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Sample records for psychodynamic therapy pt

  1. Does Psychodynamic Environmental Therapy Work?

    DEFF Research Database (Denmark)

    Nissen, Poul; Hansen, Kim Gabriel

    2007-01-01

    This article presents the first Danish prospective outcome study of psychodynamic environmental therapy of children in residential treatment with early, serious traumatisation and extential relational disturbances. The study delves beneath the surface and explores the extent to which the children...

  2. Teaching psychodynamic therapy to hardworking psychiatric residents.

    Science.gov (United States)

    Ingram, Douglas H

    2006-01-01

    In practice, the classroom teaching of sequentially developing elements of theory and practice in psychodynamic psychiatry to hardworking residents can founder on residents' frequent absences, on-call pages, late arrivals, and early departures. These obstacles can be partially overcome by focusing narrowly on topics that can be explored within the length of a single lecture. Introduction to dynamic psychiatry can be accomplished in this teaching milieu through application of pedagogical techniques of humor, sharply delineated case material, surprise, group participation, demonstrated immediacy of application, theater, and an avoidance of arcane terminology or nuanced theoretical differences.

  3. Early Intervention for Borderline Personality Disorder: Psychodynamic Therapy in Adolescents.

    Science.gov (United States)

    Salzer, Simone; Cropp, Carola; Streeck-Fischer, Annette

    2014-01-01

    Borderline personality disorder (BPD) should be understood as a disorder of development (Streeck-Fischer 2008, 2013) that has its first manifestation in late childhood and adolescence. There are only few treatment studies of adolescents meeting the diagnostic criteria of borderline personality disorder, although early interventions for these patients are urgently needed (see Chanen & McCutcheon 2013). We examined the effectiveness of an inpatient psychodynamic therapy (PDT). Twenty-eight adolescents fulfilling the DSM-IV diagnostic criteria of borderline personality disorder were treated with psychodynamic therapy. The mean duration of treatment was 29.87 weeks (SD = 15.88). Outcomes were remission rates, GAF, GSI, SDQ, IIP and BPI scores. Assessments were made at admission and after treatment. Pre-post comparisons and comparisons with normative data were conducted. At the end of treatment 39.29% of the patients were remitted. We found significant improvements for the GAF, GSI, SDQ, IIP (all p0.001) and the BPI (p = 0.006). These clinically relevant improvements demonstrate the effectiveness of psychodynamic therapy in adolescents with borderline personality disorder and stress the usefulness of an early intervention for these patients.

  4. Therapist-rated outcomes in a randomized clinical trial comparing cognitive behavioral therapy and psychodynamic therapy for major depression

    NARCIS (Netherlands)

    Driessen, E.; Van, H.L.; Peen, J.; Don, F.J.; Kool, S.; Westra, D.; Hendriksen, M.; Cuijpers, P.; Twisk, J.W.R.; Dekker, J.J.M.

    2015-01-01

    Background The efficacy of psychodynamic therapy (PDT) for depression is debated due to a paucity of high-quality studies. We compared short psychodynamic supportive psychotherapy (SPSP) to cognitive behavioral therapy (CBT) in a randomized clinical trial. We used therapist-rated outcomes to examine

  5. Predictors of non-responding in short-term psychodynamic group therapy

    DEFF Research Database (Denmark)

    Jensen, Hans Henrik; Mortensen, Erik Lykke; Lotz, Martin

    2017-01-01

    Selection for psychotherapy may be improved by identifying predictors of non-responding to treatment, but there are only few studies of non-responding in short-term psychodynamic group therapy. We analyzed potential socio-demographic and clinical predictors in a sample of 239 patients in 39...... to explore before selection of patients to short-term time-limited psychodynamic group therapy....... sessions of psychodynamic group psychotherapy, including self-reported symptoms, personality, and extra-therapeutic events. Non-responding was assessed by the Symptom Check List-90-Revised Global Severity Index (SCL-90-R GSI) according to Jacobson and Truax’s Reliable Change Index. Non...

  6. Differential efficacy of cognitive behavioral therapy and psychodynamic therapy for major depression : A study of prescriptive factors

    NARCIS (Netherlands)

    Driessen, E.; Smits, N.; Dekker, J.J.M.; Peen, J.; Don, F.J.; Kool, S.; Westra, D.; Hendriksen, M.; Cuijpers, P.; Van, H.L.

    2016-01-01

    Minimal efficacy differences have been found between cognitive behavioral therapy (CBT) and psychodynamic therapies for depression, but little is known about patient characteristics that might moderate differential treatment effects. We aimed to generate hypotheses regarding such potential

  7. SCL-90-R Symptom Profiles and Outcome of Short-Term Psychodynamic Group Therapy

    OpenAIRE

    Jensen, Hans Henrik; Mortensen, Erik L.; Lotz, Martin

    2013-01-01

    Background. Psychodynamic group psychotherapy may not be an optimal treatment for anxiety and agoraphobic symptoms. We explore remission of SCL-90-R Global Severity Index (GSI) and target symptoms in 39 sessions of psychodynamic group therapy. Methods. SCL-90-R ?target symptom? profile and GSI remission according to Danish norms were identified in 239 patients and evaluated according to reliable and clinical significant change. Results. Four major groups of target symptom cases (depression, i...

  8. Psychodynamic psychotherapy versus cognitive behavior therapy for social anxiety disorder: An efficacy and partial effectiveness trial

    NARCIS (Netherlands)

    Bögels, S.M.; Wijts, P.; Oort, F.J.; Sallaerts, S.J.M.

    2014-01-01

    Objectives: Comparing the overall and differential effects of psychodynamic psychotherapy (PDT) versus cognitive behavior therapy (CBT) for social anxiety disorder (SAD). Design: Patients with a primary SAD (N = 47) were randomly assigned to PDT (N = 22) or CBT (N = 27). Both PDT and CBT consisted

  9. Patterns of Client Emotion in Helpful Sessions of Cognitive-Behavioral and Psychodynamic-Interpersonal Therapy

    Science.gov (United States)

    Mackay, Hannah C.; Barkham, Michael; Stiles, William B.; Goldfried, Marvin R.

    2002-01-01

    Whereas cognitive-behavioral (CB) therapy sessions aim to be instructive and encouraging, psychodynamic-interpersonal (PI) sessions aim to be exploratory and may be emotionally painful. Raters rated degree of pleasure and arousal in each sentence of client speech in CB and PI sessions (N=18) that therapists had identified as particularly helpful.…

  10. The Efficacy of Cognitive-Behavioral Therapy and Psychodynamic Therapy in the Outpatient Treatment of Major Depression : A Randomized Clinical Trial

    NARCIS (Netherlands)

    Driessen, Ellen; Van, Henricus L.; Don, Frank J.; Peen, Jaap; Kool, Simone; Westra, Dieuwertje; Hendriksen, Marielle; Schoevers, Robert A.; Cuijpers, Pim; Twisk, Jos W. R.; Dekker, Jack J. M.

    Objective: The efficacy of psychodynamic therapies for depression remains open to debate because of a paucity of high-quality studies. The authors compared the efficacy of psychodynamic therapy with that of cognitive-behavioral therapy (CBT), hypothesizing nonsignificant differences and the

  11. The efficacy of cognitive-behavioral therapy and psychodynamic therapy in the outpatient treatment of major depression: a randomized clinical trial

    NARCIS (Netherlands)

    Driessen, E.; Van Henricus, L.; Don, F.J.; Peen, J.; Kool, S.; Westra, D.; Hendriksen, M.; Schoevers, R.; Cuijpers, P.; Twisk, J.W.R.; Dekker, J.J.M.

    2013-01-01

    Objective: The efficacy of psychodynamic therapies for depression remains open to debate because of a paucity of high-quality studies. The authors compared the efficacy of psychodynamic therapy with that of cognitive-behavioral therapy (CBT), hypothesizing nonsignificant differences and the

  12. The efficacy of cognitive-behavioral therapy and psychodynamic therapy in the outpatient treatment of major depression: a randomized clinical trial.

    NARCIS (Netherlands)

    Driessen, E.; Van, H.L.; Don, F.J.; Peen, J.; Kool, S.; Westra, D.; Hendriksen, M.; Schoevers, R.A.; Cuijpers, P.; Twisk, J.W.R.; Dekker, J.J.H.

    2013-01-01

    OBJECTIVE The efficacy of psychodynamic therapies for depression remains open to debate because of a paucity of high-quality studies. The authors compared the efficacy of psychodynamic therapy with that of cognitive-behavioral therapy (CBT), hypothesizing nonsignificant differences and the

  13. Psychodynamic therapy for depression in women with infants and young children.

    Science.gov (United States)

    Kurzweil, Sonya

    2012-01-01

    It has long been known that the rate of depression is high among women with infants and young children. In recent research a psychodynamic therapy group was found to be beneficial for a self-selected, postnatal subgroup of women who were of middle socio-economic status (SES), educated and who met DSM-IV criteria for clinical or subclinical depression. The current study sought to replicate these findings with individual psychodynamic therapy and to compare outcomes for three psychodynamic treatment conditions: individual, group, and combined individual and group. Patients began and left treatment from each of the three psychodynamic therapy conditions on a self-determined basis. Pre- and postintervention DSM-IV Global Assessment of Functioning (GAF) were obtained by reliable blind raters. A ten-variable, self-administered postintervention outcome questionnaire provided further data. Women (n = 58) in all three therapeutic conditions showed statistically significant improvement in their pre-to-post GAF and large treatment effects. On the questionnaire, they indicated that they were affected positively by all three conditions. Statistically significant differences among treatment conditions favored the individual treatment. Psychodynamic therapy appears well suited for the population of women in this study, especially when administered on an individual basis. The model employed here emphasized receiving and developing empathic emotional attunement, insight into one's relationships and early experiences, and a process for expressing feelings and resolving problems. Compared to group and combination therapies, the individual treatment may afford the greatest opportunity for receiving and developing these features and, thus, the best outcomes.

  14. Psychodynamic Movement

    DEFF Research Database (Denmark)

    Pedersen, Inge Nygaard

    2002-01-01

    This chapter/article describes the historical development of the disciplin Psychodynamic Movement. The importance of this disciplin for self-experience and for training in developing a therapist identy for the music therapy students are emphasized. Prototypeexercises developed and simplified...

  15. The therapeutic alliance in psychodynamic-interpersonal and cognitive-behavioral therapy.

    Science.gov (United States)

    Raue, P J; Goldfried, M R; Barkham, M

    1997-08-01

    The quality of the therapeutic alliance was compared in sessions of psychodynamic-interpersonal and cognitive-behavioral therapy, and the alliance's relationship to various session impacts was investigated. As part of the Sheffield Psychotherapy Project 2 (D. A. Shapiro, M. Barkham, A. Rees, G. E. Hardy, S. Reynolds, & M. Startup, 1994), 57 clients diagnosed with major depression received 16 sessions of either psychodynamic-interpersonal or cognitive-behavioral therapy. Coders used the Working Alliance Inventory to rate 1 high-impact and 1 low-impact session from each client. Results indicated significantly greater alliance scores for cognitive-behavioral therapy sessions on the whole. Also, for the samples as a whole, high-impact sessions were characterized by higher alliance scores than those for low-impact sessions, and alliance was positively related to therapists' ratings of session depth and smoothness and to clients' ratings of mood.

  16. The effect of interpersonal psychotherapy and other psychodynamic therapies versus 'treatment as usual' in patients with major depressive disorder

    DEFF Research Database (Denmark)

    Jakobsen, Janus Christian; Hansen, Jane Lindschou; Simonsen, Erik

    2011-01-01

    Major depressive disorder afflicts an estimated 17% of individuals during their lifetimes at tremendous suffering and costs. Interpersonal psychotherapy and other psychodynamic therapies may be effective interventions for major depressive disorder, but the effects have only had limited assessment...

  17. Comparison of Cognitive-Behavioural Therapy and Psychodynamic Therapy in the Treatment of Anxiety among University Students: An Effectiveness Study

    Science.gov (United States)

    Monti, Fiorella; Tonetti, Lorenzo; Ricci Bitti, Pio Enrico

    2014-01-01

    The aim of the present study was to compare the effectiveness of cognitive-behavioural (CBT) and psychodynamic (PDT) therapies in the treatment of anxiety among university students. To this aim, the Symptom Questionnaire (SQ) was completed by 30 students assigned to CBT and by 24 students assigned to PDT, both at the beginning and at the end of…

  18. Psychodynamic psychotherapy for social phobia: a treatment manual based on supportive-expressive therapy.

    Science.gov (United States)

    Leichsenring, Falk; Beutel, Manfred; Leibing, Eric

    2007-01-01

    Social phobia is a very frequent mental disorder characterized by an early onset, a chronic unremitting course, severe psychosocial impairments and high socioeconomic costs. To date, no manual for the psychodynamic treatment of social phobia exists. After a brief description of the disorder, a manual for a short-term psychodynamic treatment of social phobia is presented. The treatment is based on Luborsky s supportive-expressive (SE) therapy, which is complemented by treatment elements specific to social phobia. The treatment includes the characteristic elements of SE therapy, that is, setting goals, focus on the Core Conflictual Relationship Theme (CCRT) associated with the patient s symptoms, interpretive interventions to enhance insight into the CCRT, and supportive interventions, in particular fostering a helping alliance. In order to tailor the treatment more specifically to social phobia, treatment elements have been added, for example informing the patient about the disorder and the treatment, a specific focus on shame and on unrealistic demands, and encouraging the patient to confront anxiety-producing situations. More directive interventions are included as well, such as specific prescriptions to stop persisting self-devaluations. The treatment manual is presently being used in a large-scale randomized controlled multicenter study comparing short-term psychodynamic psychotherapy and cognitive-behavioral therapy in the treatment of social phobia.

  19. Comparing Treatment Outcome of Guided Imagery and Music and Psychodynamic Imaginative Trauma Therapy for Women with Complex PTSD

    DEFF Research Database (Denmark)

    Maack, Carola

    2013-01-01

    To investigate whether the use of recorded music enhances therapy outcome in psychodynamic trauma therapy for women with Complex PTSD, outcome measures of three groups of patients were compared. One group received 50 hours of outpatient trauma therapy with the Bonny Method of Guided Imagery...... and Music (GIM), another group received 50 hours of outpatient trauma therapy with Psychodynamic Imaginative Trauma Therapy (PITT). The third group was a waiting-list control group of women who had to wait at least nine months for therapy. The participants filled out questionnaires measuring symptoms....... Participants treated with GIM showed significantly better outcome in all measurements than participants treated with PITT. This indicates that the use of music is beneficial for women with Complex PTSD treated with psychodynamic trauma therapy....

  20. Therapist interventions using the Psychodynamic Interventions Rating Scale (PIRS) in dynamic therapy, psychoanalysis and CBT.

    Science.gov (United States)

    Banon, Elisabeth; Perry, John Christopher; Semeniuk, Trent; Bond, Michael; de Roten, Yves; Hersoug, Anne Grete; Despland, Jean-Nicolas

    2013-01-01

    One requirement for psychotherapy research is an accurate assessment of therapeutic interventions across studies. This study compared frequency and depth of therapist interventions from a dynamic perspective across four studies, conducted in four countries, including three treatment arms of psychodynamic psychotherapy, and one each of psychoanalysis and CBT. All studies used the Psychodynamic Intervention Rating Scales (PIRS) to identify 10 interventions from transcribed whole sessions early and later in treatment. The PIRS adequately categorized all interventions, except in CBT (only 91-93% categorized). As hypothesized, interpretations were present in all dynamic therapies and relatively absent in CBT. Proportions of interpretations increased over time. Defense interpretations were more common than transference interpretations, which were most prevalent in psychoanalysis. Depth of interpretations also increased over time. These data can serve as norms for measuring where on the supportive-interpretive continuum a dynamic treatment lies, as well as identify potentially mutative interventions for further process and outcome study.

  1. SCL-90-R Symptom Profiles and Outcome of Short-Term Psychodynamic Group Therapy

    DEFF Research Database (Denmark)

    Jensen, Hans Henrik; Mortensen, Erik Lykke; Lotz, Martin

    2013-01-01

    Abstract Background. Psychodynamic group psychotherapy may not be an optimal treatment for anxiety and agoraphobic symptoms. We explore remission of SCL-90-R Global Severity Index (GSI) and target symptoms in 39 sessions of psychodynamic group therapy. Methods. SCL-90-R “target symptom” profile...... to phobic anxiety and anxiety patients, patients with interpersonal sensitivity obtained overall the most optimal outcome. The phobic anxiety scale, social network support, and years of school education were independent predictors of GSI remission, and a low anxiety score and absence of phobic anxiety...... and GSI remission according to Danish norms were identified in 239 patients and evaluated according to reliable and clinical significant change. Results. Four major groups of target symptom cases (depression, interpersonal sensitivity, anxiety, and phobic anxiety) covered 95.7% of the sample. As opposite...

  2. [Short-Term Psychodynamic Therapy in Depression - An Evidence-Based Unified Protocol].

    Science.gov (United States)

    Steinert, Christiane; Schauenburg, Henning; Dinger, Ulrike; Leichsenring, Falk

    2016-01-01

    With a lifetime prevalence of about 17% depression is the most common mental disorder. Psychotherapy is efficacious in the treatment of depression, with no significant differences between different forms of psychotherapies. For psychodynamic therapy (PDT) various models proved to be efficacious in randomized controlled trials (RCTs). As a consequence the evidence for PDT is scattered between different forms or orientations of PDT entailing problems regarding psychotherapy training and the transfer of research into clinical practice. Thus, our aim was to develop a unified protocol for the dynamic treatment of depression that is based on those models of PDT that proved efficacious in randomized controlled trials (RCTs). As a first step we conducted a systematic search of RCTs investigating manualized or manual-based individual psychodynamic therapy for depressive disorders in adults that proved to be efficacious compared to comparison conditions. 11 studies fulfilled our inclusion criteria. In a second step we systematically reviewed the studies with regard to the treatment concepts they had applied. 7 highly consistent treatment components could be identified. We conceptualized them in the form of 7 interrelated treatment modules which constitute the unified psychodynamic protocol for depression. The protocol may enhance the empirical status of PDT and facilitate both psychotherapy training as well as the transfer of research to clinical practice. Through the focused use of techniques that proofed efficacious it is expected to bring more benefit to depressed patients and therefore also have a positive impact on the health care system. © Georg Thieme Verlag KG Stuttgart · New York.

  3. Group Milieu in systemic and psychodynamic group therapy

    DEFF Research Database (Denmark)

    Lau, Marianne Engelbrecht; Kristensen, Ellids

    Objectives: A recent meta-analysis also concluded that psychotherapeutic approaches are beneficial for adult with a history of CSA and maintained for at least six months follow-up. The results suggest that different characteristics of therapy moderate the therapeutic outcome. We found in a random...

  4. Group Milieu in systemic and psychodynamic group therapy

    DEFF Research Database (Denmark)

    Lau, Marianne Engelbrecht

    2012-01-01

    Objectives: A recent meta-analysis also concluded that psychotherapeutic approaches are beneficial for adult with a history of CSA and maintained for at least six months follow-up. The results suggest that different characteristics of therapy moderate the therapeutic outcome. We found in a random...

  5. Emotional experience and alliance contribute to therapeutic change in psychodynamic therapy.

    Science.gov (United States)

    Fisher, Hadar; Atzil-Slonim, Dana; Bar-Kalifa, Eran; Rafaeli, Eshkol; Peri, Tuvia

    2016-03-01

    Accumulating evidence suggests that the therapeutic alliance and clients' contact with emotions during therapy sessions can be effective in reducing their suffering outside of sessions. However, the complex associations among these determinants are not yet clear. Using data collected in therapy on a session-by-session basis, this study explored (a) the temporal associations between emotional experience and the therapeutic alliance; (b) the temporal associations between emotional experience and clients' level of functioning; and (c) the direct and indirect associations among emotional experience, the therapeutic alliance, and functioning. Clients (N = 101) undergoing psychodynamic therapy completed a functioning and distress measure prior to each session, and reported on their emotional experience and perceived alliance strength following each session. Longitudinal multilevel models indicated that higher therapeutic alliance scores at the end of 1 session predicted a greater emotional experience in the next session but that emotional experience did not predict subsequent levels of alliance. The results provided evidence of reciprocal prediction in which a previous emotional experience predicted a subsequent change in functioning and vice versa. Finally, the alliance predicted emotional experience, which, in turn, predicted functioning; hence, alliance strength indirectly predicted clients' level of functioning. Findings indicate that emotional experience and the therapeutic alliance are important determinants of the therapeutic process, which contribute to predict clients' improvement in functioning within psychodynamic treatment. (c) 2016 APA, all rights reserved).

  6. THE NONLINEAR TRAJECTORY OF CHANGE IN PLAY PROFILES OF THREE CHILDREN IN PSYCHODYNAMIC PLAY THERAPY

    Directory of Open Access Journals (Sweden)

    Sibel Halfon

    2016-10-01

    Full Text Available Aim: Even though there is substantial evidence that play based therapies produce significant change, the specific play processes in treatment remain unexamined. For that purpose, processes of change in long-term psychodynamic play therapy are assessed through a repeated systematic assessment of three children’s Play Profiles, which reflect patterns of organization among play variables that contribute to play activity in therapy, indicative of the children’s coping strategies, and an expression of their internal world. The main aims of the study are to investigate the kinds of Play Profiles expressed in treatment, and to test whether there is emergence of new and more adaptive Play Profiles using dynamic systems theory as a methodological framework.Methods and Procedures: Each session from the long-term psychodynamic treatment (mean number of sessions = 55 of three 6 year old good outcome cases presenting with Separation Anxiety were recorded, transcribed and coded using items from the Children's Play Therapy Instrument, created to assess the play activity of children in psychotherapy, generating discrete and measurable units of play activity arranged along a continuum of four play profiles: Adaptive, Inhibited, Impulsive, and Disorganized. The play profiles were clustered through K-means Algorithm, generating 7 discrete states characterizing the course of treatment and the transitions between these states were analyzed by Markov Transition Matrix, Recurrence Quantification Analysis (RQA and odds ratios comparing the first and second halves of psychotherapy.Results: The Markov Transitions between the states scaled almost perfectly and also showed the ergodicity of the system meaning that the child can reach any state or shift to another one in play. The RQA and odds ratios showed two trends of change, first concerning the decrease in the use of less adaptive strategies, second regarding the reduction of play interruptions.Conclusions: The

  7. The Non-linear Trajectory of Change in Play Profiles of Three Children in Psychodynamic Play Therapy

    OpenAIRE

    Sibel Halfon; Alev Cavdar; Franco Orsucci; Guenter Karl Schiepek; Silvia Andreassi; Alessandro Giuliani; Giulio de Felice

    2016-01-01

    Aim: Even though there is substantial evidence that play based therapies produce significant change, the specific play processes in treatment remain unexamined. For that purpose, processes of change in long-term psychodynamic play therapy are assessed through a repeated systematic assessment of three children’s “play profiles,” which reflect patterns of organization among play variables that contribute to play activity in therapy, indicative of the children’s coping strategies, and an express...

  8. Therapist interventions and client emotional experiencing in expert psychodynamic-interpersonal and cognitive-behavioral therapies.

    Science.gov (United States)

    Wiser, S; Goldfried, M R

    1998-08-01

    Eighteen sessions of cognitive-behavioral (CB) and 13 sessions of psychodynamic-interpersonal therapy obtained from experienced clinicians in a naturalistic setting were investigated to determine the various therapeutic interventions associated with high and low emotional experiencing (EXP). Clients receiving reflections and acknowledgments, affiliative and noncontrolling interventions, or interventions highlighting nonspecific client content were associated with maintained high EXP. Lengthier interventions and interventions rated as affiliative but moderately controlling were associated with shifts to low EXP. For clients of CB therapists, questions, interventions rated affiliative but controlling, and highlighting minimal emotional content were also associated with shifts to low EXP. Male therapists were associated with clients who maintained high EXP and female therapists were associated with clients who shifted to low EXP.

  9. Therapists' thoughts on therapy: clinicians' perceptions of the therapy processes that distinguish schema, cognitive behavioural and psychodynamic approaches.

    Science.gov (United States)

    Boterhoven De Haan, Katrina L; Lee, Christopher W

    2014-01-01

    Debates continue over shared factors in therapy processes between different theoretical orientations. By seeking the opinions of practicing clinicians, this study aimed to elucidate the similarities and differences between cognitive-behavioural (CBT), psychodynamic (PDT), and schema therapy (ST) approaches. Forty-eight practitioners aligning with one of the three approaches were asked to identify crucial processes in their therapy using a modified online version of the Psychotherapy Process Q-set. Distinct differences between each theoretical orientation with few shared common factors were found. A comparison with ratings from previous studies indicated that CBT therapists have not changed over the last 20 years, whereas PDT therapists have changed and the differences appeared consistent with modern PDT theory. The differences between the therapy approaches were consistent with theories underlying each model. PDT therapists valued a neutral relationship, CBT therapists emphasized a didactic interaction, and therapists form a ST orientation placed a greater emphasis on emotional involvement.

  10. Clinical holistic medicine: avoiding the Freudian trap of sexual transference and countertransference in psychodynamic therapy.

    Science.gov (United States)

    Ventegodt, Søren; Kandel, Isack; Merrick, Joav

    2008-04-14

    Sexual transference and countertransference can make therapy slow and inefficient when libidinous gratification becomes more important for both the patient and the therapist than real therapeutic progress. Sexual transference is normal when working with a patient's repressed sexuality, but the therapeutic rule of not touching often hinders the integration of sexual traumas, as this needs physical holding. So the patient is often left with sexual, Oedipal energies projected onto the therapist as an "idealized father" figure. The strong and lasting sexual desire for the therapist without any healing taking place can prolong therapy for many years, as it often does in psychodynamic psychotherapy and psychoanalysis. We call this problem "Freud's Trap". Freud used intimate bodywork, such as massage, in the beginning of his career, but stopped, presumably for moral and political reasons. In the tradition of psychoanalysis, touch is therefore not allowed. Recent research in clinical holistic medicine (CHM), salutogenesis, and sexual healing has shown that touch and bodywork (an integral part of medicine since Hippocrates) are as important for healing as conversational therapy. CHM allows the patient to regress spontaneously to early sexual and emotional traumas, and to heal the deep wounds on body, soul, and sexual character from arrested psychosexual development. CHM treats sexuality in therapy more as the patient's internal affair (i.e., energy work) and less as a thing going on between the patient and the therapist (i.e., transference). This accelerates healing, and reduces sexual transference and the need for mourning at the end of therapy.

  11. Cognitive-Behavioral and Psychodynamic Therapy in Female Adolescents With Bulimia Nervosa: A Randomized Controlled Trial.

    Science.gov (United States)

    Stefini, Annette; Salzer, Simone; Reich, Günter; Horn, Hildegard; Winkelmann, Klaus; Bents, Hinrich; Rutz, Ursula; Frost, Ulrike; von Boetticher, Antje; Ruhl, Uwe; Specht, Nicole; Kronmüller, Klaus-Thomas

    2017-04-01

    The authors compared cognitive-behavioral therapy (CBT) and psychodynamic therapy (PDT) for the treatment of bulimia nervosa (BN) in female adolescents. In this randomized controlled trial, 81 female adolescents with BN or partial BN according to the DSM-IV received a mean of 36.6 sessions of manualized disorder-oriented PDT or CBT. Trained psychologists blinded to treatment condition administered the outcome measures at baseline, during treatment, at the end of treatment, and 12 months after treatment. The primary outcome was the rate of remission, defined as a lack of DSM-IV diagnosis for BN or partial BN at the end of therapy. Several secondary outcome measures were evaluated. The remission rates for CBT and PDT were 33.3% and 31.0%, respectively, with no significant differences between them (odds ratio [OR] = 0.90, 95% CI = 0.35-2.28, p = .82). The within-group effect sizes were h = 1.22 for CBT and h = 1.18 for PDT. Significant improvements in all secondary outcome measures were found for both CBT (d = 0.51-0.82) and PDT (d = 0.24-1.10). The improvements remained stable at the 12-month follow-up in both groups. There were small between-group effect sizes for binge eating (d = 0.23) and purging (d = 0.26) in favor of CBT and for eating concern (d = -0.35) in favor of PDT. CBT and PDT were effective in promoting recovery from BN in female adolescents. The rates of remission for both therapies were similar to those in other studies evaluating CBT. This trial identified differences with small effects in binge eating, purging, and eating concern. Clinical trial registration information-Treating Bulimia Nervosa in Female Adolescents With Either Cognitive-Behavioral Therapy (CBT) or Psychodynamic Therapy (PDT). http://isrctn.com/; ISRCTN14806095. Copyright © 2017 American Academy of Child and Adolescent Psychiatry. Published by Elsevier Inc. All rights reserved.

  12. A systematic review and meta-analysis of cognitive behavioral and psychodynamic therapy for depression in Parkinson's disease patients.

    Science.gov (United States)

    Xie, Cheng-Long; Wang, Xiao-Dan; Chen, Jie; Lin, Hua-Zhen; Chen, Yi-He; Pan, Jia-Lin; Wang, Wen-Wen

    2015-06-01

    Numerous practice guidelines have recommended cognitive behavioral therapy (CBT) and psychodynamic therapy as a treatment of choice for depression in Parkinson's disease (PD). However, no recent meta-analysis has examined the effects of brief psychotherapy (which includes both CBT and psychodynamic therapy) for adult depression in PD. We decided to conduct such a systematic review and meta-analysis. We included randomized controlled trials (RCTs) examining the effects of brief psychotherapy compared with control groups, other support nursing, or pharmacotherapy. The quality of included studies was strictly evaluated. Twelve studies including 766 patients met all inclusion criteria. The result showed that brief psychotherapy could evidently improve the HAMD (p depression in PD patients. But one reason to undermine the validity of findings is high clinical heterogeneity and low methodological quality of the included trials.

  13. Clinical Holistic Medicine: Avoiding the Freudian Trap of Sexual Transference and Countertransference in Psychodynamic Therapy

    Directory of Open Access Journals (Sweden)

    Søren Ventegodt

    2008-01-01

    Full Text Available Sexual transference and countertransference can make therapy slow and inefficient when libidinous gratification becomes more important for both the patient and the therapist than real therapeutic progress. Sexual transference is normal when working with a patient's repressed sexuality, but the therapeutic rule of not touching often hinders the integration of sexual traumas, as this needs physical holding. So the patient is often left with sexual, Oedipal energies projected onto the therapist as an “idealized father” figure. The strong and lasting sexual desire for the therapist without any healing taking place can prolong therapy for many years, as it often does in psychodynamic psychotherapy and psychoanalysis. We call this problem “Freud's Trap”. Freud used intimate bodywork, such as massage, in the beginning of his career, but stopped, presumably for moral and political reasons. In the tradition of psychoanalysis, touch is therefore not allowed. Recent research in clinical holistic medicine (CHM, salutogenesis, and sexual healing has shown that touch and bodywork (an integral part of medicine since Hippocrates are as important for healing as conversational therapy. CHM allows the patient to regress spontaneously to early sexual and emotional traumas, and to heal the deep wounds on body, soul, and sexual character from arrested psychosexual development. CHM treats sexuality in therapy more as the patient’s internal affair (i.e., energy work and less as a thing going on between the patient and the therapist (i.e., transference. This accelerates healing, and reduces sexual transference and the need for mourning at the end of therapy.

  14. Empirically supported methods of short-term psychodynamic therapy in depression - towards an evidence-based unified protocol.

    Science.gov (United States)

    Leichsenring, Falk; Schauenburg, Henning

    2014-12-01

    There is evidence that psychotherapy is helpful in depressive disorders, with no significant differences between psychotherapies. For psychodynamic therapy (PDT) various models prove to be efficacious. Thus, the evidence for PDT is "scattered" between different forms of PDT, also implying problems in training of psychotherapy and in transferring research to clinical practice. A unified protocol based on empirically-supported methods of PDT in depression may contribute to solve these problems Systematic search for randomized controlled trials fulfilling the following criteria: (a) individual psychodynamic therapy (PDT) of depressive disorders, (b) treatment manuals or manual-like guidelines, (c) PDT proved to be efficacious compared to control conditions, (d) reliable measures for diagnosis and outcome, and (f) adult patients. Fourteen RCTs fulfilled the inclusion criteria. By a systematic review of the applied methods of PDT seven treatment components were identified. A high consistency between components was found. The components were conceptualized in the form of seven interrelated treatment modules. A unified psychodynamic protocol for depression may enhance the empirical status of PDT, facilitate both the training in psychotherapy and the transfer of research to clinical practice and may have an impact on the health care system. Copyright © 2014 Elsevier B.V. All rights reserved.

  15. Interactions between Obsessional Symptoms and Interpersonal Ambivalences in Psychodynamic Therapy: An Empirical Case Study

    Science.gov (United States)

    Cornelis, Shana; Desmet, Mattias; Van Nieuwenhove, Kimberly L. H. D.; Meganck, Reitske; Willemsen, Jochem; Inslegers, Ruth; Feyaerts, Jasper

    2017-01-01

    The classical symptom specificity hypothesis (Blatt, 1974) particularly associates obsessional symptoms to interpersonal behavior directed at autonomy and separation from others. Cross-sectional group research, however, has yielded inconsistent findings on this predicted association, and a previous empirical case study (Cornelis et al., in press; see Chapter 2) documented obsessional pathology to be rooted in profound ambivalences between autonomous and dependent interpersonal dynamics. Therefore, in the present empirical case study, concrete operationalizations of the classical symptom specificity hypothesis are contrasted to alternative hypotheses based on the observed complexities in Chapter 2. Dynamic associations between obsessional symptoms and interpersonal functioning is further explored, aiming at further contribution to theory building (i.e., through suggestions for potential hypothesis-refinement; Stiles, 2009). Similar to the first empirical case study (Chapter 1), Consensual Qualitative Research for Case studies is used to quantitatively and qualitatively describe the longitudinal, clinical interplay between obsessional symptoms and interpersonal dynamics throughout the process of supportive-expressive psychodynamic therapy. In line with findings from Chapter 1, findings reveal close associations between obsessions and interpersonal dynamics, and therapist interventions focusing on interpersonal conflicts are documented as related to interpersonal and symptomatic alterations. Observations predominantly accord to the ambivalence-hypothesis rather than to the classical symptom specificity hypothesis. Yet, meaningful differences are observed in concrete manifestations of interpersonal ambivalences within significant relationships. Findings are again discussed in light of conceptual and methodological considerations; and limitations and future research indications are addressed. PMID:28649214

  16. Interactions between Obsessional Symptoms and Interpersonal Ambivalences in Psychodynamic Therapy: An Empirical Case Study.

    Science.gov (United States)

    Cornelis, Shana; Desmet, Mattias; Van Nieuwenhove, Kimberly L H D; Meganck, Reitske; Willemsen, Jochem; Inslegers, Ruth; Feyaerts, Jasper

    2017-01-01

    The classical symptom specificity hypothesis (Blatt, 1974) particularly associates obsessional symptoms to interpersonal behavior directed at autonomy and separation from others. Cross-sectional group research, however, has yielded inconsistent findings on this predicted association, and a previous empirical case study (Cornelis et al., in press; see Chapter 2) documented obsessional pathology to be rooted in profound ambivalences between autonomous and dependent interpersonal dynamics. Therefore, in the present empirical case study, concrete operationalizations of the classical symptom specificity hypothesis are contrasted to alternative hypotheses based on the observed complexities in Chapter 2. Dynamic associations between obsessional symptoms and interpersonal functioning is further explored, aiming at further contribution to theory building (i.e., through suggestions for potential hypothesis-refinement; Stiles, 2009). Similar to the first empirical case study (Chapter 1), Consensual Qualitative Research for Case studies is used to quantitatively and qualitatively describe the longitudinal, clinical interplay between obsessional symptoms and interpersonal dynamics throughout the process of supportive-expressive psychodynamic therapy. In line with findings from Chapter 1, findings reveal close associations between obsessions and interpersonal dynamics, and therapist interventions focusing on interpersonal conflicts are documented as related to interpersonal and symptomatic alterations. Observations predominantly accord to the ambivalence-hypothesis rather than to the classical symptom specificity hypothesis. Yet, meaningful differences are observed in concrete manifestations of interpersonal ambivalences within significant relationships. Findings are again discussed in light of conceptual and methodological considerations; and limitations and future research indications are addressed.

  17. Psychodynamic psychotherapy versus cognitive behavior therapy for social anxiety disorder: an efficacy and partial effectiveness trial.

    Science.gov (United States)

    Bögels, Susan M; Wijts, Paul; Oort, Frans J; Sallaerts, Steph J M

    2014-05-01

    Comparing the overall and differential effects of psychodynamic psychotherapy (PDT) versus cognitive behavior therapy (CBT) for social anxiety disorder (SAD). Patients with a primary SAD (N = 47) were randomly assigned to PDT (N = 22) or CBT (N = 27). Both PDT and CBT consisted of up to 36 sessions (average PDT 31.4 and CBT 19.8 sessions). Assessments took place at waitlist: pretest, after 12 and 24 weeks for those who received longer treatment: posttest, 3-month and 1-year follow-up. Changes in the main outcome measure self-reported social anxiety composite, as well as in other psychopathology, social skills, negative social beliefs, public self-consciousness, defense mechanisms, personal goals, independent rater's judgments of SAD and general improvement, and approach behavior during an objective test, were analyzed using multilevel analysis. No improvement occurred during waitlist. Treatments were highly efficacious, with large within-subject effect sizes for social anxiety, but no differences between PDT and CBT on general and treatment-specific measures occurred. Remission rates were over 50% and similar for PDT and CBT. Personality disorders did not influence the effects of PDT or CBT. PDT and CBT are both effective approaches for SAD. Further research is needed on the cost-effectiveness of PDT versus CBT, on different lengths PDT, and on patient preferences and their relationship to outcome of PDT versus CBT. © 2014 Wiley Periodicals, Inc.

  18. Interactions between Obsessional Symptoms and Interpersonal Ambivalences in Psychodynamic Therapy: An Empirical Case Study

    Directory of Open Access Journals (Sweden)

    Shana Cornelis

    2017-06-01

    Full Text Available The classical symptom specificity hypothesis (Blatt, 1974 particularly associates obsessional symptoms to interpersonal behavior directed at autonomy and separation from others. Cross-sectional group research, however, has yielded inconsistent findings on this predicted association, and a previous empirical case study (Cornelis et al., in press; see Chapter 2 documented obsessional pathology to be rooted in profound ambivalences between autonomous and dependent interpersonal dynamics. Therefore, in the present empirical case study, concrete operationalizations of the classical symptom specificity hypothesis are contrasted to alternative hypotheses based on the observed complexities in Chapter 2. Dynamic associations between obsessional symptoms and interpersonal functioning is further explored, aiming at further contribution to theory building (i.e., through suggestions for potential hypothesis-refinement; Stiles, 2009. Similar to the first empirical case study (Chapter 1, Consensual Qualitative Research for Case studies is used to quantitatively and qualitatively describe the longitudinal, clinical interplay between obsessional symptoms and interpersonal dynamics throughout the process of supportive-expressive psychodynamic therapy. In line with findings from Chapter 1, findings reveal close associations between obsessions and interpersonal dynamics, and therapist interventions focusing on interpersonal conflicts are documented as related to interpersonal and symptomatic alterations. Observations predominantly accord to the ambivalence-hypothesis rather than to the classical symptom specificity hypothesis. Yet, meaningful differences are observed in concrete manifestations of interpersonal ambivalences within significant relationships. Findings are again discussed in light of conceptual and methodological considerations; and limitations and future research indications are addressed.

  19. The role of avoidant and obsessive-compulsive personality disorder traits in matching patients with major depression to cognitive behavioral and psychodynamic therapy: A replication study.

    Science.gov (United States)

    Kikkert, Martijn J; Driessen, Ellen; Peen, Jaap; Barber, Jacques P; Bockting, Claudi; Schalkwijk, Frans; Dekker, Jeff; Dekker, Jack J M

    2016-11-15

    Barber and Muenz (1996) reported that cognitive behavior therapy (CBT) was more effective than interpersonal therapy (IPT) for depressed patients with elevated levels of avoidant personality disorder, while IPT was more effective than CBT in patients with elevated levels of obsessive-compulsive personality disorder. These findings may have important clinical implications, but have not yet been replicated. We conducted a study using data from a randomized clinical trial comparing the efficacy of CBT and short-term psychodynamic supportive psychotherapy in the outpatient treatment of depression. We found no evidence indicating that avoidant patients may benefit more from CBT compared to short-term psychodynamic supportive therapy (SPSP). Our results indicate that treatment effect does not depend on the level of avoidance, or obsessive-compulsiveness personality disorders further examine the influence of personality disorders on the effectiveness of CBT or psychodynamic therapy in the treatment of depression. Copyright © 2016 Elsevier B.V. All rights reserved.

  20. Comparative study of emotional experiencing in psychodynamic-interpersonal and cognitive-behavioral therapies.

    Science.gov (United States)

    Wiser, S; Goldfried, M R

    1993-10-01

    Despite increased interest in the role of emotion in the process of psychotherapy, we currently lack a valid gauge of its importance in the change process. Significant sessions obtained from 13 experienced psychodynamic-interpersonal and 17 experienced cognitive-behavior therapists were examined to determine the extent of affective exploration and therapists' views of these client states. Results indicate that affective experiencing is present in equivalent amounts in the change sessions of these two orientations. However, therapists' clinical views were dissimilar. Psychodynamic-interpersonal therapists viewed portions containing higher affective experiencing as more critical to the change process, whereas cognitive-behavior therapists viewed lower levels of experiencing as being therapeutically more significant. These findings suggest that, with regard to emotional experiencing, psychodynamic-interpersonal therapists may share common ground with experiential therapists, whereas cognitive-behavior therapists appear to have a unique perspective.

  1. Psychodynamic therapy from the perspective of self-organization. a concept of change and a methodological approach for empirical examination.

    Science.gov (United States)

    Gumz, Antje; Geyer, Michael; Brähler, Elmar

    2014-01-01

    Observations from therapeutic practice and a series of empirical findings, for example, those on discontinuous change in psychotherapeutic processes, suggest modelling the therapeutic process as a self-organizing system with stable and critical instable phases and abrupt transitions. Here, a concept of psychotherapeutic change is presented that applies self-organization theory to psychodynamic principles. The authors explain the observations and considerations that form the basis of the concept and present some connections with existing findings and concepts. On the basis of this model, they generated two hypotheses regarding the co-occurrence of instability and discontinuous change and the degree of synchrony between the therapist and patient. A study design to test these hypotheses was developed and applied to a single case (psychodynamic therapy). After each session, patient and therapist rated their interaction. A measure of instability was calculated across the resulting time series. Sequences of destabilization were observed. On the basis of points of extreme instability, the process was divided into phases. Local instability maxima were accompanied by significant discontinuous change. Destabilization was highly synchronous in therapist and patient ratings. The authors discussed the concept and the methodological procedure. The approach enables the operationalization of crises and to empirically assess the significance of critical phases and developments within the therapeutic relationship. We present a concept of change that applies self-organization theory to psychodynamic therapy. We empirically tested the hypotheses formulated in the concept based on an extract of 125 long-term psychodynamic therapy sessions. We continuously monitored the therapeutic interaction and calculated a measure of the instability of the assessments. We identified several sequences of stable and unstable episodes. Episodes of high instability were accompanied by discontinuous

  2. A randomized clinical trial of cognitive behavioural therapy versus short-term psychodynamic psychotherapy versus no intervention for patients with hypochondriasis

    DEFF Research Database (Denmark)

    Sørensen, Per; Birket-Smith, M; Wattar, U

    2011-01-01

    Hypochondriasis is common in the clinic and in the community. Cognitive behavioural therapy (CBT) has been found to be effective in previous trials. Psychodynamic psychotherapy is a treatment routinely offered to patients with hypochondriasis in many countries, including Denmark. The aim...... of this study was to test CBT for hypochondriasis in a centre that was not involved in its development and compare both CBT and short-term psychodynamic psychotherapy (STPP) to a waiting-list control and to each other. CBT was modified by including mindfulness and group therapy sessions, reducing the therapist...

  3. Cognitive Behavioral Therapy versus Short Psychodynamic Supportive Psychotherapy in the outpatient treatment of depression: a randomized controlled trial

    NARCIS (Netherlands)

    Driesssen, E.; Van Henricus, L.; Schoevers, R.A.; Cuijpers, P.; van Aalst, G.; Don, F.J.; Hendriksen, M.; Kool, S.; Molenaar, P.J.; Peen, J.; Dekker, J.J.M.

    2007-01-01

    Background: Previous research has shown that Short Psychodynamic Supportive Psychotherapy (SPSP) is an effective alternative to pharmacotherapy and combined treatment (SPSP and pharmacotherapy) in the treatment of depressed outpatients. The question remains, however, how Short Psychodynamic

  4. Manualized supportive-expressive psychotherapy versus nonmanualized community-delivered psychodynamic therapy for patients with personality disorders: bridging efficacy and effectiveness.

    Science.gov (United States)

    Vinnars, Bo; Barber, Jacques P; Norén, Kristina; Gallop, Robert; Weinryb, Robert M

    2005-10-01

    Time-limited manualized dynamic psychotherapy was compared with community-delivered psychodynamic therapy for outpatients with personality disorders. In a stratified randomized clinical trial, 156 patients with any personality disorder diagnosis were randomly assigned either to 40 sessions of supportive-expressive psychotherapy (N=80) or to community-delivered psychodynamic therapy (N=76). Assessments were made at intake and 1 and 2 years after intake. Patients were recruited consecutively from two community mental health centers (CMHCs), assessed with the Structural Clinical Interview for DSM-IV Axis II Personality Disorders, and included if they had a diagnosis of any DSM-IV personality disorder. The outcome measures included the presence of a personality disorder diagnosis, personality disorder severity index, level of psychiatric symptoms (SCL-90), Global Assessment of Functioning Scale score, and number of therapy sessions. General mixed-model analysis of variance was used to assess group and time effects. In both treatment conditions, the global level of functioning improved while there were decreases in the prevalence of patients fulfilling criteria for a personality disorder diagnosis, personality disorder severity, and psychiatric symptoms. There was no difference in effect between treatments. During the follow-up period, patients who received supportive-expressive psychotherapy made significantly fewer visits to the CMHCs than the patients who received community-delivered psychodynamic therapy. Manualized supportive-expressive psychotherapy was as effective as nonmanualized community-delivered psychodynamic therapy conducted by experienced dynamic clinicians.

  5. The Non-linear Trajectory of Change in Play Profiles of Three Children in Psychodynamic Play Therapy

    Science.gov (United States)

    Halfon, Sibel; Çavdar, Alev; Orsucci, Franco; Schiepek, Gunter K.; Andreassi, Silvia; Giuliani, Alessandro; de Felice, Giulio

    2016-01-01

    Aim: Even though there is substantial evidence that play based therapies produce significant change, the specific play processes in treatment remain unexamined. For that purpose, processes of change in long-term psychodynamic play therapy are assessed through a repeated systematic assessment of three children’s “play profiles,” which reflect patterns of organization among play variables that contribute to play activity in therapy, indicative of the children’s coping strategies, and an expression of their internal world. The main aims of the study are to investigate the kinds of play profiles expressed in treatment, and to test whether there is emergence of new and more adaptive play profiles using dynamic systems theory as a methodological framework. Methods and Procedures: Each session from the long-term psychodynamic treatment (mean number of sessions = 55) of three 6-year-old good outcome cases presenting with Separation Anxiety were recorded, transcribed and coded using items from the Children’s Play Therapy Instrument (CPTI), created to assess the play activity of children in psychotherapy, generating discrete and measurable units of play activity arranged along a continuum of four play profiles: “Adaptive,” “Inhibited,” “Impulsive,” and “Disorganized.” The play profiles were clustered through K-means Algorithm, generating seven discrete states characterizing the course of treatment and the transitions between these states were analyzed by Markov Transition Matrix, Recurrence Quantification Analysis (RQA) and odds ratios comparing the first and second halves of psychotherapy. Results: The Markov Transitions between the states scaled almost perfectly and also showed the ergodicity of the system, meaning that the child can reach any state or shift to another one in play. The RQA and odds ratios showed two trends of change, first concerning the decrease in the use of “less adaptive” strategies, second regarding the reduction of play

  6. The efficacy of a brief supportive psychodynamic therapy in treating anxious-depressive disorder in Daily Hospital.

    Science.gov (United States)

    Brajković, Lovorka; Jevtović, Sasa; Bilić, Vedran; Bras, Marijana; Loncar, Zoran

    2009-03-01

    Study objective is to determine the efficacy of brief supportive psychodynamic therapy in treating anxious-depressive disorder in Daily hospital within the Psychological Medicine Clinic. The study comprised a total of 45 male subjects, in which an admission to the Daily Hospital was indicated. On the occasion of the hospital admission, as well as following the completion of a one month-lasting partial hospitalisation within the Daily Hospital, the subjects had undergone testing using a number of psychological instruments. There weren't established statistically significant differences in clinical presentations of the treated patients. A partial, one month-lasting hospitalisation, did not yield any changes in clinical presentation an anxious-depressive disorder. Due to the fact that this psychotherapeutic method should be applied for quite some time in order to yield results, and is not expected to be effective in a close range, a one-month lasting treatment is definitely not long enough to be effective.

  7. Heterogeneity of treatment changes after psychodynamic therapy within a one year follow-up

    DEFF Research Database (Denmark)

    Jensen, Hans Henrik; Mortensen, Erik Lykke; Lotz, Martin

    2014-01-01

    compared with the other two groups. Early improving patients were less likely to have participated in short-term groups, and only one third participated in additional treatment compared with more than 69% of the other patients. Severe and socially affected psychiatric patients, and patients with anxiety...... and socio-demographic characteristics. Late improvers, as compared with early improvers, were characterized by anxiety symptoms and lack of network support after controlling for GSI at admission. Similarly, deteriorating patients had longer duration of illness and less favourable social characteristics...... and agoraphobic symptoms may be less optimally treated in short-term time limited psychodynamic groups. There is an obvious need for diversity of treatment offers, better integration of psycho-social treatment components, and long-term open ended treatment....

  8. The Effect of Abuse History on Adolescent Patients with Feeding and Eating Disorders Treated through Psychodynamic Therapy: Comorbidities and Outcome.

    Science.gov (United States)

    Strangio, Annamaria M; Rinaldi, Lucio; Monniello, Gianluigi; Sisti, Leuconoe Grazia; de Waure, Chiara; Janiri, Luigi

    2017-01-01

    The first aim of our study was to compare the characteristics and comorbidities of patients with eating disorders between those who suffered from a childhood abuse and those who did not. Our second aim was to analyze the differences in the outcome of the psychodynamic therapy between abused and not abused patients. Twenty-six adolescent patients with eating disorders were assessed. Adolescent were evaluated by a single expert psychiatrist by checklists and questionnaires: EDI 3, SCL 90, BIS11, Dissociative Experiences Scale, Global Assessment of Functioning, SCID II, and CTQ-Self control (SF). According to the results of CTQ-SF (cut-off ≥ 8), patients were divided into two groups: those who had experienced a history of abuse and those who had not. They underwent a psychodynamic psychotherapy and were assessed again after 12 months. Eleven patients (42.3%) had a history of abuse according to CTQ score. No significant differences were found in abused and not abused patients in their demographic, clinical, and comorbid characteristics (sex, age, type of eating disorder, comorbid impulse control, personality, and addictive disorders). Abused patients showed a significantly higher score in many scale. The psychotherapeutic intervention in patients with a history of abuse resulted only in a significant decrease in symptom checklist-90 (SCL-90) psychoticism dimension (p dimensions, the SCL-90 Global Severity Index, the Eating Disorder Inventory-3 interceptive deficits, and the dissociative experience scale. Regarding the first aim of our study, we proved that history of abuse is not significantly related to patient comorbidities. Regarding our second aim, history of abuse was related to patient improvement only for psychotic symptoms; whereas patients who had not experienced an abuse improved in a variety of symptoms. Thus, abuse history can be considered as a negative prognostic factor for patients with eating disorders undergoing dynamic psychotherapy. However

  9. The effect of adding psychodynamic therapy to antidepressants in patients with major depressive disorder. A systematic review of randomized clinical trials with meta-analyses and trial sequential analyses

    DEFF Research Database (Denmark)

    Jakobsen, Janus Christian; Hansen, Jane Lindschou; Simonsen, Erik

    2012-01-01

    Major depressive disorder afflicts an estimated 17% of individuals during their lifetimes at tremendous suffering and costs. Psychodynamic therapy may be a treatment option for depression, but the effects have only been limitedly assessed in systematic reviews.......Major depressive disorder afflicts an estimated 17% of individuals during their lifetimes at tremendous suffering and costs. Psychodynamic therapy may be a treatment option for depression, but the effects have only been limitedly assessed in systematic reviews....

  10. Baseline training in cognitive and psychodynamic psychotherapy during a psychologist training program. Exploring client outcomes in therapies of one or two semesters.

    Science.gov (United States)

    Dennhag, Inga; Armelius, Bengt-Åke

    2012-01-01

    This effectiveness study explored the outcomes of 187 clients seen by 187 students undergoing baseline training in psychotherapy. Clients reduced their symptoms (SCL-90) and increased their positive self-image (SASB introject) during the therapy. Multiple regression analyses showed no differences between the cognitive and the psychodynamic training approaches and no differences between one and two semesters duration of the therapies. However, 2-3% of variance in end states was accounted for by the interaction between the variables, indicating a moderating effect of duration in the two approaches. Outcomes for clients in the cognitive training approach were significantly better with two semesters than with one semester, while there was no such difference in the psychodynamic approach. Consequences for baseline training are discussed.

  11. Changes in implicit and explicit self-esteem following cognitive and psychodynamic therapy in social anxiety disorder.

    Science.gov (United States)

    Ritter, Viktoria; Leichsenring, Falk; Strauss, Bernhard Michael; Stangier, Ulrich

    2013-01-01

    The present investigation is the first to analyse changes in implicit and explicit self-esteem following cognitive therapy (CT) and psychodynamic therapy (PDT) in social anxiety disorder (SAD). We assessed a sub-sample of patients with SAD (n=27 per treatment group, n=12 waitlist condition) in the course of a randomized controlled trial prior to and following individual treatment or wait assessment with an Implicit Association Test and the Rosenberg Self-Esteem Scale. Both CT and PDT consisted of 25 sessions. Treatments were effective in enhancing implicit and explicit self-esteem. In CT and PDT, changes in explicit self-esteem were associated with SAD symptom change. No such relationships were found in implicit self-esteem. The results seem to indicate that both CT and PDT are effective in establishing a positive implicit and explicit self-esteem in SAD. The differential relationships of changes in implicit and explicit self-esteem to treatment effects on social phobic symptoms are discussed.

  12. Interpersonal processes in psychodynamic-interpersonal and cognitive behavioral group therapy: a systematic case study of two groups.

    Science.gov (United States)

    Tasca, Giorgio A; Foot, Meredith; Leite, Catherine; Maxwell, Hilary; Balfour, Louise; Bissada, Hany

    2011-09-01

    This mixed method systematic case study applied an interpersonal stage model of the therapeutic process to examine interpersonal processes among a highly adherent Group Psychodynamic-Interpersonal Psychotherapy (GPIP) therapist and a highly adherent Group Cognitive Behavioral Therapy (GCBT) therapist and their groups of binge eating disordered (BED) patients. This is the first case study to apply the interpersonal stage model of psychotherapy to compare GCBT and GPIP methods and the first to apply the model to group therapy. Early-, middle-, and late-stage transcribed video recordings of sequential interactions among therapists and patients in each of these two time-limited group therapies were analyzed with the Structural Analysis of Social Behavior (SASB). We also provide qualitative presentations of the transcripts from each stage as context for the quantitative analyses. BED patients in both groups achieved positive outcomes for binge eating and depression. Consistent with their treatment model, the GPIP therapist was more autonomy-giving, whereas the GCBT therapist was more controlling/directive. The GPIP therapist and her group had high levels of interpersonal complementary interaction sequences in the early stage followed by lower complementarity in the middle stage. The GCBT therapist and her group showed a high-low-high pattern of complementarity across the three stage of therapy. However, overall the GPIP group had higher levels complementarity than the GCBT group. This mixed method case study of group processes based on an interpersonal stage model of psychotherapy suggested specific therapist behaviors in each modality to maximize positive therapeutic interactions at each stage of group therapy. (c) 2011 APA, all rights reserved.

  13. Change in interpersonal problems after cognitive agoraphobia and schema-focused therapy versus psychodynamic treatment as usual of inpatients with agoraphobia and Cluster C personality disorders.

    Science.gov (United States)

    Gude, Tore; Hoffart, Asle

    2008-04-01

    The aim was to study whether patients with panic disorder with agoraphobia and co-occurring Cluster C traits would respond differently regarding change in interpersonal problems as part of their personality functioning when receiving two different treatment modalities. Two cohorts of patients were followed through three months' in-patient treatment programs and assessed at follow-up one year after end of treatment. The one cohort comprised 18 patients treated with "treatment as usual" according to psychodynamic principles, the second comprised 24 patients treated in a cognitive agoraphobia and schema-focused therapy program. Patients in the cognitive condition showed greater improvement in interpersonal problems than patients in the treatment as usual condition. Although this quasi-experimental study has serious limitations, the results may indicate that agoraphobic patients with Cluster C traits should be treated in cognitive agoraphobia and schema-focused programs rather than in psychodynamic treatment as usual programs in order to reduce their level of interpersonal problems.

  14. A pilot RCT of psychodynamic group art therapy for patients in acute psychotic episodes: feasibility, impact on symptoms and mentalising capacity.

    Science.gov (United States)

    Montag, Christiane; Haase, Laura; Seidel, Dorothea; Bayerl, Martin; Gallinat, Jürgen; Herrmann, Uwe; Dannecker, Karin

    2014-01-01

    This pilot study aimed to evaluate the feasibility of an assessor-blind, randomised controlled trial of psychodynamic art therapy for the treatment of patients with schizophrenia, and to generate preliminary data on the efficacy of this intervention during acute psychotic episodes. Fifty-eight inpatients with DSM-diagnoses of schizophrenia were randomised to either 12 twice-weekly sessions of psychodynamic group art therapy plus treatment as usual or to standard treatment alone. Primary outcome criteria were positive and negative psychotic and depressive symptoms as well as global assessment of functioning. Secondary outcomes were mentalising function, estimated with the Reading the mind in the eyes test and the Levels of emotional awareness scale, self-efficacy, locus of control, quality of life and satisfaction with care. Assessments were made at baseline, at post-treatment and at 12 weeks' follow-up. At 12 weeks, 55% of patients randomised to art therapy, and 66% of patients receiving treatment as usual were examined. In the per-protocol sample, art therapy was associated with a significantly greater mean reduction of positive symptoms and improved psychosocial functioning at post-treatment and follow-up, and with a greater mean reduction of negative symptoms at follow-up compared to standard treatment. The significant reduction of positive symptoms at post-treatment was maintained in an attempted intention-to-treat analysis. There were no group differences regarding depressive symptoms. Of secondary outcome parameters, patients in the art therapy group showed a significant improvement in levels of emotional awareness, and particularly in their ability to reflect about others' emotional mental states. This is one of the first randomised controlled trials on psychodynamic group art therapy for patients with acute psychotic episodes receiving hospital treatment. Results prove the feasibility of trials on art therapy during acute psychotic episodes and justify

  15. A pilot RCT of psychodynamic group art therapy for patients in acute psychotic episodes: feasibility, impact on symptoms and mentalising capacity.

    Directory of Open Access Journals (Sweden)

    Christiane Montag

    Full Text Available This pilot study aimed to evaluate the feasibility of an assessor-blind, randomised controlled trial of psychodynamic art therapy for the treatment of patients with schizophrenia, and to generate preliminary data on the efficacy of this intervention during acute psychotic episodes. Fifty-eight inpatients with DSM-diagnoses of schizophrenia were randomised to either 12 twice-weekly sessions of psychodynamic group art therapy plus treatment as usual or to standard treatment alone. Primary outcome criteria were positive and negative psychotic and depressive symptoms as well as global assessment of functioning. Secondary outcomes were mentalising function, estimated with the Reading the mind in the eyes test and the Levels of emotional awareness scale, self-efficacy, locus of control, quality of life and satisfaction with care. Assessments were made at baseline, at post-treatment and at 12 weeks' follow-up. At 12 weeks, 55% of patients randomised to art therapy, and 66% of patients receiving treatment as usual were examined. In the per-protocol sample, art therapy was associated with a significantly greater mean reduction of positive symptoms and improved psychosocial functioning at post-treatment and follow-up, and with a greater mean reduction of negative symptoms at follow-up compared to standard treatment. The significant reduction of positive symptoms at post-treatment was maintained in an attempted intention-to-treat analysis. There were no group differences regarding depressive symptoms. Of secondary outcome parameters, patients in the art therapy group showed a significant improvement in levels of emotional awareness, and particularly in their ability to reflect about others' emotional mental states. This is one of the first randomised controlled trials on psychodynamic group art therapy for patients with acute psychotic episodes receiving hospital treatment. Results prove the feasibility of trials on art therapy during acute psychotic

  16. From Couple Therapy 1.0 to a Comprehensive Model: A Roadmap for Sequencing and Integrating Systemic, Psychodynamic, and Behavioral Approaches in Couple Therapy.

    Science.gov (United States)

    Nielsen, Arthur C

    2017-09-01

    Couple therapy is a complex undertaking that proceeds best by integrating various schools of thought. Grounded in an in-depth review of the clinical and research literature, and drawing on the author's 40-plus years of experience, this paper presents a comprehensive, flexible, and user-friendly roadmap for conducting couple therapy. It begins by describing "Couple Therapy 1.0," the basic conjoint couple therapy format in which partners talk to each other with the help of the therapist. After noting the limitations of this model, the paper introduces upgrades derived from systemic, psychodynamic, and behavioral/educational approaches, and shows how to combine and sequence them. The most important upgrade is the early focus on the couple's negative interaction cycle, which causes them pain and impedes their ability to address it. Using a clinical case example, the paper shows how all three approaches can improve couple process as a prerequisite for better problem solving. Additional modules and sequencing choice points are also discussed, including discernment counseling and encouraging positive couple experiences. © 2017 Family Process Institute.

  17. Clinical Holistic Medicine: Avoiding the Freudian Trap of Sexual Transference and Countertransference in Psychodynamic Therapy

    OpenAIRE

    Søren Ventegodt; Isack Kandel; Joav Merrick

    2008-01-01

    Sexual transference and countertransference can make therapy slow and inefficient when libidinous gratification becomes more important for both the patient and the therapist than real therapeutic progress. Sexual transference is normal when working with a patient's repressed sexuality, but the therapeutic rule of not touching often hinders the integration of sexual traumas, as this needs physical holding. So the patient is often left with sexual, Oedipal energies projected onto the therapist ...

  18. A manual-based psychodynamic therapy for treatment-resistant borderline personality disorder.

    Science.gov (United States)

    Gregory, Robert J; Remen, Anna L

    2008-03-01

    The authors introduce a manual-based treatment, labeled dynamic deconstructive psychotherapy, developed for those patients with borderline personality disorder who are most difficult to engage in therapy, such as those having co-occurring substance use disorders. This treatment model is based on the hypothesis that borderline pathology and related behaviors reflect impairment in specific neurocognitive functions, including association, attribution, and alterity that form the basis for a coherent and differentiated self. Dynamic deconstructive psychotherapy aims to activate and remediate neurocognitive self-capacities by facilitating elaboration of affect-laden interpersonal experiences and integration of attributions, as well as providing novel experiences in the patient-therapist relationship that promote self-other differentiation. Treatment involves weekly individual sessions for a predetermined period of time and follows sequential stages. (PsycINFO Database Record (c) 2010 APA, all rights reserved).

  19. Agoraphobia With and Without Panic Disorder: A 20-Year Follow-up of Integrated Exposure and Psychodynamic Therapy.

    Science.gov (United States)

    Hoffart, Asle; Hedley, Liv M; Svanøe, Karol; Langkaas, Tomas Formo; Sexton, Harold

    2016-02-01

    The aim of the current study was to compare the 20-year outcome in panic disorder with agoraphobia (PD with AG) and agoraphobia without panic disorder (AG without PD) patients after inpatient psychological treatment. Of 53 eligible patients having completed a medication-free integrated exposure and psychodynamic treatment, 38 (71.7%)-25 PD with AG and 13 AG without PD patients-attended 20-year follow-up. AG without PD patients improved less than PD with AG patients did on primary outcome measures. In the PD with AG group, there were large uncontrolled effect sizes (<-2.30). More of the AG without PD patients had avoidant personality disorder at pretreatment, but the presence of this disorder did not predict outcome. The follow-up results support that PD with AG and AG without PD are two different disorders. The results also suggest that the very long-term outcome in PD with AG patients is excellent for this integrated treatment.

  20. Short-term intensive psychodynamic group therapy versus cognitive-behavioral group therapy in day treatment of anxiety disorders and comorbid depressive or personality disorders: study protocol for a randomized controlled trial.

    Science.gov (United States)

    Suszek, Hubert; Holas, Paweł; Wyrzykowski, Tomasz; Lorentzen, Steinar; Kokoszka, Andrzej

    2015-07-29

    Psychodynamic and cognitive-behavioral group therapies are frequently applied in day hospitals for the treatment of anxiety disorders and comorbid depressive or personality disorders in Poland and other Eastern European countries. Yet there is not enough evidence as to their effectiveness in this environment; this study addresses this gap. The aim of the study is to determine the effectiveness of these two kinds of day treatment care consisting of intensive, short-term group psychodynamic and cognitive-behavioral therapy, for patients with anxiety disorders and/or comorbid depressive or personality disorders. Our objectives are to: 1) show the effectiveness of each treatment in a day-care setting relative to the wait-list control group; 2) demonstrate the relative short- and long-term effectiveness of the two active treatments; 3) carry out a preliminary examination of the predictors and moderators of treatment response; 4) carry out a preliminary examination of the mediators of therapeutic change; and 5) compare the impact of both methods of treatment on the outcome of the measures used in this study. In this randomized controlled trial, a total of 199 patients with anxiety disorders and comorbid depressive and/or personality disorders will be assigned to one of three conditions: 1) psychodynamic group therapy; 2) cognitive-behavioral group therapy; or 3) wait-list control group. The therapy will last 12 weeks. Both treatments will be manualized (the manuals will address comorbidity). Primary outcome measures will include self-reported symptoms of anxiety, observer-rated symptoms of anxiety, global improvement, and recovery rate. Secondary outcome measures will include the number of pathological personality traits, depression, self-esteem, defense mechanisms, beliefs about self and others, interpersonal problems, object relations, parental bonding, meta-cognition, and quality of life. Measures will be taken at baseline, post-treatment, and at six months following

  1. [Psychodynamic psychotherapy and the treatment of pathological gambling].

    Science.gov (United States)

    Rosenthal, Richard J

    2008-05-01

    The search for empirically based treatments for pathological gambling is in its infancy, with relatively few clinical trials and an absence of naturalistic studies. Treatment retention of gamblers has been a problem; cognitive-behavioral treatment and pharmacotherapy studies report especially high dropout rates. Psychodynamic approaches, with their emphasis on the therapeutic relationship, and the meaning of the patient's self-destructive and seemingly irrational behaviors, and on obstacles to self-forgiveness, might improve outcome. After a description of psychodynamic psychotherapy, the literature on both short-term and longer therapies is reviewed regarding their efficacy for a variety of disorders. With regard to pathological gambling, the author summarizes the early (1914-1970) psychoanalytic literature then reviews the more recent psychodynamic psychotherapy literature on pathological gambling. A review of the recent psychodynamic psychotherapy literature on pathological gambling failed to disclose a single randomized controlled study of treatment efficacy or effectiveness. However, there are eight positive outcome studies described as multi-modal eclectic; half of those seem to utilize psychodynamic approaches. Two of the more successful programs are described. A review of the outcomes literature for psychodynamic psychotherapy demonstrates efficacy for a variety of disorders sufficient to justify a clinical trial for pathological gambling. Short-term psychodynamic psychotherapy, with its focus on core issues, may be particularly applicable to the pathological gambler's need to avoid or escape intolerable affects and problems. Longer therapies may be needed to modify an avoidant coping style and defenses.

  2. Porous Pt Nanoparticles with High Near-Infrared Photothermal Conversion Efficiencies for Photothermal Therapy.

    Science.gov (United States)

    Zhu, Xiao-Ming; Wan, Hong-Ye; Jia, Henglei; Liu, Liang; Wang, Jianfang

    2016-12-01

    Plasmonic nanostructures are of potential in acting as a type of optical agents for cancer photothermal therapy. To effectively function as photothermal therapy agents, plasmonic nanostructures are strongly desired to have good biocompatibility and high photothermal conversion efficiencies. In this study, poly(diallyldimethylammonium chloride)-coated porous Pt nanoparticles are synthesized for photothermal therapy. The Pt nanoparticles possess broadband near-infrared light absorption in the range from 650 to 1200 nm, therefore allowing for selecting different laser wavelengths for photothermal therapy. The as-prepared Pt nanoparticles exhibit remarkable photothermal conversion efficiencies under 809 and 980 nm laser irradiation. In vitro studies indicate that the Pt nanoparticles display good biocompatibility and high cellular uptake efficiencies through an endocytosis pathway. Photothermal heating using 808 nm laser irradiation (>7.0 W cm-2 , 3 min) leads to notable cytotoxic effect, and more than 70% of cells are photothermally ablated after 3 min irradiation at 8.4 W cm-2 . Furthermore, simultaneous application of photothermal therapy synergistically enhances the cytotoxicity of an anti-cancer drug doxorubicin. Therefore, the porous Pt nanoparticles have great potential as an attractive photothermal agent for cancer therapy. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  3. Psychodynamic Psychotherapy for Children and Adolescents: An Old Friend Revisited

    Science.gov (United States)

    Delgado, Sergio V.

