WorldWideScience

Sample records for guest observer home

  1. Observing Privacy, Modesty and Hospitality in the Home Domain: Three Case Studies of Muslim Homes in Brisbane, Australia

    Directory of Open Access Journals (Sweden)

    Zulkeplee Othman

    2014-12-01

    Full Text Available A home embodies a sensorial space that is layered with personal memories and traces of history. The success of a home in providing a strong sense of place depends on various factors such as geographical location, climatic conditions, and occupants’ world-views and perceptions. This paper explores Muslims’ perceptions of privacy, modesty and hospitality within their homes through their lived experiences. This case study focuses on three Muslim families living in Australian designed homes within the same suburb of Brisbane, Australia. The study provides prefatory insight into the ways in which these families perform their daily activities and entertain their guests without jeopardizing their privacy needs. The study examines the significance of modesty in the design of Muslim homes as a means by which family members are able to achieve optimum privacy while simultaneously extending hospitality to guests inside and outside their homes. The findings of this study provide opportunities too, for expanding research into culturally adaptable housing systems to help meet the changing needs of Australian multicultural society.

  2. Becoming a guest in your own home: Home care in Sweden from the perspective of older people with multimorbidities.

    Science.gov (United States)

    Jarling, Aleksandra; Rydström, Ingela; Ernsth-Bravell, Marie; Nyström, Maria; Dalheim-Englund, Ann-Charlotte

    2018-03-30

    To describe the meaning of the phenomenon home care from the perspective of older persons who live alone with multimorbidity. In line with worldwide changing demographics, conditions for older people in need of home care are changing. In Sweden there is a stay-in-place policy and older people are expected to live and be cared for in their own home as long as possible. Home care, instituted by different laws, is a challenge affecting the older person when the private home becomes a workplace. This study uses a qualitative design with a lifeworld approach. The study having been conducted in Sweden in 2016, the researchers interviewed 12 older persons that live alone and receive home care. Data were analysed using qualitative content analysis. The findings illustrate four sub-themes: adapting to a caring culture, feeling exposed, unable to influence care and forced relations. The overall theme reveals that older people experience a life-changing situation when receiving home care and they become a guest in their own home. Becoming older with increased needs means to disrupt one's life when one's private home becomes a public arena. The gap between an older person's rights by law and the older person's experiences of receiving home care needs to be highlighted to meet the oncoming challenges in providing a home care that includes participation of the older themselves. Only then can care be offered that enables older people to have a sense of control and experience their home as their own. The findings emphasise the need to view older people as being self-determinant and independent. Older people receiving home care need to be seen as individuals, and their entire life situation should be considered by also acknowledging the important role played by relatives and caregivers. © 2018 John Wiley & Sons Ltd.

  3. Quantitative analysis of the guest-concentration dependence of the mobility in a disordered fluorene-arylamine host-guest system in the guest-to-guest regime

    NARCIS (Netherlands)

    Nicolai, H. T.; Hof, A.J.; Lu, M.; Blom, P. W. M.; de Vries, R. J.; Coehoorn, R.

    2011-01-01

    The charge transport in a polyspirobifluorene derivative with copolymerized N,N,N',N'-tetraaryldiamino biphenyl (TAD) hole transport units is investigated as a function of the TAD content. For TAD concentrations larger than 5%, guest-to-guest transport is observed. It is demonstrated that in this

  4. Quantitative analysis of the guest-concentration dependence of the mobility in a disordered fluorene-arylamine host-guest system in the guest-to-guest regime

    NARCIS (Netherlands)

    Nicolai, H.T.; Hof, A.J.; Lu, M.; Blom, P.W.M.; Vries, R.J. de; Coehoorn, R.

    2011-01-01

    The charge transport in a polyspirobifluorene derivative with copolymerized N,N,N',N'-tetraaryldiamino biphenyl (TAD) hole transport units is investigated as a function of the TAD content. For TAD concentrations larger than 5, guest-to-guest transport is observed. It is demonstrated that in this

  5. Nurses as 'guests'--a study of a concept in light of Jacques Derrida's philosophy of hospitality.

    Science.gov (United States)

    Oresland, Stina; Lutzén, Kim; Norberg, Astrid; Rasmussen, Birgit H; Määttä, Sylvia

    2013-04-01

    As revealed in previous empirical research, nurses describe their position in home-based nursing care (HBNC) as that of 'guests' in the patient's home. Such a description is problematic as 'guests' might not be considered to belong to the realm of professionalism. As Jacques Derrida's work on hospitality has received wide publicity, sparking theoretical and philosophical discussion about host and guest, the aim of this study was to explore how the concept 'guests' can be understood in the light of Derrida's philosophy of hospitality. The study revealed that (a) guest must be considered a binary concept; and (b) hospitality should be regarded as an exchange of giving and receiving between a host and a guest. The present study demonstrated that it is important to reflect on the meaning of the concepts used by nurses in HBNC. Further theoretical and empirical exploration of the concept 'hospitality' would be fruitful, i.e. what is patients' understanding of 'hospitality' and 'hostility' related to nurses' descriptions of themselves as 'guests' in the patient's home. © 2013 Blackwell Publishing Ltd.

  6. Guest Editorial: Functional neurosurgery | Enslin | South African ...

    African Journals Online (AJOL)

    South African Medical Journal. Journal Home · ABOUT · Advanced Search · Current Issue · Archives · Journal Home > Vol 106, No 8 (2016) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register. Guest Editorial: Functional neurosurgery. JMN Enslin. Abstract. No Abstract.

  7. Usability of Security Management:Defining the Permissions of Guests

    Science.gov (United States)

    Johnson, Matthew; Stajano, Frank

    Within the scenario of a Smart Home, we discuss the issues involved in allowing limited interaction with the environment for unidentified principals, or guests. The challenges include identifying and authenticating guests on one hand and delegating authorization to them on the other. While the technical mechanisms for doing so in generic distributed systems have been around for decades, existing solutions are in general not applicable to the smart home because they are too complex to manage. We focus on providing both security and usability; we therefore seek simple and easy to understand approaches that can be used by a normal computer-illiterate home owner, not just by a trained system administrator. This position paper describes ongoing research and does not claim to have all the answers.

  8. Guest Editorial: Chronic kidney disease | Meyers | South African ...

    African Journals Online (AJOL)

    South African Medical Journal. Journal Home · ABOUT · Advanced Search · Current Issue · Archives · Journal Home > Vol 105, No 3 (2015) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register. Guest Editorial: Chronic kidney disease. AM Meyers. Abstract. No abstract.

  9. Guest Editorial: Chronic kidney disease | Motsoaledi | South African ...

    African Journals Online (AJOL)

    South African Medical Journal. Journal Home · ABOUT · Advanced Search · Current Issue · Archives · Journal Home > Vol 105, No 4 (2015) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register. Guest Editorial: Chronic kidney disease. A Motsoaledi. Abstract. No abstract ...

  10. Guest Editorial | Frade | Journal of Student Affairs in Africa

    African Journals Online (AJOL)

    Journal of Student Affairs in Africa. Journal Home · ABOUT THIS JOURNAL · Advanced Search · Current Issue · Archives · Journal Home > Vol 5, No 2 (2017) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register. Guest Editorial. Nelia Frade. Abstract. Tutoring and ...

  11. Forward by Guest Editors | Potgieter | African Journal on Conflict ...

    African Journals Online (AJOL)

    African Journal on Conflict Resolution. Journal Home · ABOUT THIS JOURNAL · Advanced Search · Current Issue · Archives · Journal Home > Vol 15, No 3 (2015) >. Log in or Register to get access to full text downloads. Username, Password, Remember me, or Register. Forward by Guest Editors. Cheryl Potgieter, Paulus ...

  12. Reversible Guest Exchange Mechanisms in Supramolecular Host-GuestAssemblies

    Energy Technology Data Exchange (ETDEWEB)

    Pluth, Michael D.; Raymond, Kenneth N.

    2006-09-01

    Synthetic chemists have provided a wide array of supramolecular assemblies able to encapsulate guest molecules. The scope of this tutorial review focuses on supramolecular host molecules capable of reversibly encapsulating polyatomic guests. Much work has been done to determine the mechanism of guest encapsulation and guest release. This review covers common methods of monitoring and characterizing guest exchange such as NMR, UV-VIS, mass spectroscopy, electrochemistry, and calorimetry and also presents representative examples of guest exchange mechanisms. The guest exchange mechanisms of hemicarcerands, cucurbiturils, hydrogen-bonded assemblies, and metal-ligand assemblies are discussed. Special attention is given to systems which exhibit constrictive binding, a motif common in supramolecular guest exchange systems.

  13. Nursing homes as the perspective and reality of guest workers in old age

    Directory of Open Access Journals (Sweden)

    Ljubica Milosavljević

    2016-02-01

    Full Text Available The aim of this paper is to present the results of research conducted as part of the “Ambivalent nostalgia in the cultural heritage of gastarbeiters” project of the Ethnological-anthropological society of Serbia. The research was conducted in Kučevo and Wienna in 2014. The research focused on older guest workers or gastarbeiters who are mostly in the status of disabled pensioners, and seniors whose family members work abroad. An important criterion for determining the gasterbeiter population was entering into the sphere of work in an active capacity, specified by the assumed “temporality” in the country of work; the determination of “seniority” is based on the criteria of exiting the active sphere of work. In this way a new kind of old person, a new kind of pensioner was formed – the foreign currency pensioner whose operating strategies are partly in the focus of this paper. Aside from these strategies, the paper analyzes the strategies employed by the family members of gastarbeiters facing the old age of their relatives who reside in their country of origin either permanently or on a semi-permanent basis; as well as the strategies which the Gerontological Society of Serbia tried to develop in cooperation with the former Ministry of Diaspora RS with the aim of attracting aging gastarbeiters to domestic nursing homes, as well as stimulating the diaspora to invest in such institutions in Serbia. In short, the life experiences and attitudes of 14 pensioners interviewed in Kučevo and Vienna on issues of old age, possible – or ongoing life in a nursing home, the differences and/or similarities between them and other old folks they encountered abroad or at home, as well as experiences with working with the aging gastarbeiter population shared by six employees in a private as well as a public nursing home in Kučevo, will be the object of analysis in this paper.

  14. A Pyrene- and Phosphonate-Containing Fluorescent Probe as Guest Molecule in a Host Polymer Matrix

    Directory of Open Access Journals (Sweden)

    Jacqueline Marchand-Brynaert

    2013-02-01

    Full Text Available New host-guest materials have been prepared by incorporation of a home-made organic probe displaying a pyrene motif and a phosphonate function into a regular amphiphilic copolymer. Using powder X-Ray diffraction, photoluminescence and FT-IR spectroscopy, we have been able to study the non-covalent interactions between the host matrix and the guest molecule in the solid state. Interestingly, we have shown that the matrix directs the guest spatial localization and alters its properties. Thanks to the comparison of pyrene vs. N-pyrenylmaleimide derivatives, the influence of the chemical nature of the guest molecules on the non-covalent interactions with the host have been studied. In addition, using polyethylene glycol as a reference host, we have been able to evidence a true matrix effect within our new insertion materials. The phosphonated guest molecule appears to be a novel probe targeting the hydrophilic domain of the host copolymer.