    2008-01-01

    The treatment of children and adolescents with psychotherapy is gradually losing ground to psychopharmacology. The author reviews the value the various forms of psychotherapy have in the treatment of children and the importance of having a clear curriculum for teaching this skill in residency programs. Although the importance of psychodynamic psychotherapy has a long history in the treatment of children, the reluctance some faculty have in recommending this form of therapy may be due to limited experience and limited knowledge of its benefits. The author highlights that a psychodynamic diagnostic evaluation is essential to assess a child’s suitability for psychotherapy. The characteristics of children who will benefit from psychodynamic psychotherapy, their defense mechanisms, and optimal characteristics of their parents are reviewed. The qualifications a psychiatrist needs to succeed in this endeavor are discussed. Two cases illustrate not only the importance in the suitability of the patient, but also the application of psychodynamic theory to practice. PMID:19727254

  4. Spiritually oriented psychodynamic psychotherapy.

    Science.gov (United States)

    Shafranske, Edward P

    2009-02-01

    Spiritually oriented psychodynamic psychotherapy pays particular attention to the roles that religious and spiritual beliefs, practices, and experiences play in the psychological life of the client. Contemporary psychoanalytic theorists offer multiple approaches to understand the functions of religious experience. Spirituality provides a means to address existential issues and provide a context to form personal meaning. Religious narratives present schemas of relationship and models of experiences salient to mental health, such as hope. God images or other symbolic representations of the transcendent have the power to evoke emotions, which in turn, influence motivation and behavior. While employing theories and techniques derived from psychodynamic psychotherapy, this therapeutic approach encourages the analysis of the functions religion and spirituality serve, while respecting the client's act of believing in faith. Psychotherapists address a client's spirituality by exploring the psychological meaning of such personal commitments and experiences and refrain from entering into discussion of faith claims. (c) 2009 Wiley Periodicals, Inc.

  5. The ANTOP study: focal psychodynamic psychotherapy, cognitive-behavioural therapy, and treatment-as-usual in outpatients with anorexia nervosa - a randomized controlled trial

    Directory of Open Access Journals (Sweden)

    Schauenburg Henning

    2009-04-01

    Full Text Available Abstract Background Anorexia nervosa is a serious eating disorder leading to high morbidity and mortality as a result of both malnutrition and suicide. The seriousness of the disorder requires extensive knowledge of effective treatment options. However, evidence for treatment efficacy in this area is remarkably weak. A recent Cochrane review states that there is an urgent need for large, well-designed treatment studies for patients with anorexia nervosa. The aim of this particular multi-centre study is to evaluate the efficacy of two standardized outpatient treatments for patients with anorexia nervosa: focal psychodynamic (FPT and cognitive behavioural therapy (CBT. Each therapeutic approach is compared to a "treatment-as-usual" control group. Methods/Design 237 patients meeting eligibility criteria are randomly and evenly assigned to the three groups – two intervention groups (CBT and FPT and one control group. The treatment period for each intervention group is 10 months, consisting of 40 sessions respectively. Body weight, eating disorder related symptoms, and variables of therapeutic alliance are measured during the course of treatment. Psychotherapy sessions are audiotaped for adherence monitoring. The treatment in the control group, both the dosage and type of therapy, is not regulated in the study protocol, but rather reflects the current practice of established outpatient care. The primary outcome measure is the body mass index (BMI at the end of the treatment (10 months after randomization. Discussion The study design surmounts the disadvantages of previous studies in that it provides a randomized controlled design, a large sample size, adequate inclusion criteria, an adequate treatment protocol, and a clear separation of the treatment conditions in order to avoid contamination. Nevertheless, the study has to deal with difficulties specific to the psychopathology of anorexia nervosa. The treatment protocol allows for dealing with the

  6. One-pot synthesis of FePt/CNTs nanocomposites for efficient cellular imaging and cancer therapy

    Energy Technology Data Exchange (ETDEWEB)

    Chen, Weihong; Zheng, Xiuwen, E-mail: xwzheng1976@163.com [Linyi University, School of Chemistry & Chemical Engineering, Shandong Provincial Key Laboratory of Detection Technology for Tumor Makers (China); Li, Shulian [Linyi Tumor Hospital (China); Zhang, Wei; Wen, Xin [Linyi University, School of Chemistry & Chemical Engineering, Shandong Provincial Key Laboratory of Detection Technology for Tumor Makers (China); Yue, Ludan [Shandong Normal University (China); Wang, Jinlong [Shandong University of Technology (China)

    2015-11-15

    Here, we developed a facile route to synthesize carbon nanotube-based FePt nanocomposites (FePt/CNTs) as a potential theranostic platform in the cancer treatment. FePt/CNTs were firstly synthesized via one-pot polyol route, and then functionalized with 6-arm-polyethylene glycol-amine polymer. The average size of FePt nanoparticles (NPs) is 3–4 nm, which is dispersed on the CNT surface (ca.50–150 nm). The as-prepared FePt NPs display high cytotoxicity by highly reactive oxygen species in cancer cells. Folic acid and fluorescein isothiocyanate are assembled onto the surface of FePt/CNTs for effective targeting of folate receptor-positive cancer cells and simultaneously for the visualization of cellular uptake. Therefore, the FePt/CNTs NPs capability of simultaneously performing diagnosis, therapy, and targeting is, therefore, promising for future potential widespread application in biomedicine.

  7. Studies of radioactive cisplatin ({sup 191}Pt) for tumour imaging and therapy

    Energy Technology Data Exchange (ETDEWEB)

    Areberg, J

    2000-01-01

    an in vivo model, nude mice with xenografted tumours were given physiological saline (controls), cisplatin or {sup 191}Pt-cisplatin. The growth was significantly more retarded for the tumours on the mice given {sup 191}Pt-cisplatin compared with the tumours on the other mice. No significant change in general toxic effect, manifested as weight change or mortality, could be detected between the groups of mice given cisplatin and {sup 191}Pt-cisplatin respectively. {sup 191}Pt-cisplatin was shown to be a radiopharmaceutical suitable for both tumour imaging and therapy. There is potential for an increased use of radioactive cisplatin in the future.

  8. What Works for People with Mental Retardation? Critical Commentary on Cognitive-Behavioral and Psychodynamic Psychotherapy Research.

    Science.gov (United States)

    Beail, Nigel

    2003-01-01

    This paper reviews what is known about the effectiveness of the more controversial use of psychodynamic and cognitive-behavioral psychotherapy with people who have mental retardation. It examines self-management approaches (problem solving, anger management, and cognitive therapy) and psychodynamic psychotherapy. The paper concludes that there has…

  9. Psychoanalytic-Interactional Therapy versus Psychodynamic Therapy by Experts for Personality Disorders: A Randomized Controlled Efficacy-Effectiveness Study in Cluster B Personality Disorders.

    Science.gov (United States)

    Leichsenring, Falk; Masuhr, Oliver; Jaeger, Ulrich; Rabung, Sven; Dally, Andreas; Dümpelmann, Michael; Fricke-Neef, Christian; Steinert, Christiane; Streeck, Ulrich

    2016-01-01

    With regard to cluster B personality disorders, most psychotherapeutic treatments focus on borderline personality disorder. Evidence-based treatments for patients with other cluster B personality disorders are not yet available. Psychoanalytic-interactional therapy (PIT) represents a transdiagnostic treatment for severe personality disorders. PIT has been applied in clinical practice for many years and has proven effective in open studies. In a randomized controlled trial, we compared manual-guided PIT to nonmanualized pychodynamic therapy by experts in personality disorders (E-PDT) in patients with cluster B personality disorders. In an inpatient setting, patients with cluster B personality disorders were randomly assigned to manual-guided PIT (n = 64) or nonmanualized E-PDT (n = 58). In addition, a quasi-experimental control condition was used (n = 46) including both patients receiving treatment as usual and patients waiting for treatment. Primary outcomes were level of personality organization and overall psychological distress. As secondary outcomes, depression, anxiety and interpersonal problems were examined. No significant improvements were found in the control patients. Both PIT and E-PDT achieved significant improvements in all outcome measures and were superior to the control condition. No differences were found between PIT and E-PDT in any outcome measure at the end of treatment. The type of cluster B personality disorder had no impact on the results. In an inpatient setting, both PIT and E-PDT proved to be superior to a control condition in cluster B personality disorders. In a head-to-head comparison, both treatments appeared to be equally effective. Further research on the treatment of cluster B personality disorders is required. © 2016 S. Karger AG, Basel.

  10. The contemporary psychodynamic developmental perspective.

    Science.gov (United States)

    Malberg, Norka T; Mayes, Linda C

    2013-01-01

    Authors address the transformations taking place in the last 25 years in the theory and practice of developmental psychoanalysis. They emphasize the role of attachment theory in this process and its clinical applications to the work with children and families and the social systems supporting them. The article also describes and explores a move toward an integrative and systemic developmental psychodynamic approach and its relevance to today's practitioner. Copyright © 2013 Elsevier Inc. All rights reserved.

  11. Containers, mental space and psychodynamics.

    Science.gov (United States)

    Rosenbaum, B; Garfield, D

    1996-12-01

    The concept of the container has a place within cognitive science as well as within psychodynamic theories. Cognitive semantics has shown that many metaphors giving meaning to daily life-events use the container as a basic reference point. Psychoanalytic theory, most notably, Freud's psychosexual developmental model, illustrates how the container of the body results in meaning. Object relations theory in psychoanalysis has shown how patients with borderline personality disorder behave according to the dynamics of container and containment. Both the cognitive and the psychodynamic conceptions of containers are clinically relevant. The fundamental notion of the container leads to an exploration of 'container dynamics' both in cognitive semantics and in psychodynamic work. A model of the cusp may be of help in the description of the dynamics at the border of the container. Furthermore, the descriptions of the patient's communication of emotion and thoughts may involve three interacting dimensions: an effective-perceptual dimension, a phantasy dimension and a socio-interactive dimension. The interaction between these dimensions has implications for dealing with container dynamics and the process of containment.

  12. Psychodynamic Intervention in Crisis.

    Science.gov (United States)

    Viederman, Milton

    2016-12-31

    This paper presents a framework for brief, intensive psychotherapeutic intervention for acute distress, manifested by feelings of depression, anxiety or anger, isolation and loneliness, that arise when crises provoke unconscious conflict. This therapy uses a technique to develop a "benevolent transference" for symptom relief and as a groundwork for gaining insight. Interventions to facilitate this process will be illustrated with case illustrations.

  13. The Post-Myocardial Infarction Pacing Remodeling Prevention Therapy (PRomPT) Trial

    DEFF Research Database (Denmark)

    Chung, Eugene S; Fischer, Trent M; Kueffer, Fred

    2015-01-01

    BACKGROUND: Despite considerable improvements in the medical management of patients with myocardial infarction (MI), patients with large MI still have substantial risk of developing heart failure. In the early post-MI setting, implantable cardioverter defibrillators have reduced arrhythmic deaths...... but have no impact on overall mortality. Therefore, additional interventions are required to further reduce the overall morbidity and mortality of patients with large MI. METHODS: The Pacing Remodeling Prevention Therapy (PRomPT) trial is designed to study the effects of peri-infarct pacing in preventing...... adverse post-MI remodeling. Up to 120 subjects with peak creatine phosphokinase >3,000 U/L (or troponin T >10 μg/L) at time of MI will be randomized to either dual-site or single-site biventricular pacing with the left ventricular lead implanted in a peri-infarct region or to a nonimplanted control group...

  14. The role of avoidant and obsessive-compulsive personality disorder traits in matching patients with major depression to cognitive behavioral and psychodynamic therapy : A replication study

    NARCIS (Netherlands)

    Kikkert, M. J.; Driessen, E.; Peen, J.; Barber, J. P.; Bockting, C. L. H.; Schalkwijk, F.; Dekker, J.; Dekker, J. J. M.

    2016-01-01

    BACKGROUND: Barber and Muenz (1996) reported that cognitive behavior therapy (CBT) was more effective than interpersonal therapy (IPT) for depressed patients with elevated levels of avoidant personality disorder, while IPT was more effective than CBT in patients with elevated levels of

  15. [Systemic-psychodynamic model for family evaluation].

    Science.gov (United States)

    Salinas, J L; Pérez, M P; Viniegra, L; Armando Barriguete, J; Casillas, J; Valencia, A

    1992-01-01

    In this paper a family evaluation instrument called systemic-psychodynamic family evaluation model is described. Also, the second stage of the validation study of this instrument is presented (which deals with the inter-observers variation). Twenty families were studied. They were assessed always by the same interviewers designated as experts. They are all family therapy specialists and their assessment was used as the evaluation reference standard or "gold standard". The observers were psychiatrists without previous training in family therapy. For the purpose of the interview, both experts and observers were blind to the medical diagnosis of the patients. During the first stage of the validation study the observers did not have a reference guide which resulted in a low concordance rating. For the second stage, a 177 item guide was used and a considerable increase in the concordance rating was observed. Validation studies like the one used here are of considerable value to increase the reliability and further utilisation of evaluation instruments of this type.

  16. A psychodynamic perspective on elections.

    Science.gov (United States)

    Clemens, Norman A

    2010-11-01

    In a democracy, elections are the way in which the collective thought processes of the voters arrive at a decision to direct their government. The author explores how the individual voter assesses and resolves many conflicting internal and external forces to arrive at a vote. The midterm elections of 2010 illustrate the parallel between individual resolution of conflicting forces and the process of a campaign leading to the outcome of an election. The psychodynamic concepts of conflict and compromise, affects, aggression, unconscious forces, mechanisms of defense, superego, and the ego's integrative functions are evident in both the individual voter and the collective electoral process. The author expresses concern about the historical vulnerability of democracies and the unbalancing effect of allowing limitless infusion of anonymous corporate money to pour into campaigns.

  17. The difficult patient: a psychodynamic perspective

    National Research Council Canada - National Science Library

    Woods, Craig D

    2007-01-01

    Managing the "difficult" patient is a challenge all dentists face. This paper describes a psychodynamic model that pictures the dentist-patient relationship as a two-way interaction that involves unconscious processes...

  18. Constructing a systems psychodynamic wellness model

    OpenAIRE

    Sanchen Henning; Frans Cilliers

    2012-01-01

    Orientation: The researchers constructed a Systems Psychodynamic Wellness Model (SPWM) by merging theory and concepts from systems psychodynamics and positive psychology. They then refined the model for application in organisations during a Listening Post (LP) that comprised experienced subject experts.Research purpose: The purpose of the research was to construct and refine the SPWM in order to understand psychological wellness at the individual, group and organisational levels.Motivation fo...

  19. The Dream: A Psychodynamically Informative Instrument

    OpenAIRE

    Glucksman, Myron L.

    2001-01-01

    The dream is a unique psychodynamically informative instrument for evaluating the subjective correlates of brain activity during REM sleep. These include feelings, percepts, memories, wishes, fantasies, impulses, conflicts, and defenses, as well as images of self and others. Dream analysis can be used in a variety of clinical settings to assist in diagnostic assessment, psychodynamic formulation, evaluation of clinical change, and the management of medically ill patients. Dreams may serve as ...

  20. The cost-effectiveness of short-term psychodynamic psychotherapy and solution-focused therapy in the treatment of depressive and anxiety disorders during a one-year follow-up.

    Science.gov (United States)

    Maljanen, Timo; Paltta, Paivi; Harkanen, Tommi; Virtala, Esa; Lindfors, Olavi; Laaksonen, Maarit A; Knekt, Paul

    2012-03-01

    Mood and anxiety disorders are characterized by a high and increasing prevalence, they cause a lot of costs and human suffering and there are many treatment options with differing costs. The benefits of identifying the treatments with the most favourable cost-effectiveness ratios can be substantial. However, the number of randomized trials where psychological treatments are compared with each other and where economic aspects, too, are taken into account is still relatively small. To compare the cost-effectiveness of two short-term psychotherapies in the treatment of depressive and anxiety disorders during a one-year follow-up. In the Helsinki Psychotherapy Study, 198 patients, who were 20--45 years of age and met DSM-IV criteria for anxiety or mood disorder, were randomized to short-term psychodynamic psychotherapy (SPP) or solution-focused therapy (SFT). Psychiatric symptoms were assessed at baseline and 4 times during the one-year follow-up from the start of therapy using the Beck Depression Inventory and the Symptom Check List Anxiety Scale, and 2 times using the Hamilton Depression Rating Scales and Hamilton Anxiety Rating Scales. Both direct costs (therapy sessions, outpatient visits, medication, inpatient care) and indirect costs (production losses due to work absenteeism, value of neglected household work, lost leisure time and unpaid help received) due to mental disorders were measured. Mean total costs were compared and incremental cost-effectiveness ratios analyzed. According to all 4 psychiatric outcome measures, symptoms of depression and anxiety were reduced statistically significantly in both therapy groups during the one-year follow-up. The relative changes were about the same size according to all four outcome measures. In both groups the reductions took place mainly in the first half of the follow-up. The reductions were somewhat greater with SPP, but the differences between the two groups were small and not statistically significant at any

  1. Treatment of music performance anxiety via psychological approaches: a review of selected CBT and psychodynamic literature.

    Science.gov (United States)

    Nagel, Julie J

    2010-12-01

    Performance anxiety, or stage fright, is anxiety aroused about potential mishaps in performance that expose feared inadequacies before an audience and which evoke feelings of embarrassment and humilation. For affected musicians, performance anxiety can be emotionally devastating, as their career choice in music may be terminated or severely compromised. This paper focuses on the cognitive and psychodynamic literature about music performance anxiety, with the emphasis that for treatment "one size does not fit all." It reviews the factors underlying performance anxiety and those factors which can exacerbate the condition in musicians. The two major clinical treatment modalities within contemporary psychology, cognitive behavior therapy (CBT) and psychodynamic treatments, are reviewed. While there are more empirical studies of CBT in various populations in the literature, until recently there was an indifference to empirical research by psychodynamic investigators. However, meta-analyses show strong efficacy for psychodynamic psychotherapy (in various disorders, not specifically music performance anxiety), but also that the benefits of psychodynamic psychotherapy may endure longer and increase with time.

  2. Use of the adult attachment projective picture system in psychodynamic psychotherapy with a severely traumatized patient.

    Science.gov (United States)

    George, Carol; Buchheim, Anna

    2014-01-01

    The following case study is presented to facilitate an understanding of how the attachment information evident from Adult Attachment Projective Picture System (AAP) assessment can be integrated into a psychodynamic perspective in making therapeutic recommendations that integrate an attachment perspective. The Adult Attachment Projective Picture System (AAP) is a valid representational measure of internal representations of attachment based on the analysis of a set of free response picture stimuli designed to systematically activate the attachment system (George and West, 2012). The AAP provides a fruitful diagnostic tool for psychodynamic-oriented clinicians to identify attachment-based deficits and resources for an individual patient in therapy. This paper considers the use of the AAP with a traumatized patient in an inpatient setting and uses a case study to illustrate the components of the AAP that are particularly relevant to a psychodynamic conceptualization. The paper discusses also attachment-based recommendations for intervention.

  3. Psicoterapia psicodinâmica breve: estratégia terapêutica e mudança no padrão de relacionamento conflituoso Brief psychodynamic therapy: therapeutic strategy and change in the conflictual relationship pattern

    Directory of Open Access Journals (Sweden)

    Elisa Medici Pizão Yoshida

    2009-12-01

    Full Text Available Examinaram-se possíveis relações entre mudanças no padrão de relacionamento conflituoso de paciente, de 48 anos, submetida a psicoterapia breve psicodinâmica, e a estratégia terapêutica adotada pela terapeuta. Foi também avaliada a "magnitude" da mudança em sintomas psicopatológicos ao final do processo e entrevistas de acompanhamento (3 e 6 meses, com instrumentos de autorrelato: Inventário Beck de Depressão (BDI, Escala de Alexitimia de Toronto (TAS, Escala de Avaliação de Sintomas-40 (EAS-40, Escala Fatorial de Ajustamento Emocional/ Neuroticismo (EFN. A avaliação do padrão relacional baseou-se no Tema Central de Relacionamento Conflituoso - CCRT e a estratégia terapêutica, no grau de "expressividade vs. apoio" das intervenções. Os resultados mostraram melhoras clinicamente significantes nos sintomas e mudança parcial do padrão central de relacionamento. As intervenções terapêuticas foram mais expressivas no início e mais suportivas à medida que mudanças positivas eram observadas. É necessária cautela na generalização dos resultados. A abordagem metodológica permite comparar diferentes indivíduos.This study aimed to evaluate possible association between change in the conflictual relationship pattern of a 48 year-old, woman, assisted on brief psychodynamic therapy, and the therapist's therapeutic strategy. Yet it was evaluated the magnitude of change of psychopathological symptoms at the end and follow-up interviews (3 and 6 months according to self-report measures: Beck Depression Inventory (BDI, Toronto Alexithymia Scale (TAS, Symptom Assessment Scale40 (EAS-40, Emotional Adjustment/ Neuroticism Factorial Scale (EFN. The relationship pattern was assessed based on the Core Conflictual Relationship Theme - CCRT method and the therapeutic strategy according to the degree of expressiveness vs supportiveness of the therapist's interventions. Results pointed out to clinically significant improvement on symptoms

  4. A comprehensive dosimetric study of pancreatic cancer treatment using three-dimensional conformal radiation therapy (3DCRT), intensity-modulated radiation therapy (IMRT), volumetric-modulated radiation therapy (VMAT), and passive-scattering and modulated-scanning proton therapy (PT)

    Energy Technology Data Exchange (ETDEWEB)

    Ding, Xuanfeng; Dionisi, Francesco; Tang, Shikui; Ingram, Mark; Hung, Chun-Yu; Prionas, Evangelos; Lichtenwalner, Phil; Butterwick, Ian; Zhai, Huifang; Yin, Lingshu; Lin, Haibo; Kassaee, Alireza; Avery, Stephen, E-mail: stephen.avery@uphs.upenn.edu

    2014-07-01

    With traditional photon therapy to treat large postoperative pancreatic target volume, it often leads to poor tolerance of the therapy delivered and may contribute to interrupted treatment course. This study was performed to evaluate the potential advantage of using passive-scattering (PS) and modulated-scanning (MS) proton therapy (PT) to reduce normal tissue exposure in postoperative pancreatic cancer treatment. A total of 11 patients with postoperative pancreatic cancer who had been previously treated with PS PT in University of Pennsylvania Roberts Proton Therapy Center from 2010 to 2013 were identified. The clinical target volume (CTV) includes the pancreatic tumor bed as well as the adjacent high-risk nodal areas. Internal (iCTV) was generated from 4-dimensional (4D) computed tomography (CT), taking into account target motion from breathing cycle. Three-field and 4-field 3D conformal radiation therapy (3DCRT), 5-field intensity-modulated radiation therapy, 2-arc volumetric-modulated radiation therapy, and 2-field PS and MS PT were created on the patients’ average CT. All the plans delivered 50.4 Gy to the planning target volume (PTV). Overall, 98% of PTV was covered by 95% of the prescription dose and 99% of iCTV received 98% prescription dose. The results show that all the proton plans offer significant lower doses to the left kidney (mean and V{sub 18} {sub Gy}), stomach (mean and V{sub 20} {sub Gy}), and cord (maximum dose) compared with all the photon plans, except 3-field 3DCRT in cord maximum dose. In addition, MS PT also provides lower doses to the right kidney (mean and V{sub 18} {sub Gy}), liver (mean dose), total bowel (V{sub 20} {sub Gy} and mean dose), and small bowel (V{sub 15} {sub Gy} absolute volume ratio) compared with all the photon plans and PS PT. The dosimetric advantage of PT points to the possibility of treating tumor bed and comprehensive nodal areas while providing a more tolerable treatment course that could be used for dose

  5. Tracking Functional Brain Changes in Patients with Depression under Psychodynamic Psychotherapy Using Individualized Stimuli

    Science.gov (United States)

    Wiswede, Daniel; Taubner, Svenja; Buchheim, Anna; Münte, Thomas F.; Stasch, Michael; Cierpka, Manfred; Kächele, Horst; Roth, Gerhard; Erhard, Peter; Kessler, Henrik

    2014-01-01

    Objective Neurobiological models of depression posit limbic hyperactivity that should normalize after successful treatment. For psychotherapy, though, brain changes in patients with depression show substantial variability. Two critical issues in relevant studies concern the use of unspecific stimulation experiments and relatively short treatment protocols. Therefore changes in brain reactions to individualized stimuli were studied in patients with depression after eight months of psychodynamic psychotherapy. Methods 18 unmedicated patients with recurrent major depressive disorder were confronted with individualized and clinically derived content in a functional MRI experiment before (T1) and after eight months (T2) of psychodynamic therapy. A control group of 17 healthy subjects was also tested twice without intervention. The experimental stimuli were sentences describing each participant's dysfunctional interpersonal relationship patterns derived from clinical interviews based on Operationalized Psychodynamic Diagnostics (OPD). Results At T1 patients showed enhanced activation compared to controls in several limbic and subcortical regions, including amygdala and basal ganglia, when confronted with OPD sentences. At T2 the differences in brain activity between patients and controls were no longer apparent. Concurrently, patients had improved significantly in depression scores. Conclusions Using ecologically valid stimuli, this study supports the model of limbic hyperactivity in depression that normalizes after treatment. Without a control group of untreated patients measured twice, though, changes in patients' brain activity could also be attributed to other factors than psychodynamic therapy. PMID:25275317

  6. Dynamic psychiatry and the psychodynamic formulation

    African Journals Online (AJOL)

    relation to his very successful brother. The fact that he will soon have to start his career is also an ongoing stressor. Non-dynamic factors. A family history of depression points towards the likely contribution of genetic factors in the etiology of his depression. Psychodynamic explanation. • Personality structure. “P” is a sensitive ...

  7. Dynamic psychiatry and the psychodynamic formulation

    African Journals Online (AJOL)

    In her book 'An Unquiet Mind' the psychologist Kay Jamison gives a moving ... Department of Psychiatry, University of Pretoria, Weskoppies Hospital, Pretoria, South Africa. Abstract: This ... psychodynamic formulation is unfortunately seldom incorporated in the psychiatric presentation of patients; guidelines are therefore ...

  8. Parents as change agents: a psychodynamic model.

    Science.gov (United States)

    Zacker, J

    1978-10-01

    A treatment model is described by which psychodynamic clinicians can guide parents to become the primary change agents when their child is the identified patient. Three cases are presented where brief treatment, in which guided clinical interventions were largely carried out by the parents, led to sustained improvement in the child. Advantages of the approach and clinical issues regarding tis application are discussed.

  9. Drop-out from a psychodynamic group psychotherapy outpatient unit.

    Science.gov (United States)

    Jensen, Hans Henrik; Mortensen, Erik Lykke; Lotz, Martin

    2014-11-01

    BACKGROUND. Drop-out from psychotherapy is common and represents a considerable problem in clinical practice and research. Aim. To explore pre-treatment predictors of early and late drop-out from psychodynamic group therapy in a public outpatient unit for non-psychotic disorders in Denmark. Methods. Naturalistic design including 329 patients, the majority with mood, neurotic and personality disorders referred to 39-session group therapy. Predictors were socio-demographic and clinical variables, self-reported symptoms (Symptom Check List-90-Revised) and personality style (Millon Clinical Multiaxial Inventory-II). Drop-out was classified into early and late premature termination excluding patients who dropped out for external reasons. Results. Drop-out comprised 20.6% (68 patients) of the sample. Logistic regression revealed social functioning, vocational training, alcohol problems and antisocial behavior to be related to drop-out. However, early drop-outs had prominent agoraphobic symptoms, lower interpersonal sensitivity and compulsive personality features, and late drop-outs cognitive and somatic anxiety symptoms and antisocial personality features. Clinical and psychological variables accounted for the major part of variance in predictions of drop-out, which ranged from 15.6% to 19.5% (Nagelkerke Pseudo R-Square). Conclusion. Social functioning was consistently associated with drop-out, but personality characteristics and anxiety symptoms differentiated between early and late drop-out. Failure to discriminate between stages of premature termination may explain some of the inconsistencies in the drop-out literature. Clinical implications. Before selection of patients to time-limited psychodynamic groups, self-reported symptoms should be thoroughly considered. Patients with agoraphobic symptoms should be offered alternative treatment. Awareness of and motivation to work with interpersonal issues may be essential for compliance with group therapy.

  10. Guidelines for Individual and Group Psychodynamic Psychotherapy for the Treatment of Persons Diagnosed with Psychosis and/or Schizophrenia.

    Science.gov (United States)

    Ivezić, Slađana Štrkalj; Petrović, Branka Restek; Urlić, Ivan; Grah, Majda; Mayer, Nina; Stijačić, Dubravka; Jendričko, Tihana; Martić-Biočina, Sanja

    2017-09-01

    The hereby presented guidelines for the use of psychodynamic psychotherapy are based on references and research in the field of individual and group therapy and they refer to psychotherapy for patients suffering from the first psychotic episode, schizophrenia, schizoaffective psychosis, bipolar disorder and paranoid psychosis. The aim was to provide an overview of present literature and to give recommendations based on current knowledge. Clinical experience and research of the outcomes of psychodynamic psychotherapy encourage positioning of such treatments among recommendations for treating various mental disorders, as well as in the field of psychotherapy of patients with psychotic disorders (PD).

  11. Constructing a systems psychodynamic wellness model

    Directory of Open Access Journals (Sweden)

    Sanchen Henning

    2012-01-01

    Full Text Available Orientation: The researchers constructed a Systems Psychodynamic Wellness Model (SPWM by merging theory and concepts from systems psychodynamics and positive psychology. They then refined the model for application in organisations during a Listening Post (LP that comprised experienced subject experts.Research purpose: The purpose of the research was to construct and refine the SPWM in order to understand psychological wellness at the individual, group and organisational levels.Motivation for the study: There is no psychological wellness model that integrates the principles of systems psychodynamics and positive psychology. Systems psychodynamics traditionally focuses on so-called negative behaviour whilst positive psychology tends to idealise positive behaviour. This research tried to merge these views in order to apply them to individual, group and organisational behaviour.Research design, approach and method: The researchers used qualitative, descriptive and conceptual research. They conducted an in-depth literature study to construct the model. They then refined it using the LP.Main findings: The researchers identified 39 themes. They categorised them into three different levels. Three first-level themes emerged as the highest level of integration: identity, hope and love. The nine second-level themes each consisted of three more themes. They were less complex and abstract than the first-level themes. The least complex 27 third-level themes followed.Practical/managerial implications: One can apply the SPWM as a qualitative diagnostic tool for understanding individual, group and organisational wellness and for consulting on systemic wellness.Contribution/value-add: The SPWM offers a model for understanding individual, group and organisational wellness and for consulting on systemic wellness.

  12. A psychodynamic model of panic disorder.

    Science.gov (United States)

    Shear, M K; Cooper, A M; Klerman, G L; Busch, F N; Shapiro, T

    1993-06-01

    Current psychiatric research on panic disorder and its treatment are heavily influenced by neurobiological and cognitive-behavioral models rather than psychodynamic propositions, and psychodynamic treatment is generally considered to be of little benefit in amelioration of symptoms. However, because neither of the current models fully explains the clinical psychopathology, etiology, or pathogenesis of panic disorder, there is a need for further model building. The authors suggest that a psychodynamic approach may add to the understanding of patients with panic disorder. They base their psychodynamic formulation on pilot interviews with nine patients with panic disorder, published reports of psychological characteristics of patients with panic disorder, and data from infant and animal research on temperament. Interview results included the following: 1) all of the patients described themselves as fearful, nervous, or shy as children, 2) they remembered their parents as angry, frightening, critical, or controlling, 3) they frequently indicated discomfort with aggression, 4) most described chronic feelings of low self-esteem, 5) their spouses were characterized as passive, kind, and nonaggressive, and 6) stressors associated with frustration and resentment preceded the onset of panic. The authors propose a model in which inborn neurophysiological irritability predisposes to early fearfulness. Exposure to parental behaviors that augment fearfulness results in disturbances in object relations and persistence of conflicts between dependence and independence, which predispose to fears of feeling trapped, suffocated, and unable to escape and/or feeling alone and unable to get help. Catastrophic fears of helplessness in the face of suffocation or abandonment are easily accessible.(ABSTRACT TRUNCATED AT 250 WORDS)

  13. Do Patient Characteristics Predict Outcome of Psychodynamic Psychotherapy for Social Anxiety Disorder?

    OpenAIRE

    Wiltink, Jörg; Hoyer, Jürgen; Beutel, Manfred E.; Ruckes, Christian; Herpertz, Stephan; Joraschky, Peter; Koranyi, Susan; Michal, Matthias; Nolting, Björn; Pöhlmann, Karin; Salzer, Simone; Strauss, Bernhard; Leibing, Eric; Leichsenring, Falk

    2016-01-01

    OBJECTIVES: Little is known about patient characteristics as predictors for outcome in manualized short term psychodynamic psychotherapy (PDT). No study has addressed which patient variables predict outcome of PDT for social anxiety disorder. RESEARCH DESIGN AND METHODS: In the largest multicenter trial on psychotherapy of social anxiety (SA) to date comparing cognitive therapy, PDT and wait list condition N = 230 patients were assigned to receive PDT, of which N = 166 completed treatmen...

  14. Perceptions of the significant other of the effects of psychodynamic psychotherapy. Implications for thinking about psychodynamic and systemic approaches.

    Science.gov (United States)

    Roberts, J

    1996-01-01

    Clinical suggests that partners of psychotherapy patients often have powerful feelings about the therapy and therapist. The repercussions of psychotherapy on those close to the patient are rarely considered. A small exploratory study was therefore conducted. All patients who had completed at least two months of weekly psychodynamic psychotherapy in 1990 at an out-patient unit of a psychiatric hospital (n = 35) and had a partner with whom they were living at the time of starting therapy (n = 23) were contacted. Eight gave permission for their partner to be contacted directly. All eight partners agreed to participate in a semi-structured interview exploring their perceptions of the effects of the therapy on a number of family relationships. The impact of the process of the study was also investigated by means of a questionnaire sent to all partners some weeks after the interview. Considerable changes were perceived to have taken place in association with therapy affecting not only the relationship between the couple but also their parenting relationship, the children, and at time members of the extended family. Partner's views about the direction of such changes seemed to influence other perceptions about the therapy. The repercussions of individual psychotherapy may well spread extensively within a family. This further blurs the boundary between individual and family therapy, both theoretically and clinically. Research procedures are themselves a major intervention and may have a considerable emotional impact on participants.

  15. Multimedia psychodynamic psychotherapy: a preliminary report.

    Science.gov (United States)

    Nesci, Domenico Arturo

    2009-05-01

    Mourning the death of a beloved person is one of life's most stressful events. This psychotherapy case study describes a form of psychodynamic psychotherapy that the author developed in working with a patient who suffered from complicated grief after the death of her father from lung cancer. During sessions, the therapist worked with the patient to collect pictures and organize a "strip of life" of her father's most meaningful moments. The patient then wrote a short text associated with each picture. Finally, she chose music to be added to this "slide show" or "psychodynamic montage" as its soundtrack. The resulting multimedia presentation was finally posted on the Internet on a website to which only the patient and her relatives and friends had access via a password. This therapeutic strategy was effective in helping this patient resolve her symptoms of complicated grief. The author suggests that this new approach to psychodynamic psychotherapy may be a cost-effective and well-received tool for use in institutions such as hospices and general hospitals.

  16. Working with boundaries in systems psychodynamic consulting

    Directory of Open Access Journals (Sweden)

    Henk Struwig

    2012-01-01

    Full Text Available Orientation: The researcher described the systems psychodynamics of boundary management in organisations. The data showed how effective boundary management leads to good holding environments that, in turn, lead to containing difficult emotions.Research purpose: The purpose of the research was to produce a set of theoretical assumptions about organisational boundaries and boundary management in organisations and, from these, to develop a set of hypotheses as a thinking framework for practising consulting psychologists when they work with boundaries from a systems psychodynamic stance.Motivation for the study: The researcher used the belief that organisational boundaries reflect the essence of organisations. Consulting to boundary managers could facilitate a deep understanding of organisational dynamics.Research design, approach and method: The researcher followed a case study design. He used systems psychodynamic discourse analysis. It led to six working hypotheses.Main findings: The primary task of boundary management is to hold the polarities of integration and differentiation and not allow the system to become fragmented or overly integrated. Boundary management is a primary task and an ongoing activity of entire organisations.Practical/managerial implications: Organisations should work actively at effective boundary management and at balancing integration and differentiation. Leaders should become aware of how effective boundary management leads to good holding environments that, in turn, lead to containing difficult emotions in organisations.Contribution/value-add: The researcher provided a boundary-consulting framework in order to assist consultants to balance the conceptual with the practical when they consult.

  17. The association between retrospective outcome evaluations and pre-post-treatment changes in psychodynamic group-psychotherapy

    DEFF Research Database (Denmark)

    Jensen, Hans Henrik; Mortensen, Erik Lykke; Lotz, Martin

    2008-01-01

    In the present study of 203 patients in psychodynamic group psychotherapy, we explore associations between patient and therapist global retrospective outcome evaluations (ROE), and pre-post-treatment changes on the Symptom Check List 90 Revised (SCL-90-R) and non-symptomatic focus of therapy. The......, and associated with personality factors or domains not captured by standard questionnaires....

  18. Splitting and Projection: Drawing on Psychodynamics in Educational Psychology Practice

    Science.gov (United States)

    Pellegrini, Dario W.

    2010-01-01

    This paper reflects the author's journey into an area of psychology which is not dominant in Educational Psychology discourse, namely psychodynamic psychology. Two psychodynamic mechanisms, namely splitting and projection are explained, and then the author describes and critiques how these mechanisms have proved useful in his practice. Two case…

  19. Clinical Perspective Psychodynamic aspects of suicidal risk in ...

    African Journals Online (AJOL)

    Two cases of attempted suicide by adolescents, following the separation from an idealised first sexual partner, are presented to illustrate psychodynamic issues often overlooked in clinical assessment. Absent fathers and father figures and other psychodynamic issues are explored. Journal of Child and Adolescent Mental ...

  20. Dynamic psychiatry and the psychodynamic formulation | Böhmer ...

    African Journals Online (AJOL)

    This article aims to describe the difference between descriptive and dynamic psychiatry. As part of the latter every psychiatrist should be able to construct a psychodynamic formulation. A psychodynamic formulation, an indication of psychological mindedness, helps the psychiatrist to recognize the unique, personal aspects ...

  1. [Psychodynamic hypothesis about suicidality in elderly men].

    Science.gov (United States)

    Lindner, Reinhard

    2010-08-01

    Old men are overrepresented in the whole of all suicides. In contrast, only very few elderly men find their way to specialised treatment facilities. Elderly accept psychotherapy more rarely than younger persons. Therefore presentations on the psychodynamics of suicidality in old men are rare and mostly casuistical. By means of a stepwise reconstructable qualitative case comparison of five randomly chosen elderly suicidal men with ideal types of suicidal (younger) men concerning biography, suicidal symptoms and transference, psychodynamic hypothesis of suicidality in elderly men are developed. All patients came into psychotherapy in a specialised academic out-patient clinic for psychodynamic treatment of acute and chronic suicidality. The five elderly suicidal men predominantly were living in long-term, conflictuous sexual relationships and also had ambivalent relationships to their children. Suicidality in old age refers to lifelong existing intrapsychic conflicts, concerning (male) identity, self-esteem and a core conflict between fusion and separation wishes. The body gets a central role in suicidal experiences, being a defensive instance modified by age and/or physical illness, which brings up to consciousness aggressive and envious impulses, but also feelings of emptiness and insecurity, which have to be warded off again by projection into the body. In transference relationships there are on the one hand the regular transference, on the other hand an age specific turned around transference, with their counter transference reactions. The chosen methodological approach serves the systematic finding of hypotheses with a higher degree in evidence than hypotheses generated from single case studies. Georg Thieme Verlag KG Stuttgart - New York.

  2. Psychoanalytic/psychodynamic psychotherapy for children and adolescents who have been sexually abused.

    Science.gov (United States)

    Parker, Ben; Turner, William

    2013-07-31

    The sexual abuse of children and adolescents is a significant worldwide problem. It is associated with a wide variety of negative psychological, social and physical consequences for the victims. These effects can often be seen immediately following sexual abuse, but they may manifest later on and sometimes only in adult life. There are a number of different interventions aimed at helping children and adolescents who have been sexually abused, and psychoanalytic/psychodynamic psychotherapy has a long-established tradition of being used for such victims. In this review, we set out to find the evidence for its effectiveness specifically in children and adolescents who have been sexually abused. To assess the effectiveness of psychoanalytic/psychodynamic psychotherapy for children and adolescents who have been sexually abused. We searched the following databases in May 2013: CENTRAL, Ovid MEDLINE, Embase, PsycINFO, CINAHL, Sociological Abstracts, Social Science Citation Index, Conference Proceedings Citation Index - Social Science and Humanities, LILACS and WorldCat. We also searched three trials registers, checked the reference lists of relevant studies and contacted known experts. Randomised and quasi-randomised trials comparing psychoanalytic/psychodynamic psychotherapy with treatment as usual or no treatment/waiting list control for children and adolescents up to age of 18 who had experienced sexual abuse at any time prior to the intervention. The review authors (BP and WT) independently screened search results to identify studies that met eligibility criteria. No studies were identified that met the inclusion criteria for this review. There are no randomised and quasi-randomised trials that compare psychoanalytic/psychodynamic therapy with treatment as usual, no treatment or waiting list control for children and adolescents who have been sexually abused. As a result, we cannot draw any conclusions as to the effectiveness of psychoanalytic/psychodynamic

  3. SU-D-304-04: Pre-Clinical Feasibility Study for Intensity Modulated Grid Proton Therapy (IMgPT) Using a Newly Developed Delivery System

    Energy Technology Data Exchange (ETDEWEB)

    Tsiamas, P; Moskvin, V; Shin, J; Axente, M; Pirlepesov, F; Krasin, M; Merchant, T; Farr, J [St. Jude Children’s Research Hospital, Memphis, TN (United States)

    2015-06-15

    Purpose: The purpose of the current study was to characterize and evaluate intensity-modulated proton grid therapy (IMgPT) using a clinical proton beam. Methods: A TOPAS MC model of a new developmental mode (pre-clinical) of the Hitachi proton therapy system (PROBEAT) was used for simulation and characterization of proton grid therapy. TOPAS simulations of different energy ranges, depths and spot separation distances were performed. LET spectra for various energies and depths were produced with FLUKA MC code for evaluation potential interplay between planning parameters and their effect on the characterization of areas (valley) between spots. IMgPT planning aspects (spot spacing, skin dose, peak-to-valley ratios, beam selection, etc.) were evaluated for different phantom and patient cases. Raysearch software (v4.51) was used to perform the evaluation. Results: Calculated beam peak-to-valley ratios scenarios showed strong energy and depth dependence with ratios to be larger for higher energies and shallower depths. Peak-to-valley ratios for R90 range and for spot spacing of 1cm varied from 30% (E = 221.3 MeV, depth 30.6 cm) to 80% (E = 70.3 MeV, depth 4 cm). LET spectra calculations showed spectral hardening with depth, which might potential increase, spot separation distance and improve peak-to-valley ratios. IMgPT optimization, using constant spot spacing, showed skin dose reduction between peak regions of dose due to the irradiation of less skin. Single beam for bulky shallower tumors might be a potential candidate for proton grid therapy. Conclusions: Proton grid therapy using a clinical beam is a promising technique that reduces skin dose between peak regions of dose and may be suitable for the treatment of shallow tumors. IMgPT may be considered for use when bystander effects in off peak regions would be appropriate.

  4. Review of Psychodynamic diagnostics manual (PDM).

    Science.gov (United States)

    Moses, Ira

    2008-03-01

    Reviews the book, Psychodynamic diagnostics manual (PDM) by Alliance of Psychoanalytic Organizations (2006). This volume is divided into three major sections, Part 1--Classification of Adult Mental Heath Disorder, Part 2--Classification of Child and Adolescent Mental Health Disorder, and Part 3--Conceptual and Research Foundations for a Psychodynamically Based Classification System for Mental Health Disorders. Unlike the standard DSM which highlights the patient's presenting symptom (Axis I) with secondary consideration given to an underlying personality disorder (Axis II), the major thesis of classification scheme of this volume is that diagnostic evaluation should provide a more patient centered and a more clinically useful picture of the individual by understanding the symptom(s) through the essential dimensions of the patient's personality and mental functions (interpersonal and cognitive capacities). Part 3, which could stand on its own as a separate volume, is a thorough critique of psychotherapy outcome research in which the authors delineate how major design flaws have derived from "favoring what is measurable over what is meaningful." The authors cogently demonstrate that diagnostic assessment is a continuous effort toward providing individualized and clinically relevant evaluations. (PsycINFO Database Record (c) 2010 APA, all rights reserved).

  5. Operationalized Psychodynamic Diagnosis as an instrument to transfer psychodynamic constructs into neuroscience

    Directory of Open Access Journals (Sweden)

    Henrik eKessler

    2013-10-01

    Full Text Available This theoretical article makes a contribution to the field of psychoanalytically informed neuroscience. First, central characteristics of psychoanalysis and neuroscience are briefly described leading into three epistemic dichotomies. Neuroscience versus psychoanalysis display almost opposing methodological approaches (reduction vs. expansion, test quality emphases (reliability vs. validity and meaning of results (correlation vs. explanation. The critical point is to reach an intermediate level: in neuroscience an adequate position integrating both aspects – objective and subjective – of dual-aspect monism, and in psychoanalysis the appropriate level for the scientific investigation of its central concepts. As a suggestion to reach that level in both fields the system of Operationalized Psychodynamic Diagnosis (OPD; OPD Task Force, 2008 is presented. Combining aspects of both fields, expansion and reduction as well as reliability and validity, OPD could be a fruitful tool to transfer psychodynamic constructs into neuroscience. The article closes with a short description of recent applications of OPD in neuroscience.

  6. A proposed model of psychodynamic psychotherapy linked to Erik Erikson's eight stages of psychosocial development.

    Science.gov (United States)

    Knight, Zelda Gillian

    2017-09-01

    Just as Freud used stages of psychosexual development to ground his model of psychoanalysis, it is possible to do the same with Erik Erikson's stages of development with regards to a model of psychodynamic psychotherapy. This paper proposes an eight-stage model of psychodynamic psychotherapy linked to Erik Erikson's eight stages of psychosocial development. Various suggestions are offered. One such suggestion is that as each of Erikson's developmental stages is triggered by a crisis, in therapy it is triggered by the client's search. The resolution of the search often leads to the development of another search, which implies that the therapy process comprises a series of searches. This idea of a series of searches and resolutions leads to the understanding that identity is developmental and therapy is a space in which a new sense of identity may emerge. The notion of hope is linked to Erikson's stage of Basic Trust and the proposed model of therapy views hope and trust as essential for the therapy process. Two clinical vignettes are offered to illustrate these ideas. Psychotherapy can be approached as an eight-stage process and linked to Erikson's eight stages model of development. Psychotherapy may be viewed as a series of searches and thus as a developmental stage resolution process, which leads to the understanding that identity is ongoing throughout the life span. Copyright © 2017 John Wiley & Sons, Ltd.

  7. A Psychodynamic Psychologist in Community Psychiatry: 14 Years of Experience

    Directory of Open Access Journals (Sweden)

    Tânia Roquette

    2013-11-01

    Full Text Available This paper aims to critically review the role of a psychodynamic psychologist integrated in a community outpatient clinic of a Psychiatric Department. It describes the characteristics of a psychodynamic intervention that is complementary to the psychiatric approach while sharing a common goal –the suffering patient – and enhancing the knowledge and understanding of several domains like psychopathology, diagnosis, treatment, rehabilitation and integration. Furthermore it describes how the use of Psychological Assessment led to the formulation of specific individual psychotherapies, spanning 14 years of clinical practice. The paper concludes with some considerations regarding the integration of Psychodynamic Psychology in a multidisciplinary mental health team, addressing issues such as the boundaries between technical characteristics, the appropriateness of language to other disciplines and psychodynamic implications of the different features of this clinical setting.

  8. Public anxiety and health policy: A psychodynamic perspective

    OpenAIRE

    Walsh, Kenneth; Campbell, Steven; Ashby, Michael; Procter, Susan

    2016-01-01

    In this article, we explore how the application of organizational psychodynamic theories might improve the understanding of unconscious forces influencing apparently rational and evidence-based processes such as the generation and implementation of health policy. There is a growing body of literature using psychodynamic theories to explore discontinuities in policy-making and the containment of anxiety in organizations. In this article, we focus on the dyadic relationship between policy forma...

  9. A new model of techniques for concurrent psychodynamic work with parents of child and adolescent psychotherapy patients.

    Science.gov (United States)

    Novick, Kerry Kelly; Novick, Jack

    2013-04-01

    To address the neglect of the importance of parent work in the psychodynamic psychotherapy of children and adolescents, the authors present a model of concurrent dynamic parent work that has demonstrated success with patients of all ages. The model includes dual goals for all therapies, addresses the challenge of confidentiality by differentiating privacy and secrecy, and emphasizes the importance of parent work throughout treatment. Copyright © 2013 Elsevier Inc. All rights reserved.

  10. Internal Representations of the Therapeutic Relationship Among Adolescents in Psychodynamic Psychotherapy.

    Science.gov (United States)

    Atzil-Slonim, Dana; Tishby, Orya; Shefler, Gaby

    2015-01-01

    This study examined changes in adolescents' internal representations of their relationship with their therapist and the extent to which these changes were related to changes in their representations of their relationship with their parents and to treatment outcomes. Thirty adolescents (aged 15-18 years, 70% women) undergoing psychodynamic psychotherapy participated in relationship anecdote paradigms interviews based on the core conflictual relationship theme method and completed outcome measures at the beginning of treatment and a year later. Adolescents' positive representations of their therapists increased throughout the year of treatment, whereas their negative representations did not change. There was an association between the development of the therapeutic relationship and improvement in the perception of the relationship with parents over the course of therapy. Increases in the level of positive representations and decreases in the level of negative representations of the therapist were associated with greater satisfaction with treatment but not with the other outcome measures. These results support the centrality of the therapeutic relationship in the process of change during adolescents' psychodynamic psychotherapy. The finding that positive representations of the therapist increased throughout treatment but that negative representations remained steady suggests that therapists who treat adolescents should expect and be able to hear adolescent clients' positive and negative internal representations of themselves. Therapists need to realize that although adolescents often experience negative emotions and perceptions in therapy as in other significant relationships, this does not necessarily block the development of positive emotions. The finding that changes in the representations of the therapist are associated with changes in the representations of parents is in line with psychodynamic theory, which posits that psychotherapy facilitates new

  11. The psychodynamic determinants of Moses and Monotheism.

    Science.gov (United States)

    Wallace, E R

    1977-02-01

    Many writers have commented on the lack of Freud's usual level of logic and powers of persuasion in Moses and Monotheism. The majority attribute it to the significance of dynamic determinants in Freud himself--most notably, identification with Moses. Fromm (1972) says "one must assume that Freud's preoccupation with Moses was rooted in the deep unconscious identification with him" (p. 79). Unfortunately, the situation is much more complex. Although many pertinent observations have been made, what is needed is a detailed dissection of the text, a correlation with elements from Freud's personal life, and an overall psychoanalytic synthesis of the data. This paper makes a beginning in that direction, incorporating the ideas of other investigators with those of the author--but it is hoped that much more detailed analysis and biographical correlation will follow. There is a wealth of information about Freud in Moses and Monotheism and no one paper will exhaust it. In this examination no attempt will be made to evaluate Moses and Monotheism for its literary, psychohistorical, or scientific merit. The focus is on the psychodynamic determinants of Freud's essay.

  12. Psychodynamic psychotherapy for the depressive syndrome.

    Science.gov (United States)

    Cameron, P M

    1989-06-01

    Historical approaches of psychotherapy for depression are contrasted with current psychotherapeutic strategies. Now more strategies are focused, structured, time-limited, observable, testable, researchable and data based. The following depressive syndromes are reviewed in terms of the literature that demonstrates the effectiveness of psychotherapy: major depressive disorder, bipolar depressive disorder, depression associated with medical illness such as cancer, myocardial infarction and stroke, resistant depression post-traumatic stress disorder, grief reactions and depression during adolescence, mid-life and the geriatric period of the life cycle. A conceptual model favoring tripartite focus of intervention is recommended. Psychodynamic psychotherapy for depression must consider intrapsychic, interpersonal and family dynamics as well as social supports. A model for each population needs to be studied and developed further. Recommendations for current research are suggested. In the individual modification of psychotherapeutic approaches we must consider the varying maturity of ego defenses and the ego strength of the individual patient. Forty well-designed studies that demonstrate the effectiveness of psychotherapy in the depressive syndromes are quoted in this paper.

  13. Psychodynamics of hypersexuality in children and adolescents with bipolar disorder.

    Science.gov (United States)

    Adelson, Stewart

    2010-01-01

    It has recently become evident that bipolar disorder exists in children and adolescents. The criteria for making the diagnosis of juvenile bipolar disorder (JBD) are in the process of being proposed for the fifth edition of the Diagnostic and Statistical Manual (DSM-V). In adults, a criterion for bipolar disorder is excessive involvement in pleasurable activities including hypersexuality. Recently, some clinicians and researchers have suggested that hypersexuality be included as a criterion for JBD as well. Although abnormal sexuality has been reported to be present in some youth thought to have JBD, the reason for this association is not yet clear. Hypersexuality may be primary and intrinsic to bipolar disorder in youth, secondary and associated with it as the result of psychosocial influences or psychodynamic factors, or due to general aggression and disruptive behavior. Not only have developmental psychosocial factors that may influence sexuality in children and adolescence not been fully investigated, but psychodynamic influences have been omitted from modern etiological constructs as well. This report discusses the importance of psychosocial and psychodynamic influences on the sexual experience and activity of bipolar children. It is proposed that a developmental, psychodynamically informed model is helpful in understanding sexuality in children and adolescents with bipolar disorder. It is also suggested that assessment of psychosocial and psychodynamic influences on the sexuality of bipolar children is necessary in order to adequately assess whether hypersexuality should be a criterion of bipolar disorder in youth.

  14. The effects of the therapist's disengaged feelings on the in-session process in psychodynamic psychotherapy.

    Science.gov (United States)

    Ulberg, Randi; Amlo, Svein; Hersoug, Anne Grete; Dahl, Hanne-Sofie Johnsen; Høglend, Per

    2014-05-01

    The primary aim of this article was to explore the effects of the therapist's disengaged feelings (i.e., bored, tired of, sleepy, indifferent, aloof) in psychodynamic therapy. The Transference Work Scale was used in combination with the Defense Mechanism Rating Scales and Structural Analyses of Social Behavior to explore the in-session process in 2 therapies with female patients with interpersonal problems. Analyses showed differences in in-session processes (i.e., defense mechanisms; transference work; degree of affiliation and interdependence in the dialogue) and treatment outcome between therapies characterized by a low versus a higher degree of disengaged feelings. Compared to the case with the engaged therapist, the disengaged therapist showed poorer interaction and less response to transference and defense interpretation. When aware of their disengaged feelings, therapists are advised to encourage their patients to discuss the patient-therapist interaction. © 2014 Wiley Periodicals, Inc.

  15. Psychodynamic psychotherapy as treatment for depression in adolescence.

    Science.gov (United States)

    Midgley, Nick; Cregeen, Simon; Hughes, Carol; Rustin, Margaret

    2013-01-01

    This article presents a psychodynamic approach to understanding and treating adolescent depression, based largely on the manual for short-term psychoanalytic psychotherapy (STPP) for adolescents (11-17 years old) with moderate to severe depression, developed for the IMPACT Study from Great Britain. Although the authors make reference to longer-term psychodynamic treatments, the 28-session model (plus 7 sessions of parent/carer work) used in the IMPACT Study informs the psychodynamic approach presented herein. In the course of discussing the analytical framework for depression and the treatment, a single case study is presented throughout to graphically illustrate the clinical course and outcomes. Copyright © 2013 Elsevier Inc. All rights reserved.

  16. Termination of psychotherapy: the journey of 10 psychoanalytic and psychodynamic therapists.

    Science.gov (United States)

    Fragkiadaki, Evangelia; Strauss, Susan M

    2012-09-01

    Literature on termination originates mainly from clinical and theoretical accounts as well as practitioners' autobiographical reports. There is, however, a paucity of psychological research on termination. The purpose of this study is to examine the process of termination of therapy based on therapists' narratives of experiences of endings with patients. Grounded Theory methodology has been applied in this study in order to conceptualize the process of termination from the therapist's perspective. Ten psychoanalytic and psychodynamic therapists were interviewed for this study. Grounded Theory analysis of the data revealed five central categories: therapist as a person, therapist's awareness of termination, development of therapeutic relationship, working through termination, and the aftermath (post-termination phase). The results offer a Grounded Theory model of the therapist's journey through termination of therapy with patients. Subcategories and their relationships will be explored. Implications for clinical practice, limitations and suggestions for further research will be discussed. © 2011 The British Psychological Society.

  17. The psychodynamics and developmental psychology of the borderline patient: a review of the literature.

    Science.gov (United States)

    Shapiro, E R

    1978-11-01

    The author reviews the psychodynamics and developmental psychology of the borderline patient as described in the literature on intensive therapy, early mother-child interaction, and family interaction. Focusing on the borderline patient's characteristic difficulties in intimate relationships, he describes the patient's use of splitting and projective identification as seen in the characteristic transference-countertransference interaction in intensive therapy. These primitive defensive mechanisms, which are also utilized by family members, appear to contribute to a failure of empathic responses both during the child's early development and in the family interactions during his adolescence. The author concludes that conceptual attempts to relate adult and child phenomena, although highly speculative, create new and useful perspectives for the treatment of the borderline patient.

  18. Do therapists' subjective variables impact on psychodynamic psychotherapy outcomes? A systematic literature review.

    Science.gov (United States)

    Lingiardi, Vittorio; Muzi, Laura; Tanzilli, Annalisa; Carone, Nicola

    2017-09-05

    Despite growing attention to the general therapist effects in a wide range of clinical settings, little is known about the individual, cross-situational, and therapy-nonspecific variables that impact on the differential effectiveness of clinicians. The current study is a systematic review of the evidence relating to the influence of therapist's subjective characteristics on outcomes of psychodynamic psychotherapies. A multistage and systematic search of articles published between 1987 and 2017 identified 30 relevant studies, which were organized into 6 areas according to the specific therapist's variable considered. Therapists' interpersonal functioning and skills showed the strongest evidence of a direct effect on treatment outcomes. Furthermore, there were preliminary evidence that therapists' attachment styles, their interpersonal history with caregivers, and their self-concept might affect outcomes through interaction effects with other constructs, such as technical interventions, patient's pathology, and therapeutic alliance. The high variability between studies on therapists' overall reflective or introspective abilities and personality characteristics suggested the need for more systematic research in these areas, whereas therapists' values and attitudes showed small effects on therapeutic outcome. The present review clarifies how a deep examination of the contribution of therapists' subjective characteristics can help elucidate the complex association between relational and technical factors related to the outcome of psychodynamic treatments. Copyright © 2017 John Wiley & Sons, Ltd.

  19. A psychodynamic understanding of trauma and adolescence - A ...

    African Journals Online (AJOL)

    ... guilt and difficulties with trust, intimacy and safety. This approach highlights the subjective experience of unexpected violence-induced trauma that overwhelms the ego and produces a state of helplessness. Psychodynamic phenomena, such as regression, defenses and the inner world of the adolescent are discussed in ...

  20. Psychodynamics of suicide, with particular reference to the young.

    Science.gov (United States)

    Hendin, H

    1991-09-01

    The article reviews the literature on the psychodynamics of suicide, focusing on factors that will help in evaluating and treating the young suicidal patient. Articles published in refereed journals and books and book chapters based on such articles are the source of most of the material. Articles that first brought a new finding to notice are given preference. Methodological limitations and contradictions with the data of other studies are pointed out. The psychodynamic meaning of suicide for a patient derives from both affective and cognitive components. Rage, hopelessness, despair, and guilt are important affective states in which young patients commit suicide. The meanings of suicide can be usefully organized around the conscious (cognitive) and unconscious meanings given to death by the suicidal patient: death as reunion, death as rebirth, death as retaliatory abandonment, death as revenge, and death as self-punishment or atonement. Knowledge of the psychodynamics helps to distinguish which patients with any given diagnosis are at risk for suicide. Such knowledge is essential to the psychotherapeutic treatment of the young suicidal patient. Topics for future research include the role of anxiety in suicide; the capacity to bear hopelessness, rage, and other unpleasant affects without regression; the use of particular defense mechanisms in distinguishing the risk of either suicidal or violent behavior; and the relation of specific psychodynamic conflicts seen in suicidal patients to particular psychiatric diagnoses.

  1. The Psychodynamics of Mindlessness and Dissent in Small Groups.

    Science.gov (United States)

    Elmes, Michael B.; Gemmill, Gary

    1990-01-01

    Uses psychodynamic perspective to explore tendency of small groups to regress to group mindlessness, where critical thinking is sluggish and individual differences are suppressed. Discusses dynamics of small group mindlessness and the emergence of dissenter role. Suggests ways of enhancing group mindfulness. (Author/TE)

  2. Psychodynamic treatment, training, and supervision using internet-based technologies.

    Science.gov (United States)

    Fishkin, Ralph; Fishkin, Lana; Leli, Ubaldo; Katz, Barbara; Snyder, Elise

    2011-01-01

    For several years, the China American Psychoanalytic Alliance (CAPA) has provided treatment, training, and supervision to Chinese mental health professionals over the Internet. The lack of Chinese analysts and mentors has created an intense demand for psychodynamic psychotherapy training and treatment that CAPA is addressing using Skype™ and other distance communication technologies. This article describes the project, its history, scope, and activities, and the experiences of CAPA teachers and clinicians in exploring and developing the usefulness and power of this very new teaching method. Some particular characteristics of Chinese culture have become apparent as a result of the teaching experience. Aspects of the transference and countertransference that are shaped by the virtual nature of the technology are discussed, using case material. Our hope is that, in helping to train our Chinese students in psychodynamic psychotherapy, they will go on to train future generations of clinicians. This model of teaching and training could also be applied in other underserved areas.

  3. Autoethnography and Psychodynamics in Interrelational Spaces of the Research Process

    DEFF Research Database (Denmark)

    Dybbroe, Betina; Hansson, Birgitte

    2012-01-01

    be made accessible methodologically and methodically by combining a psychodynamic approach with an autoethnographic approach. The methodical question is therefore how the researcher can conduct introspection and at the same time reflect upon and analyse the central object of investigation. The approach......This article takes the stance that the subjectivity of the researcher is an integral part of the research process. It should be studied as a key to understanding the interrelational processes of meaning in an interview situation. The article demonstrates how the subjectivity of the researcher can...... is psychoanalytically informed, but autoethnography became the actual vehicle for moving beyond reflections on the psychodynamics represented in the texts. The researcher ventured into an introspection of not only the texts, but also her own feelings, fantasies, and bodily experiences at the time of the interview...

  4. Psychodynamic psychotherapy and clomipramine in the treatment of major depression.

    Science.gov (United States)

    Burnand, Yvonne; Andreoli, Antonio; Kolatte, Evelyne; Venturini, Aurora; Rosset, Nicole

    2002-05-01

    The authors compared a combination of clomipramine and psychodynamic psychotherapy with clomipramine alone in a randomized controlled trial among patients with major depression. Seventy-four patients between the ages of 20 and 65 years who were assigned to ten weeks of acute outpatient treatment for major depression were studied. Bipolar disorder, psychotic symptoms, severe substance dependence, organic disorder, past intolerance to clomipramine, and mental retardation were exclusion criteria. Marked improvement was noted in both treatment groups. Combined treatment was associated with less treatment failure and better work adjustment at ten weeks and with better global functioning and lower hospitalization rates at discharge. A cost savings of 2,311 dollars per patient in the combined treatment group, associated with lower rates of hospitalization and fewer lost work days, exceeded the expenditures related to providing psychotherapy. Provision of supplemental psychodynamic psychotherapy to patients with major depression who are receiving antidepressant medication is cost-effective.

  5. Psychodynamic personality profile in first-episode severe mental disorders.

    Science.gov (United States)

    Heikkilä, J; Karlsson, H; Taiminen, T; Lauerma, H; Ilonen, T; Leinonen, K-M; Wallenius, E; Virtanen, H; Heinimaa, M; Kaljonen, A; Salokangas, R K R

    2004-03-01

    The aim of this study was to relate measures of psychoanalytically derived personality traits to descriptive diagnosis and psychopathology in severe mental disorders. Sixty-one consecutive first-episode patients with schizophrenia, bipolar disorder and severe major depression were interviewed. Personality traits were assessed with the Karolinska Psychodynamic Profile (KAPP) and compared with the DSM-IV diagnosis and symptom clusters derived from the BPRS. There were no marked differences in personality traits between the three diagnostic groups, between schizophrenia and affective disorders or between psychotic and non-psychotic illness. However, personality traits had significant associations with symptoms, especially with the emotional retardation cluster. Our findings do not support the hypothesis that severe mental disorders would differ from each other in terms of long-standing psychodynamic personality profiles. Certain dysfunctional personality traits may predict especially negative emotional symptoms and possibly also predispose a person to them.

  6. A case study of psychodynamic group psychotherapy for bipolar disorder.

    Science.gov (United States)

    Gonzalez, Jodi M; Prihoda, Thomas J

    2007-01-01

    This study examines the effectiveness of long-term outpatient psychodynamic group psychotherapy for individuals with bipolar disorder who may have psychiatric comorbidity. The Integrative Outpatient Model (IOM) includes psychoeducation regarding illness, illness management, and exploration of dynamic and interpersonal issues. At one-year follow up, group members had significantly less depressive symptomatology and were less likely to be in a mood episode, compared to controls. There were no between-group differences in manic symptoms or global assessments of functioning. For group-treated patients, the number of days well per week improved significantly; there were no significant improvements in the control group. This pilot study indicates that psychodynamic group psychotherapy is feasible as a component of treatment for bipolar disorder diagnoses. The results suggest benefits on depressive, but not manic symptoms. The 73% retention rate suggests that further study of this treatment is warranted, especially in the cases of patients for whom pharmacotherapy alone is not sufficient.

  7. Viewing the Disney Movie Frozen through a Psychodynamic Lens.

    Science.gov (United States)

    Kowalski, Christopher; Bhalla, Ruchi

    2015-10-14

    The Disney movie Frozen is the fifth highest grossing movie of all time. In order to better understand this phenomenon and to hypothesize as to why the movie resonated so strongly with audiences, we have interpreted the movie using psychodynamic theory. We pay particular attention to the themes of puberty, adolescence and sibling relationships and discuss examples of ego defenses that are employed by the lead character in relation to these concepts.

  8. Empathy deficit in antisocial personality disorder: a psychodynamic formulation.

    Science.gov (United States)

    Malancharuvil, Joseph M

    2012-09-01

    Empathic difficulty is a highly consequential characteristic of antisocial personality structure. The origin, maintenance, and possible resolution of this profound deficit are not very clear. While reconstructing empathic ability is of primary importance in the treatment of antisocial personality, not many proven procedures are in evidence. In this article, the author offers a psychodynamic formulation of the origin, character, and maintenance of the empathic deficiency in antisocial personality. The author discusses some of the treatment implications from this dynamic formulation.

  9. Systems-Psychodynamics in Schools: A Framework for EPs Undertaking Organisational Consultancy

    Science.gov (United States)

    Eloquin, Xavier

    2016-01-01

    This article considers how a framework for understanding group and organisational behaviour, systems-psychodynamics, can be utilised by educational psychologists taking up an organisational consultancy role to work with schools as whole systems. It outlines the three main theories that constitute a systems-psychodynamic perspective and considers…

  10. Followership's experiences of organisational leadership: A systems psychodynamic perspective

    Directory of Open Access Journals (Sweden)

    Henk Greyvenstein

    2012-01-01

    Full Text Available Orientation: Followers’ experiences of leadership in their organisations were qualitatively explored and described from a systems psychodynamic perspective. The findings revealed a very negative view on how leadership treats followership, and that leadership is seen as inconsistent.Research purpose: The purpose of the research was to describe followership’s experiences of organisational leadership from a systems psychodynamic perspective.Motivation for the study: Organisational leadership is under tremendous pressure to perform and often under attack, especially if they do not appear to be caring and supportive. The research was planned to better understand the unconscious nature of this phenomenon.Research design, approach and method: Qualitative, descriptive research was used. Data was collected through psychodynamic Listening Posts and analysed using discourse analysis. Working hypotheses were formulated per theme and integrated into the research hypothesis.Main findings: Six themes manifested, namely a negative leadership view; idealisation of the past and blaming the present; obsession with race and gender; constantly changing identity; unfinished business and the future; and cope and hope.Practical/managerial implications: Leadership seem to focus more on business than followership issues which leads to followers feeling disregarded and de-authorised. As a result followers withhold authorisation from leadership which may be instrumental in leaderships’ difficulties to manage change and transformation effectively. Leadership development needs to incorporate the self-authorisation of leaders as well as the invitation of authorisation by leaders.Contribution/value-add: The data would be useful to leadership towards understanding, repairing and optimising their relationships and organisational impact through people.