  15. Total Quality Management Implementation and Guest Satisfaction in Hospitality

    Directory of Open Access Journals (Sweden)

    Miroslav Knežević

    2017-02-01

    Full Text Available Total quality management (TQM has become a modern system of constant improvement of the quality of all company activities. The purpose of this study is to measure the expectations and satisfaction of the guests concerning the attribute quality of the hotel product. Furthermore obtained results were compared in such a way as to analyse particularly the reviews of hotels which have implemented TQM and have the ISO 9001 certificates with reviews from hotels which have not implemented TQM and do not have the ISO 9001 certificates. The conducted analysis included 55 hotels in Serbia belonging to the 4- and 5-star categories, i.e. 1308 guests who have stayed in them. The results show that between the observed groups of guests there are fewer differences in expectations than in perception, and that generally speaking guests who have stayed in the hotels that have implemented TQM are more satisfied. The biggest difference concerning the guest satisfaction with the quality of service in the observed hotels is noticeable in relation to the employees and the value-for-money.

  16. Observation of the energy transfer sequence in an organic host–guest system of a luminescent polymer and a phosphorescent molecule

    International Nuclear Information System (INIS)

    Basel, Tek; Sun, Dali; Gautam, Bhoj; Valy Vardeny, Z.

    2014-01-01

    We used steady state optical spectroscopies such as photoluminescence and photoinduced absorption (PA), and magnetic-field PA (MPA) for studying the energy transfer dynamics in films and organic light emitting diodes (OLED) based on host–guest blends with different guest concentrations of the fluorescent polymer poly-[2-methoxy, 5-(2′-ethyl-hexyloxy)phenylene vinylene] (MEHPPV-host), and phosphorescent molecule PtII-tetraphenyltetrabenzoporphyrin [Pt(tpbp); guest]. We show that the energy transfer process between the excited states of the host polymer and guest molecule takes a ‘ping-pong’ type sequence, because the lowest guest triplet exciton energy, E T (guest), lies higher than that of the host, E T (host). Upon photon excitation the photogenerated singlet excitons in the host polymer chains first undergo a Förster resonant energy transfer process to the guest singlet manifold, which subsequently reaches E T (guest) by intersystem crossing. Because E T (guest)>E T (host) there is a subsequent Dexter type energy transfer from E T (guest) to E T (host). This energy transfer sequence has profound influence on the photoluminescence and electroluminescence emission spectra in both films and OLED devices based on the MEHPPV-Pt(tpbp) system. - Highlights: • We studied electroluminescence of OLEDs based on host–guest blends. • The emission efficiency decreases with the guest concentration. • We found a dominant Dexter energy transfer from the triplet(guest) to triplet(host). • Energy transfer occurs from the host to guest and back to the host again

  17. Observation of the energy transfer sequence in an organic host–guest system of a luminescent polymer and a phosphorescent molecule

    Energy Technology Data Exchange (ETDEWEB)

    Basel, Tek; Sun, Dali; Gautam, Bhoj; Valy Vardeny, Z., E-mail: val@physics.utah.edu

    2014-11-15

    We used steady state optical spectroscopies such as photoluminescence and photoinduced absorption (PA), and magnetic-field PA (MPA) for studying the energy transfer dynamics in films and organic light emitting diodes (OLED) based on host–guest blends with different guest concentrations of the fluorescent polymer poly-[2-methoxy, 5-(2′-ethyl-hexyloxy)phenylene vinylene] (MEHPPV-host), and phosphorescent molecule PtII-tetraphenyltetrabenzoporphyrin [Pt(tpbp); guest]. We show that the energy transfer process between the excited states of the host polymer and guest molecule takes a ‘ping-pong’ type sequence, because the lowest guest triplet exciton energy, E{sub T}(guest), lies higher than that of the host, E{sub T}(host). Upon photon excitation the photogenerated singlet excitons in the host polymer chains first undergo a Förster resonant energy transfer process to the guest singlet manifold, which subsequently reaches E{sub T}(guest) by intersystem crossing. Because E{sub T}(guest)>E{sub T}(host) there is a subsequent Dexter type energy transfer from E{sub T}(guest) to E{sub T}(host). This energy transfer sequence has profound influence on the photoluminescence and electroluminescence emission spectra in both films and OLED devices based on the MEHPPV-Pt(tpbp) system. - Highlights: • We studied electroluminescence of OLEDs based on host–guest blends. • The emission efficiency decreases with the guest concentration. • We found a dominant Dexter energy transfer from the triplet(guest) to triplet(host). • Energy transfer occurs from the host to guest and back to the host again.

  18. Amides Do Not Always Work: Observation of Guest Binding in an Amide-Functionalized Porous Metal-Organic Framework.

    Science.gov (United States)

    Benson, Oguarabau; da Silva, Ivan; Argent, Stephen P; Cabot, Rafel; Savage, Mathew; Godfrey, Harry G W; Yan, Yong; Parker, Stewart F; Manuel, Pascal; Lennox, Matthew J; Mitra, Tamoghna; Easun, Timothy L; Lewis, William; Blake, Alexander J; Besley, Elena; Yang, Sihai; Schröder, Martin

    2016-11-16

    An amide-functionalized metal organic framework (MOF) material, MFM-136, shows a high CO 2 uptake of 12.6 mmol g -1 at 20 bar and 298 K. MFM-136 is the first example of an acylamide pyrimidyl isophthalate MOF without open metal sites and, thus, provides a unique platform to study guest binding, particularly the role of free amides. Neutron diffraction reveals that, surprisingly, there is no direct binding between the adsorbed CO 2 /CH 4 molecules and the pendant amide group in the pore. This observation has been confirmed unambiguously by inelastic neutron spectroscopy. This suggests that introduction of functional groups solely may not necessarily induce specific guest-host binding in porous materials, but it is a combination of pore size, geometry, and functional group that leads to enhanced gas adsorption properties.

  19. Capturing the guest experience in hotels phase one : theoretical background and development of the guest experience scan

    NARCIS (Netherlands)

    Marle, van R.S.F. (Rienk); Pijls, R. (Ruth); Schreiber, G.H. (Gerrit)

    2011-01-01

    The goal for the coming years is to get insight in the guest experience in hotels. What is guest experience? How to measure guest experience? What is the relation between guest experience and guest loyalty? And finally, what tangible elements in the physical environment of hotels and the contact

  20. Guest Controlled Nonmonotonic Deep Cavity Cavitand Assembly State Switching.

    Science.gov (United States)

    Tang, Du; Barnett, J Wesley; Gibb, Bruce C; Ashbaugh, Henry S

    2017-11-30

    Octa-acid (OA) and tetra-endo-methyl octa-acid (TEMOA) are water-soluble, deep-cavity cavitands with nanometer-sized nonpolar pockets that readily bind complementary guests, such as n-alkanes. Experimentally, OA exhibits a progression of 1:1 to 2:2 to 2:1 host/guest complexes (X:Y where X is the number of hosts and Y is the number of guests) with increasing alkane chain length from methane to tetradecane. Differing from OA only by the addition of four methyl groups ringing the portal of the pocket, TEMOA exhibits a nonmonotonic progression of assembly states from 1:1 to 2:2 to 1:1 to 2:1 with increasing guest length. Here we present a systematic molecular simulation study to parse the molecular and thermodynamic determinants that distinguish the succession of assembly stoichiometries observed for these similar hosts. Potentials of mean force between hosts and guests, determined via umbrella sampling, are used to characterize association free energies. These free energies are subsequently used in a reaction network model to predict the equilibrium distributions of assemblies. Our models accurately reproduce the experimentally observed trends, showing that TEMOA's endo-methyl units constrict the opening of the binding pocket, limiting the conformations available to bound guests and disrupting the balance between monomeric complexes and dimeric capsules. The success of our simulations demonstrate their utility at interpreting the impact of even simple chemical modifications on supramolecular assembly and highlight their potential to aid bottom-up design.

  1. 8 December 2011 - Kingdom of Lesotho Deputy Prime Minister and Minister of Home Affairs and Public Safety, and of Parliamentary Affairs A. Lesao Lehohla signing the guest book with Adviser R. Voss and in the ATLAS visitor centre.

    CERN Multimedia

    VMO Team

    2011-01-01

    8 December 2011 - Kingdom of Lesotho Deputy Prime Minister and Minister of Home Affairs and Public Safety, and of Parliamentary Affairs A. Lesao Lehohla signing the guest book with Adviser R. Voss and in the ATLAS visitor centre.

  2. Paramagnetic NMR investigation of dendrimer-based host-guest interactions.

    Directory of Open Access Journals (Sweden)

    Fei Wang

    Full Text Available In this study, the host-guest behavior of poly(amidoamine (PAMAM dendrimers bearing amine, hydroxyl, or carboxylate surface functionalities were investigated by paramagnetic NMR studies. 2,2,6,6-Tetramethylpiperidinyloxy (TEMPO derivatives were used as paramagnetic guest molecules. The results showed that TEMPO-COOH significantly broaden the ¹H NMR peaks of amine- and hydroxyl-terminated PAMAM dendrimers. In comparison, no paramagnetic relaxation enhancement (PRE was observed between TEMPO-NH₂, TEMPO-OH and the three types of PAMAM dendrimers. The PRE phenomenon observed is correlated with the encapsulation of TEMPO-COOH within dendrimer pockets. Protonation of the tertiary amine groups within PAMAM dendrimers plays an important role during this process. Interestingly, the absence of TEMPO-COOH encapsulation within carboxylate-terminated PAMAM dendrimer is observed due to the repulsion of TEMPO-COO- anion and anionic dendrimer surface. The combination of paramagnetic probes and ¹H NMR linewidth analysis can be used as a powerful tool in the analysis of dendrimer-based host-guest systems.

  3. Edit What do guests value most in Airbnb accommodations? An application of the hedonic pricing approach

    OpenAIRE

    Tarik Dogru; Osman Pekin

    2017-01-01

    Private rooms, entire homes, laundry, free parking, kitchens - these are just some of the amenities that Airbnb guests are looking for in accommodations. Using data from the Greater Boston Area, Dr. Dogru and Osman Pekin uncover how these amenities affect Airbnb nightly rates.

  4. Edit What do guests value most in Airbnb accommodations? An application of the hedonic pricing approach

    Directory of Open Access Journals (Sweden)

    Tarik Dogru

    2017-06-01

    Full Text Available Private rooms, entire homes, laundry, free parking, kitchens - these are just some of the amenities that Airbnb guests are looking for in accommodations. Using data from the Greater Boston Area, Dr. Dogru and Osman Pekin uncover how these amenities affect Airbnb nightly rates.

  5. PPII propensity of multiple-guest amino acids in a proline-rich environment.

    Science.gov (United States)

    Moradi, Mahmoud; Babin, Volodymyr; Sagui, Celeste; Roland, Christopher

    2011-07-07

    There has been considerable debate about the intrinsic PPII propensity of amino acid residues in denatured polypeptides. Experimentally, this scale is based on the behavior of guest amino acid residues placed in the middle of proline-based hosts. We have used classical molecular dynamics simulations combined with replica-exchange methods to carry out a comprehensive analysis of the conformational equilibria of proline-based host oligopeptides with multiple guest amino acids including alanine, glutamine, valine, and asparagine. The tracked structural characteristics include the secondary structural motifs based on the Ramachandran angles and the cis/trans isomerization of the prolyl bonds. In agreement with our recent study of single amino acid guests, we did not observe an intrinsic PPII propensity in any of the guest amino acids in a multiple-guest setting. Instead, the experimental results can be explained in terms of (i) the steric restrictions imposed on the C-terminal guest amino acid that is immediately followed by a proline residue and (ii) an increase in the trans content of the prolyl bonds due to the presence of guest residues. In terms of the latter, we found that the more guests added to the system, the larger the increase in the trans content of the prolyl bonds, which results in an effective increase in the PPII content of the peptide.