  11. Executive coaching in diversity from the systems psychodynamic perspective

    Directory of Open Access Journals (Sweden)

    Lerato Motsoaledi

    2012-01-01

    Full Text Available Orientation: The researcher applied role analysis from the systems psychodynamic perspective to executives in state departments to improve their awareness of the unconscious diversity dynamics that affect their roles.Research purpose: The purpose of this research was to describe the application of systems psychodynamic role analysis and to determine its trustworthiness in assisting executives to work effectively with conscious and unconscious diversity dynamics in their organisations.Motivation for the study: Executives generally struggle to understand the deeper meaning of diversity behaviour that manifests inside and around them, leading to conflict. Without understanding the unconscious meaning of the behaviour, organisations founder easily. Awareness of below-the-surface behaviour leads to insight and taking responsibility for diversity-related behaviours.Research design, approach and method: The researcher coached six executives in South African state departments over a period of 10 months. The coaching addressed and analysed the executives’ organisational roles. She analysed the data using discourse analysis.Main findings: Themes relating to the diversity dynamics of gender, race, ethnicity, authority, disability, language, age, de-authorisation of diversity work and the coaching process emerged. The coaching assisted the executives to gain insights into below-the-surface diversity dynamics, to address diversity in a sustained manner and to take up their organisational roles more effectively.Practical/managerial implications: Coached executives will have a more objective and dynamic experience of diversity issues that manifest in organisations, between colleagues and within themselves.Contribution/value-add: Executive coaching from a systems psychodynamic perspective displays trustworthiness in improving participants’ diversity awareness, especially with regard to gender, race, ethnicity and authorisation.

  12. Psychogenic voice disorders in performers: a psychodynamic model.

    Science.gov (United States)

    Rubin, John S; Greenberg, Maurice

    2002-12-01

    Psychogenic voice disorders are not infrequently encountered in the busy voice clinic. A clinician-friendly psychodynamic model and a multidisciplinary management approach are presented which have proven helpful for our voice team and our patients. In essence the formulation revolves around an "event" occurring, which may be either organic or psychological in nature. The ensuing dysphonia then leads to emotional consequences which in turn have physical consequences on the vocal tract. The situation can become reinforcing and illness behaviors develop. Elucidating this event/process to the patient improves the likelihood of a successful long-term outcome. The diagnostic and management roles of the various team members are discussed.

  13. Psychodynamic Factors Behind Online Social Networking and its Excessive Use.

    Science.gov (United States)

    Li, Thomas Cheuk Wing

    2016-03-01

    This article discusses the psychodynamic factors behind the popularity of one form of Internet activity, online social networking (SN). It views online SN as an extension of the social self, organized in a way that is more controllable than real life relating. The SN platforms reward its users with reassuring surfaces and novel self-object experiences while at the same time induces much anxiety. The addictive quality of online SN is understood in the context of collapse of dialectical space and the defensive use of this technology.

  14. Psychodynamic psychotherapy for complex trauma: targets, focus, applications, and outcomes.

    Science.gov (United States)

    Spermon, Deborah; Darlington, Yvonne; Gibney, Paul

    2010-01-01

    Complex trauma describes that category of severe, chronic interpersonal trauma usually originating in the formative years of a child. In the adult, this can result in global dissociative difficulties across areas of cognitive, affective, somatic, and behavioral functions. Targeting this field of traumatic pathology, this article reviews the contributions and developments within one broad approach: psychodynamic theory and practice. Brief descriptions of aspects of analytical, Jungian, relational, object relations, and attachment therapeutic approaches are given, along with understandings of pathology and the formulation of therapeutic goals. Major practices within client sessions are canvassed and the issues of researching treatment outcomes are discussed.

  15. Dreaming of you: client and therapist dreams about each other during psychodynamic psychotherapy.

    Science.gov (United States)

    Hill, Clara E; Knox, Sarah; Crook-Lyon, Rachel E; Hess, Shirley A; Miles, Joe; Spangler, Patricia T; Pudasaini, Sakar

    2014-01-01

    Our objectives were to describe the frequency of therapists' dreams about their clients and clients' dreams about their therapists, to determine how therapists and clients who had such dreams differed from those who did not have such dreams, whether therapy process and outcome differed for those who had and did not have such dreams, and to describe the content and consequences of these dreams. Thirteen doctoral student therapists conducted psychodynamic psychotherapy with 63 clients in a community clinic. Therapists who had dreams about clients had higher estimated and actual dream recall than did therapists who did not dream about clients. Qualitative analyses indicated that therapists' dreams yielded insights about the therapist, clients, and therapy; therapists used insights in their work with the clients. Among the clients, only two (who were particularly high in attachment anxiety and who feared abandonment from their therapists) reported dreams that were manifestly about their therapists. Therapists-in-training dreamed more about their clients than their clients dreamed about them. Dreams about clients can be used by therapists to understand themselves, clients, and the dynamics of the therapy relationship.

  16. Clinical Holistic Medicine (Mindful, Short-Term Psychodynamic Psychotherapy Complemented with Bodywork in the Treatment of Experienced Physical Illness and Chronic Pain

    Directory of Open Access Journals (Sweden)

    Søren Ventegodt

    2007-01-01

    Full Text Available We investigated the treatment effect of psychodynamic short-term therapy complemented with bodywork on patients who presented with physical illness at the Research Clinic for Holistic Medicine in Copenhagen. Psychodynamic short-term therapy was complemented with bodywork (Marion Rosen to help patients confront old emotional pain from childhood trauma(s. Patients were measured with a five-item quality of life and health questionnaire (QOL5, a one-item questionnaire of self-assessed quality of life (QOL1, and four questions on self-rated ability to love and to function sexually, socially, and at work (ability to sustain a full-time job. Most of the patients had chronic pain that could not be alleviated with drugs. Results showed that 31 patients with the experience of being severely physically ill (mostly from chronic pain, in spite of having consulted their own general practitioner, entered the study. The holistic approach and body therapy accelerated the therapy dramatically and no significant side effects were detected. After the intervention, 38.7% did not feel ill (1.73 < NNT < 4.58 (p = 0.05. Psychodynamic short-term therapy complemented with bodywork can help patients. When the patients responded to the therapy, the self-assessed mental health, relationship with partner, ability to work, self-assessed quality of life, relationships in general, measured QOL (with the validated questionnaire QOL5, and life's total state (mean of health, QOL and ability were significantly improved, statistically and clinically. Most importantly, all aspects of life were improved simultaneously, due to induction of Antonovsky-salutogenesis. The patients received in average 20 sessions over 14 months at a cost of 1600 EURO. For the treatment responders, the treatment seemingly provided lasting benefits.

  17. Commentary: Coming Full Circle--Psychoanalysis, Psychodynamics, and Forensic Psychiatry.

    Science.gov (United States)

    Hegarty, Angela M

    2015-12-01

    Drs. Simopoulos and Cohen argue that knowledge of one's unconscious processes improves the forensic psychiatrist's capacity to manage complex forensic situations and to generate forensic formulations and opinions that are demonstrably more valid and reliable, much like competence in cultural assessment and formulation. In practice, the challenges posed by the application of these principles in forensic settings are far outweighed by the potential benefit. Forensic practice is informed by many specialties. Forensic psychiatrists do not have to complete full training in these disciplines to make use of the knowledge and perspectives they offer. The same may not be true of psychodynamic assessment and formulation. Although much can be learned from supervision, case seminars, conferences, and reading, such knowledge does little to foster awareness of one's unconscious processes that by definition operate outside awareness and thus contribute to the vitiating effect of bias. To date, the only method whereby psychiatrists can effectively come to appreciate their own unconscious processes in action is arguably through their own analysis conducted in the course of training in analysis or psychodynamic psychotherapy. © 2015 American Academy of Psychiatry and the Law.

  18. A systems psychodynamic description of organisational bullying experiences

    Directory of Open Access Journals (Sweden)

    Frans Cilliers

    2012-01-01

    Full Text Available Orientation: Organisational bullying experiences manifest themselves as an intense unconscious systemic dynamic involving the bully, the victim and the organisational culture. The relatedness between the objects is characterised by valences and mutual defence mechanisms such as splitting, projection and projective identification.Research purpose: The purpose of this research was to describe organisational bullying experiences from the system psychodynamic perspective.Motivation for the study: Individual psychology tends to simplify organisational bullying by focussing on the bully’s symptomatic behaviour. Systems psychodynamic thinking focuses on the behavioural dynamics in the relationship between the bully and victim, and the relatedness of both with the organisational system.Research design, approach and method: Qualitative and descriptive research, using six participants as case studies, was undertaken. Data was gathered through Free Association Narrative Interviewing and analysed using discourse analysis.Main findings: Three themes manifested themselves, namely, snakes and hyenas, a complex interconnected dyad, and the institutionalisation of bullying. The research hypothesis integrating these three themes was presented.Practical/managerial implications: In resolving organisational bullying Industrial Organisational psychologists need to pursue this phenomenon not only in terms of its symptoms, but in a holistic, systemic and role related manner addressing all of its parts.Contribution/value-add: The systemic understanding of organisational bullying implies the complexity of studying the behaviour of all parts – the bully, the victim, their dyadic relationship as well as how bullying is institutionalised in the organisational setting, climate and culture.

  19. The systems psychodynamic experiences of organisational transformation amongst support staff

    Directory of Open Access Journals (Sweden)

    Martin Steyn

    2016-04-01

    Full Text Available Orientation: The unconscious impact of organisational transformation is often neglected and even denied. This research revealed the manifestation and impact of high levels and different forms of anxiety experienced by employees during transformation.Research objective: The objective was to study and describe the manifesting systems psychodynamic behaviour amongst support staff during organisational transformation.Motivation for the study: Organisational transformation is mostly researched from a leadership viewpoint. Little research data are available on the experiences of support staff on the receiving end of decisions about and implementation of transformation.Research design, approach and method: A qualitative approach within the phenomenological hermeneutic interpretive stance was used. The research was set in a government organisation. A semi-structured interview with four conveniently and purposefully chosen support staff members was thematically analysed using systems psychodynamics as theoretical paradigm.Main findings: Four themes manifested, namely de-authorisation and detachment, being bullied and seduced by leadership, the organisation in the mind as incompetent, and a dangerous and persecutory system. In the discussion, the basic assumptions and relevant constructs are interpreted.Practical implications: Understanding the transformation experiences of support staff could assist the industrial psychologist to facilitate appropriate support in coaching more junior staff towards increasing wellness and work performance.Contribution: Organisational transformation is highlighted as an anxiety provoking experience especially on the lower levels of the organisation. Its potentially deep and complex psychological impact could possibly derail parts of the system if not managed in a psychologically contained manner.

  20. Eating disorders and attachment: a contemporary psychodynamic perspective.

    Science.gov (United States)

    Tasca, Giorgio A; Balfour, Louise

    2014-06-01

    A contemporary psychodynamic framework can add much to our understanding of eating disorders. Eating disorders are associated with complex comorbidities, high levels of mortality, and therapist countertransferences that can complicate psychological treatments. Mainstream models currently focus on cognitive, biological, or cultural factors to the near exclusion of attachment functioning, and the individual's dynamics. As such, standard models appear to exclude person-centred and developmental considerations when providing treatments. In this article, we describe a contemporary psychodynamic model that understands eating disorder symptoms as a consequence of vulnerability to social pressures to be thin and biological predispositions to body weight. Individual vulnerabilities are rooted in unmet attachment needs causing negative affect, and subsequent maladaptive defenses and eating disorder symptoms as a means of coping. We describe how this model can inform transdiagnostic eating disorder treatment that focuses on symptoms as well as specific attachment functions including: interpersonal style, affect regulation, reflective functioning, and coherence of mind. Two clinical examples are presented to illustrate case formulations and psychological treatments informed by these conceptualizations.

  1. [THE MANIC DEPRESSIVE DISEASE: PSYCHODYNAMICS ASPECTS AND AFFECTIVE SYNTONY].

    Science.gov (United States)

    Widakowich, Christian

    2015-01-01

    In a time when manic-depressive disease became bipolar disorder, and it is conceptualized and treated almost as a fully medical illness, such as epilepsy, we found worth returning to some psychodynamic aspects underlying this condition. Conventionally, we depart from the concept of melancholy, to introduce in a second time, the mania, as a liberating solution of the depression. To Abraham (1912), mania is the liberation from suffering imposed by the reality principle For Freud (1915), mania becomes a leak from the ego face a tyrannical superego (the encounter of ego and the ego ideal). Klein (1934) explains that the mania serves to counter the depressive position and thus avoid the guilt inside of ego. For Racamier (1979), mania is clearly a frantic negation of the anguish and emotional suffering. Today, some authors as Chabot and Husain try to define the manic depression organization, with the help of projective tests. This personality structure would be between psychosis and borderline. An axial element of this structure is the research for an affective symbiosis with each other. These concept, strongly resemble the "syntony", from Bleuler. We trace the evolution of manic depression from a psychodynamic and structural point of view, with particular interesting in the concept of syntony.

  2. Supportive psychodynamic psychotherapy versus treatment as usual for first-episode psychosis

    DEFF Research Database (Denmark)

    Rosenbaum, Bent; Harder, Susanne; Knudsen, Per

    2012-01-01

    During recent decades, the field of treatment of schizophrenia has lacked empirical, systematic outcome studies that support psychodynamic psychotherapy as an evidence-based intervention for patients with schizophrenia. The Danish schizophrenia project (DNS) compared psychodynamic psychotherapy f.......000) and GAF(symptom) (p = 0.010) significantly favored SPP in combination with TaU over TaU alone. In spite of limitations, this study speaks in favor of including supportive psychodynamic psychotherapy in the treatment for patients with schizophrenic first-episode psychoses....

  3. Ultra-early versus early salvage androgen deprivation therapy for post-prostatectomy biochemical recurrence in pT2-4N0M0 prostate cancer.

    Science.gov (United States)

    Taguchi, Satoru; Fukuhara, Hiroshi; Azuma, Takeshi; Suzuki, Motofumi; Fujimura, Tetsuya; Nakagawa, Tohru; Ishikawa, Akira; Kume, Haruki; Igawa, Yasuhiko; Homma, Yukio

    2014-10-16

    The optimal timing of salvage androgen deprivation therapy (ADT) for biochemical recurrence after radical prostatectomy is controversial. We compared the outcomes of ultra-early versus early salvage ADT. Among 855 patients undergoing radical prostatectomy at our institution between 2000 and 2012, we identified 121 with adjuvant-treatment-naïve pT2-4N0M0 prostate cancer who received salvage ADT for biochemical recurrence. These patients were divided into an ultra-early salvage ADT group (n = 51), who started salvage ADT before meeting the standardized definition of biochemical recurrence in Japan (two consecutive prostate-specific antigen [PSA] values ≥0.2 ng/ml), and an early salvage ADT group (n = 70) who started salvage ADT when they met the definition. The ultra-early ADT group consisted of those who started salvage ADT with a single PSA value ≥0.2 ng/ml (n = 30) or with two consecutive PSA values >0.1 ng/ml and rising (n = 21). The primary endpoint was biochemical recurrence after salvage ADT, defined as a single PSA value ≥0.2 ng/ml after PSA nadir following salvage ADT. Secondary endpoints were clinical metastasis and cancer-specific survival. A Cox proportional hazards model was used for multivariate analysis. The median follow-up was 65.5 months. Biochemical recurrence occurred in one patient (2.0%) in the ultra-early group and in 12 (17.1%) in the early salvage ADT group. Multivariate analysis identified ultra-early salvage ADT and preoperative Gleason score ≤7 as independent negative predictors of biochemical recurrence after salvage ADT. Only one patient in the early salvage ADT group developed clinical metastasis to a left supraclavicular lymph node, and no patient died from prostate cancer during follow-up. The major limitations of this study were its retrospective design, selection bias, and the possibility that the ultra-early salvage ADT group may have included patients without biochemical recurrence. Ultra-early salvage ADT

  4. The enduring effects of psychodynamic treatments vis-a-vis alternative treatments: A multilevel longitudinal meta-analysis

    Science.gov (United States)

    Kivlighan, D. Martin, III

    Although evidence suggests that the benefits of psychodynamic treatments are sustained over time, presently it is unclear whether these sustained benefits are superior to non-psychodynamic treatments. Additionally, the extant literature comparing the sustained benefits of psychodynamic treatments compared to alternative treatments is limited with methodological shortcomings. The purpose of the current study was to conduct a rigorous test of the growth of the benefits of psychodynamic treatments relative to alternative treatments across distinct domains of change (i.e., all outcome measures, targeted outcome measures, non-targeted outcome measures, and personality outcome measures). To do so, the study employed strict inclusion criteria to identify randomized clinical trials that directly compared at least one bona fide psychodynamic treatment and one bona fide non-psychodynamic treatment. Hierarchical linear modeling (Raudenbush, Bryk, Cheong & Congdon, du Toit, 2011) was used to longitudinally model the impact of psychodynamic treatments compared to non-psychodynamic treatments at post-treatment and to compare the growth (i.e., slope) of effects beyond treatment completion. Findings from the present meta-analysis indicated that psychodynamic treatments and non-psychodynamic treatments were equally efficacious at post-treatment and at follow-up for combined outcomes ( k = 20), targeted outcomes (k =19), non-targeted outcomes (k =17), and personality outcomes (k =6). Clinical implications, directions for future research, and limitations are discussed.

  5. Assessing psychopathology from a structural perspective: A psychodynamic model.

    Science.gov (United States)

    Trimboli, Frank; Marshall, Rycke L; Keenan, Charles W

    2013-01-01

    This article presents a guide for conceptualizing psychological difficulties across the broad spectrum of personality and symptom disorders. A psychodynamic model is used to organize these disorders along a structural continuum of severity. The authors propose that seven key indices of personality functioning be evaluated: cognition, affect, self-object relations, interpersonal relations, defenses, superego functioning, and primary dynamics. The results are then employed to determine where the patient should be placed along a continuum of nine diagnostic categories of ego development and their associated disorders. These include "normal," neurotic trait, and neurotic symptom organization; high-, mid-, and low-level borderline organization; and affective, cognitive-affective, and cognitive psychotic organization. An accurate evaluation of the seven variables will permit a more precise formulation of the nature and severity of the patient's difficulties, which will hopefully result in more accurate and appropriate treatment planning. Examples of the application of this model to a common symptom complaint are provided.

  6. [Psychodynamic consequences of a family history with psychiatric disorders].

    Science.gov (United States)

    Bouwkamp, C G; den Berg, M P Lambregtse-Van; Kievit, A J A; Kushner, S A

    A positive family history for psychiatric disorders is the most important risk indicator for developing psychopathology. Often, the psychological consequences of a positive family history are insufficiently acknowledged. AIM: To provide insight into the psychodynamics of children who grow up in a family with psychopathology, such as psychosis, to demonstrate how these effects can last a lifetime, and to suggest ways in which such effects might be prevented. METHOD: We review the relevant literature, discuss theoretical concepts, and make clinical recommendations. RESULTS: Parental psychopathology, including psychosis, can have a strong and lasting influence on the child's identity and sense of self. CONCLUSION: A positive family history for psychiatric disorders has the potential to seriously disrupt the normal development of identity and sense of self. Various types of psychosocial interventions might be able to reduce these harmful effects.

  7. Clinical Case Studies in Psychoanalytic and Psychodynamic Treatment

    Science.gov (United States)

    Willemsen, Jochem; Della Rosa, Elena; Kegerreis, Sue

    2017-01-01

    This manuscript provides a review of the clinical case study within the field of psychoanalytic and psychodynamic treatment. The method has been contested for methodological reasons and because it would contribute to theoretical pluralism in the field. We summarize how the case study method is being applied in different schools of psychoanalysis, and we clarify the unique strengths of this method and areas for improvement. Finally, based on the literature and on our own experience with case study research, we come to formulate nine guidelines for future case study authors: (1) basic information to include, (2) clarification of the motivation to select a particular patient, (3) information about informed consent and disguise, (4) patient background and context of referral or self-referral, (5) patient's narrative, therapist's observations and interpretations, (6) interpretative heuristics, (7) reflexivity and counter-transference, (8) leaving room for interpretation, and (9) answering the research question, and comparison with other cases. PMID:28210235

  8. Driven sexual behavior in bipolar spectrum patients: psychodynamic issues.

    Science.gov (United States)

    Downey, Jennifer I

    2011-01-01

    Recent psychiatric attention to the bipolar spectrum conditions (Bipolar I, Bipolar II, and Bipolar NOS Disorders in the DSM-IV-TR) has revealed that many more individuals are affected by bipolar disorder (BD) than was earlier appreciated. Increased sexual thoughts, impulses, and risk-taking sexual behavior are recognized symptoms of the bipolar conditions when individuals are manic or hypomanic. There is little scientific information on the prevalence of symptoms of driven sexuality in individuals with the less severe forms of BD as well as those individuals with severer forms of the disorder who are recovering or have recovered from an episode of mania or hypomania. This article discusses the use of developmentally oriented psychotherapy for an individual with a bipolar spectrum condition whose symptoms were well controlled on medications except for her driven sexuality. Current concepts in psychodynamic psychotherapy offer a way to understand and treat sexual symptoms in many individuals with less severe or partially treated BD.

  9. The relationship between transformational leadership psychodynamic attributes, behaviour and effectiveness: towards authentic leadership

    OpenAIRE

    2012-01-01

    D.Comm. The globalisation of the South African economy since 1994 has emphasised the need for a new form of leadership, with specific emphasis on authentic and transformational leadership. By understanding the psychodynamic aspects that drive the transformational leader organisations will be able to identify and develop transformational leaders. A real need exists to understand the psychodynamic attributes of transformational leaders and how these attributes affect their behaviour and effe...

  10. Physical Therapy and Occupational Therapy in Progeria

    Science.gov (United States)

    Physical Therapy and Occupational Therapy in Progeria Information for Families and Caretakers from The Progeria Research Foundation Written ... accelerated aging in children. Children with Progeria need Physical Therapy (PT) and Occupational Therapy (OT) as often as ...

  11. Do Patient Characteristics Predict Outcome of Psychodynamic Psychotherapy for Social Anxiety Disorder?

    Science.gov (United States)

    Wiltink, Jörg; Hoyer, Jürgen; Beutel, Manfred E.; Ruckes, Christian; Herpertz, Stephan; Joraschky, Peter; Koranyi, Susan; Michal, Matthias; Nolting, Björn; Pöhlmann, Karin; Salzer, Simone; Strauss, Bernhard

    2016-01-01

    Objectives Little is known about patient characteristics as predictors for outcome in manualized short term psychodynamic psychotherapy (PDT). No study has addressed which patient variables predict outcome of PDT for social anxiety disorder. Research Design and Methods In the largest multicenter trial on psychotherapy of social anxiety (SA) to date comparing cognitive therapy, PDT and wait list condition N = 230 patients were assigned to receive PDT, of which N = 166 completed treatment. Treatment outcome was assessed based on diverse parameters such as endstate functioning, remission, response, and drop-out. The relationship between patient characteristics (demographic variables, mental co-morbidity, personality, interpersonal problems) and outcome was analysed using logistic and linear regressions. Results Pre-treatment SA predicted up to 39 percent of variance of outcome. Only few additional baseline characteristics predicted better treatment outcome (namely, lower comorbidity and interpersonal problems) with a limited proportion of incremental variance (5.5 to 10 percent), while, e.g., shame, self-esteem or harm avoidance did not. Conclusions We argue that the central importance of pre-treatment symptom severity for predicting outcomes should advocate alternative treatment strategies (e.g. longer treatments, combination of psychotherapy and medication) in those who are most disturbed. Given the relatively small amount of variance explained by the other patient characteristics, process variables and patient-therapist interaction should additionally be taken into account in future research. Trial Registration Controlled-trials.com/ISRCTN53517394 PMID:26785255

  12. Do Patient Characteristics Predict Outcome of Psychodynamic Psychotherapy for Social Anxiety Disorder?

    Directory of Open Access Journals (Sweden)

    Jörg Wiltink

    Full Text Available Little is known about patient characteristics as predictors for outcome in manualized short term psychodynamic psychotherapy (PDT. No study has addressed which patient variables predict outcome of PDT for social anxiety disorder.In the largest multicenter trial on psychotherapy of social anxiety (SA to date comparing cognitive therapy, PDT and wait list condition N = 230 patients were assigned to receive PDT, of which N = 166 completed treatment. Treatment outcome was assessed based on diverse parameters such as endstate functioning, remission, response, and drop-out. The relationship between patient characteristics (demographic variables, mental co-morbidity, personality, interpersonal problems and outcome was analysed using logistic and linear regressions.Pre-treatment SA predicted up to 39 percent of variance of outcome. Only few additional baseline characteristics predicted better treatment outcome (namely, lower comorbidity and interpersonal problems with a limited proportion of incremental variance (5.5 to 10 percent, while, e.g., shame, self-esteem or harm avoidance did not.We argue that the central importance of pre-treatment symptom severity for predicting outcomes should advocate alternative treatment strategies (e.g. longer treatments, combination of psychotherapy and medication in those who are most disturbed. Given the relatively small amount of variance explained by the other patient characteristics, process variables and patient-therapist interaction should additionally be taken into account in future research.Controlled-trials.com/ISRCTN53517394.

  13. Do Patient Characteristics Predict Outcome of Psychodynamic Psychotherapy for Social Anxiety Disorder?

    Science.gov (United States)

    Wiltink, Jörg; Hoyer, Jürgen; Beutel, Manfred E; Ruckes, Christian; Herpertz, Stephan; Joraschky, Peter; Koranyi, Susan; Michal, Matthias; Nolting, Björn; Pöhlmann, Karin; Salzer, Simone; Strauss, Bernhard; Leibing, Eric; Leichsenring, Falk

    2016-01-01

    Little is known about patient characteristics as predictors for outcome in manualized short term psychodynamic psychotherapy (PDT). No study has addressed which patient variables predict outcome of PDT for social anxiety disorder. In the largest multicenter trial on psychotherapy of social anxiety (SA) to date comparing cognitive therapy, PDT and wait list condition N = 230 patients were assigned to receive PDT, of which N = 166 completed treatment. Treatment outcome was assessed based on diverse parameters such as endstate functioning, remission, response, and drop-out. The relationship between patient characteristics (demographic variables, mental co-morbidity, personality, interpersonal problems) and outcome was analysed using logistic and linear regressions. Pre-treatment SA predicted up to 39 percent of variance of outcome. Only few additional baseline characteristics predicted better treatment outcome (namely, lower comorbidity and interpersonal problems) with a limited proportion of incremental variance (5.5 to 10 percent), while, e.g., shame, self-esteem or harm avoidance did not. We argue that the central importance of pre-treatment symptom severity for predicting outcomes should advocate alternative treatment strategies (e.g. longer treatments, combination of psychotherapy and medication) in those who are most disturbed. Given the relatively small amount of variance explained by the other patient characteristics, process variables and patient-therapist interaction should additionally be taken into account in future research. Controlled-trials.com/ISRCTN53517394.

  14. The systems psychodynamic leadership coaching experiences of nursing managers

    Directory of Open Access Journals (Sweden)

    Landa Terblanche

    2010-03-01

    Full Text Available The mostly linear and mechanistic nature of the nursing manager role is rapidly becoming more dynamic and systemic. The change involves task and people management within a constantly changing organisational identity, taking up multiple leadership roles, having to authorise oneself and others in a complex matrix system, and managing conscious and unconscious psychological boundaries within and between conflicting systems. The aim of this study was to describe the systems psychodynamic learning experiences of nursing managers during leadership coaching. The coaching task was to provide learning opportunities to the individual leader, towards gaining insight into conscious and unconscious leadership dynamics in terms of anxiety, task, role, authorisation, boundaries and identity. A qualitative research design was used. Six nursing managers attended ten leadership coaching sessions over ten weeks. Field notes and reflective essays were analysed using systems psychodynamic discourse analysis. The findings indicated clarity and authorisation in the participants’ primary task and normative roles; anxiety and de-authorisation in their experiential and phenomenal roles; anxiety in boundary management related to the misuse of power by others; and the continuous exploration of their leadership role identity towards achieving integration. Participants’ learning experiences were evaluated in terms of criteria for organisational learning, after which a general hypothesis was formulated.

    Opsomming

    Die meestal liniêre en meganistiese aard van die verpleegbestuursrol is vinnig besig om na ’n meer dinamiese en sistemiese rol te verander. Die verandering behels taak- en mensbestuur binne 'n steeds veranderende organisasie-identiteit, waar 'n verskeidenheid rolle opgeneem word, die self en ander in 'n komplekse matrikssisteem bemagtig word, en waartydens bewuste en onbewuste sielkundige grense in en tussen botsende sisteme bestuur

  15. Clinical Holistic Medicine (Mindful, Short-Term Psychodynamic Psychotherapy Complemented with Bodywork in the Treatment of Experienced Impaired Sexual Functioning

    Directory of Open Access Journals (Sweden)

    Søren Ventegodt

    2007-01-01

    Full Text Available In this clinical follow-up study, we examined the effect of clinical holistic medicine (psychodynamic short-term therapy complemented with bodywork on patients with poor self-assessed sexual functioning and found that this problem could be solved in 41.67% of the patients ((95% CI: 27.61–56.7%; 1.75 < NNT < 3.62, p = 0.05. The bodywork was inspired by the Marion Rosen method and helped the patients to confront painful emotions from childhood trauma(s, and thus accelerated and deepened the therapy. The goal of therapy was the healing of the whole life of the patient through Antonovsky-salutogenesis. In this process, rehabilitation of the character and purpose of life of the patient was essential, and assisted the patient to recover his or her sense of coherence (existential coherence. We conclude that clinical holistic medicine is the treatment of choice if the patient is ready to explore and assume responsibility for his or her existence (true self, and willing to struggle emotionally in the therapy to reach this important goal. When the patient heals existentially, quality of life, health, and ability to function in general are improved at the same time. The therapy was “mindful” in its focus on existential and spiritual issues. The patients received in average 14.8 sessions at the cost of 1,188 EURO.

  16. Leadership Development From A Systems Psychodynamic Consultancy Stance

    Directory of Open Access Journals (Sweden)

    W. J. De Jager

    2003-11-01

    Full Text Available This research aims to measure the impact of a leadership development programme presented from the systems psychodynamic stance. The aim was to develop psychoanalytically informed change leaders to lead change and transformation in the continuously changing and transforming New Economy network organisation. In order to do this, a group relations training programme was presented for 30 leaders. Qualitative assessment using grounded theory during post-intervention focus groups interviewing indicated the group’s awareness of psychodynamic leadership behaviour such as the regression towards frequent pathological leadership personality characteristics, regression towards unconscious group- and organizational processes such as the basic assumption group, the covert coalition and socially structured defense systems against change and transformation. Insight was also gained in the new leadership role and the taking up of personal authority in the network organisation that needs to function as a systemic whole. Limitations in the study are noted and Recommendations are made to enhance change leader skills for leadership in the New Economy network organisation. OpsommingHierdie navorsing poog om die impak van ‘n leierskapsontwikkelingsprogram wat aangebied is vanuit die sistemiese psigodinamiese perspektief, te evalueer. Die doel was om psigoanalitiese ingeligte leiers te ontwikkel om verandering en transformasie in die gedurige veranderende en transformerende Nuwe Ekonomie netwerk organisasie, te lei. Ten einde dit te bolwerk is. ‘n Groep -verhoudinge-opleidingsprogram is aangebied vir 30 leiers. Kwalitatiewe evaluasie deur van begrondingsteorie gebruik te maak gedurende, die post-intervensie fokus groepe het ‘n groepbewustheid aangedui van psigodinamiese leierskapgedrag soos die regressie na dikwelse patologiese leierskapspersoonlikheidskenmerke, regressie in onbewustelike groep- en organisatoriese prosesse soos die basiese aanname-groep, die

  17. Psychosomatic regularities of psychotic disorders of women in involution (pathogenesis, clinics, psychodynamic psychotherapy

    Directory of Open Access Journals (Sweden)

    М. М. Pustovoyt

    2017-08-01

    Full Text Available The problem of psychotic disorders with onset in the age of involution from broader perspective, guided by modern multidimensional paradigm, was never discussed before. Involutional psychosis is considered as a constellation of the biological changes that are irrefutable in this age period. Certain personality traits and coping strategies can be predisposing to psychotic response, as well as typical features of the “life curve” and external stressors that can run a psychotic reaction. The paper presents the result of our study. This study pays much attention to study of premorbid personality, with emphasis on characteristic features, peculiarities of the emotional reaction and motivation-behavioral area, which completely coincided with characteristics of the narcissistic personality disorder listed in DSM-V (2013. Aim: To explore the psychosomatic pathogenetic connections inherent involutionary psychosis, given pathogenic and pathoplastic impact of premorbid personality structure their syndromic form and dynamics, determine their place on the psychosomatic continuum and develop adequate and pathogenetic justified method of therapy. Methods. Data obtained by the clinical method were confirmed by the results of experimental psychological and neuropsychological researches. Results. Clinical characteristics of psychotic disorders in the patient population showed in the structure of psychosis the existence of two oppositely directed continuums: affective (depressive and delusional. This allows to allocate four main clinical forms of psychosis and their tendency to unite in two clusters that differed each other by the features, and also by their response to therapy and, therefore, by the prognosis. Conclusions: The psychodynamic approach to understanding the involutional psychosis, that was introduced by the author, got natural development in the proposed method of treatment that included complex medication and psychotherapy. The schemes of

  18. Continuous passive motion and physical therapy (CPM) versus physical therapy (PT) versus delayed physical therapy (DPT) after surgical release for elbow contractures; a study protocol for a prospective randomized controlled trial

    NARCIS (Netherlands)

    Viveen, Jetske; Doornberg, Job N.; Kodde, Izaak F.; Goossens, Pjotr; Koenraadt, Koen L. M.; The, Bertram; Eygendaal, Denise

    2017-01-01

    The elbow is prone to stiffness after trauma. To regain functional elbow motion several conservative- and surgical treatment options are available. Conservative treatment includes physical therapy, intra-articular injections with corticosteroids and a static progressive or dynamic splinting program.

  19. Treatment resistance and psychodynamic psychiatry: concepts psychiatry needs from psychoanalysis.

    Science.gov (United States)

    Plakun, Eric

    2012-06-01

    Over the last 30 years psychiatry and psychoanalysis have moved in substantially divergent directions. Psychiatry has become rich in methodology but conceptually limited, with a drift toward biological reductionism. Psychoanalysis has remained relatively limited in methodology, but conceptually rich. The rich methodology of psychiatry has led to major contributions in discovering gene by environment interactions, the importance of early adversity, and to recognition of the serious problem posed by treatment resistance. However, psychiatry's biologically reductionistic conceptual focus interferes with the development of a nuanced clinical perspective based on emerging knowledge that might help more treatment resistant patients become treatment responders. This article argues that recognition of the problem of treatment resistance in psychiatry creates a need for it to reconnect with the conceptual richness of psychoanalysis in order to improve patient care. Psychodynamic psychiatry is defined as the relevant intersection of psychiatry and psychoanalysis where this reconnection can occur. I will suggest selected aspects of psychoanalysis that are especially relevant to psychiatry in improving outcomes in work with treatment resistant patients.

  20. A developmental-psychodynamic model for diabetic control.

    Science.gov (United States)

    Viederman, M; Hymowitz, P

    1988-01-01

    This paper elaborates a psychodynamic-developmental model as a framework for understanding the wide range of adaptive and maladaptive responses to the self-care requirements of diabetes. Early life experience participates with other factors in influencing the ease with which diabetics implement diabetic control. This model emphasizes the importance of the mother-child interaction during the second phase of development, the toddler phase, at which time the child begins to establish a sense of autonomy and control over his own body and its functions, with bowel training viewed as a paradigm for body control. It is postulated that certain types of mothers such as controlling-intrusive mothers, overprotective mothers, or guilty, indifferent, or rejecting mothers create problems for the child related to the development of autonomy and the sense of comfortable and pleasurable control over his bodily functions. Conflicts generated during this period are reactivated with the onset of diabetes and lead to difficulty in implementing control. In some situations where conflicts with the caretaker figure were predominantly limited to aspects of control, trusting relations acted as a substrate for change and improvement in control in a supportive medical environment. Specific management recommendations based upon this model are presented.

  1. PT-Symmetric Acoustics

    Directory of Open Access Journals (Sweden)

    Xuefeng Zhu

    2014-09-01

    Full Text Available We introduce here the concept of acoustic parity-time (PT symmetry and demonstrate the extraordinary scattering characteristics of the acoustic PT medium. On the basis of exact calculations, we show how an acoustic PT-symmetric medium can become unidirectionally transparent at given frequencies. Combining such a PT-symmetric medium with transformation acoustics, we design two-dimensional symmetric acoustic cloaks that are unidirectionally invisible in a prescribed direction. Our results open new possibilities for designing functional acoustic devices with directional responses.

  2. Therapists' professional and personal characteristics as predictors of outcome in long-term psychodynamic psychotherapy and psychoanalysis.

    Science.gov (United States)

    Heinonen, E; Knekt, P; Jääskeläinen, T; Lindfors, O

    2014-06-01

    Whether long-term psychodynamic therapy (LPP) and psychoanalysis (PA) differ from each other and require different therapist qualities has been debated extensively, but rarely investigated empirically. In a quasi-experimental design, LPP was provided for 128 and PA for 41 outpatients, aged 20-46 years and suffering from mood or anxiety disorder, with a 5-year follow-up from start of treatment. Therapies were provided by 58 experienced therapists. Therapist characteristics, measured pre-treatment, were assessed with the Development of Psychotherapists Common Core Questionnaire (DPCCQ). General psychiatric symptoms were assessed as the main outcome measure at baseline and yearly after start of treatment with the Symptom Check List, Global Severity Index (SCL-90-GSI). Professionally less affirming and personally more forceful and less aloof therapists predicted less symptoms in PA than in LPP at the end of the follow-up. A faster symptom reduction in LPP was predicted by a more moderate relational style and work experiences of both skillfulness and difficulties, indicating differences between PA and LPP in the therapy process. Results challenge the benefit of a classically "neutral" psychoanalyst in PA. They also indicate closer examinations of therapy processes within and between the two treatments, which may benefit training and supervision of therapists. Copyright © 2013 Elsevier Masson SAS. All rights reserved.

  3. Humanistic therapies versus other psychological therapies for depression

    Science.gov (United States)

    Churchill, Rachel; Davies, Philippa; Caldwell, Deborah; Moore, Theresa HM; Jones, Hannah; Lewis, Glyn; Hunot, Vivien

    2014-01-01

    This is the protocol for a review and there is no abstract. The objectives are as follows: To examine the effectiveness and acceptability of all humanistic therapies compared with all other psychological therapy approaches for acute depression.To examine the effectiveness and acceptability of different humanistic therapy models (person-centred, gestalt, process-experiential, transactional analysis, existential and non-directive therapies) compared with all other psychological therapy approaches for acute depression.To examine the effectiveness and acceptability of all humanistic therapies compared with different psychological therapy approaches (psychodynamic, behavioural, humanistic, integrative, cognitive-behavioural) for acute depression. PMID:25278809

  4. PTH(1-84) Replacement Therapy in Hypoparathyroidism (HypoPT): a Randomized Controlled Trial on Pharmacokinetics and Dynamic effects Following 24 Weeks of treatment

    DEFF Research Database (Denmark)

    Sikjær, Tanja Tvistholm; Amstrup, Anne Kristine; Rolighed, Lars

    In HypoPT, lack of PTH necessitates treatment with calcium and vitamin D analogues in order to avoid hypocalcemia. To study if replacement with the missing hormone possesses advantages, we randomized 62 patients with HypoPT to 24-wks with a daily SC injection in the thigh of PTH(1-84) 100 μg......, reaching a peak level of median 246 (interquartile range (IQR): 181–396) pg/ml at the first time point of measurement (15 min after injection). Thereafter, PTH levels decreased gradually reaching pre-dosing levels after app. 16h, with a plasma t½ of 4.7 (IQR 4.0–5.8)h. PTH caused significant changes...... in the diurnal rhythms of plasma ionized calcium and 1,25(OH)2D levels (Figure), with rising levels reaching a peak app. 8h following the injection. 4 to 12h following injection, asymptomatic hypercalcemia (>1.32 mmol/l) was present in 41% of PTH treated patients. Despite hypercalcemia, renal excretion...

  5. Transfer of manualized Short Term Psychodynamic Psychotherapy (STPP for social phobia into clinical practice: study protocol for a cluster-randomised controlled trial

    Directory of Open Access Journals (Sweden)

    Leweke Frank

    2011-06-01

    Full Text Available Abstract Background Psychodynamic psychotherapy is frequently applied in the treatment of social phobia. Nevertheless, there has been a lack of studies on the transfer of manualized treatments to routine psychodynamic practice. Our study is the first one to examine the effects of additional training in a manualized Short Term Psychodynamic Psychotherapy (STPP procedure on outcome in routine psychotherapy for social phobia. This study is an extension to a large multi-site RCT (N = 512 comparing the efficacy of STPP to Cognitive-Behavioral Therapy (CBT of Social Phobia. Methods/Design The manualized treatment is designed for a time limited approach with 25 individual sessions of STPP over 6 months. Private practitioners will be randomized to training in manualized STPP vs. treatment as usual without a specific training (control condition. We plan to enrol a total of 105 patients (84 completers. Assessments will be conducted before treatment starts, after 8 and 15 weeks, after 25 treatment sessions, at the end of treatment, 6 months and 12 months after termination of treatment. The primary outcome measure is the Liebowitz Social Anxiety Scale. Remission from social phobia is defined scoring with 30 or less points on this scale. Discussion We will investigate how the treatment can be transferred from a controlled trial into the less structured setting of routine clinical care. This question represents Phase IV of psychotherapy research. It combines the benefits of randomized controlled and naturalistic research. The study is genuinely designed to promote faster and more widespread dissemination of effective interventions. It will answer the questions whether manualized STPP can be implemented into routine outpatient care, whether the new methods improve treatment courses and outcomes and whether treatment effects reached in routine psychotherapeutic treatments are comparable to those of the controlled, strictly manualized treatment of the main study

  6. Psychodynamic experience enhances recognition of hidden childhood trauma.

    Directory of Open Access Journals (Sweden)

    David Cohen

    Full Text Available BACKGROUND: Experimental psychology has only recently provided supporting evidence for Freud's and Janet's description of unconscious phenomena. Here, we aimed to assess whether specific abilities, such as personal psychodynamic experience, enhance the ability to recognize unconscious phenomena in peers - in other words, to better detect implicit knowledge related to individual self-experience. METHODOLOGY AND PRINCIPAL FINDINGS: First, we collected 14 videos from seven healthy adults who had experienced a sibling's cancer during childhood and seven matched controls. Subjects and controls were asked to give a 5-minute spontaneous free-associating speech following specific instructions created in order to activate a buffer zone between fantasy and reality. Then, 18 raters (three psychoanalysts, six medical students, three oncologists, three cognitive behavioral therapists and three individuals with the same experience of trauma were randomly shown the videos and asked to blindly classify them according to whether the speaker had a sibling with cancer using a Likert scale. Using a permutation test, we found a significant association between group and recognition score (ANOVA: p = .0006. Psychoanalysts were able to recognize, above chance levels, healthy adults who had experienced sibling cancer during childhood without explicit knowledge of this history (Power = 88%; p = .002. In contrast, medical students, oncologists, cognitive behavioral therapists and individuals who had the same history of a sibling's cancer were unable to do so. CONCLUSION: This experiment supports the view that implicit recognition of a subject's history depends on the rater's specific abilities. In the case of subjects who did have a sibling with cancer during childhood, psychoanalysts appear better able to recognize this particular history.

  7. Prediction and moderation of improvement in cognitive-behavioral and psychodynamic psychotherapy for panic disorder.

    Science.gov (United States)

    Chambless, Dianne L; Milrod, Barbara; Porter, Eliora; Gallop, Robert; McCarthy, Kevin S; Graf, Elizabeth; Rudden, Marie; Sharpless, Brian A; Barber, Jacques P

    2017-08-01

    To identify variables predicting psychotherapy outcome for panic disorder or indicating which of 2 very different forms of psychotherapy-panic-focused psychodynamic psychotherapy (PFPP) or cognitive-behavioral therapy (CBT)-would be more effective for particular patients. Data were from 161 adults participating in a randomized controlled trial (RCT) including these psychotherapies. Patients included 104 women; 118 patients were White, 33 were Black, and 10 were of other races; 24 were Latino(a). Predictors/moderators measured at baseline or by Session 2 of treatment were used to predict change on the Panic Disorder Severity Scale (PDSS). Higher expectancy for treatment gains (Credibility/Expectancy Questionnaire d = -1.05, CI95% [-1.50, -0.60]), and later age of onset (d = -0.65, CI95% [-0.98, -0.32]) were predictive of greater change. Both variables were also significant moderators: patients with low expectancy of improvement improved significantly less in PFPP than their counterparts in CBT, whereas this was not the case for patients with average or high levels of expectancy. When patients had an onset of panic disorder later in life (≥27.5 years old), they fared as well in PFPP as CBT. In contrast, at low and mean levels of onset age, CBT was the more effective treatment. Predictive variables suggest possibly fruitful foci for improvement of treatment outcome. In terms of moderation, CBT was the more consistently effective treatment, but moderators identified some patients who would do as well in PFPP as in CBT, thereby widening empirically supported options for treatment of this disorder. (PsycINFO Database Record (c) 2017 APA, all rights reserved).

  8. The empirical status of psychodynamic psychotherapy - an update: Bambi's alive and kicking.

    Science.gov (United States)

    Leichsenring, Falk; Leweke, Frank; Klein, Susanne; Steinert, Christiane

    2015-01-01

    The Task Force on Promotion and Dissemination of Psychological Procedures proposed rigorous criteria to define empirically supported psychotherapies. According to these criteria, 2 randomized controlled trials (RCTs) showing efficacy are required for a treatment to be designated as 'efficacious' and 1 RCT for a designation as 'possibly efficacious'. Applying these criteria modified by Chambless and Hollon, this article presents an update on the evidence for psychodynamic therapy (PDT) in specific mental disorders. A systematic search was performed using the criteria by Chambless and Hollon for study selection, as follows: (1) RCT of PDT in adults, (2) use of reliable and valid measures for diagnosis and outcome, (3) use of treatment manuals or manual-like guidelines, (4) adult population treated for specific problems and (5) PDT superior to no treatment, placebo or alternative treatment or equivalent to an established treatment. A total of 39 RCTs were included. Following Chambless and Hollon, PDT can presently be designated as efficacious in major depressive disorder (MDD), social anxiety disorder, borderline and heterogeneous personality disorders, somatoform pain disorder, and anorexia nervosa. For MDD, this also applies to the combination with pharmacotherapy. PDT can be considered as possibly efficacious in dysthymia, complicated grief, panic disorder, generalized anxiety disorder, and substance abuse/dependence. Evidence is lacking for obsessive-compulsive, posttraumatic stress, bipolar and schizophrenia spectrum disorder(s). Evidence has emerged that PDT is efficacious or possibly efficacious in a wide range of common mental disorders. Further research is required for those disorders for which sufficient evidence does not yet exist.

  9. Bridging the gap between neuroscientific and psychodynamic models in child and adolescent psychiatry.

    Science.gov (United States)

    Protopopescu, Xenia; Gerber, Andrew J

    2013-01-01

    This article provides a selective review of the neuroscience and child-psychoanalytic literature, focusing on areas of significant overlap and emphasizing comprehensive theories in developmental neuroscience and child psychoanalysis with testable mechanisms of action. Topics include molecular biology and genetics findings relevant to psychotherapy research, neuroimaging findings relevant to psychotherapy, brain regions of interest for psychotherapy, neurobiologic changes caused by psychotherapy, use of neuroimaging to predict treatment outcome, and schemas as a bridging concept between psychodynamic and cognitive neuroscience models. The combined efforts of neuroscientists and psychodynamic clinicians and theorists are needed to unravel the mechanisms of human mental functioning. Copyright © 2013 Elsevier Inc. All rights reserved.

  10. Recent Advances in FePt Nanoparticles for Biomedicine

    Directory of Open Access Journals (Sweden)

    Yujuan Shi

    2015-01-01

    Full Text Available FePt nanoparticles have great potential for biomedical applications due to their superior characteristics, including superparamagnetism, resistance to oxidation, and high chemical stability. The present paper reviews the methods used to prepare FePt nanoparticles, surface modifications, and their applications in the biomedical field, such as biosensing, magnetic resonance imaging (MRI, targeted drug delivery, and therapy.

  11. How to obtain Pt(iv) complexes suitable for conjugation to nanovectors from the oxidation of [PtCl(terpyridine)].

    Science.gov (United States)

    Gabano, E; Perin, E; Fielden, C; Platts, J A; Gallina, A; Rangone, B; Ravera, M

    2017-08-08

    Oxidation of [Pt (II) Cl(terpy)] + (terpy = 2,2':6',2''-terpyridine) has been attempted with several oxidizing agents and under different experimental conditions in order to obtain a Pt(iv) complex suitable for the conjugation to nanovectors to be used in drug delivery targeting for anticancer therapy. The best compromise in terms of yield and purity of the final complex was obtained by microwave-assisted reaction at 70 °C in 50% aqueous H 2 O 2 for 2 h. Under these conditions the quantitative formation of [Pt (IV) Cl(OH) 2 (terpy)] + was observed. The subsequent synthetic steps were, (i) functionalization of [Pt (IV) Cl(OH) 2 (terpy)] + in the axial position with succinic anhydride to obtain [Pt (IV) Cl(OH)(succinato)(terpy)] + and (ii) reaction of the latter with nonporous silica nanoparticles (SNPs) with an external shell containing primary amino groups to obtain a nanovector able to transport the Pt(iv) antitumor prodrug in the form of a conjugate Pt-SNP. Finally, the antiproliferative activity and cell accumulation of [Pt (II) Cl(terpy)] + , [Pt (IV) Cl(OH) 2 (terpy)] + , and the Pt-SNP conjugate were measured on three cancer cell lines. Despite highly effective accumulation of Pt-SNP in cells, a modest increase in activity was observed with respect to the molecular species. Further experiments showed that the Pt-SNP conjugate can release [Pt (II) Cl(terpy)] + upon reduction, but this metabolite may undergo hydrolysis, and the resulting aquo complex could coordinate once again the free amino groups of the SNPs. In the resulting tetraamine form, the Pt(ii) complex conjugated to the SNPs cannot completely perform its antiproliferative activity.

  12. Psychoanalytic/Psychodynamic Psychotherapy for Sexually Abused Children and Adolescents: A Systematic Review

    Science.gov (United States)

    Parker, Ben; Turner, William

    2014-01-01

    Objective: To assess the effectiveness of psychoanalytic/psychodynamic psychotherapy for children and adolescents who have been sexually abused. Method: The Cochrane Collaboration's criteria for data synthesis and study quality assessment were used. Electronic bibliographic databases and web searches were used to identify randomized and…

  13. PT-symmetric strings

    Energy Technology Data Exchange (ETDEWEB)

    Amore, Paolo, E-mail: paolo.amore@gmail.com [Facultad de Ciencias, CUICBAS, Universidad de Colima, Bernal Díaz del Castillo 340, Colima, Colima (Mexico); Fernández, Francisco M., E-mail: fernande@quimica.unlp.edu.ar [INIFTA (UNLP, CCT La Plata-CONICET), División Química Teórica, Diag. 113 y 64 (S/N), Sucursal 4, Casilla de Correo 16, 1900 La Plata (Argentina); Garcia, Javier [INIFTA (UNLP, CCT La Plata-CONICET), División Química Teórica, Diag. 113 y 64 (S/N), Sucursal 4, Casilla de Correo 16, 1900 La Plata (Argentina); Gutierrez, German [Facultad de Ciencias, CUICBAS, Universidad de Colima, Bernal Díaz del Castillo 340, Colima, Colima (Mexico)

    2014-04-15

    We study both analytically and numerically the spectrum of inhomogeneous strings with PT-symmetric density. We discuss an exactly solvable model of PT-symmetric string which is isospectral to the uniform string; for more general strings, we calculate exactly the sum rules Z(p)≡∑{sub n=1}{sup ∞}1/E{sub n}{sup p}, with p=1,2,… and find explicit expressions which can be used to obtain bounds on the lowest eigenvalue. A detailed numerical calculation is carried out for two non-solvable models depending on a parameter, obtaining precise estimates of the critical values where pair of real eigenvalues become complex. -- Highlights: •PT-symmetric Hamiltonians exhibit real eigenvalues when PT symmetry is unbroken. •We study PT-symmetric strings with complex density. •They exhibit regions of unbroken PT symmetry. •We calculate the critical parameters at the boundaries of those regions. •There are exact real sum rules for some particular complex densities.

  14. [Art therapy to support autistic people].

    Science.gov (United States)

    Perron, Lysiane

    2014-01-01

    Art therapy, the result of a psychodynamic approach with mediation, can help autistic children and adults to express themselves and communicate. A one-to-one session gives rise to a therapeutic encounter which uses both analytical and educationaI approaches.

  15. Patients' pre-treatment interpersonal problems as predictors of therapeutic alliance in long-term psychodynamic psychotherapy.

    Science.gov (United States)

    Ollila, Pekka; Knekt, Paul; Heinonen, Erkki; Lindfors, Olavi

    2016-07-30

    Information on how the patient's interpersonal problems predict alliance development during long-term therapy is lacking. The aim of this study was to explore how the patient's pre-treatment interpersonal problems predict the development of alliance in long-term psychotherapy. Altogether 128 adult outpatients experiencing mood or anxiety disorder were assigned to long-term psychodynamic psychotherapy in the Helsinki Psychotherapy Study. The Inventory of Interpersonal Problems (IIP) total score and the eight octant scores, assessed at baseline, were used as predictors. The trajectories of change in patient- and therapist-rated Working Alliance Inventory (WAI) were used as outcome measures at 7, 12, and 36 months of follow-up after baseline. Study of the changes by time showed that the patient-rated alliance was significantly improved by the 36-month follow-up, i.e. the most usual end-point of therapy, in persons with higher pre-treatment level of the IIP total score. Low total IIP score and low to moderate level of hostile type problems showed no slope of improvement of patient-rated alliance during follow-up. The therapist-rated alliance showed a similar course as the patient-rated alliance with the exception of a faster improvement for higher IIP scores. In conclusion, a higher level of patients' interpersonal problems predicted favorable alliance development. Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

  16. PT quantum mechanics.

    Science.gov (United States)

    Bender, Carl M; DeKieviet, Maarten; Klevansky, S P

    2013-04-28

    PT-symmetric quantum mechanics (PTQM) has become a hot area of research and investigation. Since its beginnings in 1998, there have been over 1000 published papers and more than 15 international conferences entirely devoted to this research topic. Originally, PTQM was studied at a highly mathematical level and the techniques of complex variables, asymptotics, differential equations and perturbation theory were used to understand the subtleties associated with the analytic continuation of eigenvalue problems. However, as experiments on PT-symmetric physical systems have been performed, a simple and beautiful physical picture has emerged, and a PT-symmetric system can be understood as one that has a balanced loss and gain. Furthermore, the PT phase transition can now be understood intuitively without resorting to sophisticated mathematics. Research on PTQM is following two different paths: at a fundamental level, physicists are attempting to understand the underlying mathematical structure of these theories with the long-range objective of applying the techniques of PTQM to understanding some of the outstanding problems in physics today, such as the nature of the Higgs particle, the properties of dark matter, the matter-antimatter asymmetry in the universe, neutrino oscillations and the cosmological constant; at an applied level, new kinds of PT-synthetic materials are being developed, and the PT phase transition is being observed in many physical contexts, such as lasers, optical wave guides, microwave cavities, superconducting wires and electronic circuits. The purpose of this Theme Issue is to acquaint the reader with the latest developments in PTQM. The articles in this volume are written in the style of mini-reviews and address diverse areas of the emerging and exciting new area of PT-symmetric quantum mechanics.

  17. Efficacy of an adjunctive brief psychodynamic psychotherapy to usual inpatient treatment of depression: rationale and design of a randomized controlled trial

    Directory of Open Access Journals (Sweden)

    Ambresin Gilles

    2012-10-01

    Full Text Available Abstract Background A few recent studies have found indications of the effectiveness of inpatient psychotherapy for depression, usually of an extended duration. However, there is a lack of controlled studies in this area and to date no study of adequate quality on brief psychodynamic psychotherapy for depression during short inpatient stay exists. The present article describes the protocol of a study that will examine the relative efficacy, the cost-effectiveness and the cost-utility of adding an Inpatient Brief Psychodynamic Psychotherapy to pharmacotherapy and treatment-as-usual for inpatients with unipolar depression. Methods/Design The study is a one-month randomized controlled trial with a two parallel group design and a 12-month naturalistic follow-up. A sample of 130 consecutive adult inpatients with unipolar depression and Montgomery-Asberg Depression Rating Scale score over 18 will be recruited. The study is carried out in the university hospital section for mood disorders in Lausanne, Switzerland. Patients are assessed upon admission, and at 1-, 3- and 12- month follow-ups. Inpatient therapy is a manualized brief intervention, combining the virtues of inpatient setting and of time-limited dynamic therapies (focal orientation, fixed duration, resource-oriented interventions. Treatment-as-usual represents the best level of practice for a minimal treatment condition usually proposed to inpatients. Final analyses will follow an intention–to-treat strategy. Depressive symptomatology is the primary outcome and secondary outcome includes measures of psychiatric symptomatology, psychosocial role functioning, and psychodynamic-emotional functioning. The mediating role of the therapeutic alliance is also examined. Allocation to treatment groups uses a stratified block randomization method with permuted block. To guarantee allocation concealment, randomization is done by an independent researcher. Discussion Despite the large number of studies

  18. [Psychodynamic and forensic approach of constitutional mythomania: a case report].

    Science.gov (United States)

    Ben Thabet, J; Zouari, N; Charfeddine, F; Zouari, L; Maâlej, M

    2012-12-01

    Constitutional mythomania presents several diagnostic, aetiopathogenic and forensic problems for the doctor. We have discussed these aspects through the analysis of a case report. The case report relates to a 43 year-old man, who was subjected to a penal expertise following the emission of cheques without provision. During the examination, he pretended being both a doctor and a lawyer at the same time. He was in charge, among other things, of sale contracts dealing sometimes with high value transactions, obviously without following the required legal procedure. He was pursued subsequently for many other affairs of swindle. Data collected from his medical file indicated that he was the only boy of his family. Since his father had suffered from psychotic episodes, his grandfather had reared him; which he did it in a strictly religious way. He spent his childhood isolated. He was 15 years old when his grandfather died. He had then expressed religious and megalomaniac ideas that had motivated psychiatric management. Later on, he expressed imaginative ideas evoking unsystematized delusion (he pretended to have made a trip to America and to have seen a fish flying and turning into a woman). From a psychodynamic point of view, constitutional mythomania is considered as a borderline personality. It reflects an important narcissisic cleavage. The deceitfulness of the mythomaniac allows him to keep in touch with reality and to avoid mental disintegration. The recognition, by others, of these delusions allows the mythomaniac to have access to his proper level of existence. For a while, to the experts our patient appeared to be suffering from schizophrenia. Therefore, we can apply the Maleval theory to him, which identifies four periods as delusion structuring levels in psychosis : P0 (consequence of the phallic signification deficiency, it includes anxiety, annihilation, perplexity, interrogative attitude), P1 (stage of paranoid delusion), P2 (stage of paranoiac delusion

  19. Psicoterapia psicodinâmica em grupo para fobia social generalizada Psychodynamic group treatment for generalized social phobia

    Directory of Open Access Journals (Sweden)

    Daniela Zippin Knijnik

    2004-06-01

    Full Text Available OBJETIVOS: O objetivo deste estudo é verificar a efetividade do tratamento psicodinâmico em grupo de pacientes com fobia social generalizada. MÉTODOS: 30 pacientes foram incluídos em um estudo randomizado, simples-cego, comparando Terapia Psicodinâmica de Grupo (TPG com um Grupo de Controle Placebo com Credibilidade (CPC. A TPG foi conduzida em 12 sessões de terapia de orientação psicodinâmica em grupo. Os pacientes do grupo controle receberam um pacote de aulas-discussões e tratamento de apoio por 12 semanas, que foi comparado à TPG. Todos os participantes preencheram a Escala de Liebowitz para Ansiedade Social (LSAS, a Escala Hamilton de Ansiedade (HAM-A e a Escala de Impressão Clínica Global (CGI, na entrevista inicial e na 12ª semana de tratamento. Os dados foram analisados com uma ANOVA de medidas repetidas. Pacientes em vigência de tratamento farmacológico ou psicoterápico foram excluídos. RESULTADOS: Ambos os grupos apresentaram melhora na maioria das medidas. Na LSAS, os pacientes da TPG obtiveram melhora superior aos do grupo controle, ao cabo de 12 semanas (F1,28=4.84, p=0.036. Nas medidas basais dos sujeitos que completaram o estudo, não houve diferença entre os grupos em variáveis demográficas e de desfecho. CONCLUSÃO: Neste estudo, a TPG foi superior ao tratamento placebo com credibilidade no tratamento da fobia social generalizada, em um ensaio clínico randomizado, simples-cego, de 12 semanas.OBJECTIVES: The aim of this study is to assess the effectiveness of psychodynamic group therapy in patients with generalized social phobia. METHODS: Thirty patients were included in a randomized single-blind clinical trial comparing psychodynamic group treatment (PGT with a credible placebo control group (CPC. PGT was carried out within a 12-session psychodynamically-oriented group psychotherapy. Control patients received a treatment package of lecture-discussion and support group for 12 weeks which was compared to PGT

  20. The efficacy of long-term psychodynamic psychotherapy, fluoxetine and their combination in the outpatient treatment of depression.

    Science.gov (United States)

    Bastos, Andre Goettems; Guimaraes, Luciano Santos Pinto; Trentini, Clarissa Marceli

    2015-01-01

    There are few randomized controlled trials examining the efficacy of long-term psychodynamic psychotherapy (LTPP) in depression treatment. LTPP was compared with fluoxetine treatment and their combination; 272 depressed patients (aged 26-34, 72% with a first episode of depression) were randomized to receive LTPP (one session/week), fluoxetine treatment (20-60 mg/day) or their combination for 24 months. Beck Depression Inventory (BDI) was the outcome measure. The psychotherapy was not manualized and the treatment took place under real-life conditions in an outpatient psychiatric clinic. Intention-to-treat analyses indicated that all the treatments were associated with significant reductions in the BDI scores (mean reduction of 18.88 BDI points). Furthermore, LTPP and combination therapy were more effective in reducing BDI scores than fluoxetine alone (22.08 and 22.04 vs. 12.53 BDI points). LTPP, pharmacological treatment with fluoxetine and their combination are effective in reducing symptoms of patients with moderate depression. LTPP and combined treatment were more effective compared to fluoxetine alone. These findings have implications for patients with depression who may benefit from long-term psychotherapy or combined treatment, or for depressed patients who do not wish to take medications such as fluoxetine.

  1. A psychodynamic model of behavior after acute central nervous system damage.

    Science.gov (United States)

    Groswasser, Z; Stern, M J

    1998-02-01

    This article describes a conceptual psychodynamic model for understanding the neurobehavioral manifestations of acute central nervous system damage (ACNSD) displayed by patients during the rehabilitation process. According to the proposed model, patientsO behavioral responses are viewed as their only means of emotional expression and therefore may not be considered entirely abnormal when viewed from the perspective of patientsO interpersonal contexts. An improved understanding of the dynamic processes through which recovering patients with ACNSD journey may lead to better interaction between the patient and the therapeutic environment, the interdisciplinary team, and family members. Combining this proposed psychodynamic model with an emerging understanding of the neurobehavioral foundations of aggression and depression may also lead to a more rational approach to intervention with various psychopharmacologic agents. During the rehabilitation process, understanding patients' cognitive deficits, motivational drives, and emotional needs and proper implementation of medical and environmental treatment can ultimately lead to a better psychosocial outcome.

  2. Examining the therapeutic relationship and confronting resistances in psychodynamic psychotherapy: a certified public accountant case.

    Science.gov (United States)

    Manetta, Christopher T; Gentile, Julie P; Gillig, Paulette Marie

    2011-05-01

    Psychodynamic psychotherapy is effective for a variety of mental health symptoms. This form of psychotherapy uses patient self reflection and self examination, as well as the therapeutic relationship between the patient and psychiatrist, to explore maladaptive coping strategies and relationship patterns of the patient. A thorough understanding of resistance and the core conflictual relationship theme afford the psychiatrist the ability to facilitate this work. In this article, the composite case illustrates some of the psychodynamic psychotherapy techniques that can be employed in a psychotherapy case. In this example, the case is about a certified public accountant that came to treatment because of an acute stressor that put her career goals at risk. An acute episode or event can bring to light chronic and ongoing symptoms, which have had a remitting and relapsing course, and leave the patient unable to compensate on his or her own.

  3. Systems psychodynamics: the formative years of an interdisciplinary field at the Tavistock Institute.

    Science.gov (United States)

    Fraher, Amy L

    2004-02-01

    Systems psychodynamics is an interdisciplinary field amalgamating a triad of influences -the practice of psychoanalysis, the theories and methods of the field of group relations, and the task and boundary awareness of open systems perspectives. Although systems psychodynamics is not a new field of study, there has been a general lack of awareness of its roots, how its formative elements have become intertwined over the years, and the role of the Tavistock Institute in developments in the field. This article provides a synthesis of this history and focuses, in particular,on the intellectual foundations of the Tavistock method of working experientially with groups and the application of this method to the study of organizations.

  4. A comparative analysis of the therapeutic focus in cognitive-behavioral and psychodynamic-interpersonal sessions.

    Science.gov (United States)

    Goldfried, M R; Castonguay, L G; Hayes, A M; Drozd, J F; Shapiro, D A

    1997-10-01

    This study compared therapeutic foci in a sampling of 30 cognitive-behavioral and 27 psychodynamic-interpersonal manual-driven treatments for depression. High- and low-impact sessions were coded for each client, with the Coding System of Therapeutic Focus. Results indicated that psychodynamic-interpersonal sessions focused more on such variables as emotion, patterns, incongruities, the impact that others made on clients, clients' expected reaction of others, the tendency to avoid therapeutic progress, therapists themselves, clients' parents, and links between people and time periods in clients' lives. Cognitive-behavioral sessions placed greater emphasis on external circumstances and clients' ability to make decisions, gave more support and information and encouraged between-session experiences, and focused more on the future. Relatively few differences emerged as a function of session impact. Results are discussed in terms of the different and similar theoretical conceptions of the change process.

  5. Christophe Dejours’ psychodynamic theory of work and its implications for leadership

    OpenAIRE

    Dashtipour, Parisa; Vidaillet, Bénédicte

    2016-01-01

    International audience; Psychoanalytic approaches to leadership centre on emotions and the role of the leader as the manager of emotion (Gabriel, 2011). These perspectives have often focused on the dysfunctions of leadership, the way in which leaders contribute to ‘dark’ and unhealthy organizational lives. In contrast to such approaches, in this paper we draw from Christophe Dejours’ psychodynamic theory of work, in order to explore what role leaders could play to facilitate health in organiz...

  6. Change of the model of homosexuality in psychodynamic approach (review of foreign literature references)

    OpenAIRE

    Strokova S.S.

    2013-01-01

    At present homosexuality is not regarded as a mental disorder in contrast to a long period in the past when it was treated as a disease. The majority of psychodynamic approach representatives adhered to the estimation of nontraditional sexual orientation as a psychopathic state. Homosexuality was often viewed as a symptom of a major psychic impairment like confused self-identity, but with time the authors came to a conclusion that homosexuality is an alternative, yet possible type of psychos...

  7. Internet-delivered psychodynamic psychotherapy in the treatment of social anxiety disorder

    OpenAIRE

    Hesslow, Thomas; Nilsson, Maja; Johansson, R.; Färdig, S.; Jansson, A.; Jonsson, L.; Karlsson, J.; Hesser, H.; Ljótsson, B.; Frederick, R.J.; Lilliengren, Peter; Carlbring, Per; Andersson, Gerhard

    2015-01-01

    Social anxiety disorder is one of the most common mental health disorders. Effective treatments exist, but limited access and high costs causes many sufferers to remain untreated. As not all patients accept the CBTmodel of psychopathology, alternative treatments are desirable. We conducted two studies to help establish the efficacy of a psychodynamic model of guided self-help (IPDT). In the first study (N=72) participants were randomized to either ten weeks of IPDT or a waiting list control c...