  6. Vibrational spectroscopic and quantum theoretical study of host-guest interactions in clathrates: I. Hofmann type clathrates

    Directory of Open Access Journals (Sweden)

    VLADIMIR M. PETRUSEVSKI

    2000-06-01

    Full Text Available Hofmann type clatharates are host-guest compounds with the general formula M(NH32M'(CN4·2G, in which M(NH32M'(CN4 is the host lattice and G is benzene, the guest molecule. In previous studies, host-guest interactions have been investigated by analyzing the RT and LNT vibrational (infrared, far infrared and Raman spectra of these clathrates. All the observed changes in the vibrational spectra of these clathrates are referred to a host-guest interaction originating from weak hydrogen bonding between the ammonia hydrogen atoms from the host lattice and the p electron cloud of the guest (benzene molecules. In order to obtain an insight into the relative importance of the local crystalline field vs. the anharmonicity effects on the spectroscopic properties of the guest species upon enclathration, as well as to explain the observed band shifts and splittings, several quantum theoretical approaches are proposed.

  7. Supramolecular polymeric materials via cyclodextrin-guest interactions.

    Science.gov (United States)

    Harada, Akira; Takashima, Yoshinori; Nakahata, Masaki

    2014-07-15

    CONSPECTUS: Cyclodextrins (CDs) have many attractive functions, including molecular recognition, hydrolysis, catalysis, and polymerization. One of the most important uses of CDs is for the molecular recognition of hydrophobic organic guest molecules in aqueous solutions. CDs are desirable host molecules because they are environmentally benign and offer diverse functions. This Account demonstrates some of the great advances in the development of supramolecular materials through host-guest interactions within the last 10 years. In 1990, we developed topological supramolecular complexes with CDs, polyrotaxane, and CD tubes, and these preparation methods take advantage of self-organization between the CDs and the polymers. The combination of polyrotaxane with αCD forms a hydrogel through the interaction of αCDs with the OH groups on poly(ethylene glycol). We categorized these polyrotaxane chemistries within main chain type complexes. At the same time, we studied the interactions of side chain type supramolecular complexes with CDs. In these systems the guest molecules modified the polymers and selectively formed inclusion complexes with CDs. The systems that used low molecular weight compounds did not show such selectivity with CDs. The multivalency available within the complex cooperatively enhances the selective binding of CD with guest molecules via the polymer side chains, a phenomenon that is analogous to binding patterns observed in antigen-antibody complexes. To incorporate the molecular recognition properties of CDs within the polymer side chains, we first prepared stimuli-responsive sol-gel switching materials through host-guest interactions. We chose azobenzene derivatives for their response to light and ferrocene derivatives for their response to redox conditions. The supramolecular materials were both redox-responsive and self-healing, and these properties resulted from host-guest interactions. These sol-gels with built in switches gave us insight for

  8. Guest loyalty in hospitality industry

    Directory of Open Access Journals (Sweden)

    Gagić Snježana

    2015-01-01

    Full Text Available The continuous growth of competition in the hospitality sector has created the need to retain guests and prevent them from switching company due to better offer or saturation. Loyal customers are a valuable asset for catering companies, not only because of the awareness of the effects of customer loyalty. They tend to spread word-of-mouth advertising, more tolerant to price changes, as well as they casually create a linkage to their friends, relatives, colleagues, and other probable consumers and thus enable businesses to uphold a guest's base. By recognizing loyalty guests' importance, the global hospitality industry created monetary and non-monetary rewards for loyal visitors, delayed gratification (points collection and immediate rewards, as well as numerous other reward systems that try to keep them. To win customer loyalty, together with all benefits arising from it, caterers need to become familiar with factors, which determine guests' loyalty. The paper will show the results of research regarding the impact of the service quality and guests' satisfaction to their loyalty. Many authors have confirmed that employees' satisfaction affected customers' satisfaction, so this paper will give an answer does it influence on customers' loyalty as well.

  9. New Horizons Pluto Flyby Guest Operations

    Science.gov (United States)

    Simon, M.; Turney, D.; Fisher, S.; Carr, S. S.

    2015-12-01

    On July 14, 2015, after 9.5 years of cruise, NASA's New Horizons spacecraft flew past the Pluto system to gather first images humankind had ever seen on Pluto and its five moons. While much has been discovered about the Pluto system since New Horizons launch in 2006, the system has never been imaged at high resolution and anticipation of the "First Light" of the Pluto system had been anticipated by planetary enthusiasts for decades. The Johns Hopkins Applied Physics Laboratory (APL), which built and operates New Horizons, was the focal point for gathering three distinct groups: science and engineering team members; media and public affairs representatives; and invited public, including VIP's. Guest operations activities were focused on providing information primarily to the invited public and VIP's. High level objectives for the Guest Operations team was set to entertain and inform the general public, offer media reaction shots, and to deconflict activities for the guests from media activities wherever possible. Over 2000 people arrived at APL in the days surrounding closest approach for guest, science or media operations tracks. Reaction and coverage of the Guest Operations events was universally positive and global in impact: iconic pictures of the auditorium waving flags during the moment of closest approach were published in media outlets on every continent. Media relations activities ensured coverage in all key media publications targeted for release, such as the New York Times, Science, Le Monde, and Nature. Social and traditional media coverage of the events spanned the globe. Guest operations activities are designed to ensure that a guest has a memorable experience and leaves with a lifelong memory of the mission and their partnership in the activity. Results, lessons learned, and other data from the New Horizons guest operations activity will be presented and analyzed.

  10. Have the Guests Perceived Superior Value?

    Directory of Open Access Journals (Sweden)

    Levyda Levyda

    2017-11-01

    Full Text Available This research aimed to describe guests’ perceived value by using a multidimensional approach. From previous research, guests’ perceived value consisted of some functional value, emotional value, and social value. Based on guest experience, and functional value consisted of physical evidence, guest room, food and beverage, hotel staff, and price. This research was conducted in four-star hotels in Jakarta. The respondents were the guests who had stayed in four-star hotels. The number of the respondent was 405. The data were obtained by using self-administered questionnaires. This research shows that guests have not perceived superior value. Some of the values and the necessary efforts need to be improved.

  11. Mechanism of host-guest complexation by cucurbituril.

    Science.gov (United States)

    Márquez, César; Hudgins, Robert R; Nau, Werner M

    2004-05-12

    The factors affecting host-guest complexation between the molecular container compound cucurbit[6]uril (CB6) and various guests in aqueous solution are studied, and a detailed complexation mechanism in the presence of cations is derived. The formation of the supramolecular complex is studied in detail for cyclohexylmethylammonium ion as guest. The kinetics and thermodynamics of complexation is monitored by NMR as a function of temperature, salt concentration, and cation size. The binding constants and the ingression rate constants decrease with increasing salt concentration and cation-binding constant, in agreement with a competitive binding of the ammonium site of the guest and the metal cation with the ureido carbonyl portals of CB6. Studies as a function of guest size indicate that the effective container volume of the CB6 cavity is approximately 105 A(3). It is suggested that larger guests are excluded for two reasons: a high activation barrier for ingression imposed by the tight CB6 portals and a destabilization of the complex due to steric repulsion inside. For example, in the case of the nearly spherical azoalkane homologues 2,3-diazabicyclo[2.2.1]hept-2-ene (DBH, volume ca. 96 A(3)) and 2,3-diazabicyclo[2.2.2]oct-2-ene (DBO, volume ca. 110 A(3)), the former forms the CB6 complex promptly with a sizable binding constant (1300 M(-1)), while the latter does not form a complex even after several months at optimized complexation conditions. Molecular mechanics calculations are performed for several CB6/guest complexes. A qualitative agreement is found between experimental and calculated activation energies for ingression as a function of both guest size and state of protonation. The potential role of constrictive binding by CB6 is discussed.

  12. Phase changes induced by guest orientational ordering of filled ice Ih methane hydrate under high pressure and low temperature

    International Nuclear Information System (INIS)

    Hirai, H; Tanaka, T; Yagi, T; Matsuoka, T; Ohishi, Y; Ohtake, M; Yamamoto, Y

    2014-01-01

    Low-temperature and high-pressure experiments were performed with filled ice Ih structure of methane hydrate under pressure and temperature conditions of 2.0 to 77.0 GPa and 30 to 300 K, respectively, using diamond anvil cells and a helium-refrigeration cryostat. Distinct changes in the axial ratios of the host framework were revealed by In-situ X-ray diffractometry. Splitting in the CH vibration modes of the guest methane molecules, which was previously explained by the orientational ordering of the guest molecules, was observed by Raman spectroscopy. The pressure and temperature conditions at the split of the vibration modes agreed well with those of the axial ratio changes. The results indicated that orientational ordering of the guest methane molecules from orientational disordered-state occurred at high pressures and low temperatures, and that this guest ordering led to the axial ratio changes in the host framework. Existing regions of the guest disordered-phase and the guest ordered-phase were roughly estimated by the X-ray data. In addition, above the pressure of the guest-ordered phase, another high pressure phase was developed at a low-temperature region. The deuterated-water host samples were also examined and isotopic effects on the guest ordering and phase changes were observed.

  13. Handbook of Home Health Standards - Fifth edition Marrelli Tina M Handbook of Home Health Standards - Fifth edition 688pp Elsevier 9780323052245 032305224X [Formula: see text].

    Science.gov (United States)

    2009-06-03

    Home care is different from other forms of health care. Clinicians are guests in patients' homes and may be the only healthcare providers patients see on a particular day or week, so they should feel comfortable working independently, but recognise they are part of a larger healthcare team.

  14. A Tunable Cyclic Container: Guest-Induced Conformational Switching, Efficient Guest Exchange, and Selective Isolation of C70 from a Fullerene Mixture.

    Science.gov (United States)

    Mondal, Pritam; Rath, Sankar Prasad

    2017-07-18

    An adaptable cyclic porphyrin dimer with highly flexible linkers has been used as an artificial molecular container that can efficiently encapsulate various aromatic guests (TCNQ/C 60 /C 70 ) through strong π-π interactions by adjusting its cavity size and conformation. The planar aromatic guest (TCNQ) can be easily and selectively exchanged with larger aromatic guests (C 60 /C 70 ). During the guest-exchange process, the two porphyrin rings switch their relative orientation according to the size and shape of the guests. This behavior of the cyclic container has been thoroughly investigated by using UV/Vis spectroscopy, NMR spectroscopy, and X-ray crystal structure determination of the host-guest assemblies. The electrochemical and photophysical studies demonstrated the occurrence of photoinduced electron transfer from bisporphyrin to TCNQ/C 60 /C 70 in the respective host-guest assemblies. The cyclic host can form complexes with C 60 and C 70 with association constants of (2.8±0.2)×10 5 and (1.9±0.3)×10 8  m -1 , respectively; the latter value represents the highest binding affinity for C 70 reported so far for zinc(II) bisporphyrinic receptors. This high selectivity for the binding of C 70 versus C 60 allows the easy extraction and efficient isolation of C 70 from a C 60 /C 70 fullerene mixture. Experimental evidence was substantiated by DFT calculations. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  15. Guest driven structural transformation studies of a luminescent metal ...

    Indian Academy of Sciences (India)

    at room temperature often render MOFs which gener- ally encapsulate low boiling solvents as free guests in the pores. These MOFs generally exhibit flexible char- acter because they often lose those trapped guests upon air drying of the MOFs crystals and undergo struc- tural variations, often termed as guest induced ...

  16. Observational Learning among Older Adults Living in Nursing Homes

    Science.gov (United States)

    Story, Colleen D.