  8. Facets of Object Representation: Process and Outcome Over the Course of Psychodynamic Psychotherapy.

    Science.gov (United States)

    Mullin, Anthony S J; Hilsenroth, Mark J; Gold, Jerold; Farber, Barry A

    2018-01-01

    This study explores the effectiveness of psychodynamic psychotherapy in improving facets of object relations (OR) functioning over the course of treatment. The sample consisted of 75 outpatients engaged in short-term dynamic psychotherapy at a university-based psychological services clinic. Facets of OR functioning were assessed at pre- and posttreatment by independent raters using the Social Cognition and Object Relations Scale-Global rating method (SCORS-G; Stein, Hilsenroth, Slavin-Mulford, & Pinsker, 2011 ; Westen, 1995 ) from in-session patient relational narratives. The Comparative Psychotherapy Process Scale (CPPS; Hilsenroth, Blagys, Ackerman, Bonge, & Blais, 2005 ) was used to assess therapist activity and psychotherapy techniques early in treatment. Independent clinical ratings of OR functioning and psychotherapy technique were conducted and all were found to be in the good to excellent range of reliability. Specific facets of OR functioning improved with medium to large effect changes posttreatment. These adaptive changes were significantly related to the incidence of psychodynamic-interpersonal (PI) techniques. Also, this study identified the role specific psychodynamic techniques had in facilitating change in a number of underlying dimensions of OR. Patient self-reported reliable change in symptomatology and reliable change in facets of OR were significantly related as well. This study highlights the utility of incorporating psychological assessment into psychotherapy practice to assess change at the explicit (symptoms) and implicit (OR) level. Limitations of this study, future research directions, and implications for clinical practice are discussed.

  9. Games children play: board games in psychodynamic psychotherapy.

    Science.gov (United States)

    Bellinson, Jill

    2013-04-01

    Children of latency age have typically outgrown dramatic play but have not yet developed the ability to talk about their thoughts and feelings in therapy; at this stage they often play structured board games, during their own playtime and during therapy sessions. This article discusses ways to use board-game play therapeutically, by watching the way children stretch and bend the rules to display their psychological self-states, and by interpreting their experiences within the play. Copyright © 2013 Elsevier Inc. All rights reserved.

  10. Psicoterapia psicodinâmica e o tratamento do jogo patológico Psychodynamic psychotherapy and the treatment of pathological gambling

    Directory of Open Access Journals (Sweden)

    Richard J. Rosenthal

    2008-05-01

    ão evitativo de comportamento e defesas psicodinâmicas.OBJECTIVE: The search for empirically based treatments for pathological gambling is in its infancy, with relatively few clinical trials and an absence of naturalistic studies. Treatment retention of gamblers has been a problem; cognitive-behavioral treatment and pharmacotherapy studies report especially high dropout rates. Psychodynamic approaches, with their emphasis on the therapeutic relationship, and the meaning of the patient's self-destructive and seemingly irrational behaviors, and on obstacles to self-forgiveness, might improve outcome. METHOD: After a description of psychodynamic psychotherapy, the literature on both short-term and longer therapies is reviewed regarding their efficacy for a variety of disorders. With regard to pathological gambling, the author summarizes the early (1914-1970 psychoanalytic literature then reviews the more recent psychodynamic psychotherapy literature on pathological gambling. RESULTS: A review of the recent psychodynamic psychotherapy literature on pathological gambling failed to disclose a single randomized controlled study of treatment efficacy or effectiveness. However, there are eight positive outcome studies described as multi-modal eclectic; half of those seem to utilize psychodynamic approaches. Two of the more successful programs are described. CONCLUSIONS: A review of the outcomes literature for psychodynamic psychotherapy demonstrates efficacy for a variety of disorders sufficient to justify a clinical trial for pathological gambling. Short-term psychodynamic psychotherapy, with its focus on core issues, may be particularly applicable to the pathological gambler's need to avoid or escape intolerable affects and problems. Longer therapies may be needed to modify an avoidant coping style and defenses.

  11. Single crystalline PtSi nanowires, PtSi/Si/PtSi nanowire heterostructures, and nanodevices.

    Science.gov (United States)

    Lin, Yung-Chen; Lu, Kuo-Chang; Wu, Wen-Wei; Bai, Jingwei; Chen, Lih J; Tu, K N; Huang, Yu

    2008-03-01

    We report the formation of PtSi nanowires, PtSi/Si/PtSi nanowire heterostructures, and nanodevices from such heterostructures. Scanning electron microscopy studies show that silicon nanowires can be converted into PtSi nanowires through controlled reactions between lithographically defined platinum pads and silicon nanowires. High-resolution transmission electron microscopy studies show that PtSi/Si/PtSi heterostructure has an atomically sharp interface with epitaxial relationships of Si[110]//PtSi[010] and Si(111)//PtSi(101). Electrical measurements show that the pure PtSi nanowires have low resistivities approximately 28.6 microOmega.cm and high breakdown current densities>1x10(8) A/cm2. Furthermore, using single crystal PtSi/Si/PtSi nanowire heterostructures with atomically sharp interfaces, we have fabricated high-performance nanoscale field-effect transistors from intrinsic silicon nanowires, in which the source and drain contacts are defined by the metallic PtSi nanowire regions, and the gate length is defined by the Si nanowire region. Electrical measurements show nearly perfect p-channel enhancement mode transistor behavior with a normalized transconductance of 0.3 mS/microm, field-effect hole mobility of 168 cm2/V.s, and on/off ratio>10(7), demonstrating the best performing device from intrinsic silicon nanowires.

  12. Transfer of manualized Short Term Psychodynamic Psychotherapy (STPP) for social anxiety disorder into clinical practice: results from a cluster-randomised controlled trial.

    Science.gov (United States)

    Wiltink, Jörg; Ruckes, Christian; Hoyer, Jürgen; Leichsenring, Falk; Joraschky, Peter; Leweke, Frank; Pöhlmann, Karin; Beutel, Manfred E

    2017-03-14

    Despite growing evidence for manualized psychodynamic treatments, there is a lack of studies on their transfer to routine practice. This is the first study to examine the effects of an additional training in manualized Short Term Psychodynamic Psychotherapy (STPP) on the outcome in routine psychotherapy for social anxiety disorder (SAD). The study is an extension to a large RCT comparing STPP to Cognitive-Behavioral Therapy of SAD. The manualized treatment was designed for a time limited approach with 25 individual sessions of STPP over 6 months. Private practitioners were randomized to training in manualized STPP (mSTPP) vs. treatment as usual without a specific training (tauSTPP). A total of 109 patients were enrolled (105 started treatment; 75 completed at least 20 treatment sessions). Assessments were conducted pre-treatment, after 8 and 15 weeks, after 25 treatment sessions, at the end of treatment, 6 and 12 months after termination of treatment. Remission as primary outcome was defined by the Liebowitz-Social-Anxiety-Scale (LSAS) score ≤30. Secondary outcomes were response (at least 31% reduction in LSAS), treatment duration and number of sessions, changes in social anxiety (LSAS, SPAI), depression (BDI), clinical global impression (CGI), and quality of life (EQ-5D). Remission rates of mSTPP (9%) resp. tauSTPP (16%) and also response rates of 33% resp. 28% were comparable between the two treatment approaches as well as treatment duration and number of sessions. Most of the within-group differences (baseline to 25 sessions) indicated moderate to large improvements in both treatments; within-group differences from baseline to 12 months follow-up (LSAS, SPAI, BDI, CGI) were large ranging from d = -0.605 to d = -2.937. Benefits of mSTPP were limited to single outcomes. Findings are discussed with regard to implementation and dissemination of empirically validated treatments in psychodynamic training and practice. SAD patients with a high comorbidity

  13. [On the psychodynamics of an adolescent bulimia patient].

    Science.gov (United States)

    Wittenberger, Annegret

    2005-04-01

    The aim is to understand the meaning and significance of the symptoms by means of psychoanalytical theoretical models and to give an insight into the functioning of analytical therapy, using the example of an adolescent bulimia patient. In this therapy, the cause of the bulimic illness is seen as being a failure to build an intrapsychic space, and it is shown how triangulation can be achieved via the three-dimensional analytical relationship. Particular attention is given to the theories of M. Klein and W. R. Bion. The theory of S. Freud is based upon the portrayal of bulimic symptoms as the expression of an intrapsychic conflict. The two models complement each other, leading to a more profound understanding of eating disorders.

  14. College Students' Therapy Preferences: The Role of Psychological Mindedness

    Science.gov (United States)

    Price, Jennifer L.

    2016-01-01

    The current study examined expectations and preferences of psychotherapy approach in 225 college students. Psychodynamic-interpersonal (PI) techniques were generally favored over cognitive-behavioral (CB) techniques both in expectations of what is characteristic of a typical therapy session and perceived helpfulness. There was no difference in…

  15. Schema therapy for aggressive offenders with personality disorders

    NARCIS (Netherlands)

    Keulen-de Vos, M.; Bernstein, D.P.; Arntz, A.; Tafrate, R.C.; Mitchell, D.

    2014-01-01

    Schema therapy (ST) is increasingly used in personality-disordered (PD) patients. ST is an integrative psychotherapy that blends elements of cognitive-behavioral, psychodynamic and experiential approaches. The key concepts in ST are early maladaptive schemas, (dysfunctional) coping styles and schema

  16. The History of Art Therapy at the National Institutes of Health

    Science.gov (United States)

    Robb, Megan

    2012-01-01

    The National Institutes of Health (NIH) Clinical Research Center is a government facility that has a long history of groundbreaking research. Art therapy research began at NIH in 1958 with Hanna Kwiatkowska, whose work contributed to the foundation of art therapy with families, and with Harriet Wadeson, who conducted psychodynamic art therapy…

  17. Psychological experiences in South African society before the 2010 FIFA World Cup from the systems psychodynamic and positive psychology perspectives

    Directory of Open Access Journals (Sweden)

    Pieter Koortzen

    2012-01-01

    Full Text Available Orientation: The researchers conducted a literature review to analyse the assumptions of systems psychodynamics, the Tavistock model of group relations, object relations theory and the most relevant constructs in the systems psychodynamic perspective. They then described the assumptions and most relevant constructs in the positive psychology perspective in order to analyse theoretically the psychological effect of large-scale sports events on a community or country. The objective of the empirical study was to investigate some of the unconscious emotions, fears, anxieties and conflicts (dynamics that prevailed in South Africa before the 2010 Fédération Internationale de Football Association (FIFA World Cup and some of the positive emotional experiences associated with it.Research purpose: The objective of this study was to analyse and describe the psychological experiences of South Africans before the 2010 FIFA World Cup.Research design, approach and method: The researchers conducted the study from the systems psychodynamic and positive psychology perspectives. The study comprised a qualitative, explorative and social phenomenological study. The researchers conducted interviews with a wide range of their colleagues and clients.Main findings: The results seemed to indicate that South Africans had had a number of positive and negative experiences before the 2010 FIFA World Cup.Practical/managerial implications: The researchers presented the findings as a number of systems psychodynamic and positive psychology themes.Contribution/value-add: This study presents original research that contributes valuable new knowledge to the positive psychology and systems psychodynamic perspectives.

  18. Quantum dot photoactivation of Pt(IV) anticancer agents: Evidence of an electron transfer mechanism driven by electronic coupling

    NARCIS (Netherlands)

    Infante, Ivan; Azpiroz, Jon M.; Blanco, Nina Gomez; Ruggiero, Emmanuel; Ugalde, Jesus M.; Mareque-Rivas, Juan C.; Salassa, Luca

    2014-01-01

    Herein we elucidate the mechanism of photoreduction of the Pt(IV) complex cis,cis,trans-[Pt(NH3)2(Cl)2(O2CCH2CH2CO2H)2] (1) into Pt(II) species (among which is cisplatin) by quantum dots (QDs), a process which holds potential for photodynamic therapy. Density functional theory (DFT) and

  19. Interdisciplinary collaboration in music therapy for persons with dementia-in practice and research

    DEFF Research Database (Denmark)

    Ridder, Hanne Mette Ochsner; Coomans, Anke; Stige, Brynjulf

    This contribution aims to give insight in what actually happens in clinical music therapy with people suffering from dementia. Starting from a psychodynamic point of view, the focus is laid on how musical improvisation can contribute to the development of a therapeutic relationship with this spec......This contribution aims to give insight in what actually happens in clinical music therapy with people suffering from dementia. Starting from a psychodynamic point of view, the focus is laid on how musical improvisation can contribute to the development of a therapeutic relationship...

  20. The Autism Psychodynamic Evaluation of Changes (APEC) scale: a reliability and validity study on a newly developed standardized psychodynamic assessment for youth with Pervasive Developmental Disorders.

    Science.gov (United States)

    Haag, Geneviève; Botbol, Michel; Graignic, Rozenn; Perez-Diaz, Fernando; Bronsard, Guillaume; Kermarrec, Solenn; Clement, Marie-Christine; Cukierman, Annick; Druon, Catherine; Duprat, Andrée; Jardin, Françoise; du Chatellier, Anik Maufras; Tricaud, Jacqueline; Urwand, Simone; Guilé, Jean-Marc; Cohen, David; Tordjman, Sylvie

    2010-12-01

    The present study was designed to examine the reliability and validity of the Autism Psychodynamic Evaluation of Changes (APEC) scale, developed to assess the evolution in individuals with autism under treatment. The APEC scale focuses on the key role of impairment in body image construction, which requires cross-modal sensory integration through emotional communication with motor representations. Thus, the body image construction is associated simultaneously with spatial and temporal organization and allows the emergence of self- and others-representations. The use of the APEC scale, with its seven domains (expression of emotion in relationships, eye contact, body image, graphic productions, exploration of space and objects, time perception, and verbal language), underlines the importance in autistic disorder of anxieties related to body and spatial representations, and of impairment in the body ego construction which is closely linked to the emergence of individuation/separation processes. This study was conducted on 73 children and adolescents with autistic disorder. They were recruited in day care facilities where two caregivers independently gave their ratings based on their clinical observation on a daily basis during the same month. Analyses included assessing construct validity through correspondence analyses and inter-rater reliability using kappa coefficients. The APEC scale offers a reliable and validated psychodynamic assessment of interest for professionals (such as child psychiatrists, caregivers, therapists or teachers) and researchers working with children, adolescents and adults with autistic disorder, especially in the follow-up of their evolution. The APEC scale provides an approach at the interface of psychoanalysis and neuroscience, and is also of interest for clinical and developmental psychology. Using the APEC scale in a range of different practical and research settings will foster links between psychoanalytic perspectives and educational

  1. Characterization of azo dyes on Pt and Pt/polyaniline/dispersed Pt electrodes

    Energy Technology Data Exchange (ETDEWEB)

    Molina, J.; Fernandez, J.; Rio, A.I. del; Bonastre, J. [Departamento de Ingenieria Textil y Papelera, EPS de Alcoy, Universitat Politecnica de Valencia, Plaza Ferrandiz y Carbonell s/n, 03801 Alcoy (Spain); Cases, F., E-mail: fjcases@txp.upv.es [Departamento de Ingenieria Textil y Papelera, EPS de Alcoy, Universitat Politecnica de Valencia, Plaza Ferrandiz y Carbonell s/n, 03801 Alcoy (Spain)

    2012-06-15

    The electrochemical characterization of two organic dyes (amaranth and procion orange MX-2R) has been performed on Pt electrodes and Pt electrodes coated with polyaniline and dispersed Pt. Electrodes with different Pt loads have been synthesized and characterized obtaining that a load of 300 {mu}g cm{sup -2} was the optimum one. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) was employed to observe the distribution and morphology of the Pt nanoparticles. The electroactivity of the electrodes has also been characterized by means of scanning electrochemical microscopy (SECM). The chemical characterization of Pt dispersed Pani coated Pt electrodes (Pt-Pani-Pt) was performed by means of X-ray photoelectron spectroscopy (XPS). The electrochemical characterization of the dyes has been performed by means of cyclic voltammetry. Voltammograms have shown that the presence of the dyes diminishes characteristic Pt oxidation and reduction peaks. However, redox processes due to the dyes, appeared in the voltammograms. The different species responsible of these redox processes were generated in the vicinity of the electrode and were not adsorbed on the electrode surface since after stirring, the different redox processes disappeared. Characterization with different scan rates showed that redox processes of both dyes were controlled by diffusion.

  2. Initial and last manifest dream reports of patients in psychodynamic psychotherapy and combined psychotherapy/pharmacotherapy.

    Science.gov (United States)

    Glucksman, Myron L; Kramer, Milton

    2012-12-01

    The initial and last manifest dream reports (MDRs) of 30 patients who had either successfully terminated, or continued to make satisfactory progress at an advanced stage of psychodynamic psychotherapy and combined psychotherapy/pharmacotherapy, were rated according to the following variables: Affect and Affect Valence; Affect Valence of Associations and Direction of Association Themes; Dream Narrative; Psychodynamic Formulation; Transference; and Dream Theme. Similar to previous studies, the initial MDRs contained more negative than positive affect. Conversely, the last MDRs contained more positive than negative affect. Associations to initial MDRs contained more negative affect; on the other hand, associations to last MDRs contained more positive affect. Direction of association themes were more negative in initial MDRs and more positive in last MDRs. Dream narratives were more negative in initial MDRs and more positive in last MDRs. Psychodynamic formulations were more negative in initial MDRs and more positive in last MDRs. Transference was more negative in initial MDRs and more positive in last MDRs. Relational and injury dream themes occurred more frequently than others in both initial and last MDRs. Initial MDRs contained more injury dream themes than last MDRs. The findings of this study demonstrate that there is a correlation between MDR variables and clinical improvement during treatment. The patients in this study were selected by MG, the treating therapist, on the basis of satisfactory progress. The MDRs of patients who failed to progress or did poorly were not discussed in this report. The findings, therefore, must be taken as preliminary and indicate the need for further research on manifest dreams during psychotherapy and combined psychotherapy/pharmacotherapy.

  3. Family therapy

    Directory of Open Access Journals (Sweden)

    Shaikh Altamash

    2013-01-01

    Full Text Available Another major force not letting us succeed in the treatment of diabetes remains right inside the patients home, their family members. Hence, it is important to know the perception of the close family members about this simple and strong tool in diabetes, ′insulin′. The drug is nearing its century, it has not fully being accepted gracefully even in todays electronic savvy society. So, we need to strongly discover the reason for its non-acceptance, while trials are out inventing new drugs. One vital thing that can change this attitude is increasing the understanding of this drug, insulin in depth to close people around the patient, the ′family′. Underestimating family′s perception about disease and treatment for diabetes is detrimental to both diseased and the doctor. This consists of a biopsychosocial model; biological, psychological and social factors. Family forms the most important part of it. The strategies in family therapy include psychodynamic, structural, strategic, and cognitive-behavioral component. Diabetes has and will continue to rise, so will be the treatment options. From the clinicians side its to fix fasting first but from patients its fix family first. Family therapy demonstrates the importance of insulin initiation and maintenance in insulin naive patients, and continuation for others. The specific needs of such patients and their impact on family life are met with family therapy. Who needs family therapy? Benefits of family therapy and a case based approach is covered.

  4. Linguistic measures of the referential process in psychodynamic treatment: the English and Italian versions.

    Science.gov (United States)

    Mariani, Rachele; Maskit, Bernard; Bucci, Wilma; De Coro, Alessandra

    2013-01-01

    The referential process is defined in the context of Bucci's multiple code theory as the process by which nonverbal experience is connected to language. The English computerized measures of the referential process, which have been applied in psychotherapy research, include the Weighted Referential Activity Dictionary (WRAD), and measures of Reflection, Affect and Disfluency. This paper presents the development of the Italian version of the IWRAD by modeling Italian texts scored by judges, and shows the application of the IWRAD and other Italian measures in three psychodynamic treatments evaluated for personality change using the Shedler-Westen Assessment Procedure (SWAP-200). Clinical predictions based on applications of the English measures were supported.

  5. Commentary: toward a psychodynamic understanding of filicide--beyond psychosis and into the heart of darkness.

    Science.gov (United States)

    Papapietro, Daniel J; Barbo, Elizabeth

    2005-01-01

    Much of the literature on filicide explores acute psychosis, sociopathy, or malignant narcissism (psychiatrically ill versus not psychiatrically ill) as primary explanations of why parents kill children. In this issue, Hatters Friedman et al. review the literature on acute psychiatric symptoms in an effort to identify key risk factors for filicide that might have predictive value. In this commentary, we assert the argument that filicide is a complex phenomenon that is the result of more than just psychosis or environmental stressors and that, because not all parents who become psychiatrically ill kill, there may be specific risk factors related to individual underlying psychodynamic conflicts.

  6. Psychodynamic day treatment programme for patients with schizophrenia spectrum disorders: Dynamics and predictors of therapeutic change.

    Science.gov (United States)

    Pec, Ondrej; Bob, Petr; Pec, Jan; Hrubcova, Adela

    2017-09-13

    The purpose of this study was to test whether a psychodynamically based group psychotherapeutic programme might improve symptoms, social functions, or quality of life in patients with schizophrenia spectrum disorders and to investigate factors that might predict clinical improvement or dropouts from the programme. A quantitative prospective cohort study. We have investigated 81 patients with schizophrenia spectrum disorders who participated in a 9-month psychodynamically based psychotherapeutic day programme. The patients were assessed at the beginning and end of the programme, and then at 1-year follow-up. The assessment included psychotic manifestations (HoNOS), quality of life (WHOQOL-BREF), demographic data, and daily doses of medication. 21 patients dropped out from the programme, and 46 patients succeeded in undergoing follow-up assessment. The psychotic manifestations (self-rating version of HoNOS) and quality of life measured with WHOQOL-BREF (domains of social relationships and environment) were significantly improved at the end of the programme and at follow-up. However, the manifestations on the version for external evaluators of HoNOS were improved only at follow-up. Years of psychiatric treatment, number of hospitalizations or suicide attempts, and experience of relationships with a partner were negatively related to clinical improvement, whereas symptom severity, current working, or study activities were related positively. The results show that a group psychodynamic programme may improve the clinical status and quality of life of patients with schizophrenia spectrum disorders. This type of programme is more beneficial for patients with higher pre-treatment symptom severity and the presence of working or study activities. A psychodynamically based group programme improves the clinical status and quality of life in patients with schizophrenia spectrum disorders. Data indicate that changes on the subjective level are detectable by the end of the

  7. Sadism linked to loneliness: psychodynamic dimensions of the sadistic serial killer Jeffrey Dahmer.

    Science.gov (United States)

    Martens, Willem H J

    2011-08-01

    In this article the psychodynamic link between loneliness and sadism is examined on basis of a case report of the sadistic and cannibalistic serial killer Jeffery Dahmer. Envy, shame/rage mechanism, a disturbed oral-sadistic development, castration fear and severe feelings of inferiority, the conviction of being unlovable and unacceptable, need to diminish tension, powerful and sadistic fantasies as a consequence of inadequate and frustrated parenting, and reality distortion appear to be involved in sadistic etiology. © 2011 N.P.A.P.

  8. Exploring the meaning of trauma in the South African Police Service: A systems psychodynamic perspective

    Directory of Open Access Journals (Sweden)

    Marna Young

    2012-01-01

    Full Text Available Orientation: This study explores individual stories of trauma and their dissonance with the official, dominant discourse on trauma in the South African Police Service (SAPS from a systems psychodynamic perspective.Research purpose: The purpose of the research was, firstly, to explore how trauma experienced by South African Police Service members is constructed or ‘talked about’ and made sense of. Questions and issues that are considered relevant to the primary purpose are: which aspects of the working environment do members consider to be the most stressful, traumatic and difficult to cope with, and what is the effect of the change and transition processes on members’ working experiences?Motivation for the study: The authors set out to explore the role of systems psychodynamics in the experience of trauma and stress in the SAPS.Research design, approach and method: Through this qualitative, explorative, social phenomenological study, contributing circumstances and processes are included as additional discourses in an attempt to deepen understanding. The epistemology viewpoint of the study is found in the social constructionism and the data comprise 15 essays by members of the SAPS, all of which have been analysed from the perspective of systems psychodynamics.Main findings: Although the effect of trauma on police officers can never be negated, the way in which they deal with trauma seems to be different from what was initially believed. Further, their experience of stress is not solely the result of traumatic experiences but rather the result of traumatic experiences and systems psychodynamics operating within their organisation – which includes both organisational stressors or dynamics and transformation dynamics.Practical/managerial implications: The history of psychological trauma indicates that constructions of traumatic stress are strongly related to cultural, social and political circumstances. Current psychoanalytic thinking

  9. Interaction among alliance, psychodynamic-interpersonal and cognitive-behavioural techniques in the prediction of post-session change.

    Science.gov (United States)

    Owen, Jesse; Hilsenroth, Mark J; Rodolfa, Emil

    2013-01-01

    The current study examined the interaction of clients' perceptions of the psychodynamic-interpersonal (PI) and cognitive-behavioural (CB) techniques that their therapist utilized in their most recent therapy session and working alliance in the prediction of post-session changes. Seventy-five clients were treated by 25 therapists at a counselling centre in the USA. We posited that alliance would interact with clients' perceptions of their therapists' use of PI and CB techniques in the prediction of post-session changes. The results revealed a three-way interaction between clients' perceptions of the alliance, PI techniques and CB techniques in the prediction of post-session changes. More PI and more CB techniques and more PI but fewer CB techniques were associated with better post-sessions changes in the context of higher alliances. More CB techniques but fewer PI techniques and fewer PI and fewer CB techniques were not significantly associated with post-session changes in the context of higher (or lower) alliances. Clients' perceptions of PI techniques in the context of stronger alliances were most beneficial for post-session outcomes. Thus, a high alliance will likely maximize the impact of PI techniques. Clients who rated their therapist as being relatively inactive reported fewer positive post-session outcomes, suggesting that an idle therapeutic approach is not advantageous. Therapist differences explained two to three times more variation in session outcomes than client ratings of alliance or techniques. Some therapists are better at facilitating positive session outcomes as compared with others, suggesting that a potential key barometer of therapists' effectiveness may be captured by session outcomes. Copyright © 2012 John Wiley & Sons, Ltd.

  10. Clinical Holistic Medicine (Mindful,Short-Term Psychodynamic Psychotherapy Complemented with Bodywork in the Treatment of Experienced Mental Illness

    Directory of Open Access Journals (Sweden)

    Søren Ventegodt

    2007-01-01

    Full Text Available Short-term psychodynamic psychotherapy (STPP complemented with bodywork improved 31 of 54 patients (57.4%, 95% CI: 43.21–70.77% who rated themselves mentally ill before treatment. Calculated from this we find 1.41 500. Of the 54 patients, 40% had already had traditional treatment that did not help them. Bodywork helped the patients to confront repressed painful feelings from childhood and this seemingly accelerated and improved the therapy. The patients received in average 20 sessions over 14 months at a cost of 1600 EURO. For the treatment responders, all measured aspects of life (on a five point Likert Scale improved significantly, simultaneously, and radically: somatic health (from 2.9 to 2.3, self-esteem/relationship to self (from 3.5 to 2.3, relationship to partner (from 4.7 to 2.9 [no partner was rated as “6”], relationship to friends (from 2.5 to 2.0, ability to love (from 3.8 to 2.4, self-assessed sexual ability (from 3.5 to 2.4, self-assessed social ability (from 3.2 to 2.1, self-assessed working ability (from 3.3 to 2.4, and self-assessed quality of life (from 4.0 to 2.3. Quality of life as measured with QOL5 improved (from 3.6 to 2.3 on a scale from 1 to 5; p < 0.001. This general improvement strongly indicated that the patient had healed existentially, i.e., had experienced what Aaron Antonovsky (1923–1994 called “salutogenesis”, defined as the process exactly the opposite of pathogenesis. For the treatment responders, the treatment provided lasting benefits, without the negative side effects of drugs. A lasting, positive effect might also prevent many different types of problems in the future.

  11. Specificity of psychoanalytic hypotheses regarding the onset of adolescent psychoses: an empirical test of a psychodynamic model.

    Science.gov (United States)

    Kutcher, S; Marton, P; Szalai, J; Kennedy, B

    1992-07-01

    The specificity of psychodynamic hypotheses regarding the onset of adolescent psychosis was assessed in a group of rigorously diagnosed psychotic (N = 75) and depressed (N = 53) adolescents. None of the four operationally defined psychodynamic hypotheses purported to be etiologically specific in the onset of adolescent psychotic illness: success and its opportunities; intimacy and its attempts; intent to act autonomously; or involved in insight-oriented psychotherapy was more commonly observed in the psychotic than the depressed group, thereby not supporting the hypotheses. The consequences of this finding are discussed.

  12. Time limited psychodynamic group therapy: Predictors of patients seeking additional treatment

    DEFF Research Database (Denmark)

    Jensen, Hans Henrik; Mortensen, Erik Lykke; Lotz, Martin

    2010-01-01

    for psychological or psychiatric problems; the percentage was 41.6 when further treatment was defined as participating in more than 5 sessions. The majority (94.8 was treated within the public health services. Participation in additional treatment was predicted by improvement on the MCMI Antisocial personality...... disorder scale and a higher SCL-90-R Somatization end-state score. When additional treatment was defined as receiving more than 5 sessions, lack of paid work before treatment (odds ratio 8.0), lack of social network support (odds ratio 2.9), and the Antisocial pre-post difference score (odds ratio 1...

  13. Effectiveness of short-term psychodynamic group therapy in a public outpatient psychotherapy unit

    DEFF Research Database (Denmark)

    Jensen, Hans Henrik; Mortensen, Erik Lykke; Lotz, Martin

    2010-01-01

    ) statistically reliable improvement, and 3) clinical significant change (CSC). METHODS: Pre-post treatment naturalistic design based on 236 outpatients with diagnoses of mood (9.7%), neurotic (50.8%), and personality disorders (39.4%). Symptom change was evaluated on the SCL-90-R Global Severity Index (GSI......) and subscales. Analyses were conducted on the total sample and after exclusion of 32 GSI pre-treatment no-cases. RESULTS: The total sample GSI effect size was 0.74 indicating a moderate to large effect size (ranging from 0.67 in depressed to 0.74 in neurotic and personality disorder patients), which increased...... to 1.02 after exclusion of pre-treatment no-cases (ranging from 0.98 to 1.11 in depressed and personality disorder patients, respectively). However, in the GSI pre-treatment case sample, 43.1% were unchanged or deteriorated, 27% reliably improved and 29.9% obtained CSC status (ranging from 23...

  14. Physical Therapy (For Parents)

    Science.gov (United States)

    ... Staying Safe Videos for Educators Search English Español Physical Therapy KidsHealth / For Parents / Physical Therapy Print en español Terapia física Physical Therapy Basics Doctors often recommend physical therapy (PT) for ...

  15. Pt Skin Versus Pt Skeleton Structures of Pt3Sc as Electrocatalysts for Oxygen Reduction

    DEFF Research Database (Denmark)

    Johansson, Tobias Peter; Ulrikkeholm, Elisabeth Therese; Hernandez-Fernandez, Patricia

    2014-01-01

    In order for low temperature polymer electrolyte membrane fuel cells to become economically viable Pt catalyst loading must be significantly reduced. The cathode of the polymer electrolyte membrane fuel cell, where oxygen reduction takes place, is responsible for the main activity loss. The devel......In order for low temperature polymer electrolyte membrane fuel cells to become economically viable Pt catalyst loading must be significantly reduced. The cathode of the polymer electrolyte membrane fuel cell, where oxygen reduction takes place, is responsible for the main activity loss...... on the polycrystalline Pt3Sc. The reactivity of the overlayer is probed by temperature programmed desorption of CO. The onset of CO desorption is around 130 K lower on UHV annealed Pt3Sc than on Pt(111) and the temperature of the desorption peak maximum at saturation was similar to 50 K lower on UHV annealed Pt3Sc......, relative to Pt(111), consistent with the CO adsorption energies calculated using density functional theory calculations. Exposing the annealed Pt3Sc sample to 200 mbar O2 at room temperature results in similar to 14 % Sc oxide as measured by X-ray photoelectron spectroscopy. Electrochemical testing...

  16. A Neural Systems-Based Neurobiology and Neuropsychiatry Course: Integrating Biology, Psychodynamics, and Psychology in the Psychiatric Curriculum

    Science.gov (United States)

    Lacy, Timothy; Hughes, John D.

    2006-01-01

    Objective: Psychotherapy and biological psychiatry remain divided in psychiatry residency curricula. Behavioral neurobiology and neuropsychiatry provide a systems-level framework that allows teachers to integrate biology, psychodynamics, and psychology. Method: The authors detail the underlying assumptions and outline of a neural systems-based…

  17. Physical therapy and manual physical therapy: Differences in patient characteristics

    NARCIS (Netherlands)

    van Ravensberg, C. D. Dorine; Oostendorp, R.A.B.; van Berkel, Lonneke M.; Scholten-Peeters, G.G.M.; Pool, J.J.M.; Swinkels, Raymond A. H. M.; Huijbregts, Peter A.

    2005-01-01

    This study compared socio-demographic characteristics, health problem characteristics, and primary process data between database samples of patients referred to physical therapy (PT) versus a sample of patients referred to manual physical therapy (MPT) in the Netherlands. Statistical analysis

  18. Physical Therapy and Manual Physical Therapy: Differences in Patient Characteristics.

    NARCIS (Netherlands)

    van Ravensberg, C. D. Dorine; Oostendorp, Rob A B; van Berkel, Lonneke M.; Scholten-Peeters, Gwendolijne G M; Pool, Jan J.M.; Swinkels, Raymond A. H. M.; Huijbregts, Peter A.

    2005-01-01

    This study compared socio-demographic characteristics, health problem characteristics, and primary process data between database samples of patients referred to physical therapy (PT) versus a sample of patients referred to manual physical therapy (MPT) in the Netherlands. Statistical analysis

  19. Physical Therapy and Manual Physical Therapy: Differences in Patient Characteristics

    NARCIS (Netherlands)

    van Ravensberg, C. D. Dorine; Oostendorp, Rob A B; van Berkel, Lonneke M.; Scholten-Peeters, Gwendolijne G. M.; Pool, Jan J.M.; Swinkels, Raymond A. H. M.; Huijbregts, Peter A.

    2005-01-01

    This study compared socio-demographic characteristics, health problem characteristics, and primary process data between database samples of patients referred to physical therapy (PT) versus a sample of patients referred to manual physical therapy (MPT) in the Netherlands. Statistical analysis

  20. Short-Term Group Therapy for Complicated Grief: The Relationship Between Patients' In-Session Reflection and Outcome.

    Science.gov (United States)

    Kealy, David; Sierra-Hernandez, Carlos A; Piper, William E; Joyce, Anthony S; Weideman, Rene; Ogrodniczuk, John S

    2017-01-01

    The objective of the present study was to examine the nature of patients' work in two types of short-term group psychotherapy. The study sought to investigate the relationship between patients' psychodynamic work versus supportive work in group psychotherapy and treatment outcome at termination and at 6-month follow-up. Psychodynamic work refers to reflection regarding intrapsychic motivations, defenses, and relational patterns, and supportive work refers to practical problem solving. Participants were 110 patients who completed two forms of group therapy for complicated grief: interpretive therapy and supportive therapy. Two types of patients' in-session activity-psychodynamic work and supportive work-were rated by group therapists in both treatments. Pre-post and follow-up outcome domains included general symptoms, grief symptoms, and life dissatisfaction/severity of target objectives. There was no significant difference in the nature of patients' therapeutic work between interpretive and supportive groups. Psychodynamic work was associated with pre-post improvement in grief symptoms. Psychodynamic work was also associated with further improvement in grief symptoms at 6-month follow-up, along with improvement in broader symptom domains. Supportive work was not associated with any pre-post or follow-up benefit. The findings provide evidence that psychodynamic work-focused on the development of insight and self-reflection-in group psychotherapy can contribute to further benefit after the completion of treatment. This finding cut across two approaches to short-term group therapy for complicated grief, suggesting that it may reflect a general curative mechanism of group treatments.

  1. The addiction concept and technology: diagnosis, metaphor, or something else? a psychodynamic point of view.

    Science.gov (United States)

    Essig, Todd

    2012-11-01

    Many today suffer from an imbalance between life and life on the screen. When extreme, such as excessive gaming, clinicians retreat to familiar explanations, such as "Internet addiction." But the addiction concept is of limited value, limiting both research and treatment options. This article discusses an alternative. Pathological overuse is seen as a failed solution in which people become entrapped by technology's promise of delivering that which only life can offer, such as the grand adventure simulated in World of Warcraft. A two-part treatment approach of such "simulation entrapment" is described in which both the original problem and the entrapment are treated, the former by traditional psychodynamic psychotherapy and the later by highlighting differences between the technologically mediated experience and traditional experiences of being bodies together. The case of a college student suffering from pathological shame with excessive gaming as the failed solution is offered as an illustration. © 2012 Wiley Periodicals, Inc.

  2. The power of subtle interpersonal hostility in psychodynamic psychotherapy: a speech acts analysis.

    Science.gov (United States)

    Anderson, Timothy; Knobloch-Fedders, Lynne M; Stiles, William B; Ordoñez, Tatiana; Heckman, Bernadette D

    2012-01-01

    This study compared participants' speech acts in low-hostile versus moderate-hostile interpersonal episodes in time-limited psychodynamic psychotherapy. Sixty-two cases from the Vanderbilt II psychotherapy project were categorized as low or moderate in interpersonal hostility based on ratings of interpersonal process using Structural Analysis of Social Behavior (Benjamin, 1996). Representative episodes were coded using a taxonomy of speech acts (Stiles, 1992), and speech acts were compared across low- and moderate-hostile episodes. Therapists in moderate-hostility episodes used more interpretations and edifications, and fewer questions and reflections. Patients in moderate-hostility episodes used more disclosures and fewer edifications. Content coding showed that therapist interpretations with a self/intrapsychic self focus were more characteristic of moderate-hostility than low-hostility episodes, whereas the two types of episodes contained similar levels of interpretations focused on the patient's interpersonal relationships and the therapeutic relationship.

  3. Critique of Sohlberg and Birgegard's (2003) report of persistent complex effects of subliminal psychodynamic activation messages.

    Science.gov (United States)

    Fudin, Robert

    2006-10-01

    Silverman in 1983 held that the unconscious encoding of MOMMY AND I ARE ONE triggers a fantasy of symbiotic union with the good mother of early childhood. In contrast, later Sohlberg and Birgegard contended that MOMMY AND I triggers associations to similarity issues with mother, associations that may be influenced by the words following MOMMY AND I. Although their messages produce, lmost invariably, no reportable sensation, Sohlberg and Birgegard claimed strong evidence for the influence of such messages on perception, motivation, and memory, 10 ays poststimulation and suggestive evidence 4 mo. later. Their findings are not compelling evidence for these claims; and there is no evidence that any result was associated with the unconscious encoding of the psychodynamic meaning of a multiword message.

  4. Psychodynamic change in psychotherapy: cycles of patient-therapist linguistic interactions and interventions.

    Science.gov (United States)

    McCarthy, Kye L; Mergenthaler, Erhard; Schneider, Sven; Grenyer, Brin F S

    2011-11-01

    Psychodynamic change is understood to occur in part through the unique therapeutic relationship developed between therapist and patient, and the subtle cycles of their conversation from relaxed connection to intense experiencing. The Therapeutic Cycles Model (TCM) (Mergenthaler, 1996 ) and Heidelberg Structural Change Scale (HSCS) (OPD Task Force, 2008 ) were used to investigate therapist-patient dynamic processes across 16 sessions of psychotherapy. The TCM identified interventions of the therapist instigating change in emotion-abstraction patterns. Structural personality change was higher in TCM cycles, and differed according to emotion-abstraction patterns. The interventions of the therapist promoted dynamic structural change in the patient. The findings demonstrate for the first time the interconnection between specific types of therapist and patient dialogue that promote deep changes.

  5. Five-Year Follow-Up of Supportive Psychodynamic Psychotherapy in First-Episode Psychosis

    DEFF Research Database (Denmark)

    Harder, Susanne; Køster, Anne; Valbak, Kristian

    2014-01-01

    OBJECTIVES: The long-term outcomes of several approaches to intervention targeting social functioning in schizophrenia are not well documented. Contemporary supportive psychodynamic psychotherapy (SPP) aims to improve social functioning. The aim of the present study was to investigate the long...... up for 5 years (N = 269). The SPP targeted interpersonal relationships, emotion regulation, social cognition, and self-coherence. RESULTS: Significant between-group effects in favor of SPP+ST on social functioning, overall symptoms, and positive psychotic symptoms were found during the period...... of active SPP intervention. These differential effects, however, were not sustained after end of additional SPP at 5-year follow-up. CONCLUSION: The findings are in line with results from other approaches targeting social functioning in schizophrenia and support SPP as a valuable treatment. Further research...

  6. Using Psychodynamic Interaction as a Valuable Source of Information in Social Research

    DEFF Research Database (Denmark)

    Schmidt, Camilla

    2012-01-01

    This article will address the issue of using understandings of psychodynamic interrelations as a means to grasp how social and cultural dynamics are processed individually and collectively in narratives. I apply the two theoretically distinct concepts of inter- and intrasubjectivity to gain insight...... of social education, I demonstrate how the often conflicting demands and expectations are being played out in the interrelational tension between the researcher (myself) and the interviewee or narrator. In a confrontation with "inner" expectations and concerns regarding a future profession and one's ability...... to cope, and the "outer" socially and culturally embedded discourses as they are played out in the objectives of self-development and education, the narrative about a forthcoming internship is filled with tension and contradiction. In this article I will demonstrate how such tensions and contradictions...

  7. Psychodynamics of stress and perceived life stress level at cardio surgical (CAD) patients in/at the Special Hospital for Surgical Diseases “FILIP II”

    OpenAIRE

    Naumoska, Ljubica; Ristovska, Frosina; Dojcinovski, Ilija

    2010-01-01

    The aim of this study is to explore the psychodynamic of stress at CDH patients and the perceived level of life stress events as a risk factor in the development of the stress-related illness (coronary heart disease).

  8. Transference patterns and working alliance during the early phase of psychodynamic psychotherapy

    Directory of Open Access Journals (Sweden)

    Samardžić Ljiljana

    2014-01-01

    Full Text Available Background/Aim. Working alliance, as a collaborative part of the therapeutic relationship has been proven to be one of the most powerful therapeutic factors in psychotherapy in general, regardless many technical differences between numerous psychotherapeutic modalities. On the other hand, transference is the basic concept of psychodynamic psychotherapy, and, according to the psychoanalytic theory and practice, it forms a major part of the therapeutic relationship. The aim of our paper was to determine the differences between the groups of patients with low, middle, and high working alliance scores and the dropout group in transference patterns, sociodemographic and clinical parameters, during the early phase of psychodynamic psychotherapy. Methods. Our sample consisted of 61 non-psychotic patients, randomly selected by the method of consecutive admissions and treated with psychoanalytic psychotherapy in the outpatient clinical setting. The patients were prospectively followed during 5 initial sessions of the therapeutic process. The working alliance inventory and Core conflictual relationship theme method were used for the estimation of working alliance and transference patterns, respectively. According to the Working Alliance Inventory scores, four groups of patients were formed and than compared. Results. Our results show a significant difference between the groups of patients with low, middle, and high working alliance inventory scores and the dropout group on the variable - transference patterns in the therapeutic relationship. Conclusion. Disharmonious transference patterns are more frequent in patients who form poor quality working alliance in the early phase of psychotherapy, or early dropout psychotherapy. It is of great importance to recognize transference patterns of a patient at the beginning of the psychotherapeutic process, because of their potentially harmful influence on the quality of working alliance.

  9. Hypnosis-based psychodynamic treatment in ALS: a longitudinal study on patients and their caregivers.

    Directory of Open Access Journals (Sweden)

    Johann Roland Kleinbub

    2015-06-01

    Full Text Available Background: Evidence of psychological treatment efficacy is strongly needed in ALS, particularly regarding long-term effects.Methods: Fifteen patients participated in a hypnosis treatment and self-hypnosis training protocol after an in-depth psychological and neurological evaluation. Patients’ primary caregivers and 15 one-by-one matched control patients were considered in the study.Measurements of anxiety, depression and quality of life were collected at the baseline, post-treatment, and after 3 and 6 months from the intervention. Bayesian linear mixed-models were used to evaluate the impact of treatment and defense style on patients’ anxiety, depression, quality of life, and functional impairment (ALSFRS-r, as well as on caregivers’ anxiety and depression.Results: The statistical analyses revealed an improvement in psychological variables’ scores immediately after the treatment. Amelioration in patients’ and caregivers’ anxiety as well as caregivers’ depression, were found to persist at 3 and 6 months follow-ups. The observed massive use of primitive defense mechanisms was found to have a reliable and constant buffer effect on psychopathological symptoms in both patients and caregivers. Notably, treated patients decline in ALSFRS-r score was observed to be slower than that of control group’s patients.Discussion: Our brief psychodynamic hypnosis-based treatment showed efficacy both at psychological and physical levels in patients with ALS, and was indirectly associated to long-lasting benefits in caregivers. The implications of peculiar psychodynamic factors and mind-body techniques are discussed. Future directions should be oriented toward a convergence of our results and further psychological interventions, in order to delineate clinical best practices for ALS.

  10. Evaluation of a transdiagnostic psychodynamic online intervention to support return to work: A randomized controlled trial.

    Directory of Open Access Journals (Sweden)

    Rüdiger Zwerenz

    Full Text Available Given their flexibility, online interventions may be useful as an outpatient treatment option to support vocational reintegration after inpatient rehabilitation. To that purpose we devised a transdiagnostic psychodynamic online intervention to facilitate return to work, focusing on interpersonal conflicts at the workplace often responsible for work-related stress.In a randomized controlled trial, we included employed patients from cardiologic, psychosomatic and orthopedic rehabilitation with work-related stress or need for support at intake to inpatient rehabilitation after they had given written consent to take part in the study. Following discharge, maladaptive interpersonal interactions at the workplace were identified via weekly blogs and processed by written therapeutic comments over 12 weeks in the intervention group (IG. The control group (CG received an augmented treatment as usual condition. The main outcome, subjective prognosis of gainful employment (SPE, and secondary outcomes (psychological complaints were assessed by means of online questionnaires before, at the end of aftercare (3 months and at follow-up (12 months. We used ITT analyses controlling for baseline scores and medical group.N = 319 patients were enrolled into IG and N = 345 into CG. 77% of the IG logged in to the webpage (CG 74% and 65% of the IG wrote blogs. Compared to the CG, the IG reported a significantly more positive SPE at follow-up. Measures of depression, anxiety and psychosocial stressors decreased from baseline to follow-up, whereas the corresponding scores increased in the CG. Correspondingly, somatization and psychological quality of life improved in the IG.Psychodynamic online aftercare was effective to enhance subjective prognosis of future employment and improved psychological complaints across a variety of chronic physical and psychological conditions, albeit with small effect sizes.

  11. Hypnosis-based psychodynamic treatment in ALS: a longitudinal study on patients and their caregivers

    Science.gov (United States)

    Kleinbub, Johann R.; Palmieri, Arianna; Broggio, Alice; Pagnini, Francesco; Benelli, Enrico; Sambin, Marco; Sorarù, Gianni

    2015-01-01

    Background: Evidence of psychological treatment efficacy is strongly needed in ALS, particularly regarding long-term effects. Methods: Fifteen patients participated in a hypnosis treatment and self-hypnosis training protocol after an in-depth psychological and neurological evaluation. Patients' primary caregivers and 15 one-by-one matched control patients were considered in the study. Measurements of anxiety, depression and quality of life (QoL) were collected at the baseline, post-treatment, and after 3 and 6 months from the intervention. Bayesian linear mixed-models were used to evaluate the impact of treatment and defense style on patients' anxiety, depression, QoL, and functional impairment (ALSFRS-r), as well as on caregivers' anxiety and depression. Results: The statistical analyses revealed an improvement in psychological variables' scores immediately after the treatment. Amelioration in patients' and caregivers' anxiety as well as caregivers' depression, were found to persist at 3 and 6 months follow-ups. The observed massive use of primitive defense mechanisms was found to have a reliable and constant buffer effect on psychopathological symptoms in both patients and caregivers. Notably, treated patients decline in ALSFRS-r score was observed to be slower than that of control group's patients. Discussion: Our brief psychodynamic hypnosis-based treatment showed efficacy both at psychological and physical levels in patients with ALS, and was indirectly associated to long-lasting benefits in caregivers. The implications of peculiar psychodynamic factors and mind-body techniques are discussed. Future directions should be oriented toward a convergence of our results and further psychological interventions, in order to delineate clinical best practices for ALS. PMID:26136710

  12. Evaluation of a transdiagnostic psychodynamic online intervention to support return to work: A randomized controlled trial.

    Science.gov (United States)

    Zwerenz, Rüdiger; Becker, Jan; Gerzymisch, Katharina; Siepmann, Martin; Holme, Martin; Kiwus, Ulrich; Spörl-Dönch, Sieglinde; Beutel, Manfred E

    2017-01-01

    Given their flexibility, online interventions may be useful as an outpatient treatment option to support vocational reintegration after inpatient rehabilitation. To that purpose we devised a transdiagnostic psychodynamic online intervention to facilitate return to work, focusing on interpersonal conflicts at the workplace often responsible for work-related stress. In a randomized controlled trial, we included employed patients from cardiologic, psychosomatic and orthopedic rehabilitation with work-related stress or need for support at intake to inpatient rehabilitation after they had given written consent to take part in the study. Following discharge, maladaptive interpersonal interactions at the workplace were identified via weekly blogs and processed by written therapeutic comments over 12 weeks in the intervention group (IG). The control group (CG) received an augmented treatment as usual condition. The main outcome, subjective prognosis of gainful employment (SPE), and secondary outcomes (psychological complaints) were assessed by means of online questionnaires before, at the end of aftercare (3 months) and at follow-up (12 months). We used ITT analyses controlling for baseline scores and medical group. N = 319 patients were enrolled into IG and N = 345 into CG. 77% of the IG logged in to the webpage (CG 74%) and 65% of the IG wrote blogs. Compared to the CG, the IG reported a significantly more positive SPE at follow-up. Measures of depression, anxiety and psychosocial stressors decreased from baseline to follow-up, whereas the corresponding scores increased in the CG. Correspondingly, somatization and psychological quality of life improved in the IG. Psychodynamic online aftercare was effective to enhance subjective prognosis of future employment and improved psychological complaints across a variety of chronic physical and psychological conditions, albeit with small effect sizes.

  13. Exploring the development of an organisational culture of control and dependency from a systems psychodynamic perspective

    Directory of Open Access Journals (Sweden)

    René van Eeden

    2010-03-01

    Full Text Available Orientation: Globalisation and accelerating rates of change characterise the work environment.Research purpose: The aim of this research was to study the impact of the change process at a plant of a South African production company.Motivations for the study: Problems were experienced in terms of production and a need for transformation at different levels was expressed. Co-dependence in the environment necessitated exploration of intra-organisational dynamics.Research design, approach and method: The study focused on the management team at a specifc plant, but by applying the systems psychodynamic perspective it was possible to also explore the mutual effect of relationships with other systems in the organisation, the company as a whole and the environment. Respondents included the directors of manufacturing and of human resources, the general manager, an 11-member management team and staff representatives. Semi-structured one-to-one interviews, group interviews and a group consultation session were held.Main findings: Hypotheses were formulated regarding the change experienced in the company, the overemphasis of control in the various systems, efforts to move from dependency to interdependence, personal authority as a requirement for interdependent functioning and problems with interrelatedness.Practical/managerial implications: The study illustrates the application of the systems psychodynamic approach in exploring the interaction between and mutual infuence of various organisational systems, especially in times of change.Contribution/value add: At a broader level, the study contributes to the understanding of the application of the theory as well as suggesting the use of a methodology. Recommendations for an intervention of this nature were also made.

  14. Short-term psychodynamic psychotherapy: review of recent process and outcome studies.

    Science.gov (United States)

    Lewis, Andrew J; Dennerstein, Michelle; Gibbs, Petah M

    2008-06-01

    Short-term psychodynamic psychotherapy (STPP) is a widely practised form of psychological intervention. Given that the Roth and Fonagy (1996) review concluded that there was a lack of confirming evidence for STPP, the current review is focused on studies published between 1996 and 2006 that evaluate the efficacy of STPP. As a result of a systematic literature review, 18 studies were found that met inclusion criteria consistent with those used by Roth and Fonagy (1996) for selection of studies, patient groupings and definition of therapeutic method. In general these studies add to an increasing body of evidence suggesting that STPP can be an effective psychological treatment for individuals experiencing mental health problems. Specifically, for depression STPP can be equal in effects to other psychological treatments and is significantly better than no treatment in the short term. Furthermore, emerging process data indicate that there is a significant relationship between the use of specific psychodynamic therapeutic techniques and the alleviation of depressive symptoms. Increasing evidence has emerged to support STPP as a treatment for generalized anxiety disorder, panic disorder and some personality disorders. There remains limited evidence for the use of STPP treatment for patients with anxiety disorders that relate more to stress. Very limited and inconclusive evidence currently exists to support STPP as a treatment for bipolar disorder, eating disorders and drug dependency. Future research needs to include broader assessment measures, long-term follow up, studies that maintain an identifiable focus, and research that includes a focus on psychotherapy process variables as they interact with outcomes.

  15. Pt/C Fuel Cell Catalyst Degradation

    DEFF Research Database (Denmark)

    Zana, Alessandro

    This thesis investigates the degradation behavior of Pt/C catalysts under simulated automotive conditions. By using the “tool box” synthesis method the Pt loading has been changed from low to high Pt loadings, therefore permitting to study the role of Pt on the degradation of high surface area (H...

  16. Long-term course in female survivors of childhood abuse after psychodynamically oriented, trauma-specific inpatient treatment: a naturalistic two-year follow-up.

    Science.gov (United States)

    Lampe, Astrid; Hofmann, Peter; Gast, Ursula; Reddemann, Luise; Schüßler, Gerhard

    2014-01-01

    This study examined the long-term course of 43 female survivors of childhood abuse after receiving inpatient treatment based on psychodynamic-orientated trauma therapy. Data on symptom load was assessed at admission, discharge and two-year follow-up. Further information on post-discharge treatment and life events in the follow-up period was collected. At two-year follow-up global symptom load (GSI), PTSD, depression (d = 0.43-0.57) and self-soothing ability (d = 0.72) were significantly improved compared to the admission status with no change in dissociative symptoms. 40% of the sample showed good long-term outcome (clinical significant change, GSI) with a significant reduction in depressive, dissociative and by trend in PTSD symptoms. There were no group differences in the amount of stressful life-events and treatment in the follow-up period. Patients with good outcome showed more previous inpatient treatment. Inpatient treatment leads to a significant symptom reduction in women with severe childhood abuse. The treatment effects remain stable for two years under further outpatient psychotherapy.

  17. Unique and shared techniques in cognitive-behavioural and short-term psychodynamic psychotherapy: a content analysis of randomised trials on depression

    Science.gov (United States)

    Barth, Jürgen; Michlig, Nadja; Munder, Thomas

    2014-01-01

    Randomised controlled trials (RCTs) of psychotherapeutic interventions assume that specific techniques are used in treatments, which are responsible for changes in the client's symptoms. This assumption also holds true for meta-analyses, where evidence for specific interventions and techniques is compiled. However, it has also been argued that different treatments share important techniques and that an upcoming consensus about useful treatment strategies is leading to a greater integration of treatments. This makes assumptions about the effectiveness of specific interventions ingredients questionable if the shared (common) techniques are more often used in interventions than are the unique techniques. This study investigated the unique or shared techniques in RCTs of cognitive-behavioural therapy (CBT) and short-term psychodynamic psychotherapy (STPP). Psychotherapeutic techniques were coded from 42 masked treatment descriptions of RCTs in the field of depression (1979–2010). CBT techniques were often used in studies identified as either CBT or STPP. However, STPP techniques were only used in STPP-identified studies. Empirical clustering of treatment descriptions did not confirm the original distinction of CBT versus STPP, but instead showed substantial heterogeneity within both approaches. Extraction of psychotherapeutic techniques from the treatment descriptions is feasible and could be used as a content-based approach to classify treatments in systematic reviews and meta-analyses. PMID:25750827

  18. Pt···Pt vs Pt···S contacts between Pt-containing heterobimetallic lantern complexes.

    Science.gov (United States)

    Baddour, Frederick G; Fiedler, Stephanie R; Shores, Matthew P; Bacon, Jeffrey W; Golen, James A; Rheingold, Arnold L; Doerrer, Linda H

    2013-12-02

    A trio of Pt-based heterobimetallic lantern complexes of the form [(py)PtM(SAc)4(py)] (M = Co, 1; Ni, 2; Zn, 3) with unusual octahedral coordination of Pt(II) was prepared from a reaction of [PtM(SAc)4] with excess pyridine. These dipyridine lantern complexes could be converted to monopyridine derivatives with gentle heat to give the series [PtM(SAc)4(py)] (M = Co, 4; Ni, 5; Zn, 6). An additional family of the form [PtM(SAc)4(pyNH2)] (M = Co, 7; Ni, 8; Zn, 9) was synthesized from reaction of [PtM(SAc)4(OH2)] or [PtM(SAc)4] with 4-aminopyridine. Dimethylsulfoxide and N,N-dimethylformamide were also determined to react with [PtM(SAc)4] (M = Co, Ni), respectively, to give [PtCo(SAc)4(DMSO)](DMSO), 10, and [PtNi(SAc)4(DMF)](DMF), 11. Structural and magnetic data for these compounds and those for two other previously published families, [PtM(tba)4(OH2)] and [PtM(SAc)4(L)], L = OH2, pyNO2, are used to divide the structures among three distinct categories based on Pt···Pt and Pt···S distances. In general, the weaker donors H2O and pyNO2 seem to favor metallophilicity and antiferromagnetic coupling between 3d metal centers. When Pt···S interactions are favored over Pt···Pt ones, no coupling is observed and the pKa of the pyridine donor correlates with the interlantern S···S distance. UV-vis-NIR electronic and (1)H NMR spectra provide complementary characterization as well.

  19. Introduction to Equine Physical Therapy and Rehabilitation.

    Science.gov (United States)

    McGowan, Catherine M; Cottriall, Suzanne

    2016-04-01

    Physical therapy (physiotherapy, or PT) can be broadly defined as the restoration of movement and function and includes assessment, treatment, and rehabilitation. This review outlines the history, definition, and regulation of PT, followed by the core scientific principles of PT. Because musculoskeletal physiotherapy is the predominant subdiscipline in equine PT, encompassing poor performance, back pain syndromes, other musculoskeletal disorders, and some neuromuscular disorders, the sciences of functional biomechanics, neuromotor control, and the sensorimotor system in the spine, pelvis, and peripheral joints are reviewed. Equine PT also may involve PT assessment and treatment of riders. Copyright © 2016 Elsevier Inc. All rights reserved.

  20. A neural systems-based neurobiology and neuropsychiatry course: integrating biology, psychodynamics, and psychology in the psychiatric curriculum.

    Science.gov (United States)

    Lacy, Timothy; Hughes, John D

    2006-01-01

    Psychotherapy and biological psychiatry remain divided in psychiatry residency curricula. Behavioral neurobiology and neuropsychiatry provide a systems-level framework that allows teachers to integrate biology, psychodynamics, and psychology. The authors detail the underlying assumptions and outline of a neural systems-based neuroscience course they teach at the National Capital Consortium Psychiatry Residency Program. They review course assessment reports and classroom observations. Self-report measures and teacher observations are encouraging. By the end of the course, residents are able to discuss both neurobiological and psychodynamic/psychological concepts of distributed biological neural networks. They verbalize an understanding that psychology is biology, that any distinction is artificial, and that both are valuable. A neuroscience curriculum founded on the underlying principles of behavioral neurobiology and neuropsychiatry is inherently anti-reductionistic and facilitates the acquisition of detailed information as well as critical thinking and cross-disciplinary correlations with psychological theories and psychotherapy.

  1. [The Psychoanalytic-interactional Method (PIM): A Psychodynamic Treatment for Adolescents with Severe Disorders of Personality Functioning].

    Science.gov (United States)

    Cropp, Carola

    2017-07-01

    The Psychoanalytic-interactional Method (PIM): A Psychodynamic Treatment for Adolescents with Severe Disorders of Personality Functioning The psychoanalytic-interactional method (PIM) was developed as a psychodynamic treatment for adult patients with severe disorders of personality functioning (Streeck u. Leichsenring, 2015). However, it is also well suited for the treatment of adolescent patients because its techniques fit with specific conditions of adolescence. A modified version of the PIM for adolescents (Streeck-Fischer, Cropp, Streeck, Salzer, 2016) has proven to be efficacious. The paper describes the basic principles of the PIM and names aspects that have to be taken into account in the treatment of adolescents with severe disorders of personality functioning. Finally, previous empirical results regarding the PIM treatment in adolescence are presented.

  2. Efficacy of psychodynamic short-term psychotherapy for depressed breast cancer patients: study protocol for a randomized controlled trial

    Directory of Open Access Journals (Sweden)

    Zwerenz Rüdiger

    2012-12-01

    Full Text Available Abstract Background There is a lack of psychotherapeutic trials of treatments of comorbid depression in cancer patients. Our study determines the efficacy of a manualized short-term psychodynamic psychotherapy and predictors of outcome by personality and quality of the therapeutic relationship. Methods/design Eligible breast cancer patients with comorbid depression are assigned to short-term psychodynamic psychotherapy (up to 20 + 5 sessions or to treatment as usual (augmented by recommendation for counseling center and physician information. We plan to recruit a total of 180 patients (90 per arm in two centers. Assessments are conducted pretreatment, after 6 (treatment termination and 12 months (follow-up. The primary outcome measures are reduction of the depression score in the Hospital Anxiety and Depression Scale and remission of depression as assessed by means of the Structured Clinical Interview for DSM IV Disorders by independent, blinded assessors at treatment termination. Secondary outcomes refer to quality of life. Discussion We investigate the efficacy of short-term psychodynamic psychotherapy in acute care and we aim to identify predictors for acceptance and success of treatment. Trial registration ISRCTN96793588

  3. Clinical Holistic Medicine (Mindful, Short-Term Psychodynamic Psychotherapy Complemented with Bodywork Improves Quality of Life, Health, and Ability by Induction of Antonovsky-Salutogenesis

    Directory of Open Access Journals (Sweden)

    Søren Ventegodt

    2007-01-01

    Full Text Available We had a success rate of treating low, self-assessed, global quality of life (measured by QOL1: How would you assess the quality of your life now? with clinical holistic medicine of 56.4% (95% CI: 42.3–69.7% and calculated from this the Number Needed to Treat (NNT as 1.43–2.36. We found that during treatment, (in average 20 sessions of psychodynamic psychotherapy complemented with bodywork at a cost of 1600 EURO, the patients entered a state of Antonovsky-salutogenesis (holistic, existential healing, which also improved their self-assessed health and general ability one whole step up a 5-point Likert Scale. The treatment responders radically improved their self-assessed physical health (0.6 step, self-assessed mental health (1.6 step, their relation to self (1.2 step, friends (0.3 step, and partner (2.1 step on a 6-step scale, and their ability to love (1.2 step and work (0.8 step, and to function socially (1.0 step and sexually (0.8 step. It seems that treatment with clinical holistic medicine is the cure of choice when the patients (1 present the triad of low quality of life, poor self-assessed physical and/or mental health, and poor ability to function; and (2 are willing to suffer during the therapy by confronting and integrating old emotional problems and trauma(s from the past. For these patients, the treatment provided lasting benefits, without the negative side effects of drugs. A lasting, positive effect might also prevent many different types of problems in the future. The therapy was “mindful” in its focus on existential and spiritual issues.

  4. Production of the therapeutic radionuclides 193mPt and 195mPt with high specific activity via alpha-particle-induced reactions on 192Os.

    Science.gov (United States)

    Hilgers, K; Coenen, H H; Qaim, S M

    2008-04-01

    For the production of therapy-relevant radionuclides (193m)Pt (T(1/2)=4.33 d) and (195m)Pt (T(1/2)=4.03 d) with a high specific activity, the (192)Os(alpha,n)(195m)Pt and (192)Os(alpha,3n)(193m)Pt nuclear reactions were investigated for the first time from their respective thresholds up to 28 MeV. Thin samples of enriched (192)Os were prepared by electrodeposition on Ni, and the conventional stacked-foil technique was used for cross-section measurements. The calculated thick target yields were found to be 0.013 MBq/microA h for the (192)Os(alpha,n)(195m)Pt reaction in the energy range of E(alpha)=24-->18 MeV, and 0.25 MBq/microA h for the (192)Os(alpha,3n)(193m)Pt reaction in the energy range of E(alpha)=28-->24 MeV. The two radionuclides could not be detected in the interactions of (3)He particles with (192)Os. A production method involving high-current alpha-particle irradiation of enriched (192)Os and efficient chemical separation of radioplatinum was developed. Batch yields of about 1 MBq (195m)Pt and 8.7 MBq (193m)Pt were achieved. Compared to the reactor production these batch yields are very low, but the (192)Os(alpha,n)(195m)Pt and (192)Os(alpha,3n)(193m)Pt reactions are superior with respect to the specific activity of the products which is higher by two orders of magnitude.

  5. Psychosocial intervention as the additional therapy for bipolar affective disorder: a case report.

    Science.gov (United States)

    Britvić, Dolores; Lapenda, Branka; Anticević, Vesna; Kekez, Vesna

    2009-03-01

    Psychosocial interventions have been shown to enhance pharmacotherapy outcomes in bipolar affective disorder (BAD). This article describes an application of psychosocial intervention as the additional therapy for BAD. In this case report we present the course of illness, psychological features and specific chronic stress of a patient with BAD. Following the recent guidelines, we applied the pharmacotherapy together with an adjuvant psychosocial treatment (psycho-education, supportive and psychodynamic therapy). Psycho-education was used to inform patient and family members about the disorder, course of illness and treatment. Supportive therapy helped the patient to deal with her illness and deepened her understanding of her present problems. Psychodynamic psychotherapy was used to examine the meanings of unconscious conflicts and the ways the stressor activates the patient's deeply repressed traumatic experiences. This case study indicates that psychosocial treatment applied as adjuvant therapy of pharmacotherapy in the treatment of BAD may result in symptom remission, improvement of life quality and illness relapse prevention.

  6. Transference and counter-transference in systems psychodynamic group process consultation: The consultant’s experience

    Directory of Open Access Journals (Sweden)

    F. Cilliers

    2004-10-01

    Full Text Available This study explored consultants’ experiences of transference and counter-transference when conducting group relations training from the systems psychodynamic stance. A phenomenological research design was used with semistructured interviews conducted on a purposive sample of 13 organisational development consultants in a financial institution. The data was analysed by means of content analysis. The results showed that consultants have varied receptiveness in terms of receiving projections and managing transference. These differences involve triggers, characteristics and systemic valence. The consultants experienced counter- transference on five different cognitive and emotional levels. Distinguishing between personal and group emotions, receiving projections and managing transference, all contribute to the complexity of organisational consulting. Opsomming Hierdie studie het ondersoek ingestel na konsultante se ervarings van oordrag en teen-oordrag tydens groepverhoudingsopleiding vanuit die sistemiese psigodinamiese posisie. ’n Fenomenologiese navorsingsontwerp is gebruik met semi-gestruktureerde onderhoude gevoer met ’n doelgerigte steekproef van 13 organisasie ontwikkelingskonsultante in ’n finansiële instelling. Die data is ontleed deur middel van inhoudsontleding. Die resultate het aangetoon dat konsultante uiteenlopende ontvanklikheid het wat betref die ontvangs van projeksies en die hantering van oordrag. Hierdie verskille behels snellers, kenmerke en sistemiese valensie. Die konsultante het teen-oordrag ervaar op vyf verskillende kognitiewe and emosionele vlakke. Om onderskeid te tref tussen persoonlike en groep-emosies, die ontvang van projeksies en die hantering van oordrag, dra alles by tot die kompleksiteit van konsultering.

  7. Leader and team behaviour during organisational change: A systems psychodynamic stance

    Directory of Open Access Journals (Sweden)

    Frans Cilliers

    2006-01-01

    Full Text Available The aim of this research was to explore the dynamic nature of leader and team behaviour during organizational change, using five different organisational constellations or neurotic personality styles, namely the paranoid, schizoid, depressive, compulsive and histrionic styles. Qualitative research was conducted, comprising of two focus groups with eight psychologists consulting regularly to organisational change. The data was content analysed and interpreted from the systems psychodynamic stance. Each style’s leader and team behavioural manifestations are discussed. The findings and recommendations can be used by consulting psychologists towards understanding and implementing organisational change dynamics. Opsomming Die doel van hierdie navorsing was om die dinamiese aard van leier- en spangedrag tydens organisasieverandering te eksploreer, deur gebruik te maak van vyf verskillende organisasie konstelasies of neurotiese persoonlikheids style, naamlik die paranoide, skisoide, depressiewe, kompulsiewe en histrioniese style. Kwalitatiewe navorsing is uitgevoer, bestaande uit twee fokusgroepe met agt sielkundiges wat gereeld konsulteer in die veld van organisasieverandering. Die data is aan inhoudsanalise onderwerp en geinterpreteer vanuit die sisteem-psigodinamiese benadering. Elke styl se leier en span gedrag word bespreek. Die bevindinge en aanbevelings kan gebruik word deur sielkundiges in konsultasies ten einde organisasieveranderingsdinamika te verstaan en te implementeer.