    2010-01-01

    The purpose of this study was to evaluate learning by older adults living in nursing homes through observational learning based on Bandura's (1977) social learning theory. This quantitative study investigated if older adults could learn through observation. The nursing homes in the study were located in the midwestern United States. The…

  17. Unanticipated guest motion during a phase transition in a ferroelastic inclusion compound.

    Science.gov (United States)

    Hollingsworth, Mark D; Peterson, Matthew L; Pate, Kevin L; Dinkelmeyer, Brian D; Brown, Michael E

    2002-03-13

    Urea inclusion compounds (UICs) have been used as tools to understand ferroelastic domain switching and molecular recognition during crystal growth. Although the vast majority of UICs contain helical arrangements of host H-bonds, those containing guests with the formula X(CH(2))(6)Y (X, Y = Br, Cl, CN, NC) adopt an alternative P2(1)/n packing mode in which the host molecules exist as stacked loops of urea hexamers. Such structures may be further separated into two classes, ones distorted away from hexagonal symmetry along [100] (Br(CH(2))(6)Br, Br(CH(2))(6)Cl, and Cl(CH(2))(6)Cl) and those distorted along [001] (e.g. NC(CH(2))(6)CN). In each of these systems, guests exist as equilibrium mixtures of gauche conformers whose populations control the direction and magnitude of the observed distortion. Such UICs are potentially ferroelastic, but the n-glide requires that domains are not related by a simple rotation-translation mechanism as in the helical systems. Ferroelastic (degenerate) domain reorientation would necessitate a large-scale reorganization of the urea framework and rupture of numerous H-bonds. Coupled with distortions of 2 to 10%, this mechanism-based barrier to domain switching has precluded observation of this phenomenon. To prepare ferroelastic UICs with minimal distortions from hexagonal symmetry, attempts were made to form solid solutions of UICs containing guests from the two classes. This failed, however: solid solution formation of the stacked loop form is usually possible within a series (e.g. with Cl(CH(2))(6)Cl and Br(CH(2))(6)Br), but not between series (e.g. Cl(CH(2))(6)Cl and NC(CH(2))(6)CN). Crystals of Cl(CH(2))(6)CN/urea, in which a single guest contains substituents from each class, are distorted along [001] by only 0.5% from hexagonal symmetry at 298 K and exhibit ferroelastic domain reorientation at high forces. At -66 degrees C, Cl(CH(2))(6)CN/urea undergoes a topotactic phase transition that is unexpectedly nontopochemical. The

  18. Supramolecular chemistry at interfaces: host-guest interactions for fabricating multifunctional biointerfaces.

    Science.gov (United States)

    Yang, Hui; Yuan, Bin; Zhang, Xi; Scherman, Oren A

    2014-07-15

    CONSPECTUS: Host-guest chemistry can greatly improve the selectivity of biomolecule-ligand binding on account of recognition-directed interactions. In addition, functional structures and the actuation of supramolecular assemblies in molecular systems can be controlled efficiently through various host-guest chemistry. Together, these highly selective, strong yet dynamic interactions can be exploited as an alternative methodology for applications in the field of programmable and controllable engineering of supramolecular soft materials through the reversible binding between complementary components. Many processes in living systems such as biotransformation, transportation of matter, and energy transduction begin with interfacial molecular recognition, which is greatly influenced by various external stimuli at biointerfaces. Detailed investigations about the molecular recognition at interfaces can result in a better understanding of life science, and further guide us in developing new biomaterials and medicines. In order to mimic complicated molecular-recognition systems observed in nature that adapt to changes in their environment, combining host-guest chemistry and surface science is critical for fabricating the next generation of multifunctional biointerfaces with efficient stimuli-responsiveness and good biocompatibility. In this Account, we will summarize some recent progress on multifunctional stimuli-responsive biointerfaces and biosurfaces fabricated by cyclodextrin- or cucurbituril-based host-guest chemistry and highlight their potential applications including drug delivery, bioelectrocatalysis, and reversible adsorption and resistance of peptides, proteins, and cells. In addition, these biointerfaces and biosurfaces demonstrate efficient response toward various external stimuli, such as UV light, pH, redox chemistry, and competitive guests. All of these external stimuli can aid in mimicking the biological stimuli evident in complex biological environments

  19. Guest Speakers in School-Based Sexuality Education

    Science.gov (United States)

    McRee, Annie-Laurie; Madsen, Nikki; Eisenberg, Marla E.

    2014-01-01

    This study, using data from a statewide survey (n = 332), examined teachers' practices regarding the inclusion of guest speakers to cover sexuality content. More than half of teachers (58%) included guest speakers. In multivariate analyses, teachers who taught high school, had professional preparation in health education, or who received…

  20. Field-induced detrapping in disordered organic semiconducting host-guest systems

    NARCIS (Netherlands)

    Cottaar, J.; Coehoorn, R.; Bobbert, P.A.

    2010-01-01

    In a disordered organic semiconducting host-guest material, containing a relatively small concentration of guest molecules acting as traps, the charge transport may be viewed as resulting from carriers that are detrapped from the guest to the host. Commonly used theories include only detrapping due

  1. Penerapan Aplikasi Web Di Hotel Arinda Guest House Bandung

    Directory of Open Access Journals (Sweden)

    Ade Mubarok

    2017-09-01

    Abstract Hotel was a thriving industry very fast with the advent of the information technology. One factor that can provide comfort is the existence of the information rapid to a reservation hotel. Several problems that ordinarily encountered hotel management and customers as it tough for rapid information, do check in and the payment of requiring guests come to the hotel, include families in village records the guest log and make a report manually.In writing thesis this, writer build a application of hotel by adopting information technology. The model used to the development of software is the method waterfall, which begins with analysis needs adapted to systems are go at the hotel arinda guest house, design system and software, coding, testing, and implementation.So that this research produce information system a reservation hotel web-based. Of interface ease of use user and showing functionality that can be used to at the check in , the hotel , faster information and save time prospective guest on do reservations , efficient in recording the guest log and reports.   Keywords: Website, Aplication, Hotel Arinda Guest House, checked in, Waterfall.