  8. Using Psychodynamic Interaction as a Valuable Source of Information in Social Research

    Directory of Open Access Journals (Sweden)

    Camilla Schmidt

    2012-11-01

    Full Text Available This article will address the issue of using understandings of psychodynamic interrelations as a means to grasp how social and cultural dynamics are processed individually and collectively in narratives. I apply the two theoretically distinct concepts of inter- and intrasubjectivity to gain insight into how social and cultural dynamics are processed as subjective experiences and reflected in the interrelational space created in narrative interviews with trainee social educators. By using a combination of interactionist theory and psychosocial theory in the analysis of an interview with a student of social education, I demonstrate how the often conflicting demands and expectations are being played out in the interrelational tension between the researcher (myself and the interviewee or narrator. In a confrontation with “inner” expectations and concerns regarding a future profession and one’s ability to cope, and the “outer” socially and culturally embedded discourses as they are played out in the objectives of self-development and education, the narrative about a forthcoming internship is filled with tension and contradiction. In this article I will demonstrate how such tensions and contradictions are valuable sources of information in understanding the process of becoming a social educator.

  9. THE CHALLENGE OF WORKING WITH TEENAGERS IN CONFLICT WITH THE LAW: PSYCHODYNAMIC WORK INTERVENTION

    Directory of Open Access Journals (Sweden)

    Jéssica Emanoeli Moreira da Costa

    2017-07-01

    Full Text Available Socio-educational Reintegration Workers play a role in the custody, safety and monitoring of teenagers, complying with socio-educational measures for having infringed the law according to Brazil’s Child and Teenager Statute. This study in terms of public policies has to do with education and sanction. Further, it discusses collective defense strategies from social reintegration workers, who deal on a daily basis with teenagers in conflict with the law. The methodology applied is based upon Work Psychodynamics.  The study concludes that given their strong unity, social reintegration workers protect themselves from work-related pathologies given that they preserve themselves from isolation by inserting themselves in a space of intersubjective relations that support their work and keep them from fear and anxiety. Collective strength comes through cooperation built around the almost prison-like discipline shown towards teenagers deprived of their freedom. This discipline disguises a collective defense strategy that denies the fact that teenagers in conflict with the law are in a vulnerable psychosocial situation. This collective defense strategy serves under current work conditions to protect social reintegration workers from the fear of building a close relationship with teenagers given the certainty that this relationship will leave the first group at risk and unprotected.

  10. Clinicians' emotional responses and Psychodynamic Diagnostic Manual adult personality disorders: A clinically relevant empirical investigation.

    Science.gov (United States)

    Gazzillo, Francesco; Lingiardi, Vittorio; Del Corno, Franco; Genova, Federica; Bornstein, Robert F; Gordon, Robert M; McWilliams, Nancy

    2015-06-01

    The aim of this study is to explore the relationship between level of personality organization and type of personality disorder as assessed with the categories in the Psychodynamic Diagnostic Manual (PDM; PDM Task Force, 2006) and the emotional responses of treating clinicians. We asked 148 Italian clinicians to assess 1 of their adult patients in treatment for personality disorders with the Psychodiagnostic Chart (PDC; Gordon & Bornstein, 2012) and the Personality Diagnostic Prototype (PDP; Gazzillo, Lingiardi, & Del Corno, 2012) and to complete the Therapist Response Questionnaire (TRQ; Betan, Heim, Zittel-Conklin, & Westen, 2005). The patients' level of overall personality pathology was positively associated with helpless and overwhelmed responses in clinicians and negatively associated with positive emotional responses. A parental and disengaged response was associated with the depressive, anxious, and dependent personality disorders; an exclusively parental response with the phobic personality disorder; and a parental and criticized response with narcissistic disorder. Dissociative disorder evoked a helpless and parental response in the treating clinicians whereas somatizing disorder elicited a disengaged reaction. An overwhelmed and disengaged response was associated with sadistic and masochistic personality disorders, with the latter also associated with a parental and hostile/criticized reaction; an exclusively overwhelmed response with psychopathic patients; and a helpless response with paranoid patients. Finally, patients with histrionic personality disorder evoked an overwhelmed and sexualized response in their clinicians whereas there was no specific emotional reaction associated with the schizoid and the obsessive-compulsive disorders. Clinical implications of these findings were discussed. (c) 2015 APA, all rights reserved).

  11. Clinical wisdom in psychoanalysis and psychodynamic psychotherapy: a philosophical and qualitative analysis.

    Science.gov (United States)

    Baum-Baicker, Cynthia; Sisti, Dominic A

    2012-01-01

    To precisely define wisdom has been an ongoing task of philosophers for millennia. Investigations into the psychological dimensions of wisdom have revealed several features that make exemplary persons "wise." Contemporary bioethicists took up this concept as they retrieved and adapted Aristotle's intellectual virtue of phronesis for applications in medical contexts. In this article, we build on scholarship in both psychology and medical ethics by providing an account of clinical wisdom qua phronesis in the context of the practice of psychoanalysis and psychodynamic psychotherapy. With the support of qualitative data, we argue that the concept of clinical wisdom in mental healthcare shares several of the key ethical dimensions offered by standard models of phronesis in medical ethics and serves as a useful, albeit overlooked, reference point for a broader development of virtue-based medical ethics. We propose that the features of clinical wisdom are pragmatic skills that include, but are not limited to, an awareness of balance, the acceptance of paradox, and a particular clinical manner that maintains a deep regard for the other. We offer several suggestions for refining training programs and redoubling efforts to provide long-term mentorship opportunities for trainees in clinical mental healthcare in order to cultivate clinical wisdom.

  12. Employment equity practices in three South African information technology organisations: A systems psychodynamic perspective

    Directory of Open Access Journals (Sweden)

    Frans Cilliers

    2005-10-01

    Full Text Available This research explored the systems psychodynamic behaviour manifesting in the context of employment equity practices within three South African information technology organisations. In-depth interviews with the human resources practitioners involved, elicited seven themes around fantasies of power/opportunities, splits and defences, projective identification, paranoia, idealisation/competence, envy/guilt and coping styles. It was hypothesised that the experience around employment equity in these organisations got stuck in the paranoid-schizoid position, that the system was unconsciously colluding to keep the status quo, and that idealisation was projected on the white subgroup while denigration was projected on previously disadvantages employees and candidates. Recommendations for more optimal coping with these behaviours were formulated. Opsomming Hierdie navorsing het die sistemies psigodinamiese gedrag ondersoek wat gemanifesteer het in die konteks van gelyke indiensneming in drie Suid-Afrikaanse inligtingstegnologie organisasies. Indiepte onderhoude met die betrokke menslike hulpbron praktisyns het sewe temas na vore gebring wat insluit fantasieë oor mag/geleenthede, spleet en verdedigings, projektiewe identifikasie, paranoia, idealisering/kompetensie, afguns/skuld en coping style. Die hipotese is geformuleer dat die ervaring rondom gelyke indiensneming in hierdie organisasies vasgehak het in die paranoïde-skisoïde posisie, dat die stelsel onbewustelik saamsweer om die status quo te handhaaf, en dat idealisering geprojekteer word op die wit subgroep terwyl swartsmeerdery geprojekteer word op die voorheen benadeelde werknemers en kandidate. Aanbevelings oor meer optimale coping met hierdie gedrag is geformuleer.

  13. Varieties of Castration Experience: Relevance to Contemporary Psychoanalysis and Psychodynamic Psychotherapy.

    Science.gov (United States)

    Taylor, Graeme J

    2016-03-01

    Although Freud considered castration to be one of the two major anxieties of human life, the castration complex has been relatively neglected in contemporary psychoanalytic writing and is insufficiently discussed in presentations of clinical cases. This article discusses the relevance of the concept to contemporary psychoanalysis and psychodynamic psychotherapy, in particular the important contributing role of castration conflicts in the pathogenesis of a wide range of clinical symptoms. The author begins by briefly reviewing some classical and contemporary psychoanalytic ideas about castration to show how the concept has broadened and is currently used not only to signify fear of damage to or loss of the genital, but also metaphorically to indicate a threat to or loss of any valued human characteristic or function. He outlines Brenner's distinction between castration anxiety and castration depression, and reviews the role of childhood trauma in intensifying castration conflicts. He then illustrates the clinical application of these ideas by describing aspects of his psychotherapeutic work with three male patients who presented with a variety of symptoms and distressing psychological experiences that were gradually resolved through the analysis of underlying castration anxiety and/or castration depression. Although castration anxiety is frequently intermingled with separation anxiety, the author concludes that with many traumatized patients castration conflicts are in the foreground and the therapist needs to focus on the patient's proneness to humiliation, powerlessness, and shame.

  14. Physical Therapy and Facioscapulohumeral Muscular Dystrophy (FSHD)

    Science.gov (United States)

    Physical Therapy & FSHD Facioscapulohumeral Muscular Dystrophy A Guide for Patients & Physical Therapists Authors: Wendy M. King, P.T., ... expertise and patient preferences. The goals of any physical therapy plan of care are to assist patients to:  ...

  15. Definitions of homework, types of homework, and ratings of the importance of homework among psychologists with cognitive behavior therapy and psychoanalytic theoretical orientations.

    Science.gov (United States)

    Kazantzis, Nikolaos; Dattilio, Frank M

    2010-07-01

    A random sample of 827 psychologists were surveyed to assess their definitions of homework, use of homework tasks, and perceived importance of homework. Theoretical orientation distinguished practitioners' responses. Cognitive-behavioral therapists defined homework as being closer to empirically supported therapy, whereas psychodynamic therapists rated homework as less characteristic of a process that embraces client responsibility and adaptive skills. Cognitive-behavior therapists did not limit their choices to activity-based tasks, and psychodynamic therapists reported using behavioral tasks "sometimes." Monitoring dreams and conscious thought were also used among the entire sample surveyed. Psychodynamic therapists rated homework as "somewhat" or "moderately" important, whereas cognitive-behavior therapists more often rated homework as "very important." Data suggest some homework may be common to different psychotherapeutic approaches. Findings are discussed in the context of recent theoretical work on homework in psychotherapy and recommendations for future research.

  16. In situ observation of Pt oxides on the low index planes of Pt using surface enhanced Raman spectroscopy.

    Science.gov (United States)

    Sugimura, Fumiya; Sakai, Nanami; Nakamura, Tetsuya; Nakamura, Masashi; Ikeda, Katsuyoshi; Sakai, Toshio; Hoshi, Nagahiro

    2017-10-18

    In situ vibrational spectra of Pt oxides that cannot be measured with IR spectroscopy have been studied on the low index planes of Pt using surface enhanced Raman spectroscopy with bare Au nanoparticles (NPSERS). Two bands appear around 570 and 340 cm(-1) at higher potentials in 0.1 M HClO4 saturated with Ar, which are assigned to the stretching vibration of Pt-O(H) and the libration vibration of Pt-O, respectively. NPSERS spectra are measured in O2 saturated solution for the first time. The band intensities of Pt-O(H) and Pt-O in O2 saturated solution are enhanced significantly compared with those in Ar saturated solution. The onset potentials of Pt-O and Pt-O(H) formation are 1.15 V(RHE) on Pt(100) and 1.2 V(RHE) on Pt(111) and Pt(110). The onset potential of Pt-O and Pt-O(H) and band shape differ from the results obtained using shell isolated surface enhanced Raman spectroscopy (SHINERS). The Pt-O and Pt-O(H) band intensities are normalized using COad as an internal standard. The Pt-O(H) band intensity depends on surface structures as Pt(110) < Pt(111) ≪ Pt(100), whereas the Pt-O band gives a different intensity order for Pt(111) and Pt(110) as Pt(111) ≤ Pt(110) ≪ Pt(100) in O2 saturated solution.

  17. Music therapy in psychiatry today

    DEFF Research Database (Denmark)

    Pedersen, Inge Nygaard

    2014-01-01

    A growing specialization has been developed in psychiatric institutions indicating that staff members specialize in one diagnosis. Music therapists are on the one hand asked to formulate diagnosis specific treatment models; on the other hand music therapy is also recognized to both provide quality...... to be both clinically specialized and both psychodynamic and existentially oriented in our contribution to psychiatric treatment. Cochrane Reviews show that music therapy has a significant impact on reduction of negative symptoms for patients suffering from schizophrenia. The reasons for this positive...... treatment outcome are in the literature related to music therapists´ overall attitudes and relational competencies in their work which also provide quality of life and resources for these patients. This essay, which is based on my Keynote presentation at the 7th Nordic music therapy Congress, Jyväskylä SF...

  18. In the footsteps of Arieti and Fromm-Reichmann: psychodynamic treatments of psychosis in the current era.

    Science.gov (United States)

    Silver, Ann-Louise S

    2005-01-01

    The contributions of Silvano Arieti to the psychodynamic treatment of schizophrenia were pivotal at the time he wrote and lectured, but regretfully, they have slipped from current attention. They bear reviewing given the current era of biological reductionism in the treatment of psychoses in general. To illustrate Arieti's approach, he is imagined as the supervisor of a patient who was treated by the author during her psychiatric residency. Other clinical examples highlight the relevance of Arieti's philosophy for current work with patients suffering from psychotic disorders.

  19. Moderating Effects of Alexithymia on Associations between the Therapeutic Alliance and the Outcome of Brief Psychodynamic-Interpersonal Psychotherapy for Multisomatoform Disorder.

    Science.gov (United States)

    Probst, Thomas; Sattel, Heribert; Gündel, Harald; Henningsen, Peter; Kruse, Johannes; Schneider, Gudrun; Lahmann, Claas

    2017-01-01

    This secondary analysis of a trial on brief psychodynamic-interpersonal therapy (PIT) for patients with multisomatoform disorder investigated whether alexithymia moderates the associations between the therapeutic alliance and the outcome of PIT and whether moderating effects of alexithymia remain significant when controlling for depression. Eighty-three patients with multisomatoform disorder receiving PIT were statistically analyzed. Moderation analyses were performed with the SPSS macro PROCESS. The primary outcome (Y), self-reported physical quality of life at 9-month after the end of PIT, was measured with the physical component summary (PCS) of the SF-36 Health Survey. The potential moderator (M) alexithymia was operationalized with the Toronto Alexithymia Scale (TAS-20) at pre-treatment and the predictor (X) the therapeutic alliance was rated by both patients and therapists via the Helping Alliance Questionnaire (HAQ) at the end of PIT. Moreover, the PCS at pre-treatment functioned as covariate in all moderation models. When the patients' alliance ratings were analyzed, alexithymia did not moderate associations between the alliance and the outcome. When the therapists' alliance ratings were evaluated, alexithymia moderated the relationship between the alliance and the outcome (p alliance in the therapists' perspective was beneficial for the outcome only for patients scoring above 61 on the TAS-20. This moderating effect of alexithymia was, however, not statistically significant anymore when adding the pre-treatment depression scores (PHQ-9) as a covariate to the moderation model. The results underline the importance of a good therapists' view of the alliance when treating alexithymic patients and highlight the complex interaction between alexithymia and depression. Future studies are needed to extend the scope of research regarding which psychotherapeutic mechanisms of change are beneficial for which patients.

  20. Moderating Effects of Alexithymia on Associations between the Therapeutic Alliance and the Outcome of Brief Psychodynamic-Interpersonal Psychotherapy for Multisomatoform Disorder

    Directory of Open Access Journals (Sweden)

    Thomas Probst

    2017-12-01

    Full Text Available This secondary analysis of a trial on brief psychodynamic-interpersonal therapy (PIT for patients with multisomatoform disorder investigated whether alexithymia moderates the associations between the therapeutic alliance and the outcome of PIT and whether moderating effects of alexithymia remain significant when controlling for depression. Eighty-three patients with multisomatoform disorder receiving PIT were statistically analyzed. Moderation analyses were performed with the SPSS macro PROCESS. The primary outcome (Y, self-reported physical quality of life at 9-month after the end of PIT, was measured with the physical component summary (PCS of the SF-36 Health Survey. The potential moderator (M alexithymia was operationalized with the Toronto Alexithymia Scale (TAS-20 at pre-treatment and the predictor (X the therapeutic alliance was rated by both patients and therapists via the Helping Alliance Questionnaire (HAQ at the end of PIT. Moreover, the PCS at pre-treatment functioned as covariate in all moderation models. When the patients’ alliance ratings were analyzed, alexithymia did not moderate associations between the alliance and the outcome. When the therapists’ alliance ratings were evaluated, alexithymia moderated the relationship between the alliance and the outcome (p < 0.05: a stronger alliance in the therapists’ perspective was beneficial for the outcome only for patients scoring above 61 on the TAS-20. This moderating effect of alexithymia was, however, not statistically significant anymore when adding the pre-treatment depression scores (PHQ-9 as a covariate to the moderation model. The results underline the importance of a good therapists’ view of the alliance when treating alexithymic patients and highlight the complex interaction between alexithymia and depression. Future studies are needed to extend the scope of research regarding which psychotherapeutic mechanisms of change are beneficial for which patients.

  1. PT AND PT/NI "NEEDLE" ELETROCATALYSTS ON CARBON NANOTUBES WITH HIGH ACTIVITY FOR THE ORR

    Energy Technology Data Exchange (ETDEWEB)

    Colon-Mercado, H.

    2011-11-10

    Platinum and platinum/nickel alloy electrocatalysts supported on graphitized (gCNT) or nitrogen doped carbon nanotubes (nCNT) are prepared and characterized. Pt deposition onto carbon nanotubes results in Pt 'needle' formations that are 3.5 nm in diameter and {approx}100 nm in length. Subsequent Ni deposition and heat treatment results in PtNi 'needles' with an increased diameter. All Pt and Pt/Ni materials were tested as electrocatalysts for the oxygen reduction reaction (ORR). The Pt and Pt/Ni catalysts showed excellent performance for the ORR, with the heat treated PtNi/gCNT (1.06 mA/cm{sup 2}) and PtNi/nCNT (0.664 mA/cm{sup 2}) showing the highest activity.

  2. Isolation and characterization of a tetranuclear Pt-FeFe-Pt intermediate en route to the trinuclear Pt-Fe-Pt cluster.

    Science.gov (United States)

    Uemura, Kazuhiro; Taoka, Masahiro

    2017-10-17

    An intermediate compound, [{PtFe(piam)2(NH3)2(OCH3)}2(μ-OCH3)2](ClO4)2 (1, piam = pivalamidate), in the synthetic process to form [Pt2Fe(piam)4(NH3)4](ClO4)3 (2) by mixing cis-[Pt(piam)2(NH3)2]·2H2O and iron sources was successfully isolated and characterized by single-crystal X-ray analysis. In 1, the platinum and iron atoms are bridged by two piam ligands to afford a dinuclear Pt-Fe structure and are further linked to each other by methoxide bridges at the equatorial positions of iron atoms to form a tetranuclear Pt-FeFe-Pt complex. The Pt-Fe distances in 1 are 3.0010(16) and 2.9883(17) Å, which are significantly longer than those in 2 (2.5566(15) and 2.5718(15) Å). X-ray photoelectron spectroscopy (XPS), electron paramagnetic resonance (EPR), and magnetic susceptibility measurements revealed that the oxidation states are Pt(+2)-Fe(+3)Fe(+3)-Pt(+2) (1) and Pt(+2)-Fe(+3)-Pt(+2) (2) with high-spin (S = 5/2) configurations in iron atoms. The magnetic susceptibility of 1 has a χT value of 5.83 cm(3) mol(-1) K per Pt(+2)-Fe(+3)Fe(+3)-Pt(+2) unit at 300 K, which decreases down to 0.04 cm(3) mol(-1) K at 7 K due to antiferromagnetic coupling (J = -28 cm(-1)) of the two Fe(+3) centers. Compound 2 maintains its trinuclear structure in MeCN, exhibiting reversible one-electron reduction and oxidation, Pt(+2)-Fe(+2)-Pt(+2) ↔ Pt(+2)-Fe(+3)-Pt(+2), at E1/2 = -0.19 V (vs. Fc/Fc(+)). However, in MeOH, compound 2 is decomposed into a dinuclear structure of Pt-Fe involving an equilibrium between 1 and 2.

  3. Laser weldability of Pt and Ti alloys

    Energy Technology Data Exchange (ETDEWEB)

    Noolu, N.J. [Center for Advanced Materials Joining, University of Waterloo, Waterloo (Canada)]. E-mail: nnoolu@mecheng1.uwaterloo.ca; Kerr, H.W. [Center for Advanced Materials Joining, University of Waterloo, Waterloo (Canada); Zhou, Y. [Center for Advanced Materials Joining, University of Waterloo, Waterloo (Canada); Xie, J. [Cardiac Rhythm Management Division, Street Jude Medical Inc., Sylmar, CA (United States)

    2005-04-25

    Crack susceptibility of laser spot welds between Pt and Ti alloys was studied by characterizing the surface and the cross-sections of the welds produced at different pulse energies. Increase in laser pulse energy increased the dilution by the Ti alloy, giving rise to the evolution of microstructures with varying Ti contents across the entire fusion zone. Hardness results showed that regions with 66-75% Ti, i.e. consisting of primary Ti{sub 3}Pt and/or Ti{sub 3}Pt + TiPt eutectic, have a hardness higher than 700 Vickers hardness numbers (VHN), while regions with 42-66% Ti, i.e. consisting of primary TiPt, possessed hardness between 400 and 700 VHN. The extent of cracking increased with the increase in pulse energy and the cracked regions consisted of Ti contents between 50 and 75%. Brittle cracking in microstructures consisting of Ti{sub 3}Pt and TiPt phases suggested that one or both of the constituent phases are susceptible to cracking. However, crack arrest in microstructures predominantly consisting of TiPt showed that Ti{sub 3}Pt is the most susceptible phase to cracking in Pt-Ti alloy welds.

  4. Predictors of community therapists' use of therapy techniques in a large public mental health system.

    Science.gov (United States)

    Beidas, Rinad S; Marcus, Steven; Aarons, Gregory A; Hoagwood, Kimberly E; Schoenwald, Sonja; Evans, Arthur C; Hurford, Matthew O; Hadley, Trevor; Barg, Frances K; Walsh, Lucia M; Adams, Danielle R; Mandell, David S

    2015-04-01

    Few studies have examined the effects of individual and organizational characteristics on the use of evidence-based practices in mental health care. Improved understanding of these factors could guide future implementation efforts to ensure effective adoption, implementation, and sustainment of evidence-based practices. To estimate the relative contribution of individual and organizational factors on therapist self-reported use of cognitive-behavioral, family, and psychodynamic therapy techniques within the context of a large-scale effort to increase use of evidence-based practices in an urban public mental health system serving youth and families. In this observational, cross-sectional study of 23 organizations, data were collected from March 1 through July 25, 2013. We used purposive sampling to recruit the 29 largest child-serving agencies, which together serve approximately 80% of youth receiving publically funded mental health care. The final sample included 19 agencies with 23 sites, 130 therapists, 36 supervisors, and 22 executive administrators. Therapist self-reported use of cognitive-behavioral, family, and psychodynamic therapy techniques, as measured by the Therapist Procedures Checklist-Family Revised. Individual factors accounted for the following percentages of the overall variation: cognitive-behavioral therapy techniques, 16%; family therapy techniques, 7%; and psychodynamic therapy techniques, 20%. Organizational factors accounted for the following percentages of the overall variation: cognitive-behavioral therapy techniques, 23%; family therapy techniques, 19%; and psychodynamic therapy techniques, 7%. Older therapists and therapists with more open attitudes were more likely to endorse use of cognitive-behavioral therapy techniques, as were those in organizations that had spent fewer years participating in evidence-based practice initiatives, had more resistant cultures, and had more functional climates. Women were more likely to endorse use of

  5. Low Pt content direct methanol fuel cell anode catalyst: nanophase PtRuNiZr

    Science.gov (United States)

    Narayanan, Sekharipuram R. (Inventor); Whitacre, Jay F. (Inventor)

    2010-01-01

    A method for the preparation of a metallic material having catalytic activity that includes synthesizing a material composition comprising a metal content with a lower Pt content than a binary alloy containing Pt but that displays at least a comparable catalytic activity on a per mole Pt basis as the binary alloy containing Pt; and evaluating a representative sample of the material composition to ensure that the material composition displays a property of at least a comparable catalytic activity on a per mole Pt basis as a representative binary alloy containing Pt. Furthermore, metallic compositions are disclosed that possess substantial resistance to corrosive acids.

  6. Results of the Proficiency Test, PT1 and PT2, 2012

    DEFF Research Database (Denmark)

    Vendramin, Niccolò; Nicolajsen, Nicole; Christophersen, Maj-Britt

    A comparative test of diagnostic procedures was provided by the European Union Reference Laboratory (EURL) for Fish Diseases. The test was divided into proficiency test 1 (PT1) and proficiency test 2 (PT2). The number of National Reference Laboratories (NRLs) participating in PT1 and PT2 was 43. ....... The tests were sent from the EURL in the beginning of September 2012. Both PT1 and PT2 are accredited by DANAK under registration number 515 for proficiency testing according to the quality assurance standard DS/EN ISO/IEC 17043....

  7. Proton Therapy for Thoracoabdominal Tumors

    Science.gov (United States)

    Sakurai, Hideyuki; Okumura, Toshiyuki; Sugahara, Shinji; Nakayama, Hidetsugu; Tokuuye, Koichi

    In advanced-stage disease of certain thoracoabdominal tumors, proton therapy (PT) with concurrent chemotherapy may be an option to reduce side effects. Several technological developments, including a respiratory gating system and implantation of fiducial markers for image guided radiation therapy (IGRT), are necessary for the treatment in thoracoabdominal tumors. In this chapter, the role of PT for tumors of the lung, the esophagus, and liver are discussed.

  8. Pt/C Fuel Cell Catalyst Degradation

    DEFF Research Database (Denmark)

    Zana, Alessandro

    This thesis investigates the degradation behavior of Pt/C catalysts under simulated automotive conditions. By using the “tool box” synthesis method the Pt loading has been changed from low to high Pt loadings, therefore permitting to study the role of Pt on the degradation of high surface area (HSA......) Pt/C catalyst. Diverse degradation mechanisms have been found to be responsible for the electrochemical surface area loss (ECSA). The different degradation mechanisms have been found to be dependent from the diverse potential windows applied during the stress test. Furthermore the synthesis approach......, i.e. Vulcan XC72R and Ketjenblack EC-300J. The ECSA loss measured for Vulcan XC72R was significantly higher after start/stop than for Ketjenblack EC-300J. To this concern the Pt loaded Vulcan XC72R and Ketjenblack EC- 300J has been studied by Raman spectroscopy. The Raman spectra of the catalysts...

  9. Is training effective? A study of counseling psychology doctoral trainees in a psychodynamic/interpersonal training clinic.

    Science.gov (United States)

    Hill, Clara E; Baumann, Ellen; Shafran, Naama; Gupta, Shudarshana; Morrison, Ashley; Rojas, Andrés E Pérez; Spangler, Patricia T; Griffin, Shauna; Pappa, Laura; Gelso, Charles J

    2015-04-01

    We investigated changes over 12 to 42 months in 23 predoctoral trainees during their externship training in a psychodynamic/interpersonal psychotherapy clinic. Over time, trainees increased in client-rated working alliance and real relationship, therapist-rated working alliance, client-rated interpersonal functioning, ability to use helping skills (e.g., challenges, immediacy), higher-order functioning (e.g., conceptualization ability, countertransference management), feelings about themselves as therapists (e.g., more authentic, more self-aware), and understanding about being a therapist (e.g., theoretical orientation, curiosity about client dynamics). In contrast, trainees did not change in engaging clients (return after intake or for at least 8 sessions), judge-rated psychodynamic techniques in third and ninth sessions across clients (although trainees used more cognitive-behavioral techniques over time in third but not ninth sessions), or changes in client-rated symptomatology. Trainees primarily attributed changes to graduate training, individual and group supervision, research participation, and working with clients. Implications for training and research are discussed. (c) 2015 APA, all rights reserved).

  10. [Non-drug therapies for CRPS].

    Science.gov (United States)

    Krämer, H H; Tanislav, C; Birklein, F

    2012-06-01

    State of the art CRPS therapy comprises medication, interventional therapies and non-pharmaceutical treatments like physiotherapy (PT), occupational therapy, PT with cognitive behavioural elements (mirror therapy, 'motor imagery', and 'graded exposure'), psychotherapeutic methods, local therapies and neurostimulation. These treatments are mostly as successful as medical or interventional treatment. These effects have been demonstrated in small but randomised controlled studies. Adjuvant therapies were shown to reduce pain and the severity of dysfunction in CRPS. Therefore, these non-drug therapies should be an essential part of any multimodal CRPS treatment. © Georg Thieme Verlag KG Stuttgart · New York.

  11. An investigation on the effectiveness of group psychodynamic psychotherapy on the personality dimensions in divorced and non-divorce woman with low marital satisfaction

    Directory of Open Access Journals (Sweden)

    Mehdi Mehryar

    2017-08-01

    Full Text Available Introduction: Present study is aimed at investigating the effectiveness of psychodynamic psychotherapy on the personality characteristics of divorced and non-divorced women with low marital satisfaction. Materials and Methods: This clinical research conducted in the clients referred to Khane Roshan-e-Doost Psychological Studies Institute. They are evaluated clinically through interviews and questionnaires. So, 45 patients selected and divided in three equal groups of divorced women, non-divorced women (married with low marital satisfaction, and control group. Then, the groups of divorced and non-divorced women with low marital satisfaction participated in 24 sessions of psychodynamic psychotherapy. To collect data, Cattel’s 16-item questionnaire and Enrich marital satisfaction questionnaire were used. Data analyzed through multivariate analysis of covariance (MANCOVA. Results: The results of this study indicated that training of psychodynamic psychotherapy caused a significant change in personality traits in divorced women and in married women with low marital satisfaction. Only in factor B (intelligent - low intelligence and factor Q1 (conservatism there was no significant difference between experimental and control groups. The results of correlation between personality factors and low marital satisfaction pointed that there is a significant relationship between all factors of personality except the factor of conservatism.  Conclusion: Based on the results, psychodynamic psychotherapy is effective in significant improvement of most of personality traits. Therefore, applying this method can be useful in improving marital personality traits, reducing divorce and maintaining mental health.

  12. Manipulating the magnetic properties and interphase coupling in FePt/Pt/Fe multilayer films by Pt spacer layer

    Science.gov (United States)

    Xie, Yigao; Zhao, Nana; Zhong, Hui; Zhang, Tongbo; Cui, Weibin; Wang, Qiang

    2017-12-01

    Single-layer FePt (10 nm) film and trilayer FePt (10 nm)/Pt (t)/Fe (3 nm)/Pt (3 nm) (t  =  0 nm, 0.5 nm, 1 nm, 2 nm and 4 nm) films were prepared on MgO (1 0 0) substrate. Their cross-sectional morphologies, ordering and interphase coupling behaviors were studied in detail. The results showed that the interphase coupling stiffness (J) increased at first, and then decreased with increasing thickness of the spacer layer. An exponential fitting of J ~ t dependence was obtained for t  ⩾  1 nm. A discrepancy between experiments and exponential fitting, mainly caused by interfacial diffusion, was seen for t  ⩽  1 nm. With respect to the proposed idea of using a spacer layer to modify the interface, FePt (8 nm)/Pt (0.5 nm)/Fe (3 nm)/Pt (3 nm) anisotropic nanocomposite film exhibited the best magnetic properties, with coercivity 0.87 T and (BH)max 370 kJ m‑3, accounting for 95% of the theoretical (BH)max of L10-ordered FePt phase.

  13. Measurement of benzenethiol adsorption to nanostructured Pt, Pd, and PtPd films using Raman spectroelectrochemistry.

    Science.gov (United States)

    Pomfret, Michael B; Pietron, Jeremy J; Owrutsky, Jeffrey C

    2010-05-04

    Raman spectroscopy and electrochemical methods were used to study the behavior of the model adsorbate benzenethiol (BT) on nanostructured Pt, Pd, and PtPd electrodes as a function of applied potential. Benzenethiol adsorbs out of ethanolic solutions as the corresponding thiolate, and voltammetric stripping data reveal that BT is oxidatively removed from all of the nanostructured metals upon repeated oxidative and reductive cycling. Oxidative stripping potentials for BT increase in the order Pt < PtPd < Pd, indicating that BT adsorbs most strongly to nanoscale Pd. Yet, BT Raman scattering intensities, measured in situ over time scales of minutes to hours, are most persistent on the film of nanostructured Pt. Raman spectra indicate that adsorbed BT desorbs from nanoscale Pt at oxidizing potentials via cleavage of the Pt-S bond. In contrast, on nanoscale Pd and PtPd, BT is irreversibly lost due to cleavage of BT C-S bonds at oxidizing potentials, which leaves adsorbed sulfur oxides on Pd and PtPd films and effects the desulfurization of BT. While Pd and PtPd films are less sulfur-resistant than Pt films, palladium oxides, which form at higher potentials than Pt oxides, oxidatively desulfurize BT. In situ spectroelectrochemical Raman spectroscopy provides real-time, chemically specific information that complements the cyclic voltammetric data. The combination of these techniques affords a powerful and convenient method for guiding the development of sulfur-tolerant PEMFC catalysts.

  14. Electron transport in a Pt-CO-Pt nanocontact: Density functional theory calculations

    DEFF Research Database (Denmark)

    Strange, Mikkel; Thygesen, Kristian Sommer; Jacobsen, Karsten Wedel

    2006-01-01

    We have performed first-principles calculations for the mechanic and electric properties of pure Pt nanocontacts and a Pt contact with a single CO molecule adsorbed. For the pure Pt contacts we see a clear difference between point contacts and short chains in good agreement with experiments. We...

  15. Clinical Holistic Medicine (Mindful Short-Term Psychodynamic Psychotherapy Complimented with Bodywork in the Treatment of Schizophrenia (ICD10-F20/DSM-IV Code 295 and Other Psychotic Mental Diseases

    Directory of Open Access Journals (Sweden)

    Søren Ventegodt

    2007-01-01

    Full Text Available Clinical holistic medicine (CHM has developed into a system that can also be helpful with mentally ill patients. CHM therapy supports the patient through a series of emotionally challenging, existential, and healing crises. The patient’s sense of coherence and mental health can be recovered through the process of feeling old repressed emotions, understanding life and self, and finally letting go of negative beliefs and delusions. The Bleuler's triple condition of autism, disturbed thoughts, and disturbed emotions that characterizes the schizophrenic patient can be understood as arising from the early defense of splitting, caused by negative learning from painful childhood traumas that made the patient lose sense of coherence and withdraw from social contact. Self-insight gained through the therapy can allow the patients to take their bodily, mental, and spiritual talents into use. At the end of therapy, the patients are once again living a life of quality centered on their life mission and they relate to other people in a way that systematically creates value. There are a number of challenges meeting the therapist who works with schizophrenic and psychotic patients, from the potential risk of experiencing a patient's violence, to the obligation to contain the most difficult and embarrassing of feelings when the emotional and often also sexual content of the patient’s unconsciousness becomes explicit. There is a long, well-established tradition for treating schizophrenia with psychodynamic therapy, and we have found that the combination of bodywork and psychotherapy can enhance and accelerate the therapy and might improve the treatment rate further.

  16. Motivational enhancement therapy in addition to physical therapy improves motivational factors and treatment outcomes in people with low back pain: a randomized controlled trial.

    Science.gov (United States)

    Vong, Sinfia K; Cheing, Gladys L; Chan, Fong; So, Eric M; Chan, Chetwyn C

    2011-02-01

    To examine whether the addition of motivational enhancement treatment (MET) to conventional physical therapy (PT) produces better outcomes than PT alone in people with chronic low back pain (LBP). A double-blinded, prospective, randomized, controlled trial. PT outpatient department. Participants (N=76) with chronic LBP were randomly assigned to receive 10 sessions of either MET plus PT or PT alone. MET included motivational interviewing strategies and motivation-enhancing factors. The PT program consisted of interferential therapy and back exercises. Motivational-enhancing factors, pain intensity, physical functions, and exercise compliance. The MET-plus-PT group produced significantly greater improvements than the PT group in 3 motivation-enhancing factors; proxy efficacy (Pmotivation and exercise compliance and show better improvement in physical function in patients with chronic LBP compared with PT alone. Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

  17. A comparative study of Pt and Pt-Pd core-shell nanocatalysts

    Energy Technology Data Exchange (ETDEWEB)

    Long, Nguyen Viet, E-mail: nguyenviet_long@yahoo.com [Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555 (Japan); Posts and Telecommunications Institute of Technology, km 10 Nguyen Trai, Thanh Xuan, Ha Dong, Hanoi (Viet Nam); Laboratory for Nanotechnology, Vietnam National University, Ho Chi Minh, Linh Trung, Thu Duc, Ho Chi Minh (Viet Nam); Department of Molecular and Material Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasugakouen, Kasuga, Fukuoka 816-8580 (Japan); Ohtaki, Michitaka [Department of Molecular and Material Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasugakouen, Kasuga, Fukuoka 816-8580 (Japan); Hien, Tong Duy [Laboratory for Nanotechnology, Vietnam National University, Ho Chi Minh, Linh Trung, Thu Duc, Ho Chi Minh (Viet Nam); Randy, Jalem [Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555 (Japan); Nogami, Masayuki, E-mail: nogami@nitech.ac.jp [Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555 (Japan)

    2011-10-30

    Highlights: > The syntheses of Pt (4-8 nm) and Pt-Pd core-shell nanoparticles (15-25 nm) are showed. > Pt-Pd core-shell catalysts possess catalytic property much better than Pt catalysts. > Pt-Pd core-shell catalysts exhibit fast and highly stable catalytic activity. > Fascinatingly, size effect is not as really important as nanostructuring effect. > Fast, stable, sensitive hydrogen adsorption is very crucial for fuel cells. - Abstract: This comparative study characterizes two types of metallic and core-shell bimetallic nanoparticles prepared with our modified polyol method. These nanoparticles consist of Pt and Pt-Pd core-shell nanocatalysts exhibiting polyhedral morphologies. The controlled syntheses of Pt metallic nanoparticles in the 10-nm regime (4-8 nm) and Pt-Pd bimetallic core-shell nanoparticles in the 30-nm regime (15-25 nm) are presented. To realize our ultimate research goals for proton exchange membrane fuel cells (PEMFCs) and direct methanol fuel cells (DMFCs), we thoroughly investigate the dependence of the electrocatalytic properties of the nanoparticles on the structure, size and morphology. Significant differences in the electrocatalysis are also explained in experimental evidences of both Pt and Pt-Pd nanocatalysts. We suggested that the core-shell controlled morphologies and nanostructures of the Pd nanoshell as the Pd atomic monolayers will not only play an important role in producing inexpensive, novel Pt- and Pd-based nanocatalysts but also in designing more efficient Pt- and Pd-based nanocatalysts for practical use in DMFC technology. Our comparative results show that Pt-Pd nanocatalysts with Pd nanoshells exhibited much better electrocatalytic activity and stabilization compared to Pt nanocatalysts. Interestingly, we found that the size effect is not as strong as the nanostructuring effect on the catalytic properties of the researched nanoparticles. A nanostructure effect of the core-shell bimetallic nanoparticles was identified.

  18. Tuning magnetic properties of non-collinear magnetization configuration in Pt/[Pt/Co]{sub 6}/Pt/Co/Pt multilayer structure

    Energy Technology Data Exchange (ETDEWEB)

    Kalaycı, Taner, E-mail: taner.kalayci@marmara.edu.tr [Department of Physics, Marmara University, 34722, Kadıköy, Istanbul (Turkey); Deger, Caner [Department of Physics, Marmara University, 34722, Kadıköy, Istanbul (Turkey); Akbulut, Salih [Department of Physics, Gebze Technical University, 41400, Gebze, Kocaeli (Turkey); Yildiz, Fikret, E-mail: fyildiz@gtu.edu.tr [Department of Physics, Gebze Technical University, 41400, Gebze, Kocaeli (Turkey)

    2017-08-15

    Highlights: • Effects of Pt spacer and reference layers thickness are investigated by MOKE and FMR. • Controlling of non-collinear states in multilayered thin film systems is studied. • Micromagnetic approach is used for modeling of magnetic multilayered structure. • Magnetic parameters are determined by a simulation based on metropolis algorithm. - Abstract: In this study, effects of Pt spacer and Co reference layers thickness in [Co/Pt]{sub 6}/Pt/Co multilayer have been revealed to tailor magnetization directions in non-collinear configuration. Magneto-optic Kerr effect and ferromagnetic resonance techniques were employed to investigate magnetic properties. Bilinear coupling between [Co/Pt]{sub 6} and Co layers and anisotropy constants were determined by a micromagnetic simulation based on metropolis algorithm. 3 nm spacer causes ferromagnetic coupling while the samples have 4 and 5 nm spacer are coupled anti-ferromagneticaly. Also, tuning magnetic anisotropy of [Co/Pt]{sub 6} layer was accomplished by Co reference layer. It is revealed that controlling of non-collinear states in such systems is possible by variation of thickness of spacer and reference layers and [Co/Pt]{sub 6}/t{sub Pt}/t{sub Co} trilayer system can be used in multilayered magnetic systems.

  19. Metrology with PT-Symmetric Cavities: Enhanced Sensitivity near the PT-Phase Transition.

    Science.gov (United States)

    Liu, Zhong-Peng; Zhang, Jing; Özdemir, Şahin Kaya; Peng, Bo; Jing, Hui; Lü, Xin-You; Li, Chun-Wen; Yang, Lan; Nori, Franco; Liu, Yu-Xi

    2016-09-09

    We propose and analyze a new approach based on parity-time (PT) symmetric microcavities with balanced gain and loss to enhance the performance of cavity-assisted metrology. We identify the conditions under which PT-symmetric microcavities allow us to improve sensitivity beyond what is achievable in loss-only systems. We discuss the application of PT-symmetric microcavities to the detection of mechanical motion, and show that the sensitivity is significantly enhanced near the transition point from unbroken- to broken-PT regimes. Our results open a new direction for PT-symmetric physical systems and it may find use in ultrahigh precision metrology and sensing.

  20. Research into the Development of Voice Assessment in Music Therapy

    DEFF Research Database (Denmark)

    Storm, Sanne

    This study was a research into the development of a voice assessment profile (VOIAS). Already a preliminary literature search showed that no such profile within music therapy existed, and only very sparse research within music therapy focusing on and involving the human voice. The development...... of VOIAS is based on vocal parameters extracted from the literature review and my clinical approach “Psychodynamic Voice Therapy”. The parameters’ relevance is based on clinical practice and the focus of population in this study, clients suffering from depression....

  1. Optical second harmonic generation from Pt nanowires

    Energy Technology Data Exchange (ETDEWEB)

    Hayashi, N.; Aratake, K.; Okushio, R.; Iwai, T. [Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292 (Japan); Sugawara, A. [Hitachi Advanced Research Laboratory, Akanuma 2520, Hatoyama, Saitama 350-0395 (Japan); Sano, H. [Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292 (Japan); Mizutani, G. [Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292 (Japan)], E-mail: mizutani@jaist.ac.jp

    2007-09-15

    We have measured optical second harmonic intensity from arrays of Pt nanowires of 20 nm and 9 nm average widths, as a function of the incident and output light polarizations, the azimuthal angle, and the excitation photon energy. The nanowires were fabricated through shadow deposition on self-organized NaCl(1 1 0) faceted templates. The anisotropy of the SH intensity from the Pt nanowires was found to be stronger than that from the Au nanowires reported previously. The effective nonlinear susceptibility element {chi}{sub 222}{sup (2)}, with the suffix 2 indicating the direction [11-bar0], was observed for Pt nanowires, although it was not observed for Au nanowires. This difference is suggested to be due to the weaker suppression of the incident fundamental fields by the depolarization field in the Pt nanowires and the larger anisotropy in the nonlinearity of Pt nanowires due to the thinner widths.

  2. Surface-effect enhanced magneto-electric coupling in FePt/PMN-PT multiferroic heterostructures

    Science.gov (United States)

    Yang, Y. T.; Li, J.; Peng, X. L.; Hong, B.; Wang, X. Q.; Ge, H. L.; Wang, D. H.; Du, Y. W.

    2017-05-01

    A series of FePt films with different film thickness are deposited on Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) substrates. A standard symmetric `Butterfly' shaped Δ M /M -Ed c loops is obtained in 8 nm FePt/PMN-PT heterostrucuture via strain mediated magnetoelectric coupling. For the 3 nm FePt/PMN-PT heterostructure, the loop-like in-plane magnetization (M) -E curve shares a similar shape with the electric polarization of PMN-PT as a function of electric field. The value of MS shows a dramatic change of 30.9% with Edc changing from 0 to 8 kV/cm, this giant magnetoelectric effect in 3 nm FePt/PMN-PT heterostructure results from the remnant polarization induced charge on FePt/PMN-PT interface via the screening charge effect. The enhanced magnetoelectric coupling in thin magnetic/ferroelectric heterostructures opens a promising avenue for the design of ultralow power magnetoelectric devices and information storage devices.

  3. Electrochemical study of the Pt and Pt-Ni upon multiwalled carbon nanotubes

    Science.gov (United States)

    Mohammed, Norani Muti; Mumtaz, Asad; Ansari, Muhammad Shahid; Ahmad, Riaz

    2016-11-01

    Direct methanol fuel cells have attracted great interest in the recent development of portable devices. New routes are being developed for synthesizing the catalysts used in the methanol oxidation. In this work, the electrochemical behavior of the Pt and Pt-Ni upon multiwalled carbon nanotubes, synthesized via a new modified route, has been studied. The results showed that Pt-Ni 10% has the comparable current density to the Pt 20%-loading which is nearly 3 times greater than 10% Pt loading. The transfer of the polarization curve of Pt-Ni 10% towards lower polarization region following the catalyst with 20% Pt loading indicates the higher activity of the nano-electro-catalysts in the alkaline media. Also the long term efficiency and activity of the Pt-Ni with 10% loading is nearly reaching the 20% Pt-loading which is almost 10 folds greater than the 10% Pt loading. The study revealed that Ni in Pt-based nanoalloy impart not only an enhanced activity but also better durability of catalyst in direct methanol fuel cell applications.

  4. Surface-effect enhanced magneto-electric coupling in FePt/PMN-PT multiferroic heterostructures

    Directory of Open Access Journals (Sweden)

    Y. T. Yang

    2017-05-01

    Full Text Available A series of FePt films with different film thickness are deposited on Pb(Mg1/3Nb2/3O3–PbTiO3 (PMN-PT substrates. A standard symmetric ‘Butterfly’ shaped ΔM/M-Edc loops is obtained in 8 nm FePt/PMN-PT heterostrucuture via strain mediated magnetoelectric coupling. For the 3 nm FePt/PMN-PT heterostructure, the loop-like in-plane magnetization (M -E curve shares a similar shape with the electric polarization of PMN-PT as a function of electric field. The value of MS shows a dramatic change of 30.9% with Edc changing from 0 to 8 kV/cm, this giant magnetoelectric effect in 3 nm FePt/PMN-PT heterostructure results from the remnant polarization induced charge on FePt/PMN-PT interface via the screening charge effect. The enhanced magnetoelectric coupling in thin magnetic/ferroelectric heterostructures opens a promising avenue for the design of ultralow power magnetoelectric devices and information storage devices.

  5. Tailored design of architecturally controlled Pt nanoparticles with huge surface areas toward superior unsupported Pt electrocatalysts.

    Science.gov (United States)

    Wang, Liang; Imura, Masataka; Yamauchi, Yusuke

    2012-06-27

    Herein, we report a very simple and rapid method to synthesize two types of Pt nanoparticles with open porous structures (i.e., Pt nanodendrites and multiarmed Pt nanostars) in high yield. The present synthesis is performed by a simple sonication treatment of an aqueous solution containing K2PtCl4 and a nonionic block copolymer with branched alkyl chains in the presence of ascorbic acid (AA) at room temperature. Nanodendrites and multiarmed nanostars with different Pt nanostructures are selectively synthesized by simply controlling the dissolved block copolymer amounts in the reactive system. As-prepared 3D Pt nanodendrites and multiarmed Pt nanostars with well-defined morphologies are highly porous and self-supported structures assembled by staggered nanoarms as building blocks, thereby realizing extremely high surface areas (around 80 m(2) g(-1)). The present synthesis has a remarkable advantage in its simplicity for the synthesis of Pt nanocatalysts, in comparison with other previous approaches. Our Pt nanodendrites and Pt nanostars not only improve the active Pt surface area but also show superior electrochemical performance, which make them promising electrocatalysts for future.

  6. ELECTROCHEMICAL OXIDATION OF ETHYLENE AT PANI/Pt AND Ag/PANI/Pt MODIFIED ELECTRODES

    Directory of Open Access Journals (Sweden)

    Lenys Fernández

    Full Text Available The electrochemical behavior of ethylene on PANI/Pt and Ag/PANI/Pt modified electrodes was investigated in different media. Morphology of the deposits of PANI were observed by SEM analysis, complemented by the EDX techniques to obtain the Ag composition that shows that Ag is deposited in the polymeric matrix which covered the whole platinum surface. The electrodic system comprising Ag/PANI/ Pt electrode exhibited a more important electrocatalytic response for ethylene oxidation in neutral solutions than the PAN/Pt and Pt electrodes at 20 ºC.The results suggest that the oxidation of ethylene on Ag/PANI/Pt electrode is limited by adsorption-controlled reaction while the oxidation at PANI/Pt is mass transport-limited.

  7. Predicting the 5-Year Risk of Biochemical Relapse After Postprostatectomy Radiation Therapy in ≥PT2, pN0 Patients With a Comprehensive Tumor Control Probability Model

    Energy Technology Data Exchange (ETDEWEB)

    Fiorino, Claudio, E-mail: fiorino.claudio@hsr.it [Department of Medical Physics, San Raffaele Scientific Institute, Milan (Italy); Broggi, Sara [Department of Medical Physics, San Raffaele Scientific Institute, Milan (Italy); Fossati, Nicola [Division of Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan (Italy); Cozzarini, Cesare [Department of Radiotherapy, IRCCS Ospedale San Raffaele, Milan (Italy); Goldner, Gregor [Klinik für Radioonkologie, Medizinische Universität Wien, Wien (Austria); Wiegel, Thomas [Department of Radiation Oncology, University Hospital Ulm, Ulm (Germany); Hinkelbein, Wolfgang [Department of Radiation Oncology, Charité Universitats Medizin, Campus Benjamin Franklin, Berlin (Germany); Karnes, R. Jeffrey; Boorjian, Stephen A. [Department of Urology, Mayo Clinic Rochester, Rochester, Minnesota (United States); Haustermans, Karin [Department of Radiotherapy, University Hospitals Leuven, Leuven (Belgium); Joniau, Steven [Department of Urology, University Hospitals Leuven, Leuven (Belgium); Palorini, Federica [Department of Medical Physics, San Raffaele Scientific Institute, Milan (Italy); Shariat, Shahrokh [Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna General Hospital, Vienna (Austria); Montorsi, Francesco [Division of Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan (Italy); Van Poppel, Hein [Department of Urology, University Hospitals Leuven, Leuven (Belgium); Di Muzio, Nadia [Department of Radiotherapy, IRCCS Ospedale San Raffaele, Milan (Italy); Calandrino, Riccardo [Department of Medical Physics, San Raffaele Scientific Institute, Milan (Italy); Briganti, Alberto [Division of Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan (Italy)

    2016-10-01

    Purpose: To fit the individual biochemical recurrence-free survival (bRFS) data from patients treated with postprostatectomy radiation therapy (RT) with a comprehensive tumor control probability (TCP) model. Methods and Materials: Considering pre-RT prostate-specific antigen (PSA) as a surrogate of the number of clonogens, bRFS may be expressed as a function of dose-per-fraction–dependent radiosensitivity (α{sub eff}), the number of clonogens for pre-RT PSA = 1 ng/mL (C), and the fraction of patients who relapse because of clonogens outside the treated volume (K), assumed to depend (linearly or exponentially) on pre-RT PSA and Gleason score (GS). Data from 894 node-negative, ≥pT2, pN0 hormone-naive patients treated with adjuvant (n=331) or salvage (n=563) intent were available: 5-year bRFS data were fitted grouping patients according to GS (<7:392, =7:383, >7:119). Results: The median follow-up time, pre-RT PSA, and dose were 72 months, 0.25 ng/mL, and 66.6 Gy (range 59.4-77.4 Gy), respectively. The best-fit values were 0.23 to 0.26 Gy{sup −1} and 10{sup 7} for α{sub eff} and C for the model considering a linear dependence between K and PSA. Calibration plots showed good agreement between expected and observed incidences (slope: 0.90-0.93) and moderately high discriminative power (area under the curve [AUC]: 0.68-0.69). Cross-validation showed satisfactory results (average AUCs in the training/validation groups: 0.66-0.70). The resulting dose-effect curves strongly depend on pre-RT PSA and GS. bRFS rapidly decreases with PSA: the maximum obtainable bRFS (defined as 95% of the maximum) declined by about 2.7% and 4.5% for each increment of 0.1 ng/mL for GS <7 and ≥7, respectively. Conclusions: Individual data were fitted by a TCP model, and the resulting best-fit parameters were radiobiologically consistent. The model suggests that relapses frequently result from clonogens outside the irradiated volume, supporting the choice of lymph

  8. Reduction of Pt2+ species in model Pt-CeO2 fuel cell catalysts upon reaction with methanol

    Science.gov (United States)

    Neitzel, Armin; Johánek, Viktor; Lykhach, Yaroslava; Skála, Tomáš; Tsud, Nataliya; Vorokhta, Mykhailo; Matolín, Vladimír; Libuda, Jörg

    2016-11-01

    The stability of atomically dispersed Pt2+ species on the surface of nanostructured CeO2 films during the reaction with methanol has been investigated by means of synchrotron radiation photoelectron spectroscopy and resonant photoemission spectroscopy. The isolated Pt2+ species were prepared at low Pt concentration in Pt-CeO2 film. Additionally, Pt2+ species coexisting with metallic Pt particles were prepared at high Pt concentration. We found that adsorption of methanol yields similar decomposition products regardless of Pt concentration in Pt-CeO2 films. A small number of oxygen vacancies formed during the methanol decomposition can be replenished in the Pt-CeO2 film with low Pt concentration by diffusion of oxygen from the bulk. In the presence of supported Pt particles, a higher number of oxygen vacancies leads to a partial reduction of the Pt2+ species. The isolated Pt2+ species are reduced under rather strongly reducing conditions only, i.e. during annealing under continuous exposure to methanol. Reduction of isolated Pt2+ species results in the formation of ultra-small Pt particles containing around 25 atoms per particle or less. Such ultra-small Pt particles demonstrate excellent stability against sintering during annealing of Pt-CeO2 film with low Pt concentration under reducing conditions.

  9. A view from Riggs: treatment resistance and patient authority-IX. Integrative psychodynamic treatment of psychotic disorders.

    Science.gov (United States)

    Tillman, Jane G

    2008-01-01

    Psychotic spectrum disorders present treatment challenges for patients, families, and clinicians. This article addresses the history of the dualism in the field between biological and psychological approaches to mental disorders, and surveys the contemporary literature about the etiology and treatment of psychotic spectrum disorders. An integrative approach to treatment derived from work at Austen Riggs with previously treatment refractory patients with psychotic spectrum disorders is described that combines individual psycho- dynamic psychotherapy, psychopharmacology, family systems approaches, and intensive psychosocial engagement. Helping patients develop their own authority to join the treatment, use relationships for learning, and understand the meaning of their symptoms is central to the treatment at Austen Riggs. An extended case vignette of a patient diagnosed with a schizoaffective disorder is presented illustrating this integrative psychodynamic treatment approach.

  10. An Affect-Centered Model of the Psyche and its Consequences for a New Understanding of Nonlinear Psychodynamics

    Science.gov (United States)

    Ciompi, Luc

    At variance with a purely cognitivistic approach, an affect-centered model of mental functioning called `fractal affect-logic' is presented on the basis of current emotional-psychological and neurobiological research. Functionally integrated feeling-thinking-behaving programs generated by action appear in this model as the basic `building blocks' of the psyche. Affects are understood as the essential source of energy that mobilises and organises both linear and nonlinear affective-cognitive dynamics, under the influence of appropriate control parameters and order parameters. Global patterns of affective-cognitive functioning form dissipative structures in the sense of Prigogine, with affect-specific attractors and repulsors, bifurcations, high sensitivity for initial conditions and a fractal overall structure that may be represented in a complex potential landscape of variable configuration. This concept opens new possibilities of understanding normal and pathological psychodynamics and sociodynamics, with numerous practical and theoretical implications.

  11. Short-term psychodynamic psychotherapy in patients with "male depression" syndrome, hopelessness, and suicide risk: a pilot study.

    Science.gov (United States)

    Angeletti, Gloria; Pompili, Maurizio; Innamorati, Marco; Santucci, Chiara; Savoja, Valeria; Goldblatt, Mark; Girardi, Paolo

    2013-01-01

    Objectives and Methods. This was an observational study of the efficacy of short-term psychodynamic psychotherapy (STPP) in a sample of 35 (30 women and 5 men) patients with moderate-to-severe "male depression" (Gotland Scale for Male Depression (GSMD) ≥ 13) comorbid with unipolar mood disorder (dysthymia and major depression) or anxiety disorder. Outcome measures were GSMD and BHS (Beck Hopelessness Scale) score changes from baseline. Results. Patients had a strong response to STPP on the GSMD (estimated mean score change (± SE) = -9.08 ± 2.74; P hopelessness at the baseline (partial r = 0.62; P hopelessness was only marginally reduced by this treatment which points to the need to better understand how STPP can be involved in the reduction of suicide risk.

  12. The therapeutic focus in significant sessions of master therapists: a comparison of cognitive-behavioral and psychodynamic-interpersonal interventions.

    Science.gov (United States)

    Goldfried, M R; Raue, P J; Castonguay, L G

    1998-10-01

    Using the Coding System of Therapeutic Focus, this exploratory study was a comparative process analysis of clinically significant sessions obtained from 22 master cognitive-behavior and 14 master psychodynamic-interpersonal therapists. Therapists were nominated by experts in each of these orientations, and clients were seen in a naturalistic setting for problems with anxiety, depression, or both. Relatively few between-groups differences emerged with this master therapist sample. However, regardless of theoretical orientation, several differences were found between those portions of the session labeled by therapists as being clinically significant and those viewed as less significant. As these findings are different from those obtained in a previous study of the therapeutic focus in interventions carried out within the context of a controlled clinical trial, some of the possible factors contributing to these differences are noted.

  13. [Crisis interventions with patients with borderline personality disorder. Part 1: Preventive and resolving approaches in individual psychodynamic therapy].

    Science.gov (United States)

    Renaud, Suzane

    2004-01-01

    Patients suffering from borderline personality disorder have by definition a poorly functional personality which is readily reacting to changes and psychosocial stressors with recurrent crises. A personality disorder is necessarily fraught with interpersonal difficulties, and it is often within the individual psychotherapeutic encounter that such clashes develop. This article discusses basic principles offering clinicians ways to prevent or structure crisis intervention adapted to borderline personality disorder within the individual psychotherapy context. It thus reviews various clinical issues such as suicidal or homicidal threats, conflicts related to requests expressed by the patient, the absence of the therapist or attempts at breaking the therapeutic framework in order to offer intervention modalities for the resolution of these crises.

  14. Systematic reviews of randomised clinical trials examining the effects of psychotherapeutic interventions versus "no intervention" for acute major depressive disorder and a randomised trial examining the effects of "third wave" cognitive therapy versus mentalization-based treatment for acute major

    DEFF Research Database (Denmark)

    Jakobsen, Janus Christian

    2014-01-01

    Major depressive disorder afflicts an estimated 17% of individuals during their lifetimes at tremendous suffering and costs. Cognitive therapy and psychodynamic therapy may be effective treatment options for major depressive disorder, but the effects have only had limited assessment in systematic...... reviews. The two modern forms of psychotherapy, "third wave" cognitive therapy and mentalization-based treatment, have both gained some ground as treatments of psychiatric disorders. No randomised trial has compared the effects of these two interventions for major depressive disorder. We performed two...... systematic reviews with meta-analyses and trial sequential analyses using The Cochrane Collaboration methodology examining the effects of cognitive therapy and psycho-dynamic therapy for major depressive disorder. We developed a thorough treatment protocol for a randomised trial with low risks of bias...

  15. Synthesis, shape control, and methanol electro-oxidation properties of Pt-Zn alloy and Pt3Zn intermetallic nanocrystals.

    Science.gov (United States)

    Kang, Yijin; Pyo, Jun Beom; Ye, Xingchen; Gordon, Thomas R; Murray, Christopher B

    2012-06-26

    We report the first synthesis of highly monodisperse Pt(3)Zn nanocrystals (NCs). Shape-controlled synthesis generates cubic and spherical Pt-Zn NCs. Reaction temperature is the key to incorporate Zn into Pt, even in the absence of a strong reducing agent. The Pt-Zn NCs are active toward methanol oxidation, with the spherical NCs exhibiting higher activity than the cubic NCs. The Pt-Zn alloy phase can be transformed into the Pt(3)Zn intermetallic phase, upon annealing. The intermetallic Pt(3)Zn shows better performance than the alloy phase Pt-Zn. Besides the activity toward methanol oxidation, Pt-Zn NCs show excellent poisoning tolerance. With activities comparable to the commercial Pt catalyst, enhanced poisoning tolerance and lower cost, Pt-Zn and Pt(3)Zn NCs are a promising new family of catalysts for direct methanol fuel cells.

  16. Consensus Guidelines for Implementing Pencil-Beam Scanning Proton Therapy for Thoracic Malignancies on Behalf of the PTCOG Thoracic and Lymphoma Subcommittee

    NARCIS (Netherlands)

    Chang, Joe Y.; Zhang, Xiaodong; Knopf, Antje; Li, Heng; Mori, Shinichiro; Dong, Lei; Lu, Hsiao-Ming; Liu, Wei; Badiyan, Shahed N.; Both, Stephen; Meijers, Arturs; Lin, Liyong; Flampouri, Stella; Li, Zuofeng; Umegaki, Kikuo; Simone, Charles B.; Zhu, Xiaorong R.

    2017-01-01

    Pencil-beam scanning (PBS) proton therapy (PT), particularly intensity modulated PT, represents the latest advanced PT technology for treating cancers, including thoracic malignancies. On the basis of virtual clinical studies, PBS-PT appears to have great potential in its ability to tightly tailor

  17. On the noise performance of pt electrodes.

    Science.gov (United States)

    Liu, Xiao; Demosthenous, Andreas; Donaldson, Nick

    2007-01-01

    We measured the noise and impedance from Pt electrode pairs in a frequency band from 100 Hz to 10 kHz, containing the ENG band (500 Hz 5 kHz). The results show that the Pt electrode noise is the same as the thermal noise from the real part of the electrode impedance, which is a summation of the polarisation resistance and the access resistance. This differs from Ag-AgCl electrodes for which the electrode noise has been reported to be higher than the thermal noise. Our study shows that Pt electrodes are suitable for neural recording.

  18. Phase behavior of Au and Pt surfaces

    DEFF Research Database (Denmark)

    Grübel, G.; Gibbs, D.; Zehner, D.M.

    1993-01-01

    We summarize the results of X-ray scattering studies of the Au(001) and Pt(001) surfaces between 300 K and their respective bulk melting temperatures (T(m)). Both surfaces exhibit three distinct structural phases. At high temperatures (0.88T(m) surfaces are disordered. The Pt(001......) surface is rough. At a temperature of T/T(m) almost-equal-to 0.88 there are reversible phase transformations to incommensurate, corrugated-hexagonal phases. Below T/T(m) almost-equal-to 0.8 hexagonal domains rotate with respect to the substrate orientation. In Pt, the rotational transformation...

  19. Superconductivity in U-Pt system with low Pt concentrations (≤15 at.%)

    Science.gov (United States)

    Kim-Ngan, N.-T. H.; Havela, L.; Paukov, M.; Drozdenko, D.; Minarik, P.; Chrobak, M.; Tarnawski, Z.; Sowa, S.; Krupska, M.; Duda, A.

    2018-03-01

    We report the study of superconductivity in U-Pt alloys with Pt alloying concentration in the range of 0 - 15 at.%. We have succeed to retain the high-temperature (cubic) γ-U phase down to low temperatures in U-15 at.% Pt alloy by means of splat-cooling technique with a cooling rate better than 106 K/s (U-15 at.% Pt splat). The superconducting phase transitions are revealed below 1 K from electrical resistivity and specific heat measurements in applied magnetic fields for all investigated splat-cooled alloys. We underline the difference in the superconducting transition in U-15at.% Pt splats with that in the as-cast bulk and annealed bulk sample with the same Pt concentration.

  20. Mesoporous Pt and Pt/Ru alloy electrocatalysts for methanol oxidation

    Energy Technology Data Exchange (ETDEWEB)

    Franceschini, Esteban A. [Grupo de Celdas de Combustible, Departamento de Fisica de la Materia Condensada, Centro Atomico Constituyentes, CNEA. Av. General Paz 1499 (1650), San Martin, Buenos Aires (Argentina); Planes, Gabriel A. [Departamento de Quimica, Facultad de Ciencias Exactas, Fisicoquimicas y Naturales, Universidad Nacional de Rio Cuarto, Agencia Postal No 3, 5800, Rio Cuarto (Argentina); Williams, Federico J. [Departamento de Quimica Inorganica, Analitica y Quimica-Fisica, INQUIMAE CONICET, Facultad Ciencias Exactas y Naturales, Pabellon 2, Ciudad Universitaria, Buenos Aires (Argentina); Soler-Illia, Galo J.A.A. [Gerencia de Quimica, Centro Atomico Constituyentes, CNEA. Av. General Paz 1499 (1650), San Martin, Buenos Aires (Argentina); Corti, Horacio R. [Grupo de Celdas de Combustible, Departamento de Fisica de la Materia Condensada, Centro Atomico Constituyentes, CNEA. Av. General Paz 1499 (1650), San Martin, Buenos Aires (Argentina); Departamento de Quimica Inorganica, Analitica y Quimica-Fisica, INQUIMAE CONICET, Facultad Ciencias Exactas y Naturales, Pabellon 2, Ciudad Universitaria, Buenos Aires (Argentina)

    2011-02-15

    Mesoporous Pt and Pt/Ru catalysts with 2D-hexagonal mesostructure were synthesized using a triblock poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide) copolymer (Pluronic F127 {sup registered}) template, on a gold support. Large electrochemical surface areas were observed for the catalysts prepared at high overpotentials. Compared to the Pt catalyst, the Pt/Ru alloy containing 3 at% of Ru exhibited lower onset potential and more than three times the limit mass activity for methanol oxidation. This behavior is assigned to the larger pore size of the mesoporous Pt and Pt/Ru catalysts obtained with this template that seems to improve the methanol accessibility to the active sites compared to those obtained using lyotropic liquid crystals. (author)

  1. Active Pt3Ni (111) Surface of Pt3Ni Icosahedron for Oxygen Reduction.

    Science.gov (United States)

    Zhu, Jianbing; Xiao, Meiling; Li, Kui; Liu, Changpeng; Zhao, Xiao; Xing, Wei

    2016-11-09

    Highly active, durable oxygen reduction reaction (ORR) electrocatalysts are extremely important for fuel cell applications. Herein, we provide an efficient way to synthesis of activity Pt 3 M icosahedra by the one-pot hydrothermal method in the presence of glucosamine which can well adjust the reduction rate of Pt 4+ and efficiently control the morphology of final catalysts. Compared to Pt/C, the Pt 3 Ni icosahedra show 32-fold and 12-fold enhancement in specific and mass activity, respectively. Furthermore, robust durability was also observed in the accelerated durability test. Thus, this Pt 3 Ni icosahedron is found among the best Pt-based ORR catalysts, moreover, the findings also demonstrate how to mimic active extended surfaces in nanoscale.

  2. Pengukuran Kepuasan Kerja Karyawan APLP & A PT Semen Padang (PT X

    Directory of Open Access Journals (Sweden)

    Shelly Nolandari

    2016-04-01

    Full Text Available Thoughts on employee satisfaction arise because the company believes its employees have a high level of satisfaction will result in a better level of productivity, work more accurate, the fewer the number of absences and higher loyalty than employees with low satisfaction levels.Company's with good productivity will grow and increase revenue. PT Semen Padang has several subsidiaries and affiliates like PT X. PT X will measure employee satisfaction with the company's expectations are always making changes that sustainable about employee satisfaction because companies believe that employee satisfaction level of its high yield levels better productivity, work more accurate, the number of absences are fewer and loyalty higher than employees with low satisfaction levels. Companies with good productivity will experience growth as indicated by the increase in revenue, in line with the increase in the welfare of the employees. PT Semen Padang has several subsidiaries and affiliates PT X. PT Xwill measure employee satisfaction with the Company's expectations.

  3. Nuclear Data Sheets for 181Pt

    Science.gov (United States)

    Baglin, Coral M.

    1999-06-01

    Nuclear structure data pertaining to 181Pt have been compiled and evaluated, and incorporated into the ENSDF data file. This evaluation of 181Pt supersedes the previous publication (R. B. Firestone, Nuclear Data Sheets 62, 101 (1991) (literature cutoff date October 1990)), and includes literature available by 2 July 1999. New references since last publication: 1998RoZY, 1995Au04, 1993Me13, 1992Sa03 (supersedes 1990SaZU).

  4. Resistive switching in Pt/TiO{sub 2}/Pt

    Energy Technology Data Exchange (ETDEWEB)

    Jeong, Doo Seok

    2008-08-15

    Recently, the resistive switching behavior in TiO{sub 2} has drawn attention due to its application to resistive random access memory (RRAM) devices. TiO{sub 2} shows characteristic non-volatile resistive switching behavior, i.e. reversible switching between a high resistance state (HRS) and a low resistance state (LRS). Both unipolar resistive switching (URS) and bipolar resistive switching (BRS) are found to be observed in TiO{sub 2} depending on the compliance current for the electroforming. In this thesis the characteristic current-voltage (I-V) hysteresis in three different states of TiO{sub 2}, pristine, URS-activated, and BRS-activated states, was investigated and understood in terms of the migration of oxygen vacancies in TiO{sub 2}. The I-V hysteresis of pristine TiO{sub 2} was found to show volatile behavior. That is, the temporary variation of the resistance took place depending on the applied voltage. However, the I-V hysteresis of URS- and BRS-activated states showed non-volatile resistive switching behavior. Some evidences proving the evolution of oxygen gas during electroforming were obtained from time-of-flight secondary ion mass spectroscopy analysis and the variation of the morphology of switching cells induced by the electroforming. On the assumption that a large number of oxygen vacancies are introduced by the electroforming process, the I-V behavior in electroformed switching cells was simulated with varying the distribution of oxygen vacancies in electroformed TiO{sub x} (x Pt/TiO{sub x} interface. The oxygen-related reactions given as a function of the applied voltage affect the distribution of oxygen vacancies in TiO{sub x}, consequently, the Schottky barrier height at the cathode/TiO{sub x} interface is influenced by the oxygen vacancy distribution. Therefore, the BRS behavior including the

  5. Electrocatalysis of fuel cells reaction on Pt and Pt-bimetallic anode catalysts: A selective review

    Directory of Open Access Journals (Sweden)

    Stamenković Vojislav

    2002-01-01

    Full Text Available In this review we selectively summarize recent progress, primarily from our laboratory, in the development of interrelationships between the kinetics of the fuel cells reactions and the structure/composition of anode catalysts. The focus is placed on two types of metallic surfaces: platinum single crystals and bimetallic surfaces based on Pt. In the first part it was illustrated that the hydcogen reaction is structure sensitive process, with Pt(110 being an order of magnitude more active than either of the atomically "flatter" (100 and (111 surfaces. The hydrogen reaction on Pt(hkl modified by pseudomorphic Pd (submonolayers shows the "volcano-like" behavior, having the maximum rate on Pt(111 modified by 1 ML of Pd. The Pt(111-Pd system is used to demonstrate how the energetics of intermediates formed in the hydrogen reaction is affected by interfacial bonding and energetic constraints produced between pseudomorphic Pd films and the Pt(111 substrate. In the second part it was shown that the oxidation of Ha in the presence of CO occurs concurrently with CO oxidation on Pt and Pt bimetallic surfaces. The Pt-Ru system is used to demonstrate that both the bifunctional effect and the ligand effect contribute to the influence of Ru on the CO oxidation rate and for Hz oxidation process in the presence of CO. The knowledge is then used to create the real-life catalyst with the catalytic activities which are, to the greatest extend possible similar to the tailor-made surface.

  6. Essentials of psychoanalytic process and change: how can we investigate the neural effects of psychodynamic psychotherapy in individualized neuro-imaging?

    OpenAIRE

    Heinz eBoeker; André eRichter; Holger eHimmighoffen; Jutta eErnst; Laura eBohleber; Elena eHofmann; Johannes eVetter; Georg eNorthoff

    2013-01-01

    The paper focuses on the essentials of psychoanalytic process and change and the question of how the neural correlates and mechanisms of psychodynamic psychotherapy can be investigated. The psychoanalytic approach aims at enabling the patient to “remember, repeat, and work through” concerning explicit memory. Moreover, the relationship between analyst and patient establishes a new affective configuration which enables a reconstruction of the implicit memory. If psychic change can be achieved ...

  7. [Changes in OPD-CA Axis Structure During Inpatient Psychodynamic Treatment of Adolescents Suffering from Comorbid Disorders of Conduct and Emotions].

    Science.gov (United States)

    Cropp, Carola; Salzer, Simone; Streeck-Fischer, Annette

    2016-01-01

    In a randomized controlled clinical trial (RCT) we evaluated an inpatient psychodynamic treatment for adolescents suffering from mixed disorders of conduct and emotions. The sample consisted of severely impaired adolescents with remarkable deficits regarding psychic structure. The current study wanted to examine if the manualized treatment did not only reduce symptoms but also enhance the structural level of the patients. The axis structure of the Operationalized Psychodynamic Diagnostics in Childhood and Adolescence (OPD-CA) was used to assess the structural level of N = 46 adolescent inpatients. To examine differences between the patients‘ structural level at the beginning and at the end of inpatient treatment we conducted a repeated measures ANOVA. The overall score as well as the three subscores of the axis structure improved significantly during inpatient treatment. The corresponding effect sizes were large (η(2) = .29 to .47). The inpatient psychodynamic treatment led to significant improvements regarding symptomatology as well as psychic structure. However, further studies with larger sample size and control group data should be conducted to confirm these results.

  8. Preparation of PtSn/C, PtRu/C, PtRh/C, PtRuRh/C and PtSnRh/C electrocatalysts using an alcohol-reduction process for methanol and ethanol oxidation; Preparacao e caracterizacao de eletrocatalisadores PtRu, PtSn, PtRh, PtRuRh e PtSnRh para oxidacao direta de alcoois em celulas a combustivel tipo PEM utilizando a metodologia da reducao por alcool

    Energy Technology Data Exchange (ETDEWEB)

    Dias, Ricardo Rodrigues

    2009-07-01

    In this work, Pt/C, PtRh (90:10), PtRh/C (50:50), PtSn/C (50:50), PtRu (50:50)/C, PtRuRh/C (50:40:10) and PtSnRh/C (50:40:10) were prepared by an alcohol-reduction process with metal loading of 20 wt.% using H{sub 2}PtCl{sub 6}.6H{sub 2}O (Aldrich), SnCl{sub 2}.2H{sub 2}O (Aldrich),and RhCl{sub 2}.XH{sub 2}O (Aldrich) as metals sources and Vulcan XC72 as support. The electrocatalysts were characterized by EDX, XRD and cyclic voltammetry (CV). The electro-oxidation of ethanol was studied by CV, chronoamperomety at room temperature in acid medium and tests at 100 deg C on a single cell of a direct methanol or ethanol fuel cell. The EDX analysis showed that the metal atomic ratios of the obtained electrocatalysts were similar to the nominal atomic ratios used in the preparation. The diffractograms of electrocatalysts prepared showed four peaks at approximately 2{theta} =40 deg, 47 deg, 67 deg and 82 deg, which are associated with the (111), (200), (220) and (311) planes, respectively, of a face cubic-centered (fcc) structure characteristic of platinum and platinum alloys. The average crystallite sizes using the Scherrer equation and the calculated values were in the range of 2-3 nm. For Pt Sn/C and PtSnRh/C two additional peaks were observed at 2 = 34 deg and 52 deg that were identified as a SnO{sub 2} phase. Pt Sn/C (50:50) and PtSnRh/C (50:40:10) electro catalyst showed the best performance for ethanol oxidation at room temperature. For methanol oxidation at room temperature Pt Ru/C, Pt Sn/C and PtRuRh/C electrocatalysts showed the best performance. Tests at 100 deg C on a single cell of a direct ethanol fuel cell PtSnRh/C showed the best performance, for methanol oxidation PtRuRh/C showed the best performance. (author)

  9. Synthesis of Supported NiPt Bimetallic Nanoparticles, Methods for Controlling the Surface Coverage of Ni Nanoparticles With Pt, Methods Of Making NiPt Multilayer Core-Shell Structures and Application of the Supported Catalysts for CO2 Reforming

    KAUST Repository

    Li, Lidong

    2015-06-25

    Embodiments of the present disclosure provide for supported Ni/Pt bimetallic nanoparticles, compositions including supported NiPt nanoparticles, methods of making supported NiPt nanoparticles, methods of using supported NiPt nanoparticles, and the like.

  10. H2PtCl6-derived Pt nanoparticles on USY zeolite: A qualitative and quantitative electron tomography study

    NARCIS (Netherlands)

    Zecevic, J.|info:eu-repo/dai/nl/341386715; van der Eerden, A.M.J.|info:eu-repo/dai/nl/304840483; Friedrich, H.|info:eu-repo/dai/nl/304837350; de Jongh, P.E.|info:eu-repo/dai/nl/186125372; de Jong, K.P.|info:eu-repo/dai/nl/06885580X

    2012-01-01

    The structural details of a bifunctional Pt/USY catalyst were studied using electron tomography. As a part of a fundamental study on the synthesis of Pt/USY catalyst, H2PtCl6 precursor was used for the impregnation of USY zeolite support as a source of negatively charged PtCl62− ions in order to

  11. Pt skin coated hollow Ag-Pt bimetallic nanoparticles with high catalytic activity for oxygen reduction reaction

    Science.gov (United States)

    Fu, Tao; Huang, Jianxing; Lai, Shaobo; Zhang, Size; Fang, Jun; Zhao, Jinbao

    2017-10-01

    The catalytic activity and stability of electrocatalyst is critical for the commercialization of fuel cells, and recent reports reveal the great potential of the hollow structures with Pt skin coat for developing high-powered electrocatalysts due to their highly efficient utilization of the Pt atoms. Here, we provide a novel strategy to prepare the Pt skin coated hollow Ag-Pt structure (Ag-Pt@Pt) of ∼8 nm size at room temperature. As loaded on the graphene, the Ag-Pt@Pt exhibits a remarkable mass activity of 0.864 A/mgPt (at 0.9 V, vs. reversible hydrogen electrode (RHE)) towards oxygen reduction reaction (ORR), which is 5.30 times of the commercial Pt/C catalyst, and the Ag-Pt@Pt also shows a better stability during the ORR catalytic process. The mechanism of this significant enhancement can be attributed to the higher Pt utilization and the unique Pt on Ag-Pt surface structure, which is confirmed by the density functional theory (DFT) calculations and other characterization methods. In conclusion, this original work offers a low-cost and environment-friendly method to prepare a high active electrocatalyst with cheaper price, and this work also discloses the correlation between surface structures and ORR catalytic activity for the hollow structures with Pt skin coat, which can be instructive for designing novel advanced electrocatalysts for fuel cells.

  12. Pt and PtRu catalyst bilayers increase efficiencies for ethanol oxidation in proton exchange membrane electrolysis and fuel cells

    Science.gov (United States)

    Altarawneh, Rakan M.; Pickup, Peter G.

    2017-10-01

    Polarization curves, product distributions, and reaction stoichiometries have been measured for the oxidation of ethanol at anodes consisting of Pt and PtRu bilayers and a homogeneous mixture of the two catalysts. These anode structures all show synergies between the two catalysts that can be attributed to the oxidation of acetaldehyde produced at the PtRu catalyst by the Pt catalyst. The use of a PtRu layer over a Pt layer produces the strongest effect, with higher currents than a Pt on PtRu bilayer, mixed layer, or either catalyst alone, except for Pt at high potentials. Reaction stoichiometries (average number of electrons transferred per ethanol molecule) were closer to the values for Pt alone for both of the bilayer configurations but much lower for PtRu and mixed anodes. Although Pt alone would provide the highest overall fuel cell efficiency at low power densities, the PtRu on Pt bilayer would provide higher power densities without a significant loss of efficiency. The origin of the synergy between the Pt and PtRu catalysts was elucidated by separation of the total current into the individual components for generation of carbon dioxide and the acetaldehyde and acetic acid byproducts.

  13. Interlayer Thickness Effects on Magnetic Properties of X/FePtAg (X=FePt/Fe and Fe/FePt Trilayers

    Directory of Open Access Journals (Sweden)

    Jai-Lin Tsai

    2012-01-01

    Full Text Available A soft/hard FePt/Fe/FePtAg and Fe/FePt/FePtAg trilayers with perpendicular magnetization were prepared on a glass substrate. Inserting disordered FePt layer allowed modification of magnetic anisotropy of the Fe/FePtAg sharp interface to Fe/FePt/FePtAg stepwise interface. The out-of-plane coercivity field was modulated as a function of the FePt thickness because of the interface coupling attenuation between Fe and FePtAg. The coercivity was inversely proportional to the FePt thickness as evidenced by the pinning effect at the stepwise interface. Additionally, the out-of-plane magnetization was controlled by domain wall pinning effect. The in-plane magnetization reversal processes occurred in two steps like in exchange spring systems and attributed to the domain wall nucleation and its propagation from Fe/FePt layer into FePtAg layer.

  14. EFEKTIVITAS IMPLEMENTASI CORPORATE SOCIAL RESPOSIBILITY PT. ABC

    Directory of Open Access Journals (Sweden)

    Rizkiaji Rikky Djunaedi

    2015-12-01

    Full Text Available The purposes of this study were 1 to analyze public perceptions on the effectiveness of the implementation of CSR of PT. A B C; 2 to analyze the implementation of CSR activities by PT. A B C; 3 to formulate strategies to improve the effectiveness of the implementation of CSR of PT. A B C. The method used in this research was descriptive analysis with a survey approach to measure expectations and performance assessment on the CSR implemented programs by the public, and there were respondents 104 respondents involved in this study. This study used the Importance-Performance Analysis (IPA aiming to determine the effectiveness of the programs that have been implemented and to map the relationship between the expectations and the performance of each variable. Furthermore, using a SWOT analysis of the data processing and of the objectives of the program made by CSR is expected to provide recommendations to develop strategies in order to increase the effectiveness of CSR program of ABC Company.Keywords: corporate social responsibility (CSR, mining industry, implementation analysis, IPA, SWOTAbstrakTujuan dari  penelitian ini adalah 1 menganalisis persepsi masyarakat teradap efektivitas implementasi CSR PT. ABC; 2 menganalisis pelaksanaan  kegiatan CSR oleh PT. ABC; 3 merumuskan strategi untuk meningkatkan efektivitas implementasi CSR PT. ABC. Metode yang digunakan dalam penelitian ini adalah analisis deskriptif dengan pendekatan survey untuk mengukur harapan dan penilaian kinerja oleh masyarakat atas program CSR yang diterapkan. Jumlah responden sebanyak 104 orang.  Dalam penelitian ini digunakan Analisis Importance-Performance Analysis (IPA bertujuan untuk mengetahui efektifitas dari program-program yang telah dijalankan serta  memetakan hubungan antara harapan dengan kinerja dari masing-masing variabel. Selanjutnya menggunakan analisis SWOT dari hasil pengolahan data dan dari tujuan program dibuat oleh CSR sehingga dapat memberikan rekomendasi

  15. Benchmarking Pt and Pt-lanthanide sputtered thin films for oxygen electroreduction

    DEFF Research Database (Denmark)

    Zamburlini, Eleonora; Jensen, Kim Degn; Stephens, Ifan E.L.

    2017-01-01

    Platinum-lanthanide alloys are very promising as active and stable catalysts for the oxygen reduction reaction (ORR) in low-temperature fuel cells. We have fabricated Pt and Pt5Gd metallic thin films via (co-)sputtering deposition in an ultra-high vacuum (UHV) chamber. The electrochemical ORR...

  16. Electrochemical promotion of catalytic reactions with Pt/C (or Pt/Ru/C)//PBI catalysts

    DEFF Research Database (Denmark)

    Petrushina, Irina; Bjerrum, Niels; Bandur, Viktor

    2007-01-01

    The paper is an overview of the results of the investigation on electrochemical promotion of three catalytic reactions: methane oxidation with oxygen, NO reduction with hydrogen at 135 degrees C and Fischer-Tropsch synthesis (FTS) at 170 degrees C in the [CH4/O-2(or NO/H-2 or CO/H-2)/Ar//Pt(or Pt...

  17. PENGARUH LOGISTICS SERVICE QUALITY TERHADAP CUSTOMER SATISFACTION CAT EMCO PT SATRIAKARYA ADIYUDHA (PT SKAY)

    OpenAIRE

    Versa, Bianda

    2014-01-01

    Penelitian ini dilakukan untuk mengetahui pengaruh logistics service quality terhadap customer satisfaction cat Emco PT Satriakarya Adiyudha (PT SKAY). Untuk mengukur kepuasan pelanggan maka dipergunakan logistics service quality terutama pada 7 dimensi yaitu order release quantities, information quality, ordering procedures, order accuracy, order condition, order discrepancy handling dan timeliness. Pada penelitian kausal ini digunakan pendekatan penelitian kuantitatif dengan membagikan kues...

  18. Cyclic voltammograms for H on Pt(111) and Pt(100) from first principles

    DEFF Research Database (Denmark)

    Karlberg, Gustav; Jaramillo, Thomas; Skulason, Egill

    2007-01-01

    Cyclic voltammetry is a fundamental experimental method for characterizing electrochemical surfaces. Despite its wide use, a way to quantitatively and directly relate cyclic voltammetry to ab initio calculations has been lacking. We derive the cyclic voltammogram for H on Pt(111) and Pt(100), based...

  19. Synthesis of Pt, Pd, Pt/Ag and Pd/Ag nanoparticles by microwave ...

    Indian Academy of Sciences (India)

    Unknown

    Abstract. Pt, Pd, Pt-Ag and Pd-Ag bimetallic nanoparticles were synthesized in ethylene glycol and glycerol using the microwave technique in the presence of a stabilizer poly(N-vinylpyrrolidone) (PVP). It has been observed that PVP is capable of complexing and stabilizing nanoparticles. Mixed clusters were formed by ...

  20. Electrocatalytic property of PtBi and PtPb line compounds via DFT

    Science.gov (United States)

    Wang, Lin-Lin; Johnson, D. D.

    2007-03-01

    A major obstacle to practical, mass market fuel cell (e.g. hydrogen and direct methanol) technology is CO poisoning of Pt anode. Pt alloys, such as disordered PtxRu(1-x), are known to have an increased CO-tolerance. There has been significant effort to understand the mechanism for increased CO- tolerance and to design better catalyst via alloyed nanoparticles and surface alloys. Alternatively, Pt intermetallic compounds, such as with Bi and Pb, have been observed to improve dramatically the CO-tolerance. [E. Casado- Rivera et al. ChemPhysChem 4, 193 (2003) and J. Am. Chem. Soc. 126, 4043 (2004)] Here we use density functional theory to study the adsorptions of CO, H and OH on these materials. We find that (100) and (110) surfaces of PtBi and PtPb line compounds have lower cleavage energy than (001) surface. Adsorption energies and electronic structure are examined to explain the increased CO-tolerance.

  1. Colloidal Toolbox Synthesis of Pt Nanoalloys

    DEFF Research Database (Denmark)

    Spanos, Ioannis

    /precipitation technique, which is commonly used in industrial synthesis offuel cell catalysts, will serve as reference. In this particular method, due to the slow rate of themetal precursor reduction and conversion to the metallic state and the even slower diffusion of themetal species on the surface of the carbon...... improved reproducibility and control of the particle size andcomposition of the NPs synthesized. As a result, a more thorough investigation of de-alloying andstrain effect on ORR performance was conducted, by preparing Pt-skeleton PtxCo1-x nanoalloys,i.e. by alloying Pt with different amount of cobalt......Abstract Pt-skeleton alloys show great potential as Proton Exchange Membrane Fuel Cell (PEMFC)catalysts. This PhD thesis studies different synthesis methods for nanoparticle fuel cell catalysts ina controlled way and the manner in which properties like nanoparticle size and composition can beeasily...

  2. Dental extractions during anticoagulant therapy.

    Science.gov (United States)

    Anavi, Y; Sharon, A; Gutman, D; Laufer, D

    1981-04-01

    1. 15 patients, whose therapy with the anticoagulant Coumarin was not discontinued, were observed for bleeding following dental extractions. 2. There was no significant bleeding in these patients as compared to 15 others whose Coumarin therapy was temporarily interrupted. 3. Patients with prosthetic heart valves should preferably be hospitalized for dental extractions. but Coumarin/anticoagulant therapy need not be discontinued. The procedures can safely be done within a therapeutic range of 20-30% P.T.

  3. Roles of supports, Pt loading and Pt dispersion in the oxidation of NO to NO2 and of SO2 to SO3

    NARCIS (Netherlands)

    Xue, E.; Xue, E.; Seshan, Kulathuiyer; Ross, J.R.H.; Ross, J.R.H.

    1996-01-01

    Three types of platinum catalysts, Pt/SiO2, Pt/¿-Al2O3 and Pt/ZrO2 were examined for the oxidation of NO to NO2 of SO2 to SO3. The activity order for both oxidation reactions was found to be: Pt/SiO2 > Pt/¿-Al2O3 > Pt/ZrO2. The effect of Pt loading and Pt dispersion on the catalytic activity and

  4. What hath freud wrought? Current confusion and controversies about the clinical practice of psychoanalysis and psychodynamic psychotherapy.

    Science.gov (United States)

    Chessick, Richard D

    2014-12-01

    This article discusses the current state of psychoanalysis and the challenges to the fundamental premises of Freud's psychoanalysis by those who have shifted to relationship or so-called two-person psychologies in our field. The author begins by briefly describing a parallel to the recent history of psychoanalysis in the sudden rise and fall of scholastic philosophy in the 14th century. He then focuses on contemporary attacks on Freud's psychoanalysis as a science, based on the contention by two-person psychologists that free association by the patient and evenly hovering attention by the analyst are actually impossible. He reviews Freud's idea of psychoanalysis, discusses psychodynamic psychotherapy, both conceived as scientific treatment procedures, and describes the current assault on their metapsychological and epistemological foundations. Returning to the parallel between what happened to medieval scholasticism and what has happened to psychoanalysis, he examines why this happened, and the resulting fragmentation of psychoanalytic practice. The article concludes with suggestions for the integration of various schools of psychoanalysis, reminding us of Benjamin Franklin's warning: "We must, indeed, all hang together or, most assuredly, we shall all hang separately."

  5. [About the heterogeneity in adolescents with gender identity disorder: differential importance of psychiatric comorbidity and considerations of individual psychodynamics].

    Science.gov (United States)

    Korte, Alexander; Beier, Klaus M; Vukorepa, Julia; Mersmann, Maik; Albiez, Verena

    2014-01-01

    Gender identity disorder (GID), gender dysphoria (GD) respectively, is considered a multifactorial disease whose etiology is subject to complex bio-psycho-social conditions, each with different weighting. As a result, therapists, who treat children and adolescents with GID/GD, have to deal with a very heterogeneous group with individually varying causes, differing psychopathology and varying disease progression. In addition to general psychiatric aspects of development, particularly psychiatric comorbidity, but also the different individual psychodynamics--i. e. the specific constellation of conflicts and possible ego deficits and structural deficits in the learning history of the person are of differential importance. In regard to the indication for gender reassignment measures this sometimes is relevant for the decision. The difficulties arising for decision making and the usefulness of a systematic evaluation of case reports as a basis for further optimization of the treatment recommendations are illustrated by two case reports. In the course of this, also the disadvantages and potential dangers of too early diagnostic definition and introduction of gender somato-medical and legal measures are shown exemplarily.

  6. Is psychodynamic psychotherapy an effective intervention for individuals at ultra-high risk (UHR of psychosis?: a case report

    Directory of Open Access Journals (Sweden)

    Paula A. Martins

    2012-01-01

    Full Text Available OBJECTIVE: To report a case and to discuss the use of psychodynamic psychotherapy (PD-P to treat individuals at ultra-high risk (UHR of psychosis. METHODS: An individual at UHR was followed up for 24 months. The baseline evaluation included a psychiatric interview, the Structured Interview for Prodromal Symptoms (SIPS, the Scale of Prodromal Symptoms (SOPS, and neuropsychological assessment. He underwent weekly sessions of PD-P for 12 months and was followed up for 12 months after the end of PD-P. The evaluations were at baseline, after 6-, 12-, and 24-month follow-up. No medication was prescribed during the 24-month follow-up. RESULTS: The prodromal symptoms remitted. The initial total score on the SIPS/SOPS was 37 points. After the first 12 months of PD-P, there was a reduction to 12 points on the SIPS/SOPS score, which stabilized in the 24-month follow-up. There was also a slight improvement in his performance on the neuropsychological evaluations. CONCLUSION: This case report suggests that PD-P can reduce prodromal symptoms; nevertheless, a better understanding of the specificity and efficacy of PD-P as an option of treatment for UHR individuals is needed.

  7. Working alliance, real relationship, session quality, and client improvement in psychodynamic psychotherapy: A longitudinal actor partner interdependence model.

    Science.gov (United States)

    Kivlighan, Dennis M; Hill, Clara E; Gelso, Charles J; Baumann, Ellen

    2016-03-01

    We used the Actor Partner Interdependence Model (APIM; Kashy & Kenny, 2000) to examine the dyadic associations of 74 clients and 23 therapists in their evaluations of working alliance, real relationship, session quality, and client improvement over time in ongoing psychodynamic or interpersonal psychotherapy. There were significant actor effects for both therapists and clients, with the participant's own ratings of working alliance and real relationship independently predicting their own evaluations of session quality. There were significant client partner effects, with clients' working alliance and real relationship independently predicting their therapists' evaluations of session quality. The client partner real relationship effect was stronger in later sessions than in earlier sessions. Therapists' real relationship ratings (partner effect) were a stronger predictor of clients' session quality ratings in later sessions than in earlier sessions. Therapists' working alliance ratings (partner effect) were a stronger predictor of clients' session quality ratings when clients made greater improvement than when clients made lesser improvement. For clients' session outcome ratings, there were complex three-way interactions, such that both Client real relationship and working alliance interacted with client improvement and time in treatment to predict clients' session quality. These findings strongly suggest both individual and partner effects when clients and therapists evaluate psychotherapy process and outcome. Implications for research and practice are discussed. (c) 2016 APA, all rights reserved).

  8. Short-Term Psychodynamic Psychotherapy in Patients with “Male Depression” Syndrome, Hopelessness, and Suicide Risk: A Pilot Study

    Directory of Open Access Journals (Sweden)

    Gloria Angeletti

    2013-01-01

    Full Text Available Objectives and Methods. This was an observational study of the efficacy of short-term psychodynamic psychotherapy (STPP in a sample of 35 (30 women and 5 men patients with moderate-to-severe “male depression” (Gotland Scale for Male Depression (GSMD ≥ 13 comorbid with unipolar mood disorder (dysthymia and major depression or anxiety disorder. Outcome measures were GSMD and BHS (Beck Hopelessness Scale score changes from baseline. Results. Patients had a strong response to STPP on the GSMD (estimated mean score change (± SE=−9.08 ± 2.74;P<0.01; partial eta squared  =0.50, but not on the BHS (estimated mean score change (± SE=−0.92 ± 1.55;P=0.57; partial eta squared  =0.03. BHS score changes were significantly associated with GSMD score changes (Pearson's r=0.56; P<0.001, even when controlling for the severity of hopelessness at the baseline (partial r=0.62; P<0.001. Conclusions. STPP proved to be effective in patients suffering from “male depression” although hopelessness was only marginally reduced by this treatment which points to the need to better understand how STPP can be involved in the reduction of suicide risk.

  9. Electrodeposited L10 CoPt nanowires

    DEFF Research Database (Denmark)

    Mallet, J.; Yu-Zhang, K.; Mátéfi-Tempfli, Stefan

    2005-01-01

    Arrays of face-centred cubic (fee) CoPt (0.45 nanowires were electrodeposited into thin film nanoporous alumina supported on a Si substrate. The heat treatment under specific conditions was then carried out in order to transform the fee phase into the face-centred tetragonal or L1 ordered...... phase. The influence of both the phase transition and the temperature on the magnetic properties of Co Pt nanowires has been studied. Coercive fields higher than 1 T (10kOe) have been obtained at room temperature with ordered nanowires, 80 nm in diameter....

  10. Nuclear Data Sheets for 170Pt

    Science.gov (United States)

    Baglin, Coral M.

    1999-02-01

    Nuclear structure data pertaining to170Pt have been compiled and evaluated, and incorporated into the ENSDF data file. This evaluation of170Pt supersedes the previous publication (Coral M. Baglin,Nuclear Data Sheets 77,125 (1996) (literature cutoff date October 1995)), and includes literature available by 17 February 1999. The newly incorporated references are: 98Se20, 98Ki20, 97Ju04, 96Bi07 and 95Au04. Three new data sets have been added, as follows:174Hg α decay,171Au p decay (1.02 ms), (HI,xnγ).

  11. Efektivitas Supervisory Training untuk Supervisor PT X

    OpenAIRE

    Alsa, Amelia

    2015-01-01

    PT X is is a company engaged in the production of paperboard packaging and has been established since 1972. The products are produced in the form of folding carton and corrugated carton. PT X is currently experiencing a variety of problems, a decline in performance, sales profit decline, the lack of top management to take appropriate action, in particular the high turnover rate of plant operations section, and a decrease in the number of repeated orders. Supervisor‟s skills and expertise in c...

  12. Relaxor-PT Single Crystal Piezoelectric Sensors

    Directory of Open Access Journals (Sweden)

    Xiaoning Jiang

    2014-07-01

    Full Text Available Relaxor-PbTiO3 piezoelectric single crystals have been widely used in a broad range of electromechanical devices, including piezoelectric sensors, actuators, and transducers. This paper reviews the unique properties of these single crystals for piezoelectric sensors. Design, fabrication and characterization of various relaxor-PT single crystal piezoelectric sensors and their applications are presented and compared with their piezoelectric ceramic counterparts. Newly applicable fields and future trends of relaxor-PT sensors are also suggested in this review paper.

  13. Discovery of the Pt-Based Superconductor LaPt5As.

    Science.gov (United States)

    Fujioka, Masaya; Ishimaru, Manabu; Shibuya, Taizo; Kamihara, Yoichi; Tabata, Chihiro; Amitsuka, Hiroshi; Miura, Akira; Tanaka, Masashi; Takano, Yoshihiko; Kaiju, Hideo; Nishii, Junji

    2016-08-10

    A novel superconductor, LaPt5As, which exhibits a new crystal structure was discovered by high-pressure synthesis using a Kawai-type apparatus. A superconducting transition temperature was observed at 2.6 K. Depending on the sintering pressure, LaPt5As has superconducting and non-superconducting phases with different crystal structures. A sintering pressure of around 10 GPa is effective to form single-phase superconducting LaPt5As. This material has a very unique crystal structure with an extremely long c lattice parameter of over 60 Å and corner-sharing tetrahedrons composed of network-like Pt layers. Density functional theory calculations have suggested that the superconducting current flows through these Pt layers. Also, this unique layered structure characteristic of LaPt5As is thought to play a key role in the emergence of superconductivity. Furthermore, due to a stacking structure which makes up layers, various structural modifications for the LaPt5As family are conceivable. Since such a high-pressure synthesis using a Kawai-type apparatus is not common in the field of materials science, there is large room for further exploration of unknown phases which are induced by high pressure in various materials.

  14. Pt-Ni and Pt-Co Catalyst Synthesis Route for Fuel Cell Applications

    Science.gov (United States)

    Firdosy, Samad A.; Ravi, Vilupanur A.; Valdez, Thomas I.; Kisor, Adam; Narayan, Sri R.

    2013-01-01

    Oxygen reduction reactions (ORRs) at the cathode are the rate-limiting step in fuel cell performance. The ORR is 100 times slower than the corresponding hydrogen oxidation at the anode. Speeding up the reaction at the cathode will improve fuel cell efficiency. The cathode material is generally Pt powder painted onto a substrate (e.g., graphite paper). Recent efforts in the fuel cell area have focused on replacing Pt with Pt-X alloys (where X = Co, Ni, Zr, etc.) in order to (a) reduce cost, and (b) increase ORR rates. One of these strategies is to increase ORR rates by reducing the powder size, which would result in an increase in the surface area, thereby facilitating faster reaction rates. In this work, a process has been developed that creates Pt-Ni or Pt-Co alloys that are finely divided (on the nano scale) and provide equivalent performance at lower Pt loadings. Lower Pt loadings will translate to lower cost. Precursor salts of the metals are dissolved in water and mixed. Next, the salt mixtures are dried on a hot plate. Finally, the dried salt mixture is heattreated in a furnace under flowing reducing gas. The catalyst powder is then used to fabricate a membrane electrode assembly (MEA) for electrochemical performance testing. The Pt- Co catalyst-based MEA showed comparable performance to an MEA fabri cated using a standard Pt black fuel cell catalyst. The main objective of this program has been to increase the overall efficiencies of fuel cell systems to support power for manned lunar bases. This work may also have an impact on terrestrial programs, possibly to support the effort to develop a carbon-free energy source. This catalyst can be used to fabricate high-efficiency fuel cell units that can be used in space as regenerative fuel cell systems, and terrestrially as primary fuel cells. Terrestrially, this technology will become increasingly important when transition to a hydrogen economy occurs.

  15. Carbon supported nanoparticles Pt Ru (Pt Ru/C electrocatalysts) prepared using electron beam irradiation; Preparacao de nanoparticulas de PtRu suportadas em carbono (eletrocatalisadores PtRu/C) utilizando feixe de eletrons

    Energy Technology Data Exchange (ETDEWEB)

    Silva, Dionisio F. da; Oliveira Neto, Almir; Pino, Eddy S.; Linardi, Marcelo; Spinace, Estevam V. [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil). Programa de Celulas a Combustivel], e-mail: espinace@ipen.br, e-mail: dfsilva@ipen.br

    2006-07-01

    Carbon-supported Pt Ru (electrocatalysts PtRu/C nanoparticles) were prepared submitting a water/ethylene glycol mixture containing Pt(IV) and Ru(III) ions and the carbon support to electron beam irradiation. The PtRu/C electrocatalysts were characterized by EDX, XRD and cyclic voltammetry and tested for methanol electro-oxidation aiming fuel cell application. The obtained PtRu/C electrocatalysts were more active for methanol electro-oxidation than the commercial PtRu/C ETEK electrocatalyst at ambient temperature. (author)

  16. High pressure CO hydrogenation over bimetallic Pt-Co catalysts

    DEFF Research Database (Denmark)

    Christensen, Jakob Munkholt; Medford, Andrew James; Studt, Felix

    2014-01-01

    The potential of bimetallic Pt-Co catalysts for production of higher alcohols in high pressure CO hydrogenation has been assessed. Two catalysts (Pt3Co/SiO2 and PtCo/SiO2) were tested, and the existing literature on CO hydrogenation over Pt-Co catalysts was reviewed. It is found that the catalysts...... produce mainly methanol in the Pt-rich composition range andmainly hydrocarbons (and to a modest extent higher alcohols) in the Co-rich composition range. The transition between the two types of behavior occurs in a narrow composition range around a molar Pt:Co ratio of 1:1....

  17. Effect of the applied magnetic field and the layer thickness on the magnon properties in bilayers Co/Pt and symmetrical trilayer Pt/Co/Pt

    Energy Technology Data Exchange (ETDEWEB)

    Mehdioui, M.; Fahmi, A. [Laboratoire de physique de la matière condensée (LPMC), Faculté des Sciences, B.P. 133-14000 Kenitra (Morocco); Lassri, H. [Laboratoire de physique des matériaux (LPM), Faculté des Sciences, Ain chock Mâarif, B.P. 5366 Casablanca (Morocco); Fahoume, M. [Laboratoire de physique de la matière condensée (LPMC), Faculté des Sciences, B.P. 133-14000 Kenitra (Morocco); Qachaou, A., E-mail: ahqachaou@yahoo.fr [Laboratoire de physique de la matière condensée (LPMC), Faculté des Sciences, B.P. 133-14000 Kenitra (Morocco)

    2014-02-15

    We have studied the elementary magnetic excitations and their dynamics in multilayer Co(t Co)/Pt(t Pt) and Pt(t Pt)/Co(t Co)/Pt(t Pt) under an applied magnetic field. The Heisenberg hamiltonian used takes into account the magneto-crystalline and surface anisotropies, the exchange and dipolar interactions. The calculated excitation spectrum ε{sub N}(k) presents a structure with two sub-bands corresponding to the magnons of surface and volume respectively. The existence of a gap of creating these magnons is also highlighted. The lifetimes deduced from these gaps are in good agreement with the results of previous studies. The thermal evolution of the magnetization m{sub z} indicates that the system undergoes a dimensional crossover 3D–2D when the temperature increases. The calculated and measured magnetizations are compared and they are in good agreement. The exchange integral and critical temperature values deduced from these adjustments are in very good agreement with the results of previous works. - Highlights: • The magnons of surface and volume exist in Co/Pt and Pt/Co/Pt. • Samples undergo dimensional crossover (3D–2D) when T increases. • A good agreement is obtained between M(T) measured and calculated. • Deduced exchange integrals and critical temperature values are correct. • The magnetism of the sample is reduced by increasing t Pt or capping Co by two Pt layers.

  18. Significant change events in psychodynamic psychotherapy: Is cognition or emotion more important?

    Science.gov (United States)

    McCarthy, Kye L; Caputi, Peter; Grenyer, Brin F S

    2017-09-01

    Significant change events are helpful moments within a psychotherapy session that have been shown in previous research to relate strongly to outcome. They are special moments and therefore provide rich data for research into understanding therapeutic process. This study investigated clinical and linguistic features of these helpful moments using and comparing both human ratings and computerized text analysis strategies. Significant change events versus non-event passages were studied within 1195 word blocks of transcribed psychotherapy for 20 participants with diagnoses of comorbid depression and personality disorder. Significant events were determined manually by independent raters using the Helpful Aspects of Therapy (HAT) form linked to the Helpful Aspects of Experiential Therapy Content Analysis System (HAETCAS). Mergenthaler's Therapeutic Cycles Model (TCM)-computerized text analysis, identified significant events via linguistic markers. The Linguistic Inquiry and Word Count (LIWC) differentiated emotional and cognitive components. Significant events included statements reflecting emotional and cognitive awareness and insight, and moments of alliance strengthening. These events were saturated with both positive and negative emotion words, particularly anger and sadness, and more cognitive insight words. Significant moments of psychotherapeutic movement featured high therapeutic alliance. There was evidence of the integration or working through of positive and negative emotional content with cognitive insight - meaning both emotion and cognition were important in these interchanges. This study found that significant events in therapy were characterized by high levels of both emotional and cognitive language, and alliance strengthening. Linguistic analysis methods provide important data on psychotherapeutic processes which can be useful in guiding clinicians and improving treatment outcomes. © 2017 The British Psychological Society.

  19. Unidirectional Nonlinear PT-symmetric Optical Structures

    CERN Document Server

    Ramezani, Hamidreza; El-Ganainy, Ramy; Christodoulides, Demetrios N

    2010-01-01

    We show that non-linear optical structures involving a balanced gain-loss profile, can act as unidirectional optical valves. This is made possible by exploiting the interplay between the fundamental symmetries of parity (P) and time (T), with optical nonlinear effects. This novel unidirectional dynamics is specifically demonstrated for the case of an integrable PT-symmetric nonlinear system.

  20. PT-symmetric quantum state discrimination.

    Science.gov (United States)

    Bender, Carl M; Brody, Dorje C; Caldeira, João; Günther, Uwe; Meister, Bernhard K; Samsonov, Boris F

    2013-04-28

    The objective of this paper is to explain and elucidate the formalism of PT quantum mechanics by applying it to a well-known problem in conventional Hermitian quantum mechanics, namely the problem of state discrimination. Suppose that a system is known to be in one of two quantum states, |ψ(1)> or |ψ(2)>. If these states are not orthogonal, then the requirement of unitarity forbids the possibility of discriminating between these two states with one measurement; that is, determining with one measurement what state the system is in. In conventional quantum mechanics, there is a strategy in which successful state discrimination can be achieved with a single measurement but only with a success probability p that is less than unity. In this paper, the state-discrimination problem is examined in the context of PT quantum mechanics and the approach is based on the fact that a non-Hermitian PT-symmetric Hamiltonian determines the inner product that is appropriate for the Hilbert space of physical states. It is shown that it is always possible to choose this inner product so that the two states |ψ(1)> and |ψ(2)> are orthogonal. Using PT quantum mechanics, one cannot achieve a better state discrimination than in ordinary quantum mechanics, but one can instead perform a simulated quantum state discrimination, in which with a single measurement a perfect state discrimination is realized with probability p.

  1. SURFACE PROPERTIES AND CATALYTIC PERFORMANCE OF Pt ...

    African Journals Online (AJOL)

    noble metals (e.g. Pt, Pd) supported on alumina, silica or other oxides have been developed [3-. 5]. ... prepared by thermal decomposition of amorphous citric and ethylene diamine tetraacetic acid complexes .... V: crystal cell volume; L: average crystalline size; (ε2)1/2: microstrain density ; S: specific surface areas; a: metal.

  2. Ti-Pt Alloys form mechanical milling

    CSIR Research Space (South Africa)

    Nxumalo, S

    2009-12-01

    Full Text Available The high temperature ß-TiPt phase has been shown to undergo a martensitic transformation upon quenching to room temperature. The martensitic transformation results from a transformation of the parent B2 cubic structure to the martensitic B19...

  3. The impact of the Art Therapy Large Group, an educational tool in the training of art therapists, on post-qualification professional practice.

    OpenAIRE

    Skaife, Sally; Jones, Kevin.; Pentaris, Panagiotis

    2016-01-01

    This article reports the findings of a Likert scale survey that was sent to past graduates of the MA Art Psychotherapy, Goldsmiths, University of London asking them about the relevance of their experience in the Art Therapy Large Group (ATLG) to their subsequent employment as art therapists or work in another capacity. The ATLG comprises all the students and staff in a psychodynamically based experiential group that meets six times during the year. Survey questions were drawn from previously ...

  4. O PT e o impeachment de Collor

    Directory of Open Access Journals (Sweden)

    Danilo Enrico Martuscelli

    2010-11-01

    Full Text Available Este artigo analisa a tática política adotada pelo Partido dos Trabalhadores (PT na conjuntura de crise do governo Collor (1990-1992. Considera-se que o PT não tenha fugido à tendência dominante do movimento pró-impeachment, vindo a aderir à campanha pela ética na política e a atacar o presidente Collor a partir de um discurso de cunho moralista que menosprezou a crítica e a denúncia do caráter de classe da política neoliberal, satisfazendo-se apenas com a denúncia da política recessiva do governo. Essa tática se inscreve na luta contra os efeitos da política neoliberal e não propriamente contra essa política, e esse comportamento político pode ser considerado um indicador do processo de aceitação passiva, por parte do PT, das medidas neoliberais.This paper analyzes Collor's government crisis and the political tactics of the Workers' Party (PT at the conjuncture of Collor's government crisis. We consider that the Workers' Party didn't escape of the dominant trend of the pro-impeachment movement, adhering to the campaign for the ethics in politics and attacking president Collor from a moralist point of view, which relegated the critics and denouncement of the class character of the neoliberal politics to the second plan. The Party was limited to join the accusations about the recessionary trend of Collor's government, which meant a tactic inscribed in the fight against the effects of the neoliberal politics but not against its nature. This political behavior can be considered as an indicator of the process of passive acceptation of the neoliberal proposals from the PT.

  5. Hybrid materials based on polymethylsilsesquioxanes containing Fe, Pt, and Fe-Pt metallic nanoparticles

    Science.gov (United States)

    Vasil'kov, A. Yu.; Migulin, D. A.; Naumkin, A. V.; Zubavichus, Ya. V.; Budnikov, A. V.; Ellert, O. G.; Maksimov, Yu. V.; Muzafarov, A. M.

    2017-11-01

    New hybrid materials based on Pt, Fe, and Pt-Fe nanoparticles stabilized in a matrix of polymethylsilsesquioxane nanogel and ultrahigh molecular weight polyethylene (UHMWPE) were prepared. Metal vapor synthesis was used to produce mono- and bimetallic nanoparticles. It was shown that organosilicon nanogel effectively stabilizes Pt nanoparticles with an average size of 0.9 nm. Using the nanogel results in the formation of superparamagnetic Fe particles 3-5 nm in size that consist of ferromagnetic Fe0 core and antiferromagnetic shells of Fe oxides. It is established that using an organosilicon matrix in the formation of Pt-Fe/UHMWPE systems helps reduce the average particle size of Fe in the material from 6.5 to 4.5 nm and narrow their particle size distribution. The composition, magnetic and electronic characteristics of the nanocomposites are studied via transmission electron microscopy, X-ray photoelectron spectroscopy, Mössbauer spectroscopy, XANES, and EXAFS.

  6. Hydrogenation of Phenol over Pt/CNTs: The Effects of Pt Loading and Reaction Solvents

    Directory of Open Access Journals (Sweden)

    Feng Li

    2017-05-01

    Full Text Available Carbon nanotubes (CNTs-supported Pt nanoparticles were prepared with selective deposition of Pt nanoparticles inside and outside CNTs (Pt–in/CNTs and Pt–out/CNTs. The effects of Pt loading and reaction solvents on phenol hydrogenation were investigated. The Pt nanoparticles in Pt–in/CNTs versus Pt–out/CNTs are smaller and better dispersed. The catalytic activity and reuse stability toward phenol hydrogenation both improved markedly. The dichloromethane–water mixture as the reaction solvent, compared with either pure medium, decreased the catalytic activity toward phenol hydrogenation and selectivity of cyclohexanone over Pt–in/CNTs, but significantly improved the catalytic activity toward phenol hydrogenation and selectivity of cyclohexanone over Pt–out/CNTs.

  7. Catalytic reduction of NO by methane using a Pt/C/polybenzimidazole/Pt/C fuel cell

    DEFF Research Database (Denmark)

    Petrushina, Irina; Cleemann, Lars Nilausen; Refshauge, Rasmus

    2007-01-01

    The catalytic NO reduction by methane was studied using a (NO,CH4,Ar),Pt|polybenzimidazole(PBI)–H3PO4|Pt,(H2,Ar) fuel cell at 135 and 165°C. It has been found that, without any reducing agent (like CH4), NO can be electrochemically reduced in the (NO, Ar), Pt/C|PBI–H3PO4|Pt/C, (H2,Ar) fuel cell...... NO reduction and introduced a dominant chemical path of the NO reduction. The products of the NO reduction with methane were N2, C2H4, and water. The catalytic NO reduction by methane was promoted when the catalyst was negatively polarized (−0.2 V). Repeated negative polarization of the catalyst increased...

  8. Rapid thermal annealing of FePt and FePt/Cu thin films

    Energy Technology Data Exchange (ETDEWEB)

    Brombacher, Christoph

    2011-01-10

    Chemically ordered FePt is one of the most promising materials to reach the ultimate limitations in storage density of future magnetic recording devices due to its high uniaxial magnetocrystalline anisotropy and a corrosion resistance superior to rare-earth based magnets. In this study, FePt and FePt/Cu bilayers have been sputter deposited at room temperature onto thermally oxidized silicon wafers, glass substrates and self-assembled arrays of spherical SiO{sub 2} particles with diameters down to 10 nm. Millisecond flash lamp annealing, as well as conventional rapid thermal annealing was employed to induce the phase transformation from the chemically disordered A1 phase into the chemically ordered L1{sub 0} phase. The influence of the annealing temperature, annealing time and the film thickness on the ordering transformation and (001) texture evolution of FePt films with near equiatomic composition was studied. Whereas flash lamp annealed FePt films exhibit a polycrystalline morphology with high chemical L1{sub 0} order, rapid thermal annealing can lead to the formation of chemically ordered FePt films with (001) texture on amorphous SiO{sub 2}/Si substrates. The resultant high perpendicular magnetic anisotropy and large coercivities up to 40 kOe are demonstrated. Simultaneously to the ordering transformation, rapid thermal annealing to temperatures exceeding 600 C leads to a break up of the continuous FePt film into separated islands. This dewetting behavior was utilized to create regular arrays of FePt nanostructures on SiO{sub 2} particle templates with periods down to 50 nm. The addition of Cu improves the (001) texture formation and chemical ordering for annealing temperatures T{sub a} {<=}600 C. In addition, the magnetic anisotropy and the coercivity of the ternary FePtCu alloy can be effectively tailored by adjusting the Cu content. The prospects of FePtCu based exchange spring media, as well as the magnetic properties of FePtCu nanostructures fabricated

  9. Factor V Leiden Mutation and PT 20210 Mutation Test

    Science.gov (United States)

    ... Patient Resources For Health Professionals Subscribe Search Factor V Leiden Mutation and PT 20210 Mutation Send Us ... As Activated Protein C Resistance APC Resistance Factor V R506Q PT G20210A Factor II 20210 Factor II ...

  10. SELECTIVE HYDROGENATION OF CINNAMALDEHYDE WITH Pt AND Pt-Fe CATALYSTS: EFFECTS OF THE SUPPORT

    Directory of Open Access Journals (Sweden)

    A.B. da Silva

    1998-06-01

    Full Text Available Low-temperature reduced TiO2-supported Pt and Pt-Fe catalysts are much more active and selective for the liquid–phase hydrogenation of cinnamaldehyde to unsaturated cinnamyl alcohol than the corresponding carbon-supported catalysts. High-temperature reduced catalysts, where the SMSI effect should be present, are almost inactive for this reaction. There is at present no definitive explanation for this effect but an electronic metal-support interaction is most probably involved.

  11. Structural investigation of ultrathin Pt/Co/Pt trilayer films under EUV irradiation

    Energy Technology Data Exchange (ETDEWEB)

    Dynowska, E., E-mail: dynow@ifpan.edu.pl [Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, PL-02-668 Warsaw (Poland); Pelka, J.B.; Klinger, D.; Minikayev, R. [Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, PL-02-668 Warsaw (Poland); Bartnik, A. [Institute of Optoelectronics, Military University of Technology, ul. S. Kaliskiego 2, 00-908 Warsaw (Poland); Dluzewski, P.; Jakubowski, M.; Klepka, M.; Petruczik, A. [Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, PL-02-668 Warsaw (Poland); Seeck, O.H. [DESY, Nottke Str. 85, 22607 Hamburg (Germany); Sobierajski, R. [Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, PL-02-668 Warsaw (Poland); Sveklo, I. [Faculty of Physics, University of Białystok, ul. L. Ciolkowskiego, 15-245 Białystok (Poland); Wawro, A.A. [Institute of Physics, Polish Academy of Sciences, al. Lotnikow 32/46, PL-02-668 Warsaw (Poland); Maziewski, A. [Faculty of Physics, University of Białystok, ul. L. Ciolkowskiego, 15-245 Białystok (Poland)

    2015-12-01

    Trilayer systems containing ultrathin (3 nm) cobalt layer grown on 5 nm thick Pt buffer layer and covered with 3 nm thick Pt cap layer grown at room temperature by molecular beam epitaxy on the Al{sub 2}O{sub 3}(00.1) substrate have been irradiated by nanosecond extreme ultraviolet light pulses. It was previously evidenced that light irradiation induced irreversible change of direction of magnetization in such nanostructures. In order to understand the reasons of such behavior the structural studies with the use of X-ray diffraction and transmission electron microscopy of the as-grown and irradiated samples have been done. It was found that irradiation leads to intermixing of cobalt with platinum giving rise to creation of Pt{sub 1−x}Co{sub x} disordered alloy. The methodology of determination of the strain state of the layers, relaxed lattice parameter of the unit cell and the composition of Pt{sub 1−x}Co{sub x} alloys has been developed and described in details. The results of structural studies of the as grown Pt/Co/Pt nanostructures as well as those modified by irradiation are presented in this paper.

  12. Strongly bound excitons in monolayer PtS2 and PtSe2

    KAUST Repository

    Sajjad, M.

    2018-01-22

    Based on first-principles calculations, the structural, electronic, and optical properties of monolayers PtS2 and PtSe2 are investigated. The bond stiffnesses and elastic moduli are determined by means of the spring constants and strain-energy relations, respectively. Dynamic stability is confirmed by calculating the phonon spectra, which shows excellent agreement with experimental reports for the frequencies of the Raman-active modes. The Heyd-Scuseria-Ernzerhof functional results in electronic bandgaps of 2.66 eV for monolayer PtS2 and 1.74 eV for monolayer PtSe2. G0W0 calculations combined with the Bethe-Salpeter equation are used to predict the optical spectra and exciton binding energies (0.78 eV for monolayer PtS2 and 0.60 eV for monolayer PtSe2). It turns out that the excitons are strongly bound and therefore very stable against external perturbations.

  13. Amorphous Pt@PdCu/CNT Catalyst for Methanol Electrooxidation ...

    African Journals Online (AJOL)

    A multi-walled carbon nanotube-supported, Pt decorated nano-sized amorphous PdCu alloy cores (denoted as Pt@PdCu/CNT) catalyst with lower Pt loading is synthesized via a galvanic displacement reaction. The structure is examined using X-ray diffraction (XRD) and transmission electron microscopy (TEM).

  14. PtNi nanoparticles embedded in porous silica microspheres as ...

    Indian Academy of Sciences (India)

    Supported Pt-based alloy nanoparticles have attracted greater attention in catalysis due to their high activity, reduced cost, and easy recycling in chemical reactions. In this work, mesoporous SiO₂ microspheres were employed as support to immobilize PtNi alloy nanocatalysts with different mass ratios of Pt and Ni (1:0, 3:1, ...

  15. XAFS studies of Pt nanoparticles deposition on Si nanowires

    Energy Technology Data Exchange (ETDEWEB)

    Liu, Lijia; Murphy, M.; Ko, J.Y.P.; Sham, T.K.; (UWO)

    2009-12-01

    We have studied X-ray absorption fine structures (XAFS) of Pt nanoparticles (PtNPs) which were deposited on silicon nanowires (SiNWs). SiNWs were fabricated via an electroless chemical etching method and served as the template for the immobilization of PtNPs. PtNPs electrolessly reduced from their ionic solution by HF-treated SiNWs were found to deposit on the tips of the SiNWs. The electronic structures of Pt were studied using X-ray absorption near-edge structures (XANES) at Pt L{sub 3,2}-edge. For comparison, we also examined the Pt L{sub 3,2}-edge and the Au L{sub 3}-edge XANES of Pt-Au bimetallic nanoparticles co-deposited on SiNWs. We found that the PtNPs showed slightly increased whiteline intensity compared to that of Pt foil. When Au was deposited together with Pt, the resonance peaks of the NPs were slightly, but systematically shifted due to the formation of Pt-Au alloy.

  16. Alloy Cu₃Pt nanoframes through the structure evolution in Cu-Pt nanoparticles with a core-shell construction.

    Science.gov (United States)

    Han, Lin; Liu, Hui; Cui, Penglei; Peng, Zhijian; Zhang, Suojiang; Yang, Jun

    2014-09-18

    Noble metal nanoparticles with hollow interiors and customizable shell compositions have immense potential for catalysis. Herein, we present an unique structure transformation phenomenon for the fabrication of alloy Cu₃Pt nanoframes with polyhedral morphology. This strategy starts with the preparation of polyhedral Cu-Pt nanoparticles with a core-shell construction upon the anisotropic growth of Pt on multiply twinned Cu seed particles, which are subsequently transformed into alloy Cu₃Pt nanoframes due to the Kirkendall effect between the Cu core and Pt shell. The as-prepared alloy Cu₃Pt nanoframes possess the rhombic dodecahedral morphology of their core-shell parents after the structural evolution. In particular, the resulting alloy Cu₃Pt nanoframes are more effective for oxygen reduction reaction but ineffective for methanol oxidation reaction in comparison with their original Cu-Pt core-shell precursors.

  17. Efficacy of an adjunctive brief psychodynamic psychotherapy to usual inpatient treatment of depression: Results of a randomized controlled trial.

    Science.gov (United States)

    de Roten, Yves; Ambresin, Gilles; Herrera, Fabrice; Fassassi, Sylfa; Fournier, Nicolas; Preisig, Martin; Despland, Jean-Nicolas

    2017-02-01

    For severe and chronic depression, inpatient treatment may be necessary. Current guidelines recommend combined psychological and pharmacological treatments for moderate to severe depression. Results for positive effects of combined treatment for depressed inpatients are still ambiguous. This randomised controlled trial examined the efficacy of adding an intensive and brief psychodynamic psychotherapy (IBPP) to treatment-as-usual (TAU) for inpatients with DSM-IV major depressive episode. The primary outcomes were reduction in depression severity, and response and remission rates at post-treatment, 3-month and 12-month follow-up points. A linear mixed model analysis (N=149) showed a higher reduction in the observer-rated severity of depressive symptoms at each follow-up point for the IBPP condition compared with the TAU condition (post-treatment ES=0.39, 95%CI 0.06-0.71; 3-month ES=0.46, 95%CI 0.14-0.78; 12-month ES=0.32, 95%CI 0.01-0.64). Response rate was superior in the IBPP group compared with the TAU group at all follow-up points (post-treatment OR =2.69, 95%CI 1.18-6.11; 3-month OR=3.47, 95%CI 1.47-8.25; 12-month OR=2.26, 95%CI 1.02-4.97). IBPP patients were more likely to be remitted 3 months (OR=2.82, 95%CI 1.12-7.10) and 12 months (OR=2.93, 95%CI 1.12-7.68) after discharge than TAU patients. Heterogeneous sample with different subtypes of depression and comorbidity. IBPP decreased observer-rated depression severity up to 12 months after the end of treatment. IBPP demonstrated immediate and distant treatment responses as well as substantial remissions at follow-up. IBPP appears to be a valuable adjunct in the treatment of depressed inpatients. Copyright © 2016 Elsevier B.V. All rights reserved.

  18. Neural activity in relation to clinically derived personality syndromes in depression using a psychodynamic fMRI paradigm

    Directory of Open Access Journals (Sweden)

    Svenja eTaubner

    2013-12-01

    Full Text Available Objective: The heterogeneity between patients with depression cannot be captured adequately with existing descriptive systems of diagnosis and neurobiological models of depression. Furthermore, considering the highly individual nature of depression, the application of general stimuli in past research efforts may not capture the essence of the disorder. This study aims to identify subtypes of depression by using empirically-derived personality-syndromes, and to explore neural correlates of the derived personality syndromes.Method: In the present exploratory study an individually tailored and psychodynamically based fMRI paradigm using dysfunctional relationship patterns was presented to 20 chronically depressed patients. Results from the Shedler-Westen-Assessment-Procedure (SWAP-200 were analyzed by Q-factor analysis to identify clinically relevant subgroups of depression and related brain activation.Results: The principle component analysis of SWAP-200 items from all 20 patients lead to a 2-factor solution: Depressive Personality and Emotional-Hostile-Externalizing Personality. Both factors were used in a whole-brain correlational analysis but only the second factor yielded significant positive correlations in four regions: A large cluster in the right orbitofrontal cortex (OFC, the left ventral striatum, a small cluster in the left temporal pole and another small cluster in the right middle frontal gyrus. Discussion: The degree to which patients with depression score high on the factor Emotional-Hostile-Externalizing Personality correlated with relatively higher activity in three key areas involved in emotion processing, evaluation of reward/punishment, negative cognitions, depressive pathology and social knowledge (OFC, ventral striatum, temporal pole. Results may contribute to an alternative description of neural correlates of depression showing differential brain activation dependent on the extent of specific personality syndromes in

  19. Clinical evaluation of whole blood prothrombin time (PT) and international normalized ratio (INR) using a Laser Speckle Rheology sensor.

    Science.gov (United States)

    Tripathi, Markandey M; Egawa, Satoru; Wirth, Alexandra G; Tshikudi, Diane M; Van Cott, Elizabeth M; Nadkarni, Seemantini K

    2017-08-23

    Prothrombin time (PT) and the associated international normalized ratio (INR) are routinely tested to assess the risk of bleeding or thrombosis and to monitor response to anticoagulant therapy in patients. To measure PT/INR, conventional coagulation testing (CCT) is performed, which is time-consuming and requires the separation of cellular components from whole blood. Here, we report on a portable and battery-operated optical sensor that can rapidly quantify PT/INR within seconds by measuring alterations in the viscoelastic properties of a drop of whole blood following activation of coagulation with thromboplastin. In this study, PT/INR values were measured in 60 patients using the optical sensor and compared with the corresponding CCT values. Our results report a close correlation and high concordance between PT/INR measured using the two approaches. These findings confirm the accuracy of our optical sensing approach for rapid PT/INR testing in whole blood and highlight the potential for use at the point-of-care or for patient self-testing.

  20. PtMo alloy and MoO(x)@Pt core-shell nanoparticles as highly CO-tolerant electrocatalysts.

    Science.gov (United States)

    Liu, Zhufang; Hu, Jenny E; Wang, Qi; Gaskell, Karen; Frenkel, Anatoly I; Jackson, Gregory S; Eichhorn, Bryan

    2009-05-27

    PtMo alloy and MoO(x)@Pt core-shell nanoparticles (NPs) were successfully synthesized by a chemical coreduction and sequential chemical reduction method, respectively. Both the carbon-supported alloy and core-shell NPs show substantially higher CO tolerance, compared to the commercialized E-TEK PtRu alloy and Pt catalyst. These novel nanocatalysts can be potentially used as highly CO-tolerant anode electrocatalysts in proton exchange membrane fuel cells.

  1. Pelaksanaan Rekrutmen Pegawai Di PT. KAI DAOP 7 Madiun (Studi Kasus Pada PT. KAI DAOP 7 Madiun)

    OpenAIRE

    Pramudi, Ario Nasty

    2015-01-01

    : Implementation of Employee Recruitment PT. KAI DAOP 7 Madiun (Case Study on PT. KAI DAOP 7 Madison). Implementation of recruitment conducted by PT. KAI DAOP 7 Madiun always experience growth in every implementation, it aims to improve the quality of employees resulting from the recruitment process. See vital means of rail transport in Indonesia it is indeed absolutely must be done. With increasing quality of human resources owned by PT. KAI DAOP 7 Madiun will certainly improve the quality o...

  2. Cost-effectiveness of particle therapy : Current evidence and future needs

    NARCIS (Netherlands)

    Pijls-Johannesma, Madelon; Pommier, Pascal; Lievens, Yolande

    2008-01-01

    Purpose: Questions are being raised regarding the cost of particle therapy (PT), and with them criticism that PT is too expensive to allow the expected gain in effectiveness. This paper aims to get more insight in the cost and cost-effectiveness of particle therapy and to discuss a future strategy

  3. Asymmetric magnetic bubble expansion under in-plane field in Pt/Co/Pt : Effect of interface engineering

    NARCIS (Netherlands)

    Lavrijsen, R.; Hartmann, D. M. F.; van den Brink, Ton; Yin, Y.; Barcones, B.; Duine, R. A.|info:eu-repo/dai/nl/304830127; Verheijen, M. A.; Swagten, H. J. M.; Koopmans, B.

    2015-01-01

    We analyze the impact of growth conditions on the asymmetric magnetic bubble expansion under an in-plane field in ultrathin Pt/Co/Pt films. Specifically, using sputter deposition, we vary the Ar pressure during the growth of the top Pt layer. This induces a large change in the interfacial structure

  4. Change in Attachment Dimensions in Women with Binge-Eating Disorder Following Group Psychodynamic Interpersonal Psychotherapy.

    Science.gov (United States)

    Maxwell, Hilary; Tasca, Giorgio A; Grenon, Renee; Faye, Megan; Ritchie, Kerri; Bissada, Hany; Balfour, Louise

    2017-01-27

    To examine the role of attachment dimensions, including coherence of mind and reflective functioning, in developing and maintaining binge-eating disorder (BED) and in determining group psychotherapy outcomes for women with BED. We hypothesize that higher pre-treatment attachment dimension scores will predict better treatment outcomes for women with BED and will increase at follow-up. Women with BED attended 16 sessions of group therapy and completed the Adult Attachment Interview (AAI) at pre-treatment. Participants completed outcome measures (i.e., binge-eating frequency and symptoms of depression) at pre-, post-, six months, and 12 months post-treatment. Treatment completers completed the AAI at six months post-treatment. Treatment outcomes improved significantly from pre- to 12 months post-treatment. Greater Reflective Functioning scores at pre-treatment were related to greater decreases in binge eating across the four time points, whereas Coherence of Mind scores were not. For treatment completers, there were significant increases in Reflective Functioning at six months post-treatment, and about a third of treatment completers experienced clinically significant increases in both attachment dimensions at six months post-treatment. Greater reflective functioning at the outset is important for improvements in binge eating in the longer term and group psychotherapy can facilitate change in reflective functioning.

  5. Revisiting the optical $PT$-symmetric dimer

    CERN Document Server

    Morales, J D Huerta; López-Aguayo, S; Rodríguez-Lara, B M

    2016-01-01

    Optics has proved a fertile ground for the experimental simulation of quantum mechanics. Most recently, optical realizations of $\\mathcal{PT}$-symmetric quantum mechanics have been shown, both theoretically and experimentally, opening the door to international efforts aiming at the design of practical optical devices exploiting this symmetry. Here, we focus on the optical $\\mathcal{PT}$-symmetric dimer, a two-waveguide coupler were the materials show symmetric effective gain and loss, and provide a review of the linear and nonlinear optical realizations from a symmetry based point of view. We go beyond a simple review of the literature and show that the dimer is just the smallest of a class of planar $N$-waveguide couplers that are the optical realization of Lorentz group in 2+1 dimensions. Furthermore, we provide a formulation to describe light propagation through waveguide couplers described by non-Hermitian mode coupling matrices based on a non-Hermitian generalization of Ehrenfest theorem.

  6. Revisiting the Optical PT-Symmetric Dimer

    Directory of Open Access Journals (Sweden)

    José Delfino Huerta Morales

    2016-08-01

    Full Text Available Optics has proved a fertile ground for the experimental simulation of quantum mechanics. Most recently, optical realizations of PT -symmetric quantum mechanics have been shown, both theoretically and experimentally, opening the door to international efforts aiming at the design of practical optical devices exploiting this symmetry. Here, we focus on the optical PT -symmetric dimer, a two-waveguide coupler where the materials show symmetric effective gain and loss, and provide a review of the linear and nonlinear optical realizations from a symmetry-based point of view. We go beyond a simple review of the literature and show that the dimer is just the smallest of a class of planar N-waveguide couplers that are the optical realization of the Lorentz group in 2 + 1 dimensions. Furthermore, we provide a formulation to describe light propagation through waveguide couplers described by non-Hermitian mode coupling matrices based on a non-Hermitian generalization of the Ehrenfest theorem.

  7. PT-axisymmetry for extraordinary field confinement

    Science.gov (United States)

    Botey, M.; Ahmed, Waqas W.; Herrero, R.; Staliunas, K.

    2017-02-01

    Optical Parity-Time (PT-) symmetric systems support unusual properties when the symmetric coupling between internal modes is broken. We propose a new class of quasiperiodic PT-axisymmetric systems which lead to a simultaneous extraordinary field enhancement and localization at the symmetry center. The effect is based on the asymmetric radial coupling of outward to inward propagating waves of the complex structure. We explore such optical potentials in 1D and 2D combining gain/loss and index modulations, which could have actual realizations in nanophotonic structures. As a direct application, we show how to render a broad aperture vertical-cavity surface-emitting lasers (VCSEL) into a bright and narrow beam source.

  8. Evaluasi Sistem Informasi Penjualan PT SPNS

    Directory of Open Access Journals (Sweden)

    Anderes Gui

    2010-06-01

    Full Text Available The purpose of this paper is to identify and analyze problems that occur in information systems sales PT SPNS. It also serves to control the management and control of applications running well so it can produce accurate information for decision making. The method used is book study method and field study. Study was done by reading library books, scientific papers and other sources, while the field study was done by observation, interviews, and questionnaires. The result of the evaluation is derived from the respective strengths and weaknesses - each control. Weaknesses are found, the findings presented in the form of a matrix that contains the findings and recommendations as a matter of risk remedial action. Conclusions obtained from the audit for security control, operations, limitations, input and output is good enough because it can satisfy and support the sales activities of PT SPNS.

  9. PtRu/C electrocatalysts prepared using electron beam irradiation

    Directory of Open Access Journals (Sweden)

    Dionísio Furtunato da Silva

    2007-12-01

    Full Text Available PtRu/C electrocatalysts (carbon-supported PtRu nanoparticles were prepared submitting water/ethylene glycol mixtures containing Pt(IV and Ru(III ions and the carbon support to electron beam irradiation. The electrocatalysts were characterized by energy dispersive X ray analysis (EDX, X ray diffraction (XRD and cyclic voltammetry and tested for methanol electro-oxidation aiming fuel cell application. The obtained PtRu/C electrocatalysts showed superior performance for methanol electro-oxidation at room temperature compared to commercial PtRu/C electrocatalyst.

  10. Surface Reactions of Dicyclohexylmethane on Pt(111)

    OpenAIRE

    Gleichweit, Christoph; Amende, Max; Höfert, Oliver; Xu, Tao; Späth, Florian; Brückner, Nicole; Wasserscheid, Peter; Libuda, Jörg; Steinrück, Hans-Peter; Papp, Christian

    2015-01-01

    We investigated the surface reaction of the liquid organic hydrogen carrier dicyclohexylmethane (DCHM) on Pt(111) in ultrahigh vacuum by high-resolution X-ray photoelectron spectroscopy, temperature-programmed desorption, near-edge X-ray absorption fine structure, and infrared reflection–absorption spectroscopy. Additionally, the hydrogen-lean molecule diphenylmethane and the relevant molecular fragments of DCHM, methylcyclohexane, and toluene were studied to elucidate th...

  11. Domainal fabric development, associated microstructures and PT ...

    Indian Academy of Sciences (India)

    The granulite complex around Jenapore, Orissa, Eastern Ghats granulite belt, bears the imprint of two episodes of strong deformation (D1 and D2) attended with foliation (fabric) development (S1 and S2). Two distinct metamorphic events at P-T conditions of ∼900° C at ∼9 kbar and ∼600° C at ∼6 kbar are correlated with ...

  12. Evaluation Of Performance Appraisal In PT. Xyz

    OpenAIRE

    Tenges, Yuan Y.N

    2013-01-01

    Managing employee's performance is imperative and it cannot be done if the employee's potential and their ability to perform are not measured. Performance appraisal is a management tool that tries to count the employee's performance. The term performance appraisal refers to the process by which an individual's work performance is assessed. Research objective is to evaluate the performance appraisal in PT. XYZ. Performance appraisal is a process in which organizations evaluate or assess employ...

  13. Experimental measurements of the heats of formation of Fe{sub 3}Pt, FePt, and FePt{sub 3} using differential scanning calorimetry

    Energy Technology Data Exchange (ETDEWEB)

    Wang, B.; Berry, D. C.; Chiari, Y.; Barmak, K. [Department of Materials Science and Engineering and the Data Storage Systems Center, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 (United States)

    2011-07-01

    Using differential scanning calorimetry (DSC), the heats of formation of Fe{sub 3}Pt, FePt, and FePt{sub 3} were determined from the reaction of sputter deposited Fe/Pt multilayer thin-films with a periodicity of 200 nm but different overall compositions. Film compositions were measured by energy dispersive x-ray spectrometry. The phases present along the reaction path were identified by x-ray diffraction. For the most Fe-rich phase, namely, Fe{sub 3}Pt, the measured enthalpy of formation was -9.3 {+-} 1.3 kJ/mol in a film with a composition of 70.4:29.6 ({+-}0.2 at. %) Fe:Pt. For FePt, the measured enthalpy of formation was -27.2 {+-} 2.2 kJ/g-atom in a 49.0:51.0 ({+-}0.5 at. %) Fe:Pt film. For FePt{sub 3}, which is the most Pt rich intermetallic phase, the measured enthalpy of formation was -23.7 {+-} 2.2 in a film with a composition of 22.2:77.8 ({+-}0.6 at. %) Fe:Pt. The reaction enthalpies for films with Fe:Pt compositions of 44.5:55.5 ({+-}0.3 at. %) and 38.5:61.5 ({+-}0.4 at. %) were -26.9 {+-} 1.0 and -26.6 {+-} 0.6 kJ/g-atom, respectively, which taken together with the value for the 49.0:51.0 film demonstrate the relative insensitivity of the reaction enthalpy to film composition over a broad composition range in the vicinity of the equiatomic composition. The experimental heats of formation are compared with two sets of reported first-principles calculated values for each of the three phases at exact stoichiometry.

  14. The clinical effectiveness and cost-effectiveness of point-of-care tests (CoaguChek system, INRatio2 PT/INR monitor and ProTime Microcoagulation system) for the self-monitoring of the coagulation status of people receiving long-term vitamin K antagonist therapy, compared with standard UK practice: systematic review and economic evaluation.

    Science.gov (United States)

    Sharma, Pawana; Scotland, Graham; Cruickshank, Moira; Tassie, Emma; Fraser, Cynthia; Burton, Chris; Croal, Bernard; Ramsay, Craig R; Brazzelli, Miriam

    2015-06-01

    Self-monitoring (self-testing and self-management) could be a valid option for oral anticoagulation therapy monitoring in the NHS, but current evidence on its clinical effectiveness or cost-effectiveness is limited. We investigated the clinical effectiveness and cost-effectiveness of point-of-care coagulometers for the self-monitoring of coagulation status in people receiving long-term vitamin K antagonist therapy, compared with standard clinic monitoring. We searched major electronic databases (e.g. MEDLINE, MEDLINE In Process & Other Non-Indexed Citations, EMBASE, Bioscience Information Service, Science Citation Index and Cochrane Central Register of Controlled Trials) from 2007 to May 2013. Reports published before 2007 were identified from the existing Cochrane review (major databases searched from inception to 2007). The economic model parameters were derived from the clinical effectiveness review, other relevant reviews, routine sources of cost data and clinical experts' advice. We assessed randomised controlled trials (RCTs) evaluating self-monitoring in people with atrial fibrillation or heart valve disease requiring long-term anticoagulation therapy. CoaguChek(®) XS and S models (Roche Diagnostics, Basel, Switzerland), INRatio2(®) PT/INR monitor (Alere Inc., San Diego, CA USA), and ProTime Microcoagulation system(®) (International Technidyne Corporation, Nexus Dx, Edison, NJ, USA) coagulometers were compared with standard monitoring. Where possible, we combined data from included trials using standard inverse variance methods. Risk of bias assessment was performed using the Cochrane risk of bias tool. A de novo economic model was developed to assess the cost-effectiveness over a 10-year period. We identified 26 RCTs (published in 45 papers) with a total of 8763 participants. CoaguChek was used in 85% of the trials. Primary analyses were based on data from 21 out of 26 trials. Only four trials were at low risk of bias. Major clinical events: self

  15. Pt skin on AuCu intermetallic substrate: a strategy to maximize Pt utilization for fuel cells.

    Science.gov (United States)

    Wang, Gongwei; Huang, Bing; Xiao, Li; Ren, Zhandong; Chen, Hao; Wang, Deli; Abruña, Héctor D; Lu, Juntao; Zhuang, Lin

    2014-07-09

    The dependence on Pt catalysts has been a major issue of proton-exchange membrane (PEM) fuel cells. Strategies to maximize the Pt utilization in catalysts include two main approaches: to put Pt atoms only at the catalyst surface and to further enhance the surface-specific catalytic activity (SA) of Pt. Thus far there has been no practical design that combines these two features into one single catalyst. Here we report a combined computational and experimental study on the design and implementation of Pt-skin catalysts with significantly improved SA toward the oxygen reduction reaction (ORR). Through screening, using density functional theory (DFT) calculations, a Pt-skin structure on AuCu(111) substrate, consisting of 1.5 monolayers of Pt, is found to have an appropriately weakened oxygen affinity, in comparison to that on Pt(111), which would be ideal for ORR catalysis. Such a structure is then realized by substituting the Cu atoms in three surface layers of AuCu intermetallic nanoparticles (AuCu iNPs) with Pt. The resulting Pt-skinned catalyst (denoted as Pt(S)AuCu iNPs) has been characterized in depth using synchrotron XRD, XPS, HRTEM, and HAADF-STEM/EDX, such that the Pt-skin structure is unambiguously identified. The thickness of the Pt skin was determined to be less than two atomic layers. Finally the catalytic activity of Pt(S)AuCu iNPs toward the ORR was measured via rotating disk electrode (RDE) voltammetry through which it was established that the SA was more than 2 times that of a commercial Pt/C catalyst. Taking into account the ultralow Pt loading in Pt(S)AuCu iNPs, the mass-specific catalytic activity (MA) was determined to be 0.56 A/mg(Pt)@0.9 V, a value that is well beyond the DOE 2017 target for ORR catalysts (0.44 A/mg(Pt)@0.9 V). These findings provide a strategic design and a realizable approach to high-performance and Pt-efficient catalysts for fuel cells.

  16. Essentials of psychoanalytic process and change: How can we investigate the neural effects of psychodynamic psychotherapy in individualized neuro-imaging?

    Directory of Open Access Journals (Sweden)

    Heinz eBoeker

    2013-08-01

    Full Text Available The paper focuses on the essentials of psychoanalytic process and change and the question of how the neural correlates and mechanisms of psychodynamic psychotherapy can be investigated. The psychoanalytic approach aims at enabling the patient to remember, repeat and work through concerning explicit memory. Moreover, the relationship between analyst and patient establishes a new affective configuration which enables a reconstruction of the implicit memory. If psychic change can be achieved it corresponds to neuronal transformation.Individualized neuro-imaging requires controlling and measuring of variables that must be defined. Two main methodological problems can be distinguished: The design problem addresses the issue of how to account for functionally related variables in an experimentally independent way. The translation problem raises the question of how to bridge the gaps between different levels of the concepts presupposed in individualized neuro-imaging (e.g. the personal level of the therapist and the client, the neural level of the brain.An overview of individualized paradigms, which have been used until now is given, including Operationalized Psychodynamic Diagnosis (OPD-2 and the Maladaptive Interpersonal Patterns Q-Start (MIPQS. The development of a new paradigm that will be used in fMRI experiments, the Interpersonal Relationship Picture Set (IRPS, is described. Further perspectives and limitations of this new approach concerning the design and the translation problem are discussed.

  17. [Correlations of anthropometric and psychodynamic indexes of accelerant boys and girls (georgians) and their comparing with the data of women and men of normal physical development].

    Science.gov (United States)

    Nadashvili, L A

    2005-12-01

    Our goal was to determine relations of anthropometric and psychodynamic indexes of accelerant women and men (Georgian) and compare them with the data of women and men of normal physical development. For this reason we have investigated 100 accelerants -- 45 girls and 55 boys. On the basis of our study we have shown that correlations between subspecies of temperament and anthropometrical signs in accelerant women and men are equal or lower among men. From the point of view of character form -- these data in women are comparatively high, and correlation of intellect and types of mood and anthropometric signs are equal. In comparison with the men of normal development, in accelerant men are noticed law interconnection between anthropometrical and psychodynamic data except subspecies of intellect, which is equal in every case. Connection between the types of mood and anthropometric data are moderate (in the limits 0.3-0.4). Men accelerants (Georgians) are brachymorphic somatotypes; they are distinguished by phlegmatic temperament, introversion, middle logic intellect, conflict -- statistic mood; according to the mood they are harmonic-dynamic constitutional types.

  18. Do personality traits predict outcome of psychodynamically oriented psychosomatic inpatient treatment beyond initial symptoms?

    Science.gov (United States)

    Steinert, Christiane; Klein, Susanne; Leweke, Frank; Leichsenring, Falk

    2015-03-01

    Whether personality characteristics have an impact on treatment outcome is an important question in psychotherapy research. One of the most common approaches for the description of personality is the five-factor model of personality. Only few studies investigated whether patient personality as measured with the NEO-Five-Factor Inventory (NEO-FFI, Costa & McCrae [1992b]. Revised NEO-PI-R and NEO-FFI. Professional manual. Odessa, FL: Psychological Assessment Recources) predicts outcome. Results were inconsistent. Studies reporting personality to be predictive of outcome did not control for baseline symptoms, while studies controlling initial symptoms could not support these findings. We hypothesized that after taking into account baseline symptoms, the NEO-FFI would not predict outcome and tested this in a large sample of inpatients at a psychosomatic clinic. Naturalistic, non-controlled study using patients' data for multiple regression analysis to identify predictors of outcome. Data of 254 inpatients suffering primarily from depressive, anxiety, stress, and somatoform disorders were analysed. Personality was assessed at the beginning of therapy. For psychotherapy outcome, changes in anxiety and depression (Hospital Anxiety and Depression Scale; HADS), overall psychopathology (Symptom Checklist-90-R Global Severity Index [GSI]), and interpersonal problems (Inventory of Interpersonal Problems; IIP) were measured. The treatment resulted in significant decreases on all outcome measures corresponding to moderate to large effect sizes (HADS: d = 1.03; GSI: d = 0.90; IIP: d = 0.38). Consistent with our hypothesis, none of the personality domains predicted outcome when baseline symptoms were controlled for. Personality assessment at baseline does not seem to have an added value in the prediction of inpatient psychotherapy outcome beyond initial symptoms. Clinical implications Personality dimensions overlap with symptomatic distress. Rather than serve as predictors of

  19. Monodisperse core/shell Ni/FePt nanoparticles and their conversion to Ni/Pt to catalyze oxygen reduction.

    Science.gov (United States)

    Zhang, Sen; Hao, Yizhou; Su, Dong; Doan-Nguyen, Vicky V T; Wu, Yaoting; Li, Jing; Sun, Shouheng; Murray, Christopher B

    2014-11-12

    We report a size-controllable synthesis of monodisperse core/shell Ni/FePt nanoparticles (NPs) via a seed-mediated growth and their subsequent conversion to Ni/Pt NPs. Preventing surface oxidation of the Ni seeds is essential for the growth of uniform FePt shells. These Ni/FePt NPs have a thin (≈1 nm) FePt shell and can be converted to Ni/Pt by acetic acid wash to yield active catalysts for oxygen reduction reaction (ORR). Tuning the core size allows the optimization of their electrocatalytic activity. The specific activity and mass activity of 4.2/0.8 nm core/shell Ni/FePt after acetic acid wash reach 1.95 mA/cm(2) and 490 mA/mgPt at 0.9 V (vs reversible hydrogen electrode), which are much higher than those of benchmark commercial Pt catalyst (0.34 mA/cm(2) and 92 mA/mgPt at 0.9 V). Our studies provide a robust approach to monodisperse core/shell NPs with nonprecious metal core, making it possible to develop advanced NP catalysts with ultralow Pt content for ORR and many other heterogeneous reactions.

  20. Pt/Mesoporous Carbon Counter Electrode with a Low Pt Loading for High-Efficient Dye-Sensitized Solar Cells

    Directory of Open Access Journals (Sweden)

    Guiqiang Wang

    2010-01-01

    Full Text Available Pt/Mesoporous carbon counter electrodes with a low Pt loading for dye-sensitized solar cells were fabricated by coating Pt/mesoporous carbon on fluorine-doped tin oxide glass. Pt/mesoporous carbon samples were prepared by reducing H2PtCl6 with NaBH4 in mesoporous carbon and characterized by N2 adsorption analysis, X-ray diffraction, X-ray photoelectron spectroscopy, and transmission electron microscopy. The Pt particles deposited on mesoporous carbon support were found to be in uniform shape and narrow range of particle size. Low-Pt-loading Pt/mesoporous carbon counter electrode showed a high electrocatalytic activity for triiodide reduction. Electrochemical impedance spectroscopy measurement displayed a low charge-transfer resistance of 1.2 Ωcm2 for 1-Pt/mesoporous carbon counter electrode. Dye-sensitized solar cells based on the 1-Pt/mesoporous carbon counter electrode achieved an overall conversion efficiency of 6.62% under one sun illumination, which is higher than that of the cell with the conventional Pt counter electrode.

  1. Surface polarization matters: enhancing the hydrogen-evolution reaction by shrinking Pt shells in Pt-Pd-graphene stack structures.

    Science.gov (United States)

    Bai, Song; Wang, Chengming; Deng, Mingsen; Gong, Ming; Bai, Yu; Jiang, Jun; Xiong, Yujie

    2014-11-03

    Surface charge state plays an important role in tuning the catalytic performance of nanocrystals in various reactions. Herein, we report a synthetic approach to unique Pt-Pd-graphene stack structures with controllable Pt shell thickness. These unique hybrid structures allow us to correlate the Pt thickness with performance in the hydrogen-evolution reaction (HER). The HER activity increases with a decrease in the Pt thickness, which is well explained by surface polarization mechanism as suggested by first-principles simulations. In this hybrid system, the difference in work functions of Pt and Pd results in surface polarization on the Pt surface, tuning its charge state for hydrogen reduction. Meanwhile, the supporting graphene provides two-dimensional channels for efficient charge transport, improving the HER activities. This work opens up possibilities of reducing Pt usage while achieving high HER performance. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  2. Alcohol electrooxidation at Pt and Pt-Ru sputtered electrodes under elevated temperature and pressurized conditions

    Science.gov (United States)

    Umeda, Minoru; Sugii, Hiromasa; Uchida, Isamu

    2008-05-01

    The electrooxidation properties of methanol and 2-propanol, which are both promising candidates for direct alcohol fuel cells (DAFCs), have been studied under elevated temperature and pressurized conditions. Sputter-deposited Pt and Pt-Ru electrodes were well-characterized and utilized for the electrochemical measurement of the alcohol oxidation at 25-100 °C. The Pt electrode prepared at 600 °C had a flat surface, and the Pt-Ru formed an alloy. The electrochemical measurements were carried out in a gas-tight cell under elevated temperature, which accompanies the pressurized condition. This is a representative example of the DAFC rising temperature operation. As a result, at 25 °C, the onset potential of the 2-propanol oxidation is about 400 mV more negative than that of the methanol oxidation, and current density of the 2-propanol oxidation exceeds that of the methanol oxidation. Conversely, at 100 °C, the methanol oxidation current density overcomes that of 2-propanol, and the onset potentials of the two are almost the same. The highest current density for the methanol oxidation is obtained at the Pt:Ru = 50:50 electrode, whereas at the Pt:Ru = 35:65 for the 2-propanol oxidation. A Tafel plot analysis was employed to investigate the reaction mechanism. For the methanol oxidation, the number of electrons transferred during the rate-determining process is estimated to be 1 at 25 °C and 2 at 100 °C. This suggests that the methanol reaction mechanism differs at 25 and 100 °C. In contrast, the rate-determining process of the 2-propanol oxidation at 25 and 100 °C was expected to be 1-electron transfer which accompanies the proton-elimination reaction to produce acetone. Consequently, it is deduced that methanol and 2-propanol have an advantage under the rising temperature and room temperature operation, respectively.

  3. Magnetic field and temperature control over Pt/Co/Ir/Co/Pt multistate magnetic logic device

    Science.gov (United States)

    Morgunov, R.; Hamadeh, A.; Fachec, T.; Lvovaa, G.; Koplak, O.; Talantsev, A.; Mangin, S.

    2017-04-01

    Magnetic configurations in Pt/Co/Ir/Co/Pt synthetic ferrimagnet bilayer of strong perpendicular anisotropy have been systematically studied. Magnetization versus field hysteresis loops have been measured for different temperatures ranging from 5 to 300 K. The applied field - temperature (H-T) magnetization switching diagram has been constructed by extracting the different switching fields as a function of temperature. This switching diagram can be well explained by considering the competition between energy barrier of layer's magnetization reversal, interlayer exchange coupling, and Zeeman energy.

  4. Polyoxometalate-stabilized Pt nanoparticles and their electrocatalytic activities.

    Science.gov (United States)

    Hsu-Yao, Thomas; Browne, Kevin P; Honesty, Nicole; Tong, YuYe J

    2011-04-28

    The synthesis of long-term stable polyoxometalate (POM)-stabilized Pt nanoparticles (NPs) is described here. By means of controlled bulk electrolysis, the reduced POM anions, SiW(12)O(40)(4-) (or SiW(12)) and H(2)W(12)O(40)(6-) (or H(2)W(12)), respectively, served the dual role of reductant and protecting/stabilizing ligand for the Pt NPs. Transmission electron microscopy (TEM) images confirmed the formation of 3 to 4 nm sized Pt NPs, which coincidently was in the same size range of the commercial Pt black that was used as a reference. Elemental XPS analyses showed W/Pt ratios of 0.12 for the SiW(12)- and 0.18 for the H(2)W(12)-stabilized Pt NPs, but found no evidence of the presence of Cl(-) anion in the samples. Controlled electrochemical (EC), UV-Vis, and IR data provided unambiguous evidence for the structural integrity of the POM anions on the Pt NP surface. CO stripping, methanol oxidation reaction (MOR), and oxygen reduction reaction (ORR) were used to assess their electrocatalytic activities. It was found that both SiW(12)- and H(2)W(12)-stabilized Pt NPs showed enhanced activities in MOR and ORR as compared to that of Pt black, with the latter having higher enhancement. These observations clearly demonstrated that the stabilizing POM anions have a profound influence on the electrocatalytic activity of the underlying Pt NPs.

  5. First principles study of (Cd, Hg, In, Tl, Sn, Pb, As, Sb, Bi, Se) modified Pt(111), Pt(100) and Pt(211) electrodes as CO oxidation catalysts

    DEFF Research Database (Denmark)

    Tripkovic, Vladimir

    2015-01-01

    CO oxidation is a prototype reaction for studying oxidation of small organic molecules. Certain adatom modified Pt electrodes have a large promotional effect on CO oxidation. However, the effect is often coverage dependent, and has a limited effect due to short lifetimes of the adatoms. The cover......CO oxidation is a prototype reaction for studying oxidation of small organic molecules. Certain adatom modified Pt electrodes have a large promotional effect on CO oxidation. However, the effect is often coverage dependent, and has a limited effect due to short lifetimes of the adatoms....... The coverage dependence as a function of potential for ten different adatom species (Cd, Hg, In, Tl, Sn, Pb, As, Sb, Bi, Se) on bare and CO saturated Pt(111), Pt(100) and Pt(211) surfaces has been established by means of Density Functional Theory calculations. Most of the adatoms are very stable under standard...... conditions and remain anchored to the surface until high potentials in supporting electrolytes. The stability is contingent on the electrode roughness and reduces in the following order: Pt(211) ≈ Pt(100) > Pt(111), except for Se adatoms, in which case the trend is reversed. The activity for CO oxidation...

  6. Study on the failure temperature of Ti/Pt/Au and Pt5Si2-Ti/Pt/Au metallization systems

    Science.gov (United States)

    Zhang, Jie; Han, Jianqiang; Yin, Yijun; Dong, Lizhen; Niu, Wenju

    2017-09-01

    The Ti/Pt/Au metallization system has an advantage of resisting KOH or TMAH solution etching. To form a good ohmic contact, the Ti/Pt/Au metallization system must be alloyed at 400 °C. However, the process temperatures of typical MEMS packaging technologies, such as anodic bonding, glass solder bonding and eutectic bonding, generally exceed 400 °C. It is puzzling if the Ti/Pt/Au system is destroyed during the subsequent packaging process. In the present work, the resistance of doped polysilicon resistors contacted by the Ti/Pt/Au metallization system that have undergone different temperatures and time are measured. The experimental results show that the ohmic contacts will be destroyed if heated to 500 °C. But if a 20 nm Pt film is sputtered on heavily doped polysilicon and alloyed at 700 °C before sputtering Ti/Pt/Au films, the Pt5Si2-Ti/Pt/Au metallization system has a higher service temperature of 500 °C, which exceeds process temperatures of most typical MEMS packaging technologies. Project supported by the National Natural Science Foundation of China (No. 61376114).

  7. Engineering the Activity and Stability of Pt-Alloy Cathode Fuel-Cell Electrocatalysts by Tuning the Pt-Pt Distance

    DEFF Research Database (Denmark)

    Escribano, Maria Escudero; Malacrida, Paolo; Vej-Hansen, Ulrik Grønbjerg

    2014-01-01

    One of the main obstacles to the commercialisation of low-temperature fuel cells is the slow kinetics of the oxygen reduction reaction (ORR). In order to decrease the ORR overpotential and reduce the Pt loading we need to develop more active and stable electrocatalysts. A fruitful strategy...... for enhancing the cathode activity is to alloy Pt with transition metals [1-2]. However, alloys of Pt and late transition metals are typically unstable under fuel-cell conditions. Herein, we present experimental and theoretical studies showing the trends in activity and stability of novel cathode catalysts...... based on alloys of Pt and lanthanides. Sputter-cleaned, polycrystalline Pt5Gd shows a five-fold increase in ORR activity [3], relative to Pt at 0.9 V in 0.1 M HClO4. The rest of the Pt5Ln (Ln = lanthanide) tested present at least a 3-fold enhancement in activity [4,5]. In all cases, a Pt overlayer...

  8. Ethylene adsorption on Al{sub 2}O{sub 3}-supported Pt, Pt-Sn, and Pt-In catalysts

    Energy Technology Data Exchange (ETDEWEB)

    Passos, F.B.; Schmal, M. [Universidade Federal do Rio de Janeiro (Brazil); Vannice, M.A. [Pennsylvania State Univ., University Park, PA (United States)

    1996-04-15

    Adsorption of ethylene on selected Al{sub 2}O{sub 3}-supported Pt, Pt-Sn, and Pt-In catalysts was studied at 300 K. Sn and In decreased ethylene uptake. Integral, isothermal heats of adsorption were measured to be around 21 kcal/mol and not significantly altered by the presence of Sn or In. Decomposition of ethylene upon absorption is suppressed by the addition of Sn or In,except for highly dispersed Pt. The heat of irreversible adsorption of C{sub 2}H{sub 4} on Al{sub 2}O{sub 3}, In/Al{sub 2}O{sub 3}, and Sn/Al{sub 2}O{sub 3} without Pt was 4.9, 6.6, and 9.5 kcal/mol, respectively. 45 refs., 4 figs., 3 tabs.

  9. Bypassing the bandwidth theorem with PT symmetry

    CERN Document Server

    Ramezani, Hamidreza; Ellis, F M; Guenther, Uwe; Kottos, Tsampikos

    2012-01-01

    The beat time {\\tau}_{fpt} associated with the energy transfer between two coupled oscillators is dictated by the bandwidth theorem which sets a lower bound {\\tau}_{fpt}\\sim 1/{\\delta}{\\omega}. We show, both experimentally and theoretically, that two coupled active LRC electrical oscillators with parity-time (PT) symmetry, bypass the lower bound imposed by the bandwidth theorem, reducing the beat time to zero while retaining a real valued spectrum and fixed eigenfrequency difference {\\delta}{\\omega}. Our results foster new design strategies which lead to (stable) pseudo-unitary wave evolution, and may allow for ultrafast computation, telecommunication, and signal processing.

  10. MnO2/CNT supported Pt and PtRu nanocatalysts for direct methanol fuel cells.

    Science.gov (United States)

    Zhou, Chunmei; Wang, Hongjuan; Peng, Feng; Liang, Jiahua; Yu, Hao; Yang, Jian

    2009-07-07

    Pt/MnO2/carbon nanotube (CNT) and PtRu/MnO2/CNT nanocomposites were synthesized by successively loading hydrous MnO2 and Pt (or PtRu alloy) nanoparticles on CNTs and were used as anodic catalysts for direct methanol fuel cells (DMFCs). The existence of MnO2 on the surface of CNTs effectively increases the proton conductivity of the catalyst, which then could remarkably improve the performance of the catalyst in methanol electro-oxidation. As a result, Pt/MnO2/CNTs show higher electrochemical active surface area and better methanol electro-oxidation activity, compared with Pt/CNTs. As PtRu alloy nanoparticles were deposited on the surface of MnO2/CNTs instead of Pt, the PtRu/MnO2/CNT catalyst shows not only excellent electro-oxidation activity to methanol with forward anodic peak current density of 901 A/gPt but also good CO oxidation ability with lower preadsorbed CO oxidation onset potential (0.33 V vs Ag/AgCl) and peak potential (0.49 V vs Ag/AgCl) at room temperature.

  11. Radiolytic Preparation of Electrocatalysts with Pt-Co and Pt-Sn Nanoparticles for a Proton Exchange Membrane Fuel Cell

    Directory of Open Access Journals (Sweden)

    Sang Kyum Kim

    2014-01-01

    Full Text Available Nanosized Pt-Sn/VC and Pt-Co/VC electrocatalysts were prepared by a one-step radiation-induced reduction (30 kGy process using distilled water as the solvent and Vulcan XC72 as the supporting material. While the Pt-Co/VC electrodes were compared with Pt/VC (40 wt%, HiSpec 4000, in terms of their electrocatalytic activity towards the oxidation of H2, the Pt-Co/VC electrodes were evaluated in terms of their activity towards the hydrogen oxidation reaction (HOR and compared with Pt/VC (40 wt%, HiSpec 4000, Pt-Co/VC, and Pt-Sn/VC in a single cell. Additionally, the prepared electrocatalyst samples (Pt-Co/VC and Pt-Sn/VC were characterized by transmission electron microscopy (TEM, scanning electron microscope (SEM, thermogravimetric analysis (TGA, X-ray diffraction (XRD, X-ray photoelectron spectroscopy (XPS, electrochemical surface area (ECSA, and fuel cell polarization performance.

  12. Reactivity of the phosphinito bridged Pt(I) complex [(PHCy2)Pt(μ-PCy2){κ2P,O-μ-P(O)Cy2}Pt(PHCy2)](Pt-Pt) towards Au(I) and Ag(I) electrophiles.

    Science.gov (United States)

    Latronico, Mario; Sánchez, Sergio; Rizzuti, Antonino; Gallo, Vito; Polini, Flavia; Lalinde, Elena; Mastrorilli, Piero

    2013-02-21

    The reactivity of the phosphinito bridged Pt(I) complex [(PHCy(2))Pt(1)(μ-PCy(2)){κ(2)P,O-μ-P(O)Cy(2)}Pt(2)(PHCy(2))](Pt-Pt) (1) towards Au(I) and Ag(I) electrophiles was explored. Treatment of 1 with AuCl yielded the dichloro Pt(II) complex [(Cl)(PHCy(2))Pt(μ-PCy(2)){κ(2)P,O-μ-P(O)Cy(2)}Pt(Cl)(PHCy(2))] (4), while [Au(PPh(3))Cl] in thf (or toluene) caused ligand exchange resulting in the formation of [(PPh(3))Pt(μ-PCy(2)){κ(2)P,O-μ-P(O)Cy(2)}Pt(PHCy(2))](Pt-Pt) (7) and [(PPh(3))Pt(μ-PCy(2)){κ(2)P,O-μ-P(O)Cy(2)}Pt(PPh(3))](Pt-Pt) (8). With [Au(PPh(3))OTf] (independently from the solvent) or with [Au(PPh(3))Cl] (only in dichloromethane), reaction with 1 gave [(PHCy(2))Pt(1)(μ-PCy(2)){κ(2)P,O-μ-P(O)Cy(2)}Pt(2){μ-Au(PPh(3))}(PHCy(2))]X(Pt-Pt) ([6]X, X = OTf, Cl) clusters in which the [Au(PPh(3))] moiety bridges the μP-Pt(2) bond. The [Ag(PPh(3))](+) electrophile attacks complex 1 selectively at the Pt(2)-μP bond to afford, at low T, the cationic cluster [(PHCy(2))Pt(1)(μ-PCy(2)){κ(2)P,O-μ-P(O)Cy(2)}Pt(2){μ-Ag(PPh(3))}(PHCy(2))](+)(Pt-Pt) (10(+)) in which the [Ag(PPh(3))](+) moiety bridges the μP-Pt(2) bond. Clusters analogous to 10(+), but without PPh(3) bonded to Ag, are obtained from reactions of 1 with AgOTf, AgBF(4), AgClO(4) and AgCl.

  13. Factors affecting the spontaneous adsorption of Bi(III) onto Pt and PtRu nanoparticles

    Science.gov (United States)

    Sawy, Ehab N. El; Khan, M. Akhtar; Pickup, Peter G.

    2016-02-01

    The influence of Bi(III) concentration and pH on the spontaneous adsorption of Bi species onto Pt nanoparticles has been systematically investigated in order to identify the adsorbing species, determine whether the nature of the adsorbing species changes, and investigate whether the activities of the resulting Bi decorated particles for formic acid oxidation can be influenced. The adsorption of Bi follows a Temkin-type isotherm, with a pH dependence indicating that the adsorbing species is [Bi6O4(OH)4]6+. Activities of Bi decorated Pt nanoparticles for formic acid oxidation are strongly influenced by the Bi coverage, with a maximum enhancement of a factor of ca. 60 at a coverage of 70%, but not by the Bi(III) concentration or pH used to adsorb the Bi species, other than through their influence on Bi coverage. These results support the conclusion that the adsorbing species is [Bi6O4(OH)4]6+ under all conditions investigated. Adsorbed Bi also activates PtRu nanoparticles for formic acid oxidation, although the effect is not as strong as for Pt. The maximum enhancement observed was only a factor of ca. 7. This has been attributed to attenuation of the effects of Bi adatoms that are adsorbed at Ru sites.

  14. Conducting filaments in Pt/ZrCuO{sub y}/Pt resistive switching memory cells

    Energy Technology Data Exchange (ETDEWEB)

    Tulu, Berhanu [Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan (China); Chu, Jinn P., E-mail: jpchu@mail.ntust.edu.tw [Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan (China); Wang, Sea-Fue [Department of Materials and Minerals Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan (China)

    2015-11-15

    Forming-free unipolar resistive switching with good retention time, low voltage (<1.9 V) and thin thickness (∼11 nm) is obtained in oxygen deficient Pt/ZrCuO{sub y}/Pt devices. Annealing at 150 °C is beneficial to improve the endurance from 286 to >6 × 10{sup 3} and the resistance ratio from ∼13 to ∼25. Nanoscale current path images observed using a conductive atomic force microscope reveal a current density of ∼3.0 × 10{sup 2} nA/μm{sup 2} in the ON state, almost four orders of magnitude higher than ∼3.3 × 10{sup −2} nA/μm{sup 2} in the OFF state. The resistive switching is thought to be dominated by the oxygen vacancies, which serves as the filamentary conduction in the film. - Highlights: • Oxygen deficient Pt/ZrCuOy/Pt device after annealing at 150 °C is studied. • Forming-free resistive switching with good retention time, low voltage is obtained. • Annealing is shown to improve the endurance from 286 to >6 × 10{sup 3}. • The resistive switching is thought to be dominated by the oxygen vacancies.

  15. Enhanced spin-orbit torque by engineering Pt resistivity in Pt /Co /Al Ox structures

    Science.gov (United States)

    Lee, Jae Wook; Oh, Young-Wan; Park, Seung-Young; Figueroa, Adriana I.; van der Laan, Gerrit; Go, Gyungchoon; Lee, Kyung-Jin; Park, Byong-Guk

    2017-08-01

    The magnetization direction in heavy-metal (HM)/ferromagnet bilayers can be electrically controlled by spin-orbit torque (SOT); however, the efficiency of the SOT which depends on the spin-orbit coupling of the HM layer or its spin-Hall angle has to be improved further for actual applications. In this study, we report a significant enhancement of the spin-Hall effect of Pt and resultant SOT in Pt /Co /Al Ox structures by controlling the Pt resistivity. We observed that the effective spin-Hall angle increases about three times as the resistivity of Pt layer is increased 1.6 times by changing the Ar deposition pressure from 3 to 50 mTorr. This enhancement in effective spin-Hall angle is confirmed by the reduction in the critical current for SOT-induced magnetization switching. Furthermore, x-ray absorption spectroscopy analysis reveals a non-negligible contribution of the interfacial spin-orbit coupling to the effective spin-Hall angle. Our result, the efficient control of effective spin Hall angle by controlling the HM resistivity, paves the way to improved switching efficiency in SOT-active devices.

  16. Cyclometalated heteronuclear Pt/Ag and Pt/Tl complexes: a structural and photophysical study.

    Science.gov (United States)

    Jamali, Sirous; Ghazfar, Reza; Lalinde, Elena; Jamshidi, Zahra; Samouei, Hamidreza; Shahsavari, Hamid R; Moreno, M Teresa; Escudero-Adán, Eduardo; Benet-Buchholz, Jordi; Milic, Dalibor

    2014-01-21

    To investigate the factors influencing the luminescent properties of polymetallic cycloplatinated complexes a detailed study of the photophysical and structural properties of the heteronuclear complexes [Pt2Me2(bhq)2(μ-dppy)2Ag2(μ-acetone)](BF4)2, 2, [PtMe(bhq)(dppy)Tl]PF6, 3, and [Pt2Me2(bhq)2(dppy)2Tl]PF6, 4, [bhq = benzo[h]quinoline, dppy = 2-(diphenylphosphino)pyridine] was conducted. Complexes 3 and 4 synthesized by the reaction of [PtMe(bhq)(dppy)], 1, with TlPF6 (1 or 1/2 equiv.) and stabilized by unsupported Pt-Tl bonds as revealed by multinuclear NMR spectroscopy and confirmed by X-ray crystallography for 3. DFT calculations for the previously reported butterfly Pt2Ag2 cluster 2 reveal that in the optimized geometry the bridging acetone molecule is removed and the metal core displays a planar-shaped geometry in which according to a QTAIM calculation and natural bond orbital (NBO) analysis the Ag···Ag metallophilic interaction is strengthened. In contrast to the precursor 1, which is only emissive in glassy solutions ((3)MLCT 485 nm), all 2-4 heteropolynuclear complexes display intense emissions in the solid state and in glassy solutions. Time-dependent density functional theory (TD-DFT) is used to elucidate the origin of the electronic transitions in the heteronuclear complexes 2 and 3. The low energy absorption and intense orange emission for cluster 2 (solid 77 K and glass) are attributed to metal-metal to ligand charge transfer (MM'LCT) with a minor L'LCT contribution. For 3 and 4 two different bands are developed: the high energy band (602-630 nm) observed for 4 at 77 K (solid, glass) and in diluted glasses for 3 is ascribed to emission from discrete Pt2Tl units of mixed (3)L'LCT/(3)LM'CT origin. However, the low energy band (670-690 nm) observed at room temperature (solid) for both complexes and also in concentrated glasses for 3 is assigned to (3)ππ excited states arising from intermolecular interactions.

  17. Amount and Focus of Physical Therapy and Occupational Therapy for Young Children with Cerebral Palsy

    Science.gov (United States)

    Palisano, Robert J.; Begnoche, Denise M.; Chiarello, Lisa A.; Bartlett, Doreen J.; McCoy, Sarah Westcott; Chang, Hui-Ju

    2012-01-01

    The aims of this study were to describe physical therapy (PT) and occupational therapy (OT) services for a cohort of 399 children with cerebral palsy (CP), 2-6 years old, residing in the United States and Canada. Parents completed a services questionnaire by telephone interview. Therapists classified children's Gross Motor Function Classification…

  18. Penetapan Strategi Bisnis pada PT. Pabrik Es Siantar, Pematangsiantar

    OpenAIRE

    Pakpahan, Vovi Novita

    2015-01-01

    This research aims to identify the types of strategies used dan analyze the internal environment PT. Pabrik Es Siantar related strenghts and weaknesses and the external environment related opportunities and threats to determine the right strategy and the way it is applied in PT. Pabrik Es Siantar in the face of competition. The type of strategy adopted PT. Pabrik Es Siantar classified as a defensive strategy. The input stage of business strategy include matrix EFE,IFE and CPM. The total ...

  19. Gender politics in the PT government

    Directory of Open Access Journals (Sweden)

    Fiona MACAULAY

    2011-01-01

    Full Text Available What difference will a Workers’ Party (Partido dos Trabalhadores-PT govern­ment make to women’s status and rights in Brazil? In order to analyse the Lula government’s approach to gender issues, the article first examines the party’s foundation and development, and relationship to social movements, including the women’s movement. The PT is shown to be a groundbreaker in the Brazilian party system, in terms both of promoting women’s leadership and of its ideological and institutional commitment to gender equity and equality, as illustrated by the party’s state and municipal governments, by its actions in the legislative sphere. The article then analyses the likely direction of the new Special Secretariat for Policies on Women in the light of the previous, uneven trajectory of Brazil’s national machinery for promoting women’s status, and of the kinds of gender policy orientations discernible in the party’s subnational administrations. It concludes by analysing some of the gender policies put forward since the beginning of the Lula government in January 2003.

  20. Efektifitas Pelaksanan Program CSR PT Tirta Bahagia

    Directory of Open Access Journals (Sweden)

    Anggara Prihardana

    2015-12-01

    Full Text Available CSR first appeared in official discourse since the presence of academic writings of Howard Bowen, entitled Social Responsibility of Businessmen raised in 1953. CSR in the meaning of Bowen refers to the obligation of business to make and implement policies, decisions, and actions that follow the norms in a society. In the implementation of the program of corporate social responsibility (CSR, PT Tirta Bahagia has a lot of activities in the field of education, the environment or health. In carrying out these activities there are several stages performed i.e. ranging from planning, implementation, and evaluation. In this discussion that became the focus of research is on the development of the well absorption done by the company in the village which is also the location of the factory. PT Tirta Bahagia starting the planning stages are not based on the order in which they should be, i.e. starts with vision and mission would formulate but positioning the provision of funds (budget being the first with reason a very limited source of funding, causing the program to be run CSR activities should be adapted to the existing funds.

  1. Strategi Bisnis pada PT Wirapati Garuda Paksi

    Directory of Open Access Journals (Sweden)

    Rina Astini

    2010-03-01

    Full Text Available PT Garuda Wirapati Paksi (WGP is a private corporation engaged in the Security and Rescue Services Business Sector (BUJPP in guarding. Many challenges arise from the external environment such as unstable political and economic conditions, competition among companies and the entry of foreign firms. To face the above phenomenon, the right and effective business strategy is the right tool for avoiding the challenge. Business strategy planning is absolutely necessary for companies that want to survive in the future. The research method is descriptive. Data collection techniques used are questionnaire and interview with relevant parties within the company. The data have been obtained that, in the analysis through three phases, namely input, matching, and decision stage. The final results of this study concluded that the proposed effective business strategy for PT Garuda Wirapati Paksi based on QSPM matrix is Market Penetration Strategy. This strategy is considered to reduce business risk arising as a result of significant changes to the external environment of the company.

  2. Characterization of Pt catalysts supported in mixed oxides; Caracterizacion de catalizadores de Pt soportado en oxidos mixtos

    Energy Technology Data Exchange (ETDEWEB)

    Perez H, R.; Garcia C, M.A.; Gomez C, A.; Diaz, G. [Instituto Nacional de Investigaciones Nucleares, A.P. 18-1027, 11801 Mexico D.F. (Mexico)

    2000-07-01

    The catalytic supports TiO{sub 2}, ZrO{sub 2} and TiO{sub 2}-ZrO{sub 2} were prepared by the sol-gel technique. The incorporation of Pt to the supports was by the classical impregnation method. The catalytic materials were characterized (Pt/TiO{sub 2}, Pt/ZrO{sub 2} and Pt/TiO{sub 2}-ZrO{sub 2}) by diverse techniques to determine: the texture (BET), evolution of the catalytic materials synthesised after drying and calcination (Infrared spectroscopy) and by Thermogravimetric analysis. (Author)

  3. Effect of the state of distribution of supported Pt nanoparticles on effective Pt utilization in polymer electrolyte fuel cells.

    Science.gov (United States)

    Uchida, Makoto; Park, Young-Chul; Kakinuma, Katsuyoshi; Yano, Hiroshi; Tryk, Donald A; Kamino, Takeo; Uchida, Hiroyuki; Watanabe, Masahiro

    2013-07-21

    In polymer electrolyte fuel cells, it is essential to minimize Pt loading, particularly at the cathode, without serious loss of performance. From this point of view, we will report an advanced concept for the design of high performance catalysts and membrane-electrode assemblies (MEAs): first, the evaluation of Pt particle distributions on both the interior and exterior walls of various types of carbon black (CB) particles used as supports with respect to the "effective surface (ES)"; second, control of both size and location of Pt particles by means of a new preparation method (nanocapsule method); and finally, a new evaluation method for the properties of MEAs based on the Pt utilization (UPt), mass activity (MA), and effectiveness of Pt (EfPt), based on the ES concept. The amounts of Pt catalyst particles located in the CB nanopores were directly evaluated using the transmission electron microscopy, scanning electron microscopy and corresponding three-dimensional images. By use of the nanocapsule method and optimization of the ionomer, increased MA and EfPt values for the MEA were achieved. The improvement in the cathode performance can be attributed to the sharp particle-size distribution for Pt and the highly uniform dispersion on the exterior surface of graphitized carbon black (GCB) supports.

  4. Freud, Psychodynamics, and Incest.

    Science.gov (United States)

    Rosenfeld, Alvin

    1987-01-01

    Distills the essence of Freud's thinking about incest, placing it within the context of childhood sexuality. Discusses clinical and research implications concerning the relationship between sexual trauma and emotional disturbances. Raises questions requiring further investigation. (NH)

  5. The psychodynamics of terrorism.

    Science.gov (United States)

    Kent, I; Nicholls, W

    1978-01-01

    The authors propose a dynamic and social explanation for the 'malignant aggression' of the terrorist. No specific terrorist character is to be looked for. Rather, terrorism can occur whenever political conditions provide social legitimation for the acting out of deeply repressed hatred. The origins of this hatred lie in parental abuse, leading to murderous rage in the child, which must be deflected onto safer targets than the terrifying parent, such as the parent's enemies, or the authorities of one's country. Political terrorism therefore involves the exploitation of mental illness, connived at in turn by the international public through the media.

  6. [Tranylcypromine for chronic therapy-resistant agoraphobia with panic disorder and recurrent depressive disorder].

    Science.gov (United States)

    Boerner, Reinhard J; Lühring, Frauke

    2010-10-01

    Tranylcypromine has been recommend as an option for therapy-resistant depressive and anxiety disorders. In this case report the effectiveness of this medication as a part of a combined therapy-program including pharmacological, behavioural and psychodynamic interventions could be demonstrated on an outpatient with a therapy-resistant depression and agoraphobia. The development of the illness, clinical symptoms and the 4 year ongoing therapy of a 69-year old patient are described in detail. After the failure of 13 antidepressant agents with considerable side effects, a one year sustained remission of depression as well as great improvement of agoraphobia could be achieved with tranylcypromine. In this situation, tranylcypromine showed itself, for the first time, to be a very effective and well tolerated antidepressant. © Georg Thieme Verlag KG Stuttgart · New York.

  7. Treating functional non-epileptic attacks - Should we consider acceptance and commitment therapy?

    Science.gov (United States)

    Cope, Sarah R; Poole, Norman; Agrawal, Niruj

    2017-08-01

    Patients who experience functional non-epileptic attacks (FNEA) are frequently seen in Neurology clinics. Diagnosis alone can result in cessation of attacks for some patients, but many patients require further treatment. There is evidence that certain psychological therapies, like cognitive-behavioral therapy (CBT) and psychodynamic interpersonal therapy (PIT) can be beneficial. Acceptance and commitment therapy (ACT) is a type of CBT that has been found to be effective at treating other somatic disorders, like epilepsy and chronic pain. In this paper, we explain what ACT is, the current evidence-base for its use, and the rationale for why it may be a beneficial treatment for patients who experience FNEA. We conclude that ACT is a potential treatment option for FNEA, and further research is required. Copyright © 2017 Elsevier Inc. All rights reserved.

  8. [Active music therapy for chronic pain: a prospective study].

    Science.gov (United States)

    Müller-Busch, H C; Hoffmann, P

    1997-04-18

    There are only few publications about the effect of music therapy on pain relief. The intention of this prospective study is to demonstrate the influence of the Nordoff/Robbins method of active music therapy in a group of 12 patients with fibromyalgia, myofascial pain syndromes and polyarthritis on pain reduction, life quality and coping. The clinical parameters of each patient were related to the observations in the audio- and video-documented music therapy settings and to the self-reported changes in pain intensity and pain behaviour. There was a significant reduction of pain intensity and pain-related disability in the music group compared to a control group, but no change in the depression and anxiety score. The influence of music therapy could be even better demonstrated in the systematic analysis of the single cases by individual profiles. Active music therapy affects especially the communicative and emotional dimension of chronic pain. Psychophysiological and psychodynamic models are presented to explain the effectiveness of music therapy on pain reduction. Clinical studies on music therapy as well as on other "art therapies" should relate the analysis of clinical parameters to the descriptive-phenomenological documentation of the therapeutic process to demonstrate systematically the influence of music and art in the individual case.

  9. How a gold substrate can increase the reactivity of a Pt overlayer

    DEFF Research Database (Denmark)

    Pedersen, Morten Ø.; Helveg, Stig; Ruban, Andrei

    1999-01-01

    , in which 3% of the Au atoms are replaced by Pt. Subsequent Pt evaporation leads to island growth with a mixed Pt-Au island composition. The reactivity of the Pt/Au system is studied using CO as a probe molecule. We show that a stronger bonding of CO to the first layer of Pt on Au(111) exists compared...

  10. Anomalous Structural Disorder in Supported Pt Nanoparticles.

    Science.gov (United States)

    Vila, Fernando D; Rehr, John J; Nuzzo, Ralph G; Frenkel, Anatoly I

    2017-07-20

    Supported Pt nanocatalysts generally exhibit anomalous behavior, including negative thermal expansion and large structural disorder. Finite temperature DFT/MD simulations reproduce these properties, showing that they are largely explained by a combination of thermal vibrations and low-frequency disorder. We show here that a full interpretation is more complex and that the DFT/MD mean-square relative displacements (MSRD) can be further separated into vibrational disorder, "dynamic structural disorder" (DSD), and long-time equilibrium fluctuations of the structure dubbed "anomalous structural disorder" (ASD). We find that the vibrational and DSD components behave normally, increasing linearly with temperature while the ASD decreases, reflecting the evolution of mean nanoparticle geometry. As a consequence the usual procedure of fitting the MSRD to normal vibrations plus temperature-independent static disorder results in unphysical bond strengths and Grüneisen parameters.

  11. Corporate Governance in PT Lippo Karawaci Tbk

    Directory of Open Access Journals (Sweden)

    Retno Kusumastuti

    2012-06-01

    Full Text Available When mismanagement and misuse run rampant in giant corporations, as in the case of Enron in 2001, good corporate governance becomes mandatory. From the perspective of the agency theory, the separation of capital owners and management must lead to strictly applied good corporate governance. The purpose is to eliminate any disadvantages to the corporation's objective, namely providing added values to all relevant parties. The agency theory also covers two aspects: agency issues and agency costs. The research uses the qualitative approach and data is gathered through extensive interview, secondary data, and bibliography study. Key persons among the sources are selected based on specific criteria. Data validity is obtained through the triangulation technique, and the samples used are PT Lippo Karawaci Tbk and subsidiaries. The results show that governance practices are unique in each corporation, in accordance with their characteristics.

  12. Perancangan E-Commerce Pada PT DAF

    Directory of Open Access Journals (Sweden)

    Rudy Rudy

    2010-06-01

    Full Text Available The purpose of this study is to analyze and design e-commerce at. DAF to help the sales process is then expected to improve service. The methodology used is the method of analysis, where the review is held directly to the field, observing and analyzing the data obtained, and using the design method, which includes design of business models, screen designs and database design. Results to be achieved is the application of e-commerce web-based, whereby the system can enable customers to obtain the desired information is complete, make transactions easier and faster. Conclusions obtained are PT DAF can take advantage of e-commerce to support their business today and an appropriate business model is the highest-quality models.

  13. Chemonuclear studies for identification for new production routes for the therapeutically useful radionuclides {sup 140}Nd, {sup 192}Ir, {sup 191}Pt, {sup 193m}Pt, und {sup 195m}Pt; Kernchemische Studien zur Entwicklung neuerer Produktionsverfahren fuer die therapierelevanten Radionuklide {sup 140}Nd, {sup 192}Ir, {sup 191}Pt, {sup 193m}Pt, und {sup 195m}Pt

    Energy Technology Data Exchange (ETDEWEB)

    Hilgers, K.

    2005-12-15

    New production routes for the therapeutically useful radionuclides {sup 140}Nd, {sup 192}Ir, {sup 191}Pt, {sup 193m}Pt and {sup 195m}Pt were investigated. Cross section data were measured using the stacked-foil technique and compared with theoretical calculations. A production method for the platinum nuclides was developed. The {sup 141}Pr(p, 2n){sup 140}Nd and {sup nat}Ce({sup 3}He, xn){sup 140}Nd reactions were investigated for production of {sup 140}Nd. Cross section data of nuclear reactions leading to the side products {sup 141}Nd, {sup 139}Nd and {sup 139}Ce could also be achieved. The experimental data were compared with theoretical calculations using the code ALICE-IPPE. A comparison of the calculated thick target yields showed that the {sup 141}Pr(p, 2n){sup 140}Nd reaction gives a higher yield. The {sup 192}Os(p, n){sup 192}Ir reaction was examined in the context of the production of {sup 192}Ir. Cross section data were determined and compared with theoretical calculations using the codes ALICE-IPPE and EMPIRE II. The yield of this reaction was compared with the yield of the reactor production of this nuclide. The reactor production seems to be more suitable because of a higher purity and yield. Cross section data were measured for the {sup 192}Os({alpha}, n){sup 195m}Pt, {sup 192}Os({alpha}, 3n){sup 193m}Pt and {sup 192}Os({sup 3}He, 4n){sup 191}Pt reactions. The activity of {sup 193m}Pt and {sup 195m}Pt was determined by X-ray spectroscopy after a chemical separation procedure. The ALICE-IPPE code was found to be inappropriate to reproduce the experimental values. The calculated yields were compared with the yields of other reactions, especially the reactor production of {sup 195m}Pt. The yield of the {sup 192}Os({alpha}, n){sup 195m}Pt reaction is lower compared to the yield of the reactor production, but offers lower target costs and higher specific activity. A production method for {sup 193m}Pt and {sup 195m}Pt was developed. Batch yields of 0.9 MBq

  14. Ab initio study of Pt induced nanowires on Ge(001)

    NARCIS (Netherlands)

    Vanpoucke, D.E.P.

    2009-01-01

    The aim of this thesis: “Ab Initio Study of Pt Induced Nanowires on Ge(001)”, is to model the experimentally observed ‘Pt nanowires’ on Ge(001). These one-atom-thick wires can be hundreds of nanometers long while remaining defect and kink free, providing the ultimate wire any chip designer dreams

  15. Coarsening of carbon black supported Pt nanoparticles in hydrogen

    DEFF Research Database (Denmark)

    Simonsen, Søren Bredmose; Wang, Yan; Jensen, Jens Oluf

    2017-01-01

    This study addresses coarsening mechanisms of Pt nanoparticles supported on carbon black in hydrogen. By means of in situ transmission electron microscopy (TEM), Pt nanoparticle coarsening was monitored in 6 mbar 20 % H2/Ar while ramping up the temperature to almost 1000 °C. Time-resolved TEM...

  16. Double stripe reconstruction of the Pt(111) surface

    Indian Academy of Sciences (India)

    Unknown

    calculations on bulk Pt, a Pt slab with (111) surfaces, and a slab with an adatom adsorbed at an fcc site. The bulk calculations are performed using 100 k points in the irre- ducible Brillouin zone (IBZ) in evaluating Brillouin zone sums. From these bulk calculations, we get the lattice constant, a0, as 3⋅91 Å and the cohesive ...

  17. Mechanisms of self-diffusion on Pt(110)

    DEFF Research Database (Denmark)

    Lorensen, Henrik Qvist; Nørskov, Jens Kehlet; Jacobsen, Karsten Wedel

    1999-01-01

    The self-diffusion of Pt on the missing row reconstructed Pt(110) surface is discussed based on density functional calculations of activation energy barriers. Different competing diffusion mechanisms are considered and we show that several different diffusion paths along the reconstruction troughs...

  18. Microemulsion prepared Ni88Pt12 for methane cracking

    KAUST Repository

    Zhou, Lu

    2017-01-16

    Monodispersed NiPt nanoparticles of 10 nm were synthesized by water-in-oil microemulsion. The Ni-Pt alloy structure was stable during the thermal treatment between 330 and 1037 °C, whereas the relatively low temperature range of 600-700 °C was favorable for methane cracking to produce hydrogen and carbon nanotubes.

  19. Results of the Proficiency Test, PT1 and PT2, 2011

    DEFF Research Database (Denmark)

    Kahns, Søren; Nicolajsen, Nicole; Christophersen, Maj-Britt

    2012-01-01

    A comparative test of diagnostic procedures was provided by the EU Reference Laboratory (EURL) for Fish Diseases to 41 National Reference Laboratories (NRLs) in the start of middle of October 2011. The test was prepared and tested according to protocols accredited by DANAK under registration numb...... 515 to proficiency testing according to the quality assurance standard DS/EN ISO/IEC 17043. The test consisted of 2 tests: PT1 and PT2.......A comparative test of diagnostic procedures was provided by the EU Reference Laboratory (EURL) for Fish Diseases to 41 National Reference Laboratories (NRLs) in the start of middle of October 2011. The test was prepared and tested according to protocols accredited by DANAK under registration number...

  20. A sensitivity comparison of the Quick and Owren prothrombin time methods in oral anticoagulant therapy

    Directory of Open Access Journals (Sweden)

    Juha Eero Horsti

    2009-09-01

    Full Text Available Prothrombin time (PT is the leading test for monitoring oral anticoagulation therapy (OAT. According to the World Health Organization recommendation, International Normalized Ratio (INR results obtained from the same patient samples with the major PT methods (Quick and Owren should be the same when the therapeutic range is the same. In our study blood samples were obtained from 207 OAT patients. We analyzed the samples using two Quick and two Owren PT (combined thromboplastin reagents for INR and assessed the sensitivity and true coagulation activity using a new-generation PT method. The INR values with the Quick PT and Owren PT methods were very similar around the normal range, while unacceptable differences were seen within the therapeutic range and at higher INR values. The Quick PT results as INR are clearly lower than those given by Owren PT and the difference increases toward higher INR. The new PT method functions well with both Owren PT reagents, and we can calculate the true active INR. The Quick PT methods show no sensitivity to coagulation inhibition measurement. The harmonization of the INR is an important goal for the safety of OAT patients. More accurate INR results reduce morbidity and mortality, and the therapeutic ranges should be similar worldwide. In this study we found unacceptable differences in INR results produced by the two PT methods. The new method showed a lack of sensitivity to Quick PT. For the global harmonization of OAT therapy and for INR accuracy only the more sensitive Owren PT method should be used.

  1. Multifunctional multisegmented Co/CoPt3 heterostructure nanowires.

    Science.gov (United States)

    Su, Yikun; Tang, Jiaoning; Yang, Haitao; Cheng, Zhaohua

    2013-10-21

    Multisegmented (MS) Co/CoPt3 nanowires (NWs) have been successfully fabricated by a template-assisted pulsed electrodeposition process and the length of each Co and CoPt3 segment is controlled by the pulse durations. The MS NWs show both the characteristic surface plasmon absorption and catalytic properties of CoPt3 and the strong ferromagnetic properties of Co that are affected by the interactions between Co and CoPt3. Furthermore, the ferromagnetic, optical, and catalytic properties can be well modulated by mainly changing the length of the Co and CoPt3 segments, respectively. Such multifunction of MS nanowires can be exploited for recyclable catalysts and bioassays based on their magnetic-catalytic and magnetic-optical properties, respectively.

  2. Topological states in partially-PT-symmetric azimuthal potentials

    CERN Document Server

    Kartashov, Yaroslav V; Torner, Lluis

    2015-01-01

    We introduce partially-parity-time-symmetric (pPT-symmetric) azimuthal potentials composed from individual PT-symmetric cells located on a ring, where two azimuthal directions are nonequivalent in a sense that in such potentials excitations carrying topological dislo-cations exhibit different dynamics for different directions of energy circulation in the initial field distribution. Such non-conservative ratchet-like structures support rich families of stable vortex solitons in cubic nonlinear media, whose properties depend on the sign of the topological charge due to the nonequivalence of azimuthal directions. In contrast, oppositely charged vortex solitons remain equivalent in similar fully PT-symmetric potentials. The vortex solitons in the pPT- and PT-symmetric potentials are shown to feature qualitatively different internal current distributions, which are described by different discrete rotation symmetries of the intensity profiles.

  3. Specific adsorption of arsenic and humic acid on Pt and PtO films

    Energy Technology Data Exchange (ETDEWEB)

    Menezes, Hebert A. [Department of Chemistry, Universidade Federal de Mato Grosso do Sul, Av. Filinto Muller, 1555, Cidade Universitaria s/n, C.P. 549, Campo Grande, MS 79070-900 (Brazil); Maia, Gilberto, E-mail: gmaia@nin.ufms.b [Department of Chemistry, Universidade Federal de Mato Grosso do Sul, Av. Filinto Muller, 1555, Cidade Universitaria s/n, C.P. 549, Campo Grande, MS 79070-900 (Brazil)

    2010-07-01

    A study of specific adsorption of arsenic (As) and humic acid (HM) onto Pt and PtO films using cyclic voltammetry and cyclic massogram in 0.5-M H{sub 2}SO{sub 4} is presented, which may serve as an alternative to studies involving specific adsorption of these species on soil minerals. Adsorption of As is normally evaluated by conducting batch adsorption experiments, followed by analysis using hydride-generation atomic absorption spectrophotometry (HGAA) or inductively coupled plasma-optical emission spectrometry (ICP-OES). We found that specific adsorption of As and HM depends both on the surface and on these species present in the adsorption solution. HM does not desorb previously adsorbed As at the HM concentrations used in the present study, but it does co-adsorb with As from a 1 x 10{sup -6}-M aqueous solution of As{sub 2}O{sub 3} containing 1 mg of carbon L{sup -1} HM. Arsenic adsorbs strongly on Pt in the presence of HM or during sequential specific adsorption with HM.

  4. Modeling surface segregation phenomena in the (111) surface of ordered Pt3Ti crystal.

    Science.gov (United States)

    Duan, Zhiyao; Zhong, Jun; Wang, Guofeng

    2010-09-21

    We investigated the surface segregation phenomena in the (111) surface of ordered Pt(3)Ti crystal using density functional theory (DFT) calculation (with no configuration sampling) and Monte Carlo (MC) simulation method (employing modified embedded atom method potentials and with extensive configuration sampling). Our DFT study suggested that the off-stoichiometric effect (specifically, a Pt concentration higher than 75 at. %) accounted for the experimentally observed Pt segregation to the outermost layer of the Pt(3)Ti (111). Our MC simulations predicted that in a Pt(3)Ti (111) sample with a Pt concentration slightly above 75 at. %, Pt atoms would segregate to the surface to form a pure Pt outermost layer, while the ordered Pt(3)Ti crystal structure would be maintained in the second layer and below. Moreover, our DFT calculations revealed that the d-band center of the Pt-segregated Pt(3)Ti (111) surface would downshift by 0.21 eV as compared to that of a pure Pt (111) surface. As a result, O adsorption energy on the Pt-segregated Pt(3)Ti (111) surface was found to be at least 0.16 eV weaker than that on the pure Pt (111) surface. Thus, we theoretically modeled the geometric and electronic structures of the Pt-segregated Pt(3)Ti (111) surface and further suggested that the Pt surface segregation could lead to enhanced catalytic activity for oxygen reduction reactions on Pt(3)Ti alloy catalysts.

  5. Psychological therapies for panic disorder with or without agoraphobia in adults: a network meta-analysis.

    Science.gov (United States)

    Pompoli, Alessandro; Furukawa, Toshi A; Imai, Hissei; Tajika, Aran; Efthimiou, Orestis; Salanti, Georgia

    2016-04-13

    Panic disorder is characterised by the presence of recurrent unexpected panic attacks, discrete periods of fear or anxiety that have a rapid onset and include symptoms such as racing heart, chest pain, sweating and shaking. Panic disorder is common in the general population, with a lifetime prevalence of 1% to 4%. A previous Cochrane meta-analysis suggested that psychological therapy (either alone or combined with pharmacotherapy) can be chosen as a first-line treatment for panic disorder with or without agoraphobia. However, it is not yet clear whether certain psychological therapies can be considered superior to others. In order to answer this question, in this review we performed a network meta-analysis (NMA), in which we compared eight different forms of psychological therapy and three forms of a control condition. To assess the comparative efficacy and acceptability of different psychological therapies and different control conditions for panic disorder, with or without agoraphobia, in adults. We conducted the main searches in the CCDANCTR electronic databases (studies and references registers), all years to 16 March 2015. We conducted complementary searches in PubMed and trials registries. Supplementary searches included reference lists of included studies, citation indexes, personal communication to the authors of all included studies and grey literature searches in OpenSIGLE. We applied no restrictions on date, language or publication status. We included all relevant randomised controlled trials (RCTs) focusing on adults with a formal diagnosis of panic disorder with or without agoraphobia. We considered the following psychological therapies: psychoeducation (PE), supportive psychotherapy (SP), physiological therapies (PT), behaviour therapy (BT), cognitive therapy (CT), cognitive behaviour therapy (CBT), third-wave CBT (3W) and psychodynamic therapies (PD). We included both individual and group formats. Therapies had to be administered face-to-face. The

  6. CO2 electroreduction characteristics of Pt-Ru/C powder and Pt-Ru sputtered electrodes under acidic condition

    Science.gov (United States)

    Furukawa, Hiroto; Matsuda, Shofu; Tanaka, Shoji; Shironita, Sayoko; Umeda, Minoru

    2018-03-01

    The objective of this study was to overcome the issue about the underpotential adsorption of the CO2 electroreductant on the surface of the Pt electrocatalyst under acidic conditions by the alloying of Pt and Ru. As evaluation parameters, the CO2 reduction onset potential and CO2-reductant reoxidation onset potential were employed. We prepared a porous microelectrode filled with Pt-Ru/C powder and a Pt-Ru sputtered electrode. For the Pt-Ru/C powder electrocatalyst, the CO2 reduction onset potential as well as the CO2-reductant reoxidation onset potential shifted in the direction of the CO2/CO2-reductant standard redox potential dependent on the Ru content, which is indicative of a decrease in the underpotential-adsorption energy of the CO2 reductant. For the Pt-Ru sputtered electrode, only the CO2 reduction onset potential shifted in the direction of the redox potential. Consequently, we demonstrated that the Pt-Ru/C powder electrode improved the reactivity of the CO2/CO2-reductant when discussing the relationship between the CO2 reduction onset potential and the CO2-reductant reoxidation onset potential. Based on our findings, the Pt-Ru/C (1:9) powder is the most effective electrocatalyst for the CO2 reduction, which could minimize the underpotential adsorption.

  7. Investigation of nano Pt and Pt-based alloys electrocatalysts for direct methanol fuel cells and their properties

    Directory of Open Access Journals (Sweden)

    Chunguang Suo

    2014-03-01

    Full Text Available The electrocatalysts used in micro direct methanol fuel cell (μDMFC, such as Pt/C and Pt alloy/C, prepared by liquid-phase NaBH4 reduction method have been investigated. XC-72 (Cobalt corp. Company, U.S.A is chosen as the activated carrier for the electrocatalysts to keep the catalysts powder in the range of several nanometers. The XRD, SEM, EDX analyses indicated that the catalysts had small particle size in several nanometers, in excellent dispersed phase and the molar ratio of the precious metals was found to be optimal. The performances of the DMFCs using cathodic catalyst with Pt percentage of 30wt% and different anodic catalysts (Pt-Ru, Pt-Ru-Mo were tested. The polarization curves and power density curves of the cells were measured to determine the optimal alloy composition and condition for the electrocatalysts. The results showed that the micro direct methanol fuel cell with 30wt% Pt/C as the cathodic catalyst and n(Pt:n(Ru:n(Mo = 3:2:2 PtRuMo/C as the anodic catalyst at room temperature using 2.0mol/L methanol solution has the best performances.

  8. Formation of Pt induced Ge atomic nanowires on Pt/Ge(001): a density functional theory study

    NARCIS (Netherlands)

    Vanpoucke, D.E.P.; Vanpoucke, Danny E.P.; Brocks, G.

    2008-01-01

    Pt deposited onto a Ge001 surface gives rise to the spontaneous formation of atomic nanowires on a mixed Pt-Ge surface after high-temperature annealing. We study possible structures of the mixed surface and the nanowires by total energy density functional theory calculations. Experimental

  9. Continuous Catalytic Hydrodeoxygenation of Guaiacol over Pt/SiO2 and Pt/H-MFI-90

    DEFF Research Database (Denmark)

    Hellinger, Melanie; Baier, Sina; Mortensen, Peter Mølgaard

    2015-01-01

    depended on the support and the temperature. Both guaiacol and octanol were rapidly deoxygenated in the presence of hydrogen over Pt/H-MFI-90 at 250 °C to cyclohexane and octane, respectively. In contrast, Pt/SiO2 mostly showed hydrogenation, but hardly any deoxygenation activity. The acidic sites...

  10. Synthesis and characterization of carbon nanotubes decorated with Pt and PtRu nanoparticles and assessment of their electrocatalytic performance

    NARCIS (Netherlands)

    Kardimi, Kiriaki; Tsoufis, Theodoros; Tomou, Aphrodite; Kooi, Bart J.; Prodromidis, Mamas I.; Gournis, Dimitrios

    Novel hybrid electrocatalysts were developed based on the attachment of pre-formed capped Pt and PtRu nanoparticles (NPs) on the external surfaces of multi-walled carbon nanotubes (MWCNTs). MWCNTs chemically functionalized by both covalent and non-covalent chemical strategies were tested and

  11. Crystalline Control of {111} Bounded Pt3Cu Nanocrystals: Multiply-Twinned Pt3Cu Icosahedra with Enhanced Electrocatalytic Properties.

    Science.gov (United States)

    Sun, Xiuhui; Jiang, Kezhu; Zhang, Nan; Guo, Shaojun; Huang, Xiaoqing

    2015-07-28

    Despite that different facets have distinct catalytic behavior, the important role of twin defects on enhancing the catalytic performance of metallic nanocrystals is largely unrevealed. The key challenge in demonstrating the importance of twin defects for catalysis is the extreme difficulties in creating nanostructures with the same exposed facets but tunable twin defects that are suitable for catalytic investigations. Herein, we show an efficient synthetic strategy to selectively synthesize {111}-terminated Pt3Cu nanocrystals with controllable crystalline features. Two distinct {111}-bounded shapes, namely, multiply-twinned Pt3Cu icosahedra and single-crystalline Pt3Cu octahedra, are successfully prepared by simply changing the types of Cu precursors with the other growth parameters unchanged. Electrocatalytic studies show that the {111}-terminated Pt3Cu nanocrystals exhibit the very interesting crystalline nature-dependent electrocatalytic activities toward both the oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR) with multiply-twinned Pt3Cu icosahedra demonstrating enhanced electrocatalytic activities compared to the single-crystalline Pt3Cu octahedra due to their additional yet important effect of twin defect. As a result, under the multiple tuning conditions (alloy, shape, and twin effects), the multiply-twinned Pt3Cu icosahedra exhibit much enhanced electrocatalytic activities in both ORR and MOR with respect to the Pt black. The present work highlights the importance of twin defects in enhancing electrocatalytic activities of metallic nanocrystals.

  12. Unexpected, spontaneous and selective formation of colloidal Pt 3Sn nanoparticles using organometallic Pt and Sn complexes

    KAUST Repository

    Boualleg, Malika

    2010-01-01

    The facile and selective synthesis of small crystalline Pt3Sn alloy nanoparticles was performed at room temperature under H2, using a colloidal approach without the use of extra-stabilizing ligands. The Pt 3Sn alloy was found to be obtained spontaneously as the unique phase regardless of the number of tin equivalents introduced. © 2010 The Royal Society of Chemistry.

  13. Island Shape-Induced Transition from 2D to 3D Growth for Pt/Pt(111)

    DEFF Research Database (Denmark)

    Jacobsen, Joachim; Jacobsen, Karsten Wedel; Stoltze, Per

    1995-01-01

    We present a kinetic Monte Carlo simulation of the growth of Pt on Pt(111) capable of describing the experimentally observed temperature dependence of the island shapes and the growth mode. We show that the transition from a 2D growth mode at low temperatures to a 3D mode at higher temperatures i...

  14. Schema change without schema therapy: the role of early maladaptive schemata for a successful treatment of major depression.

    Science.gov (United States)

    Wegener, Ingo; Alfter, Susanne; Geiser, Franziska; Liedtke, Reinhard; Conrad, Rupert

    2013-01-01

    Early maladaptive schemata (EMS) have repeatedly been shown to be associated with several psychopathological conditions, including depression. Schema therapy proposes interventions that aim at altering EMS. In the present study, we examined the effect of an integrative psychodynamic inpatient therapy without explicit focus on EMS in a sample with major depression. Forty-seven (38 female, 9 male) patients filled out the Symptom Checklist (SCL-90-R) and the Young Schema Questionnaire (YSQ) at the beginning and end of the treatment. Results revealed that EMS were significantly reduced in three out of five schema domains. Strong endorsement of EMS at the beginning of treatment tended to predict symptom reduction. More importantly, the reduction of symptom distress during treatment was strongly associated with a reduction in EMS of the schema domain Impaired Autonomy/Performance. We discuss that changes in EMS are highly relevant for changes in symptom distress but that EMS can not only be changed by schema therapy but also by other approaches, like psychodynamic therapy.

  15. Density functional theory studies of the adsorption of ethylene and oxygen on Pt(111) and Pt3Sn(111)

    DEFF Research Database (Denmark)

    Watwe, R.M.; Cortright, R.D.; Mavrikakis, Manos

    2001-01-01

    of pi -bonded ethylene, di-sigma -bonded ethylene, and ethylidyne species are weaker on Pt3Sn(111) than on Pt(111) by 21, 31, and 50 kJ/mol, respectively. Hence, the electronic effect of Sn on the adsorption of ethylene depends on the type of adsorption site, with adsorption on three-fold site weakened...... more than adsorption on two-fold and one-fold sites. Oxygen atoms bond as strongly on Pt3Sn(111) as on Pt(111), and these atoms prefer to adsorb near Sn atoms on the surface. The addition of Sn to Pt(111) leads to a surface heterogeneity, wherein ethylidyne species prefer to adsorb away from Sn atoms...

  16. PtRu/Ti anodes with varying Pt ratio: Ru ratio prepared by electrodeposition for the direct methanol fuel cell.

    Science.gov (United States)

    Shao, Zhi-Gang; Zhu, Fuyun; Lin, Wen-Feng; Christensen, Paul A; Zhang, Huamin

    2006-06-21

    PtRu/Ti anodes with varying Pt ratio Ru ratio were prepared by electrodeposition of a thin PtRu catalyst layer onto Ti mesh for a direct methanol fuel cell (DMFC). The morphology and structure of the catalyst layers were analyzed by SEM, EDX and XRD. The catalyst coating layer shows an alloy character. The relative activities of the PtRu/Ti electrodes were assessed and compared in half cell and single DMFC experiments. The results show that these electrodes are very active for the methanol oxidation and that the optimum Ru surface coverage was ca. 9 at.% for DMFC operating at 20 degrees C and 11 at.% at 60 degrees C. The PtRu/Ti anode shows a performance comparable to that of the conventional carbon-based anode in a DMFC operating with 0.25 M or 0.5 M methanol solution and atmosphere oxygen gas at 90 degrees C.

  17. Synthesis of Ag or Pt Nanoparticles by Hydrolysis of Either Ag2Na or PtNa

    Directory of Open Access Journals (Sweden)

    Huabin Wang

    2008-01-01

    Full Text Available Ag and Pt nanoparticles have successfully been synthesized by hydrolysis of either Ag2Na or PtNa at room temperature. The oxidation of sodium in the Pt-Na pellets was much faster than that in the Ag-Na pellets since Pt is a catalyst for H2O formation reaction from hydrogen and oxygen at room temperature. The hydrolysis byproduct, NaOH, has a high solubility and easily is removed. This method offers a simple method of preparing transition metal nanoparticles. The Ag and Pt nanoparticles prepared by this method were crystalline in nature, and spherical in shape with a mean size of around 10 nm.

  18. Utilization of rehabilitation therapy services in Parkinson disease in the United States.

    Science.gov (United States)

    Fullard, Michelle E; Thibault, Dylan P; Hill, Andrew; Fox, Joellyn; Bhatti, Danish E; Burack, Michelle A; Dahodwala, Nabila; Haberfeld, Elizabeth; Kern, Drew S; Klepitskava, Olga S; Urrea-Mendoza, Enrique; Myers, Phillip; Nutt, Jay; Rafferty, Miriam R; Schwalb, Jason M; Shulman, Lisa M; Willis, Allison W

    2017-09-12

    To examine rehabilitation therapy utilization for Parkinson disease (PD). We identified 174,643 Medicare beneficiaries with a diagnosis of PD in 2007 and followed them through 2009. The main outcome measures were annual receipt of physical therapy (PT), occupational therapy (OT), or speech therapy (ST). Outpatient rehabilitation fee-for-service use was low. In 2007, only 14.2% of individuals with PD had claims for PT or OT, and 14.6% for ST. Asian Americans were the highest users of PT/OT (18.4%) and ST (18.4%), followed by Caucasians (PT/OT 14.4%, ST 14.8%). African Americans had the lowest utilization (PT/OT 7.8%, ST 8.2%). Using logistic regression models that accounted for repeated measures, we found that African American patients (adjusted odds ratio [AOR] 0.63 for PT/OT, AOR 0.63 for ST) and Hispanic patients (AOR 0.97 for PT/OT, AOR 0.91 for ST) were less likely to have received therapies compared to Caucasian patients. Patients with PD with at least one neurologist visit per year were 43% more likely to have a claim for PT evaluation as compared to patients without neurologist care (AOR 1.43, 1.30-1.48), and this relationship was similar for OT evaluation, PT/OT treatment, and ST. Geographically, Western states had the greatest use of rehabilitation therapies, but provider supply did not correlate with utilization. This claims-based analysis suggests that rehabilitation therapy utilization among older patients with PD in the United States is lower than reported for countries with comparable health care infrastructure. Neurologist care is associated with rehabilitation therapy use; provider supply is not. © 2017 American Academy of Neurology.

  19. Design criteria for stable Pt/C fuel cell catalysts

    Directory of Open Access Journals (Sweden)

    Josef C. Meier

    2014-01-01

    Full Text Available Platinum and Pt alloy nanoparticles supported on carbon are the state of the art electrocatalysts in proton exchange membrane fuel cells. To develop a better understanding on how material design can influence the degradation processes on the nanoscale, three specific Pt/C catalysts with different structural characteristics were investigated in depth: a conventional Pt/Vulcan catalyst with a particle size of 3–4 nm and two Pt@HGS catalysts with different particle size, 1–2 nm and 3–4 nm. Specifically, Pt@HGS corresponds to platinum nanoparticles incorporated and confined within the pore structure of the nanostructured carbon support, i.e., hollow graphitic spheres (HGS. All three materials are characterized by the same platinum loading, so that the differences in their performance can be correlated to the structural characteristics of each material. The comparison of the activity and stability behavior of the three catalysts, as obtained from thin film rotating disk electrode measurements and identical location electron microscopy, is also extended to commercial materials and used as a basis for a discussion of general fuel cell catalyst design principles. Namely, the effects of particle size, inter-particle distance, certain support characteristics and thermal treatment on the catalyst performance and in particular the catalyst stability are evaluated. Based on our results, a set of design criteria for more stable and active Pt/C and Pt-alloy/C materials is suggested.

  20. Controlled nanoporous Pt morphologies by varying deposition parameters

    Energy Technology Data Exchange (ETDEWEB)

    Misra, Amit [Los Alamos National Laboratory; Nastasi, Michael A [Los Alamos National Laboratory; Baldwin, J Kevin [Los Alamos National Laboratory; Goodwin, Peter M [Los Alamos National Laboratory; Bhattacharyya, Dhriti [Los Alamos National Laboratory; Antoniou, Antonia [GEROGIA INSTITUTE OF TECH

    2009-01-01

    Typically, dealloying of an alloy can result in an open cell nanoporous structure of the least electrochemically active element. Here, we show that a wider range of nanoporous structures is possible by controlling the composition and deposition parameters of the as-synthesized alloy as a way to provide sites for preferential etching. We demonstrate this by synthesizing nanoporous platinum (np-Pt) through electrochemical dealloying in aqueous HF from co-sputtered Pt{sub x}Si{sub 1-x} amorphous films. For increased Pt fraction of the amorphous alloy, silicon dissolution is favored along pre-existing features of the amorphous film (e.g. column boundaries or surface asperities). The resulting np-Pt depends on the manner in which silicon is preferentially removed. In addition to the expected isotropic open cell structure, columnar and Voronoi (radial) np-Pt are observed. A processing-structure map is developed to correlate np-Pt morphology to the initial composition and thickness of the amorphous Pt{sub x}Si{sub 1-x} film and the negative substrate bias used in magnetron sputtering.

  1. What Is the Optimum Strain for Pt Alloys for Oxygen Electroreduction?

    DEFF Research Database (Denmark)

    Escribano, Maria Escudero; Malacrida, Paolo; Velazquez-Palenzuela, Amado Andres

    2015-01-01

    In order to make low-temperature fuel cells commercially viable, it is crucial to develop oxygen reduction catalysts based on more active, stable and abundant materials. A fruitful strategy for enhancing the oxygen reduction reaction (ORR) activity is to alloy Pt with transition metals [1]. However...... the trends in activity and stability novel Pt-lanthanide (Pt-Ln) alloys as efficient ORR catalysts. Sputter-cleaned, polycrystalline Pt5Gd shows a 5-fold increase in ORR activity [3], relative to Pt. All the Pt-lanthanide alloys are at least 3 times more active than Pt for the ORR [3-5]. A compressed Pt...

  2. What is the evidence for physical therapy poststroke? A systematic review and meta-analysis

    NARCIS (Netherlands)

    Veerbeek, J.M.; Wegen, E. van; Peppen, R. van; Wees, P.J. van der; Hendriks, E.; Rietberg, M.; Kwakkel, G.

    2014-01-01

    BACKGROUND: Physical therapy (PT) is one of the key disciplines in interdisciplinary stroke rehabilitation. The aim of this systematic review was to provide an update of the evidence for stroke rehabilitation interventions in the domain of PT. METHODS AND FINDINGS: Randomized controlled trials

  3. Effectiveness of physical therapy interventions for children with cerebral palsy: a systematic review

    DEFF Research Database (Denmark)

    Anttila, Heidi; Autti-Rämö, Ilona; Suoranta, Jutta

    2008-01-01

    BACKGROUND: To assess the effectiveness of physical therapy (PT) interventions on functioning in children with cerebral palsy (CP). METHODS: A search was made in Medline, Cinahl, PEDro and the Cochrane library for the period 1990 to February 2007. Only randomized controlled trials (RCTs) on PT...

  4. Group Outpatient Physical and Behavioral Therapy for Chronic Low Back Pain.

    Science.gov (United States)

    Cohen, Michael J.; And Others

    1983-01-01

    Compared the effectiveness of behavioral (BT) or physical therapy (PT) for treating chronic low back pain (CLBP), for 13 BT patients and 12 PT patients. Treatments were conducted in a group outpatient setting. Posttreatment results showed general improvement for patients in both groups, but few treatment-specific differences in outcome measures.…

  5. STRATEGI PENGEMBANGAN KEMITRAAN TERNAK AYAM BROILER PT. XYZ

    Directory of Open Access Journals (Sweden)

    Latifa Hanum

    2011-11-01

    Full Text Available Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} The objectives of this research are to (1 analyze profit and BEP of plasma farmers (2 analyze internal and external strategic factors that influence development of broiler partnership in PT. XYZ, (3 formulate the alternative strategies of broiler partnership in PT. XYZ, (4 formulate selected priority strategy to develop broiler partnership in PT. XYZ. This research uses descriptive method based on case study on broiler partnership in PT. XYZ. Based on BEP analysis, BEP (production of plasma farmers is in the range 79,91%-86,58% from chick-in capacity, and BEP (price is in the range of Rp 11.684 – Rp 12.191 per chicken on market price. PT. XYZ partnership’s position in IE matric was second quadrant (grow and builds. The results of SWOT analysis are: a vertical integration strategy through feedmill, breeding and chicken slaughterhouse, b improving production capacity through capacity building of plasma farmers, c improvement in bio-security aspects of maintenance, and d improving the quality of technical staff and improving supervision. The priority strategy from QSPM analysis is improving production capacity through capacity building of plasma farmers. The strategy to improve production capacity can be done by maximize or add their capacity, and add the new plasma farmers.   Keywords: Broiler Partnership, Internal Environment, External Environment, Internal-external, Improvement Priority

  6. Proton therapy

    Science.gov (United States)

    Proton beam therapy; Cancer - proton therapy; Radiation therapy - proton therapy; Prostate cancer - proton therapy ... that use x-rays to destroy cancer cells, proton therapy uses a beam of special particles called ...

  7. Au(111) and Pt(111) surface phase behavior

    DEFF Research Database (Denmark)

    Sandy, A.R.; Mochrie, S.G.J.; Zehner, D.M.

    1993-01-01

    We describe our recent X-ray scattering studies of the structure and phases of the clean Au(111) and Pt(111) surfaces. Below 0.65 of their respective bulk melting temperatures, the Au(111) surface has a well-ordered chevron reconstruction and the Pt(111) surface is unreconstructed. Above...... these temperatures, both surfaces reconstruct to form layers that are isotropically compresses and have only short-range order. Throughout their reconstructed phases, the densities of the Au and Pt(111) surfaces increase with increasing temperature....

  8. Catalytically favorable surface patterns in Pt-Au nanoclusters

    KAUST Repository

    Mokkath, Junais Habeeb

    2013-01-01

    Motivated by recent experimental demonstrations of novel PtAu nanoparticles with highly enhanced catalytic properties, we present a systematic theoretical study that explores principal catalytic indicators as a function of the particle size and composition. We find that Pt electronic states in the vicinity of the Fermi level combined with a modified electron distribution in the nanoparticle due to Pt-to-Au charge transfer are the origin of the outstanding catalytic properties. From our model we deduce the catalytically favorable surface patterns that induce ensemble and ligand effects. © The Royal Society of Chemistry 2013.

  9. PT-symmetry and Non-Central Potentials

    Directory of Open Access Journals (Sweden)

    G. Lévai

    2007-01-01

    Full Text Available We present a general procedure by which solvable non-central potentials can be obtained in 2 and 3 dimensions by the separation of the angular and radial variables. The method is applied to generate solvable non-central PT-symmetric potentials in polar coordinates. General considerations are presented concerning the PT transformation properties of the eigenfunctions, their pseudo-norm and the nature of the energy eigenvalues. It is shown that within the present framework the spontaneous breakdown of PT symmetry can be implemented only in two dimensions. 

  10. Porcelain Product Quality Analysis in PT XYZ

    Directory of Open Access Journals (Sweden)

    Ho Hwi Chie

    2015-12-01

    Full Text Available PT. XYZ is a company engaged in manufacturing porcelain dinner ware such as plates, cups, teapot, bowl, etc Porcelain product is safe for use and product defect will only affect the aesthetic not the functional side. The company always maintain the quality of the products produced as by maintaining a good product, in terms of visuals, will keep customers interested in the product. Good quality products characterized by quality A / B and C, and the product defect characterized by the quality of D, Lost, and BU. Concepts and methods used to analyze is a statistical process control (SPC which includes Pareto diagram, fraction nonconformities, flow charts and fishbone diagrams and management tools (fault tree analysis. Statistical Process Control (SPC is one of the methods, which includes Pareto charts, fraction nonconformities, flow chart, and fishbone diagram and also management tools (fault tree analysis. SPC is useful to find the facts from the problems and factors that affect the quality of the products, while fault tree analysis is useful to analyze each of the production process.

  11. Aplikasi Pemasaran Berbasis Web Pt Xyz

    Directory of Open Access Journals (Sweden)

    Henny Hendarti

    2013-12-01

    Full Text Available Marketing plays an important role in determining the success of a company's sales. Marketing of goods or services over the Internet opens an opportunity for a company to expand the business into new markets, and compete with other businesses in the same field. It is because the internet offers wider selection of good products, service products, and prices. Thus, customers can be sure in choosing and buying of goods and services. For that e-marketing is introduced as an marketing strategy that integrates internet and marketing. A study was conducted to develop e-marketing application for PT XYZ as a company that produces and sells men’s apparel and accessories. The methodology used in developing the e-marketing application is library research, field research, and a seven-stage approach to build e-marketing. The e-marketing strategy developed is expected to expand market share and increase sales. Additionally, it is expected to be a powerful strategy to build relationships with customers, providing information of both company and its products.

  12. Oncological outcomes following radical prostatectomy for patients with pT4 prostate cancer

    Directory of Open Access Journals (Sweden)

    Dharam Kaushik

    Full Text Available ABSTRACT Objectives: Radical prostatectomy (RP for locally advanced prostate cancer may reduce the risk of metastasis and cancer-specific death. Herein, we evaluated the outcomes for patients with pT4 disease treated with RP. Materials and methods: Among 19,800 men treated with RP at Mayo Clinic from 1987 to 2010, 87 were found to have pT4 tumors. Biochemical recurrence (BCR-free survival, systemic progression (SP free survival and overall survival (OS were estimated using the Kaplan-Meier method and compared with the log-rank test. Cox proportional hazards regression models were used to assess the association of clinic-pathological features with outcome. Results: Median follow-up was 9.8 years (IQR 3.6, 13.4. Of the 87 patients, 50 (57.5% were diagnosed with BCR, 30 (34.5% developed SP, and 38 (43.7% died, with 11 (12.6% dying of prostate cancer. Adjuvant androgen deprivation therapy was administered to 77 men, while 32 received adjuvant external beam radiation therapy. Ten-year BCR-free survival, SP-free survival, and OS was 37%, 64%, and 70% respectively. On multivariate analysis, the presence of positive lymph nodes was marginally significantly associated with patients' risk of BCR (HR: 1.94; p=0.05, while both positive lymph nodes (HR 2.96; p=0.02 and high pathologic Gleason score (HR 1.95; p=0.03 were associated with SP. Conclusions: Patients with pT4 disease may experience long-term survival following RP, and as such, when technically feasible, surgical resection should be considered in the multimodal treatment approach to these men.

  13. Group therapy in public mental health services: approaches, patients and group therapists.

    Science.gov (United States)

    Lorentzen, S; Ruud, T

    2014-04-01

    Group therapy is used extensively within public mental health services, but more detailed knowledge is needed. All 25 health authorities in Norway were invited to describe their groups: theory, primary tasks, interventions, structure, patients and therapists. Four hundred twenty-six groups, 296 in community mental health centres and 130 in hospitals, were categorized into nine types, based on theoretical background. Psychodynamic groups were most frequent, followed by cognitive-behavioural, psycho-educative, social skills/coping and art/expressive groups. Weekly sessions of 90 min and treatment duration 12 months was most frequent. Main diagnosis for 2391 patients: depression (517), personality disorder (396), schizophrenia/psychosis (313) and social phobia (249). Patients with depression or personality disorder were mostly in psychodynamic groups, psychosis/bipolar disorder in psycho-educative groups. Cognitive-behavioural groups were used across several diagnoses. Most therapists were nurses, only 50% had a formal training in group therapy. There is a plethora of groups, some based on one theoretical school, while others integrate theory from several 'camps'. Patients with similar diagnosis were offered different group approaches, although some trends existed. More research evidence from regular clinical groups is needed, and clinician-researcher networks should be developed. More group therapists with formal training are needed. © 2013 John Wiley & Sons Ltd.

  14. Impact of a value-based insurance design for physical therapy to treat back pain on care utilization and cost.

    Science.gov (United States)

    Maeng, Daniel D; Graboski, Anthony; Allison, Peiling L; Fisher, Dorothy Y; Bulger, John B

    2017-01-01

    To assess the impact of a value-based insurance design providing enhanced access to physical therapy (PT) for treatment of back pain on treatment patterns and cost of care. A retrospective analysis of claims data obtained from Geisinger Health Plan (GHP). In April 2013, GHP began offering "PT bundle" - i.e., a bundle of up to five PT visits for a single one-time copay that can be renewed for another bundle of five PT visits - for its employer-based plan members with back pain. A cohort of GHP members who were preauthorized for the PT bundle were compared against a contemporaneous cohort of GHP members who were preauthorized for PT under the standard per-visit copay arrangement between January 2013 and October 2014. Among the PT bundle cohort, the PT visit rate during the first 9 months since the PT preauthorization date had dramatically increased and then gradually decreased in subsequent months. The PT bundle was also associated with 29%-35% short-term reductions in emergency department visits and with 12%-20% reductions in primary care visits after 6 months. No significant impact on hospitalization or cost was observed. Implementation of the PT bundle appears to have led to a change in the treatment pattern of back pain that is more consistent with the recommended guidelines to use more conservative management such as PT as the first-line treatment for back pain.

  15. Physical therapy in persons with osteoarthritis.

    Science.gov (United States)

    Brakke, Rachel; Singh, Jaspal; Sullivan, William

    2012-05-01

    Osteoarthritis (OA) is a leading cause of musculoskeletal pain and disability. According to a study by Lawrence et al, an estimated 27 million Americans were living with OA in 2008. This number will continue to increase as the population of persons older than 65 years grows. Because of the increasing number of persons who have this chronic condition that causes pain and decreases function, the prevalence of this diagnosis in primary care and musculoskeletal clinics likely will increase. The reduction of pain and improvement in function should be goals of providers who treat these patients. Physical therapy (PT) is a commonly used treatment modality for persons with OA. Many treatment modalities are available within the scope of PT, including strength training, manual therapy, aquatic therapy, electrical stimulation, and balance and perturbation training. A review of the most recent and highest-quality literature regarding these modalities found that strength training, aquatic therapy, and balance and perturbation therapy were the most beneficial with respect to reducing pain and improving function. Evidence clearly indicates that electrical stimulation likely has very little impact on these variables, and evidence regarding manual therapy is equivocal. Literature reviewing prognostic indicators for persons with OA who will likely respond to PT reveal that persons with milder disease (ie, unilateral OA, symptoms for less than 1 year, and a 40-m self-paced walking test of less than 25.9 seconds) and those who have pain of 6 or greater on the numerical pain rating scale are likely to have better outcomes with PT, which suggests that earlier referral is preferable. Barriers to the acceptance of PT as a therapeutic treatment for OA include fatalistic patient and provider perspectives, inadequate analgesia, and a fear among some patients and providers that increased activity will lead to progression of their OA. Copyright © 2012 American Academy of Physical Medicine and

  16. [Psychodynamik focal therapy of bulimia nervosa for female adolescents and young adults].

    Science.gov (United States)

    Reich, Günter; Horn, Hildegard; Winkelmann, Klaus; Kronmüller, Klaus-Thomas; Stefini, Anette

    2014-01-01

    A manual for a disorder oriented psychodynamic treatment of bulimia nevosa and atypical bulimia nervosa of female adolescents and young adults is presented. This manual is applied in a therapy project, which started in 2007. The work on conflicts and structural dysfunctions is meant to lead to the removal or alleviation of the symptoms and an improvement of eating behavior and body image. The bulimic symptoms are contextualized and focussed according to the conflicts and ego-structural deficits of the patients. Typical patterns of interpersonal relationships, transference, conflict, defence and structural problems as well as therapeutic steps are described. The typical psychosocial situation of female adolescence and young adult age is taken into account. Special emphasis is laid on the limitedness of the therapy to 60 sessions and the active structuring of the final phase of he therapy by the therapist.

  17. Shape resonances and EXAFS scattering in the $Pt L_{2,3}$ XANES from a Pt electrode

    CERN Document Server

    O'Grady, W E

    1999-01-01

    Atomic hydrogen and oxygen adsorption on a platinum electrode in H /sub 2/SO/sub 4/ and HClO/sub 4/ electrolytes were studied by Pt L /sub 23/ XANES. The Pt electrode was formed of highly dispersed 1.5-3.0 nm particles supported on $9 carbon. A difference procedure utilizing the L/sub 2/ and L/sub 3/ spectra at various applied voltages was used to isolate the electronic and geometric effects in the XANES spectra. At 0.54 V (relative to RHE) the Pt electrode in $9 HClO/sub 4/ is assumed to be "clean". By taking the difference between the spectra at 0.0 and 0.54 V, the Pt-H antibonding state (electronic effect) is isolated and found to have a Fano-resonance line shape. In addition, a $9 significant Pt-H EXAFS scattering (geometric effect) was found for photon energies 0 to 20 eV above the edge. The difference between the spectra at 1.14 and 0.54 V allows isolation of the Pt-O antibonding state and the Pt-O EXAFS $9 scattering. (7 refs).

  18. Synthesis, stability and electrocatalytic activity of polymer-stabilized monometallic Pt and bimetallic Pt/Cu core-shell nanoparticles

    Energy Technology Data Exchange (ETDEWEB)

    Muraviev, D.N. [Grup de Sensors i Biosensors (GSB), Unitat de Quimica Analitica, Departament de Quimica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Barcelona (Spain); Macanas, J. [Laboratoire de Genie Chimique, Universite Paul Sabatier, CNRS UMR 5503, 118 Route de Narbonne, 31062 Toulouse Cedex 4 (France); Ruiz, P. [Grup de Sensors i Biosensors (GSB), Unitat de Quimica Analitica, Departament de Quimica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Barcelona (Spain); Grup de Tecniques de Separacio (GTS), Unitat de Quimica Analitica, Departament de Quimica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Barcelona (Spain); Munoz, M. [Grup de Tecniques de Separacio (GTS), Unitat de Quimica Analitica, Departament de Quimica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Barcelona (Spain)

    2008-06-15

    In this paper we report the results obtained for inter-matrix synthesis (IMS) and characterization of monometallic and bimetallic polymer-stabilized metal nanoparticles (PSMNPs). The IMS procedure is based on the use of appropriately functionalized polymeric membranes as nanoreactors, which allows both synthesis and characterization of the composition and morphology of PSMNPs inside the membranes. The membranes were prepared by using noncrosslinked sulfonated poly(etherether ketone) (SPEEK) of desired degree of sulfonation, which provided insolubility of the polymer in water and solubility in some organic solvents (e.g. dimethylformamide). The IMS of PSMNPs involved loading of the membrane with metal ions or complexes followed by metal reduction inside the membrane resulting in the formation of either monometallic (Cu or Pt) or bimetallic (Pt/Cu) PSMNPs with core-shell structure. The electrocatalytic activity of the PSMNPs was estimated by measuring the electrochemical response of amperometric sensors prepared by using SPEEK-Pt-PSMNP and SPEEK-Pt/Cu-PSMNP nanocomposite membranes as sensing elements to detect H{sub 2}O{sub 2}. At the same values of Pt loading the response of Pt/Cu-PSMNP-based sensors appeared to be far higher than that of sensors modified with Pt-PSMNP membranes. (copyright 2008 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) (orig.)

  19. Magneto-optical recording media - CoNi/Pt and Co/Pt multilayers

    OpenAIRE

    Meng, Q

    1996-01-01

    Concluding Remarks 5.1. General Statement As described in Chapter 1, magneto-optical recording disks have been used in the audio (MiniDisc) and PC as removable disks with high data capacity. Recently, MO disks have been in the competition with the phase-change type of optical disks. Up to now, the materials used in MO disks have been and still are RE-TM amorphous alloy films although Co/Pt multilayer films have been developed and have reached the same level of recording performance as RE-TM m...

  20. Temperature-dependence of hydrogen oxidation reaction rates and CO-tolerance at carbon-supported Pt, Pt-Co, and Pt-Ru catalysts.

    Science.gov (United States)

    Uchida, Hiroyuki; Izumi, Kenji; Aoki, Koichi; Watanabe, Masahiro

    2009-03-21

    The temperature-dependence of the hydrogen oxidation reaction (HOR) rate was examined at commercial Pt, Pt3Co, PtRu, and PtRu(1.5) nano-sized catalysts (diameter, d = ca. 3 nm) supported on carbon black in 0.1 M HClO4 solution in the presence and absence of carbon monoxide by use of a channel flow electrode at temperatures from 30 to 90 degrees C. It was found that the values of the apparent rate constant k(app) (per real Pt active surface area) for the HOR at these supported catalysts agreed beautifully with those of the corresponding bulk electrodes in the whole temperature range. The dependence of the kinetically controlled current density (jk) on CO coverage at each supported catalyst was also identical to that of the bulk. Hence, no particle size effect was observed on the HOR activity and the CO tolerance, at least, was brought down to d = 3 nm.

  1. Transdiagnostic, Psychodynamic Web-Based Self-Help Intervention Following Inpatient Psychotherapy: Results of a Feasibility Study and Randomized Controlled Trial.

    Science.gov (United States)

    Zwerenz, Rüdiger; Becker, Jan; Johansson, Robert; Frederick, Ronald J; Andersson, Gerhard; Beutel, Manfred E

    2017-10-16

    Mental disorders have become a major health issue, and a substantial number of afflicted individuals do not get appropriate treatment. Web-based interventions are promising supplementary tools for improving health care for patients with mental disorders, as they can be delivered at low costs and used independently of time and location. Although psychodynamic treatments are used frequently in the face-to-face setting, there has been a paucity of studies on psychodynamic Web-based self-help interventions. The objective of this study was to determine the feasibility and preliminary efficacy of a transdiagnostic affect-focused psychodynamic Web-based self-help intervention designed to increase emotional competence of patients with mental disorders. A total of 82 psychotherapy inpatients with mixed diagnoses were randomized into two groups. Following discharge, the intervention group (IG) got access to a guided version of the intervention for 10 weeks. After a waiting period of 10 weeks, the wait-list control group (WLCG) got access to an unguided version of the intervention. We reported the assessments at the beginning (T0) and at the end of the intervention, resp. the waiting period (T1). The primary outcome was satisfaction with the treatment at T1. Secondary outcome measures included emotional competence, depression, anxiety, and quality of life. Statistical analyses were performed with descriptive statistics (primary outcome) and analysis of covariance; a repeated measurement analysis of variance was used for the secondary outcomes. Effect sizes were calculated using Cohen d and data were analyzed as per protocol, as well as intention-to-treat (ITT). Patients were chronically ill, diagnosed with multiple diagnoses, most frequently with depression (84%, 58/69), anxiety (68%, 47/69), personality disorder (38%, 26/69), and depersonalization-derealization disorder (22%, 15/69). A majority of the patients (86%, 36/42) logged into the program, of which 86% (31

  2. Dzyaloshinskii-Moriya interaction in Pt/Co/Pt films prepared by chemical vapor deposition with various substrate temperatures

    Directory of Open Access Journals (Sweden)

    M. Quinsat

    2017-05-01

    Full Text Available We deposited perpendicularly magnetized Co(∼1nm/Pt(6nm bilayers by thermal chemical vapor deposition (CVD on top of 3nm thick Pt layer using various deposition temperature. Observed Ms increased with the increase of deposition temperature Ts, and reached the value of pure-Co at Ts = 500°C. We measured a (left-handed negative Dzyaloshinskii-Moriya interaction in CVD films indicating a dominant role of the bottom Pt/Co interface.

  3. Optical solitons in periodically managed PT-symmetric media

    Science.gov (United States)

    Abdullaev, F. Kh.; Galimzyanov, R. M.

    2018-03-01

    The dynamics of light beams in the nonlinear optical media with periodically modulated in the longitudinal direction parity-time distribution of the complex refractive index is investigated. The possibility of dynamical stabilization of PT-symmetric solitons is demonstrated.

  4. Fuel cell electrodes: Electrochemical characterization and electrodeposition of Pt nanoparticles

    CSIR Research Space (South Africa)

    Modibedi, M

    2008-05-01

    Full Text Available Pump Pump Interface Card Relay Board/ Power Supply Compute r Precursor/ Rinse Solutions Distribution Valve Block Potentiostat Reference Electrode Substrate (deposit Pt-M nanolayers) Gasket Counter Electrode Deposition cell EC...

  5. Electronic Properties of Graphene–PtSe2 Contacts

    KAUST Repository

    Sattar, Shahid

    2017-04-26

    In this article, we study the electronic properties of graphene in contact with monolayer and bilayer PtSe2 using first-principles calculations. It turns out that there is no charge transfer between the components because of the weak van der Waals interaction. We calculate the work functions of monolayer and bilayer PtSe2 and analyze the band bending at the contact with graphene. The formation of an n-type Schottky contact with monolayer PtSe2 and a p-type Schottky contact with bilayer PtSe2 is demonstrated. The Schottky barrier height is very low in the bilayer case and can be reduced to zero by 0.8% biaxial tensile strain.

  6. Mixed-Metal Pt Monolayer Electrocatalysts with Improved CO Tolerance

    Energy Technology Data Exchange (ETDEWEB)

    Sasaki K.; Nilekar A.U.; Farberow C.A.; Adzic R.R.; Mavrikakis M.

    2011-11-23

    Using a combination of periodic, self-consistent, density functional theory (DFT) calculations and CO-stripping voltammetry experiments, we have designed a new class of Pt-M bimetallic monolayer catalysts supported on a non-Pt metal, which exhibit improved stability against CO poisoning and might be suitable for proton-exchange membrane fuel cell anodes. These surfaces help in reducing the overpotential associated with anodic CO oxidation and minimize the amount of Pt used, thereby reducing materials cost. DFT calculations predict highly repulsive interactions between adsorbed CO molecules on these surfaces, leading to weaker binding and lower coverage of CO than on pure Pt, which in turn facilitates oxidative removal of CO from these catalytic surfaces.

  7. Breaking of PT Symmetry in Bounded and Unbounded Scattering Systems

    Directory of Open Access Journals (Sweden)

    Philipp Ambichl

    2013-12-01

    Full Text Available PT-symmetric scattering systems with balanced gain and loss can undergo a symmetry-breaking transition in which the eigenvalues of the nonunitary scattering matrix change their phase shifts from real to complex values. We relate the PT-symmetry-breaking points of such an unbounded scattering system to those of the underlying bounded systems. In particular, we show how the PT thresholds in the scattering matrix of the unbounded system translate into analogous transitions in the Robin boundary conditions of the corresponding bounded systems. Based on this relation, we argue and then confirm that the PT transitions in the scattering matrix are, under very general conditions, entirely insensitive to a variable coupling strength between the bounded region and the unbounded asymptotic region, a result that can be tested experimentally and visualized using the concept of Smith charts.

  8. Breaking of PT Symmetry in Bounded and Unbounded Scattering Systems

    Science.gov (United States)

    Ambichl, Philipp; Makris, Konstantinos G.; Ge, Li; Chong, Yidong; Stone, A. Douglas; Rotter, Stefan

    2013-12-01

    PT-symmetric scattering systems with balanced gain and loss can undergo a symmetry-breaking transition in which the eigenvalues of the non-unitary scattering matrix change their phase shifts from real to complex values. We relate the PT-symmetry breaking points of such an unbounded scattering system to those of underlying bounded systems. In particular, we show how the PT-thresholds in the scattering matrix of the unbounded system translate into analogous transitions in the Robin boundary conditions of the corresponding bounded systems. Based on this relation, we argue and then confirm that the PT-transitions in the scattering matrix are, under very general conditions, entirely insensitive to a variable coupling strength between the bounded region and the unbounded asymptotic region, a result that can be tested experimentally and visualized using the concept of Smith charts.

  9. Phase characterisation in spark plasma sintered TiPt alloy

    CSIR Research Space (South Africa)

    Chikosha, S

    2011-12-01

    Full Text Available The conclusions drawn from this presentation are that Spark Plasma Sintering (SPS) of equiatomic BE TiPt powder produces fully sintered specimens, with incomplete homogenisation. There is a need for improved furnace atmosphere control so...

  10. EFEITO CATALÍTICO DE ELETRODOS DE Pt/C , PtIr/C, PtW/C E PtRe/C SOBRE REAÇÃO DE OXIDAÇÃO DE ETANOL E GLICEROL.

    OpenAIRE

    FERNANDA DE ALMEIDA NUNES

    2012-01-01

    Neste trabalho, nanocatalisadores de Pt/C, PtRe/C, PtIr/C e PtW/C suportados em carbono foram preparados pelo método de redução por álcool e caracterizados usando as técnicas de Microscopia eletrônica de transmissão (MET), Difração de raios-X (DRX), Energia Dispersiva de raios-X (EDX) e Espectroscopia fotoeletrônica de raios X (XPS). O comportamento eletroquímico dos nanocatalisadores frente às reações de oxidação de etanol e glicerol foi avaliado por voltametria cíclica (VC) e cronoamperomet...

  11. Alignment processes and shape variations in sup 184 Pt

    Energy Technology Data Exchange (ETDEWEB)

    Carpenter, M.P.; Bingham, C.R.; Courtney, L.H.; Janzen, V.P.; Larabee, A.J.; Liu, Z.M.; Riedinger, L.L.; Schmitz, W. (Tennessee Univ., Knoxville (USA). Dept. of Physics); Bengtsson, R.; Bengtsson, T.; Nazarewicz, W.; Zhang, J.Y. (Joint Inst. for Heavy Ion Research, Oak Ridge, TN (USA)); Johansson, J.K.; Popescu, D.G.; Waddington, J.C. (McMaster Univ., Hamilton, Ontario (Canada)); Baktash, C.; Halbert, M.L.; Johnson, N.R.; Lee, I.Y.; Schutz, Y.S. (Oak Ridge National Lab., TN (USA). Holifield Heavy Ion Research Facility); Nyberg, J.; Johnson, A.; Wyss, R. (Manne Siegbahn Inst. of Physics, Stockholm (Sweden) Royal Inst. of Tech., Stockholm (Sweden). Physics Dept. 1); Dubuc, J.; Kajrys, G.; Monaro, S.; Pilotte, S. (Montreal Univ., Quebec (Canada)); Honkanen, K.; Sarantites, D.G. (Washington Univ., St. Louis, MO (USA)); Haenni, D.R. (Texas A and M Univ., College Station (USA). Cyclotron Inst.)

    1990-06-25

    High-spin states in the transitional nucleus {sup 184}Pt were populated via the reactions {sup 154}Sm({sup 34}S, 4n){sup 184}Pt and {sup 172}Yb({sup 16}O, 4n){sup 184}Pt. The yrast band was extended up to I=28 {Dirac h} and six new side bands built on both neutron and proton quasiparticle configurations were observed. Shell correction-type calculations indicate variations of the nuclear shape in different bands, especially as a result of band crossings due to the process of angular momentum alignment. Comparison of the band characteristics are made between {sup 184}Pt and eight adjacent nuclei. The pattern of band crossings in these nine nuclei is considered from the viewpoint of blocking comparisons and of theoretical calculations. The competition between low-frequency {nu}i{sub 13/2} and {pi}h{sub 9/2} band crossings is discussed. (orig.).

  12. Diffractive production of high $p_{T}$ photons at HERA

    CERN Document Server

    Cox, B.E.

    2000-01-01

    We study the diffractive production of high pt photons at HERA. We have implemented the process as a new hard sub-process in the HERWIG event generator in order to prepare the ground for a future measurement.

  13. CLOUD COMPUTING ADOPTION STRATEGIES AT PT TASPEN INDONESIA, Tbk

    Directory of Open Access Journals (Sweden)

    Julirzal Sarmedy

    2014-10-01

    Full Text Available PT. Taspen as Indonesian institution, is responsible for managing social insuranceprograms of civil servants. With branch offices and business partners who are geographicallydispersed throughout Indonesia, information technology is very important to support thebusiness processes. Cloud computing is a model of information technology services that couldpotentially increase the effectiveness and efficiency of PT. Taspen information system. Thisstudy examines the phenomenon exists at PT. Taspen in order to adopt cloud computing inthe information system, by using the framework of Technology-Organization-Environment,Diffusion of Innovation theory, and Partial Least Square method. Organizational factor isthe most dominant for PT. Taspen to adopt cloud computing. Referring to these findings,then a SWOT analysis and TOWS matrix are performed, which in this study recommendsthe implementation of a strategy model of cloud computing services that are private andgradually in process.

  14. Synthesis and In Vitro Performance of Polypyrrole-Coated Iron-Platinum Nanoparticles for Photothermal Therapy and Photoacoustic Imaging

    Science.gov (United States)

    Phan, Thi Tuong Vy; Bui, Nhat Quang; Moorthy, Madhappan Santha; Lee, Kang Dae; Oh, Junghwan

    2017-10-01

    Multifunctional nano-platform for the combination of photo-based therapy and photoacoustic imaging (PAI) for cancer treatment has recently attracted much attention to nanotechnology development. In this study, we developed iron-platinum nanoparticles (FePt NPs) with the polypyrrole (PPy) coating as novel agents for combined photothermal therapy (PTT) and PAI. The obtained PPy-coated FePt NPs (FePt@PPy NPs) showed excellent biocompatibility, photothermal stability, and high near-infrared (NIR) absorbance for the combination of PTT and PAI. In vitro investigation experimentally demonstrated the effectiveness of FePt@PPy NPs in killing cancer cells with NIR laser irradiation. Moreover, the phantom test of PAI used in conjunction with FePt@PPy NPs showed a strong photoacoustic signal. Thus, the novel FePt@PPy NPs could be considered as promising multifunctional nanoparticles for further applications of photo-based diagnosis and treatment.

  15. Integrated Marketing Communications (IMC) Di PT Halo Rumah Bernyanyi

    OpenAIRE

    Rismayanti, Rebekka

    2016-01-01

    : This research aims to describe the effectiveness of Integrated Marketing Communication (IMC) in PT Halo Rumah Bernyanyi which, from the perspective of marketing strategy, could be studied by analyzing the segmentation, targeting, and positioning. Using case-study method with in-depth interview, the result shows that the implementation of IMC at PT Halo Rumah Bernyayi is arranged in one single strategy and tend to neglect the complexities of running multi-brand family karaoke-house. This con...

  16. Integrated Marketing Communications (IMC) di PT Halo Rumah Bernyanyi

    OpenAIRE

    Rebekka Rismayanti

    2017-01-01

    Abstract: This research aims to describe the effectiveness of Integrated Marketing Communication (IMC) in PT Halo Rumah Bernyanyi which, from the perspective of marketing strategy, could be studied by analyzing the segmentation, targeting, and positioning. Using case-study method with in-depth interview, the result shows that the implementation of IMC at PT Halo Rumah Bernyayi is arranged in one single strategy and tend to neglect the complexities of running multi-brand family karaoke-house. ...

  17. Chemically ordered face-centred tetragonal Fe–Pt nanoparticles ...

    Indian Academy of Sciences (India)

    2012-02-21

    Feb 21, 2012 ... Abstract. Chemically ordered face-centred tetragonal (fct) Fe–Pt alloy nanoparticles (NPs) embedded SiO2 films were synthesized on glass substrate by in situ hybrid sol–gel approach followed by heating at 450–900 ◦C in air and reducing (10% H2–90% Ar) atmospheres. Heat treatment of Fe/Pt co-doped ...

  18. Nanocrystalline Fe-Pt alloys. Phase transformations, structure and magnetism

    Energy Technology Data Exchange (ETDEWEB)

    Lyubina, J.V.

    2006-12-21

    This work has been devoted to the study of phase transformations involving chemical ordering and magnetic properties evolution in bulk Fe-Pt alloys composed of nanometersized grains. Nanocrystalline Fe{sub 100-x}Pt{sub x} (x=40-60) alloys have been prepared by mechanical ball milling of elemental Fe and Pt powders at liquid nitrogen temperature. The as-milled Fe-Pt alloys consist of {proportional_to} 100 {mu}m sized particles constituted by randomly oriented grains having an average size in the range of 10-40 nm. Depending on the milling time, three major microstructure types have been obtained: samples with a multilayer-type structure of Fe and Pt with a thickness of 20-300 nm and a very thin (several nanometers) A1 layer at their interfaces (2 h milled), an intermediate structure, consisting of finer lamellae of Fe and Pt (below approximately 100 nm) with the A1 layer thickness reaching several tens of nanometers (4 h milled) and alloys containing a homogeneous A1 phase (7 h milled). Subsequent heat treatment at elevated temperatures is required for the formation of the L1{sub 0} FePt phase. The ordering develops via so-called combined solid state reactions. It is accompanied by grain growth and thermally assisted removal of defects introduced by milling and proceeds rapidly at moderate temperatures by nucleation and growth of the ordered phases with a high degree of the long-range order. In a two-particle interaction model elaborated in the present work, the existence of hysteresis in recoil loops has been shown to arise from insufficient coupling between the low- and the high-anisotropy particles. The model reveals the main features of magnetisation reversal processes observed experimentally in exchange-coupled systems. Neutron diffraction has been used for the investigation of the magnetic structure of ordered and partially ordered nanocrystalline Fe-Pt alloys. (orig.)

  19. Kinerja PT Wotraco Bali Raya (Ditinjau dari Balanced Scorecard)

    OpenAIRE

    FRESSATRIA, FRESSATRIA; ANTARA, MADE; WIJAYANTI, PUTU UDAYANI

    2012-01-01

    Performance PT Wotraco Bali Raya (In terms of Balanced Scorecard) Balanced scorecard is a management system for companies to invest in the long termin order to achieve certain financial results that enable the development of a business organization rather than simply managing the bottom line to boost short-termresults. The purpose of this study was to determine the performance of PT Wotraco Bali Raya viewed from four perspectives of balanced scorecard namely financial perspective, customer pe...

  20. Exceptional Point Dynamics in Photonic Honeycomb Lattices with PT Symmetry

    OpenAIRE

    Ramezani, Hamidreza; Kottos, Tsampikos; Kovanis, Vassilios; Christodoulides, Demetrios N.

    2011-01-01

    We theoretically investigate the flow of electromagnetic waves in complex honeycomb photonic lattices with local PT symmetries. Such PT structure is introduced via a judicious arrangement of gain or loss across the honeycomb lattice, characterized by a gain/loss parameter \\gamma. We found a new class of conical diffraction phenomena where the formed cone is brighter and travels along the lattice with a transverse speed proportional to Sqrt (\\gamma).

  1. Unidirectional Invisibility induced by PT-Symmetric Periodic Structures

    OpenAIRE

    Lin, Zin; Ramezani, Hamidreza; Eichelkraut, Toni; Kottos, Tsampikos; Cao, Hui; Christodoulides, Demetrios N.

    2011-01-01

    We show that parity-time (PT) symmetric Bragg periodic structures, near the spontaneous PT - symmetry breaking point, can act as unidirectional invisible media. In this regime, the re flection from one end is diminished while it is enhanced from the other. At the same time the transmission coefficient and phase, are indistinguishable from those expected in the absence of a grating. The phenomenon is robust even in the presence of Kerr non-linearities, and it can also effectively suppress opti...

  2. Pengaruh Customer Perceived Value Terhadap Customer Satisfaction PT. Xyz

    OpenAIRE

    Sucahyo, Martinus Wilman

    2017-01-01

    Penelitian ini membahas tentang Customer Perceived Value terhadap Customer Satisfaction PT. XYZ. Dalam penelitian ini, Customer Perceived Value diukur melalui dimensi Core Product Value, Service Value dan Relationship Value. Masing-masing dimensi ini akan diuji pengaruhnya terhadap Customer Satisfaction, baik secara simultan maupun secara parsial, serta dimensi mana yang paling berpengaruh terhadap Customer Satisfaction. Sampel penelitian berjumlah 100 pelanggan PT. XYZ. Data penelitian diola...

  3. Highly sensitive NIR PtSi/Si-nanostructure detectors

    Science.gov (United States)

    Li, Hua-gao; Guo, Pei; Yuan, An-bo; Long, Fei; Li, Rui-zhi; Li, Ping; Li, Yi

    2016-10-01

    We report a high external quantum efficiency (EQE) photodiode detector with PtSi/Si-nanostructures. Black silicon nanostructures were fabricated by metal-assist chemical etching (MCE), a 2 nm Pt layer was subsequently deposited on black silicon surface by DC magnetron sputtering system, and PtSi/Si-nanostructures were formed in vacuum annealing at 450 oC for 5 min. As the PtSi/Si-nanostructures presented a spiky shape, the absorption of incident light was remarkably enhanced for the repeat reflection and absorption. The breakdown voltage, dark current, threshold voltage and responsivity of the device were investigated to evaluate the performance of the PtSi/Si-nanostructures detector. The threshold voltage and dark currents of the PtSi/Si-nanostructure photodiode tends to be slightly higher than those of the standard diodes. The breakdown voltage remarkably was reduced because of existing avalanche breakdown in PtSi/Si-nanostructures. However, the photodiodes had high response at room temperature in near infrared region. At -5 V reverse bias voltage, the responsivity was 0.72 A/W in 1064 nm wavelength, and the EQE was 83.9%. By increasing the reverse bias voltage, the responsivity increased. At -60 V reverse bias voltage, the responsivity was 3.5 A/W, and the EQE was 407.5%, which means the quantum efficiency of PtSi/Si-nanostructure photodiodes was about 10 times higher than that of a standard diode. Future research includes how to apply this technology to enhance the NIR sensitivity of image sensors, such as Charge Coupled Devices (CCD).

  4. Surface Structure and Relaxation at the Pt(110)/Electrolyte Interface

    Science.gov (United States)

    Lucas, C. A.; Marković, N. M.; Ross, P. N.

    1996-12-01

    In situ x-ray scattering studies of the Pt(110) electrode show that a stable 1×2 reconstruction is present over a wide electrode potential range and that the topmost rows of Pt atoms are expanded into the electrolyte. Additional expansion occurs upon the potential-induced adsorption of hydroxyl or hydrogen atoms. The presence and stability of the 1×2 reconstruction have an important influence on some of the surface reactions that can occur in electrolyte.

  5. Bulk ordering and surface segregation in Ni50Pt50

    DEFF Research Database (Denmark)

    Pourovskii, L.P.; Ruban, Andrei; Abrikosov, I.A.

    2001-01-01

    in the bulk compare well with experimental data. The surface-alloy compositions for the (111) and (110) facets above the ordering transition temperature are also found to be in a good agreement with experiments. It is demonstrated that the segregation profile at the (110) surface of NiPt is mainly caused...... by the unusually strong segregation of Pt into the second layer and the interlayer ordering due to large chemical nearest-neighbor interactions....

  6. Investigating magnetic proximity effects at ferrite/Pt interfaces

    Science.gov (United States)

    Collet, M.; Mattana, R.; Moussy, J.-B.; Ollefs, K.; Collin, S.; Deranlot, C.; Anane, A.; Cros, V.; Petroff, F.; Wilhelm, F.; Rogalev, A.

    2017-11-01

    Spintronic devices based on pure spin currents have drawn a lot of attention during the last few years for low energy device design. One approach to generate pure spin currents is to combine a metallic or insulating ferromagnetic layer with a non-magnetic metallic layer with a large spin-orbit coupling. A recent controversy has arisen in the possible role of magnetic proximity effects at ferromagnetic/non-magnetic interfaces, which can hamper the understanding of pure spin current generation mechanisms. While magnetic proximity effects have been frequently observed at ferromagnetic metal/non-magnetic interfaces, there are only a few studies on ferromagnetic insulator/non-magnetic interfaces. Regarding the use of ferromagnetic insulators, the focus has been mainly on yttrium iron garnet (YIG). However, investigation of induced magnetic moments at YIG/Pt interfaces has engendered contradictory results. Here, we propose to study insulating ferrites for which electronic and magnetic properties can be modulated. Magnetic proximity effects have been investigated at MnFe2O4/Pt, CoFe2O4/Pt, and NiFe2O4/Pt interfaces by X-ray circular magnetic dichroism (XMCD) measurements at the Pt L3 edge. Although hybridization with Pt seems to be different among the ferrites, we do not detect any XMCD signal as the signature of an induced magnetism in Pt. We have then studied the Fe3O4 ferrite below and above the Verwey transition temperature. No XMCD signal has been measured in the insulating or conducting phase of Fe3O4. This suggests that the absence of magnetic proximity effects at ferrite/Pt interfaces is not linked to the insulating character or not of the ferrites.

  7. Rancang Bangun Sales Force Automation Berbasis Android Di PT. X

    OpenAIRE

    Fanrensen, Glenda Sogo; Mrs. Yulia; Wibowo, Adi

    2014-01-01

    The existing system of PT. X used to insert sales data manually. While in field, Sales Force noted of the order from dealer/customer manually, then later insert it into company's database. The repetitive data copying causes bigger risk of mistyping and unreliability, because Sales Force travels for weeks. Other problem is that too many paper wasted on Sales Order and Invoice. Furthermore, PT. X needs comprehensive document support for Sales Force to fulfill customer's need of information. In ...

  8. Thermal memory effects at the Pt vertical bar YSZ interface

    DEFF Research Database (Denmark)

    Jacobsen, Torben; Bay, Lasse

    2002-01-01

    A current induced activation mechanism in the oxygen reaction on the Pt \\ YSZ interface at 1000 degreesC is demonstrated by impedance measurements. It is shown that Pt point electrodes conditioned at high temperature retain their initial reactivity when cooled to 600 degreesC. At this temperature......, the relative rate of the activation/deactivation mechanism is reduced considerably and the electrode stability is sufficient for kinetic studies....

  9. Particle therapy for mucosal melanoma of the head and neck. A single-institution retrospective comparison of proton and carbon ion therapy

    Energy Technology Data Exchange (ETDEWEB)

    Demizu, Y.; Fujii, O.; Terashima, K.; Mima, M.; Hashimoto, N.; Fuwa, N. [Hyogo Ion Beam Medical Center, Department of Radiology, Tatsuno, Hyogo (Japan); Niwa, Y. [Hyogo College of Medicine, Department of Radiology, Nishinomiya, Hyogo (Japan); Akagi, T. [Hyogo Ion Beam Medical Center, Department of Radiation Physics, Tatsuno, Hyogo (Japan); Daimon, T. [Hyogo College of Medicine, Department of Biostatistics, Nishinomiya, Hyogo (Japan); Murakami, M. [Dokkyo Medical University, Center for Radiation Oncology, Shimotsuga-gun, Tochigi (Japan)

    2014-02-15

    To retrospectively analyze treatment outcomes after particle therapy using protons or carbon ions for mucosal melanoma of the head and neck (HNMM) at the Hyogo Ion Beam Medical Center, as well as to compare proton therapy (PT) and carbon ion therapy (CIT). Data from 62 HNMM patients without metastasis, treated with PT or CIT between October 2003 and April 2011 were analyzed. Median patient age was 70.5 years (range 33-89 years). Of the total patients, 33 (53 %) had received PT and 29 (47 %) had undergone CIT. Protocols for 65 or 70.2 GyE in 26 fractions were used for both ion types. Median follow-up was 18.0 months (range 5.2-82.7 months). The 1-/2-year overall survival (OS) and local control (LC) rates were 93 %/61 % and 93 %/78 % for all patients, 91 %/44 % and 92 %/71 % for the PT patients and 96 %/62 % and 95 %/59 % for the CIT patients, respectively. No significant differences were observed between PT and CIT. Local recurrence was observed in 8 patients (PT: 5, CIT: 3) and 29 (PT: 18, CIT: 11) experienced distant metastases. Acute reactions were acceptable and all patients completed the planned radiotherapy. Regarding late toxicity, grade 3 or greater events were observed in 5 patients (PT: 3, CIT: 2), but no significant difference was observed between PT and CIT. Our single-institution retrospective analysis demonstrated that particle therapy for HNMM achieved good LC, but OS was unsatisfactory. There were no significant differences between PT and CIT in terms of either efficacy or toxicity. (orig.)

  10. Pengelolaan Media Sosial Oleh Unit Corporate Communication PT GMF Aeroasia

    Directory of Open Access Journals (Sweden)

    Fajar Syuderajat

    2017-10-01

    Full Text Available Studi ini berjudul:  Pengelolaan  Media  Sosial  oleh  Unit Corporate Communication PT GMF AeroAsia. Seiring dengan meningkatknya jumlah pengguna social media telah melahirkan media baru bagi bidang komunikasi khususnya dunia public relations. Kesempatan ini kemudian dimanfaatkan oleh PT GMF AeroAsia untuk memanfaatkan media sosial yang dijadikan sebagai media komunikasi dengan memberikan  informasi  seputar  dunia  aviasi  dan  bidang  MRO  (maintenance, repair,  organization  PT  GMF AeroAsia.   Tujuan studi ini, untuk mengetahui pengelolaan media sosial yang digunakan PT GMF AeroAsia sebagai strategi komunikasi brand awareness dengan konsep  teori yang digunakan dalam penelitian ini adalah New Media Theory yang berhubungan dengan media sosial. Metode pendekatan penulisan kualitatif dan bersifat deskriptif. Hasil dari studi ini mengatakan bahwa pengelolaan media sosial PT GMF AeroAsia oleh Corporate Communication memilih facebook, instagram, youtube, dan linkedin. Penanganan langsung dilakukan oleh tim digital aktivasi dengan konten-konten yang terlebih dahulu disetujui oleh kepala divisi Corporate Communication.   Kesimpulan, PT GMF AeroAsia menggunakan facebook, instagram, youtube, dan linkedin sesuai dengan segmentasi perusahaan yang lebih menekankan B-to-B. Meskipun banyak sekali follower pada media sosial tersebut namun untuk respon atau feedback kurang mendapatkan perhatian, sehingga terkesan lambat dalam menanggapi. Kata kunci: corporate communication;  media sosial; PT GMF AeroAsia.

  11. Optical fluxes in coupled PT -symmetric photonic structures

    Science.gov (United States)

    Ge, Li; Makris, Konstantinos G.; Zhang, Lingxuan

    2017-08-01

    In this work we first examine transverse and longitudinal fluxes in a PT -symmetric photonic dimer using a coupled-mode theory. Several surprising understandings are obtained from this perspective: The longitudinal flux shows that the PT transition in a dimer can be regarded as a classical effect, despite its analogy to PT -symmetric quantum mechanics. The longitudinal flux also indicates that the so-called giant amplification in the PT -symmetric phase is a subexponential behavior and does not outperform a single gain waveguide. The transverse flux, on the other hand, reveals that the apparent power oscillations between the gain and loss waveguides in the PT -symmetric phase can be deceiving in certain cases, where the transverse power transfer is in fact unidirectional. We also show that this power transfer cannot be arbitrarily fast even when the exceptional point is approached. Finally, we go beyond the coupled-mode theory by using the paraxial wave equation and also extend our discussions to a PT diamond and a one-dimensional periodic lattice.

  12. Oxygen reduction on carbon supported Pt-W electrocatalysts

    Energy Technology Data Exchange (ETDEWEB)

    Meza, D.; Morales, U.; Salgado, L. [Departamento de Quimica, Area de Electroquimica, Universidad Autonoma Metropolitana, Unidad Iztapalapa, San Rafael Atlixco 186, Col. Vicentina, 09340 Distrito Federal (Mexico); Roquero, P. [Unidad de Investigacion en Catalisis, Facultad de Quimica, UNAM, Ciudad Universitaria, 04510 Distrito Federal (Mexico)

    2010-11-15

    The catalytic activity of Pt-W electrocatalysts towards oxygen reduction reaction (ORR) was studied. Pt-W/C materials were prepared by thermolysis of tungsten and platinum carbonyl complexes in 1-2 dichloro-benzene during 48 h. The precursors were mixed to obtain relations of Pt:W: 50:50 and 80:20%w, respectively. The Pt carbonyl complex was previously synthesized by bubbling CO in a chloroplatinic acid solution. The synthesized materials were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), cyclic voltammetry (CV) and a rotating disk electrode (RDE). The results show that both materials (Pt{sub 50}W{sub 50}/C and Pt{sub 80}W{sub 20}/C) have a crystalline phase associated with metallic platinum and an amorphous phase related with tungsten and carbon. The particle size of the electrocatalysts depends on the relationship between platinum and tungsten. Finally, both materials exhibit catalytic activity for oxygen reduction. (author)

  13. Exotic high activity surface patterns in PtAu nanoclusters

    KAUST Repository

    Mokkath, Junais Habeeb

    2013-05-09

    The structure and chemical ordering of PtAu nanoclusters of 79, 135, and 201 atoms are studied via a combination of a basin hopping atom-exchange technique (to locate the lowest energy homotops at fixed composition), a symmetry orbit technique (to find the high symmetry isomers), and density functional theory local reoptimization (for determining the most stable homotop). The interatomic interactions between Pt and Au are derived from the empirical Gupta potential. The lowest energy structures show a marked tendency toward PtcoreAushell chemical ordering by enrichment of the more cohesive Pt in the core region and of Au in the shell region. We observe a preferential segregation of Pt atoms to (111) facets and Au atoms to (100) facets of the truncated octahedron cluster motif. Exotic surface patterns are obtained particularly for Pt-rich compositions, where Pt atoms are being surrounded by Au atoms. These surface arrangements boost the catalytic activity by creating a large number of active sites. © 2013 American Chemical Society.

  14. PMN-PT/PVDF Nanocomposite for High Output Nanogenerator Applications

    Directory of Open Access Journals (Sweden)

    Chuan Li

    2016-04-01

    Full Text Available The 0.7Pb(Mg1/3Nb2/3O3-0.3PbTiO3(0.7PMN-0.3PT nanorods were obtained via hydrothermal method with high yield (over 78%. Then, new piezoelectric nanocomposites based on (1−xPb(Mg1/3Nb2/3O3-xPbTiO3 (PMN-PT nanorods were fabricated by dispersing the 0.7PMN-0.3PT nanorods into piezoelectric poly(vinylidene fluoride (PVDF polymer. The mechanical behaviors of the nanocomposites were investigated. The voltage and current generation of PMN-PT/PVDF nanocomposites were also measured. The results showed that the tensile strength, yield strength, and Young’s modulus of nanocomposites were enhanced as compared to that of the pure PVDF. The largest Young’s modulus of 1.71 GPa was found in the samples with 20 wt % nanorod content. The maximum output voltage of 10.3 V and output current of 46 nA were obtained in the samples with 20 wt % nanorod content, which was able to provide a 13-fold larger output voltage and a 4.5-fold larger output current than that of pure PVDF piezoelectric polymer. The current density of PMN-PT/PVDF nanocomposites is 20 nA/cm2. The PMN-PT/PVDF nanocomposites exhibited great potential for flexible self-powered sensing applications.

  15. A Randomized Trial of an Intensive Physical Therapy Program for Patients with Acute Respiratory Failure

    OpenAIRE

    Moss, Marc; Nordon-Craft, Amy; Malone, Dan; Van Pelt, David; Frankel, Stephen K.; Warner, Mary Laird; Kriekels, Wendy; McNulty, Monica; Fairclough, Diane L.; Schenkman, Margaret

    2016-01-01

    Rationale: Early physical therapy (PT) interventions may benefit patients with acute respiratory failure by preventing or attenuating neuromuscular weakness. However, the optimal dosage of these interventions is currently unknown.

  16. Magnetic Properties of Tetragonally Distorted Fe3Pt and the Hybrid Structure Fe3Pt/Fe

    Science.gov (United States)

    Sakuma, Akimasa

    1995-11-01

    To investigate the magnetic performance of a hybrid structure oftransition metals, we consider the Fe3Pt/Fe system and examine theeffects both of the tetragonal distortion of L12 type Fe3Pt andthe hybridization with bcc-Fe on the magnetic properties, usingLMTO-ASA method in the framework of LSD. The magnetic moment ofFe3Pthas a maximum stationary value of 8.85 µ B/ cell atc/a=1/\\sqrt{2}. The hypothetical struc-ture of Fe20Pt4 is supposed by combining Fe3Pt of c/a=1/\\sqrt{2} and bcc-Fe lattice. It is predicted that the magnetizationreaches 2.27 T with the magnetic anisotropy constant of 11×105 J/ m3. With using the coherent rotation model formagnetization reversal process, we get maximum energy product(BH) max=10.2 MJ/ m3.

  17. Selective CO oxidation in the presence of H 2 over Pt and Pt-Sn catalysts supported on niobia

    Science.gov (United States)

    Marques, Príscila; Ribeiro, Nielson F. P.; Schmal, Martin; Aranda, Donato A. G.; Souza, Mariana M. V. M.

    An essential requirement for the proton exchange membrane fuel cell (PEMFC) is to deliver clean H 2 to the anode electrode, the kinetics of which are greatly hindered by traces of CO present from the upstream hydrocarbon reforming and water-gas shift processes. The removal of CO from hydrogen-rich stream to a PEMFC tolerant level, by selective oxidation (SELOX) of CO, has been studied over 1%Pt/Al 2O 3, 1%Pt-1%Sn/Al 2O 3, 1%Pt/Nb 2O 5 and 1%Pt-1%Sn/Nb 2O 5 catalysts. The Nb 2O 5-supported catalysts presented higher activity in SELOX reaction at low temperatures, but with lower CO selectivity. The results were explained in terms of platinum modification by the presence of niobia (SMSI effect) and tin (bimetallic effect).

  18. The Effect of Methanol on the Photodeposition of Pt Nanoparticles on Tungsten Oxide

    NARCIS (Netherlands)

    Wenderich, Kasper; Han, Kai; Mul, Guido

    2017-01-01

    Formation of platinum nanoparticles on tungsten oxide by photodeposition from acidic [PtCl6]2- solutions in the absence or presence of methanol is studied in detail. Without methanol, [PtCl6]2--ions adsorbed on the WO3 surface are converted to highly dispersed PtO/Pt(OH)2 particles upon

  19. Physical Therapy for Fecal Incontinence in Children with Pelvic Floor Dyssynergia.

    Science.gov (United States)

    Muddasani, Swathi; Moe, Amanda; Semmelrock, Caitlin; Gilbert, Caroyl Luan; Enemuo, Valentine; Chiou, Eric Howard; Chumpitazi, Bruno Pedro

    2017-11-01

    To determine the efficacy of physical therapy (PT) for fecal incontinence in children with pelvic floor dyssynergia (PFD). Retrospective chart review of children with PFD completing >1 PT session for fecal incontinence at a quaternary children's hospital. The frequency of fecal incontinence (primary outcome), constipation-related medication use, number of bowel movements (in those with pelvic floor muscle (PFM) function were captured at baseline and at the final PT visit. Outcomes were categorized as excellent (complete continence), good (>50% decrease in fecal incontinence frequency), fair (not worsening but Pelvic floor PT is effective in the majority of children with fecal incontinence related to PFD. Factors associated with PT efficacy include improved PFM functioning, good compliance with PT, and history of tethered cord. Copyright © 2017 Elsevier Inc. All rights reserved.

  20. Preparation of Pt Au/C and Pt Au Bi/C electrocatalysts using electron beam irradiation for ethanol electro-oxidation in alkaline medium

    Energy Technology Data Exchange (ETDEWEB)

    Silva, Dionisio F.; Geraldes, Adriana N.; Cardoso, Elisangela S.Z.; Gomes, Thiago B.; Linardi, Marcelo; Oliveira Neto, Almir; Spinace, Estevam V., E-mail: dfsilva@ipen.b [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2011-07-01

    Pt Au/C (50:50) and PtAuBi/C electrocatalysts with Pt:Au:Bi atomic ratios of 50:40:10, 50:30:20 and 50:10:40 were prepared in water/2-propanol using electron beam irradiation. The materials were characterized by X-ray diffraction (XRD) and the electro-oxidation of ethanol was studied by chronoamperometry at room temperature. The X-ray diffraction measurements for all electrocatalysts prepared showed four peaks, which are associated with the planes of the face-centered cubic (fcc) structure characteristic of Pt and Pt alloys. For PtAuBi/C it was also observed the presence of a mixture of BiPt alloys and bismuth phases. The average crystallite sizes for Pt/C, PtAu/C, PtAuBi/C (50:40:10), PtAuBi/C (50:30:20) and PtAuBi/C (50:10:40) were in the range of 2.0 - 4.0 nm. The activity of the electrocatalysts for ethanol oxidation in alkaline medium showed that PtAuBi/C (50:40:10) had a higher performance for ethanol oxidation compared to others electrocatalysts prepared. (author)