  2. The guest-worker in Western Europe--an obituary.

    Science.gov (United States)

    Castles, S

    1986-01-01

    The significance of guest workers is examined for six Western European countries. It is found that "the dynamics of the migratory process led to family reunification and settlement, against the original intentions of the workers, employers and states concerned. The recruitment of guest-workers stopped after 1974, but many migrants stayed on, becoming permanent ethnic minorities, in a situation of economic and social crisis. It is argued that guest-worker systems inevitably lead to permanent migration in the long run, and that it is better to plan for orderly settlement through appropriate policies." excerpt

  3. Controlling the Host-Guest Interaction Mode through a Redox Stimulus.

    Science.gov (United States)

    Szalóki, György; Croué, Vincent; Carré, Vincent; Aubriet, Frédéric; Alévêque, Olivier; Levillain, Eric; Allain, Magali; Aragó, Juan; Ortí, Enrique; Goeb, Sébastien; Sallé, Marc

    2017-12-18

    A proof-of-concept related to the redox-control of the binding/releasing process in a host-guest system is achieved by designing a neutral and robust Pt-based redox-active metallacage involving two extended-tetrathiafulvalene (exTTF) ligands. When neutral, the cage is able to bind a planar polyaromatic guest (coronene). Remarkably, the chemical or electrochemical oxidation of the host-guest complex leads to the reversible expulsion of the guest outside the cavity, which is assigned to a drastic change of the host-guest interaction mode, illustrating the key role of counteranions along the exchange process. The reversible process is supported by various experimental data ( 1 H NMR spectroscopy, ESI-FTICR, and spectroelectrochemistry) as well as by in-depth theoretical calculations performed at the density functional theory (DFT) level. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  4. Guest Editorial

    OpenAIRE

    Tianlong Gu; Shenghui Liu

    2011-01-01

    This special issue comprises of 14 selected papers from the International Workshop on Computer Science for Environmental Engineering and EcoInformatics (CSEEE 2011). The conferences received 860 paper submissions from 15 countries and regions, of which 450 were selected for presentation after a rigorous review process. From these 450 research papers, through two rounds of reviewing, the guest editors selected 14 as the best papers on the Networking Technologies and Information track of the Co...

  5. Managing Guest as an Asset: a Conceptual Review in the Context of Accommodation Services

    Directory of Open Access Journals (Sweden)

    Dwi Suhartanto

    2015-10-01

    Full Text Available This article discusses the concept of a customer as an asset of business in the accommodation industry. The purpose of this article is to examine the value of guests as a firm asset and to propose a model for managing guests as an asset in the context of accommodation services. A guest is considered an asset due to its role in providing revenue to the accommodation firm. Because of this role, the accommodation guest needs to be managed appropriately. This article argues that guest service evaluation (i.e. service quality, perceived value, and guest satisfaction and service loyalty are important factors in the development of guest lifetime value. The proposed model of managing guests as an asset consists of marketing instruments, service evaluation, guest loyalty, and financial outcomes provides a comprehensive guide on how accommodation firms can manage the lifetime value of their guests. Finally, as there are limited studies examining this issue, future research should test the proposed model.

  6. Hydrogen bonding assemblies in host guest complexes with 18-crown-6

    Science.gov (United States)

    Fonari, M. S.; Simonov, Yu. A.; Kravtsov, V. Ch.; Lipkowski, J.; Ganin, E. V.; Yavolovskii, A. A.

    2003-02-01

    Recent X-ray crystal structural data for two novel 1:2 host-guest complexes of 18-crown-6 with neutral organic molecules, thiaamide hydrazide of 2-aminobenzoic acid and thiaamide hydrazide of 4-amino-1,2,5-thiadiazole-3-carbonic acid are reported. The supramolecular structures of these two and five relative complexes are discussed from the point of view of participation of donor groups in coordination with the crown ether, and donor and acceptor groups in the self-assembly of the guest molecules. Guest molecules have incorporated amine and hydrazine moieties as proton donors and carbonyl oxygen and sulfur (in thiadiazole and in thiaamine moieties) as proton acceptors. The guest-guest interactions appeared to be crucial in the final architecture.

  7. Host-guest interaction of styrene and ethylbenzene in MIL-53 studied by solid-state NMR.

    Science.gov (United States)

    Li, Shenhui; Li, Jing; Tang, Jing; Deng, Feng

    Solid-state NMR was utilized to explore the host-guest interaction between adsorbate and adsorbent at atomic level to understand the separation mechanism of styrene (St) and ethylbenzene (EB) in MIL-53(Al). 13 C- 27 Al double-resonance NMR experiments revealed that the host-guest interaction between St and MIL-53 was much stronger than that of EB adsorption. In addition, 13 C DIPSHIFT experiments suggested that the adsorbed St was less mobile than EB confined inside the MIL-53 pore. Furthermore, the host-guest interaction model between St, EB and MIL-53 was established on the basis of the spatial proximities information extracted from 2D 1 H- 1 H homo-nuclear correlation NMR experiments. According to the experimental observation from solid-state NMR, it was found that the presence of π-π interaction between St and MIL-53 resulted in the stronger host-guest interaction and less mobility of St. This work provides direct experimental evidence for understanding the separation mechanism of St and EB using MIL-53 as an adsorbent. Copyright © 2017 Elsevier Inc. All rights reserved.

  8. Dichroic dye-dependent studies in guest-host polymer-dispersed liquid crystal films

    Energy Technology Data Exchange (ETDEWEB)

    Malik, Praveen, E-mail: pmalik100@yahoo.co [Department of Physics, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar 144011, Punjab (India); Raina, K.K. [Liquid Crystal Group, Materials Research Laboratory, School of Physics and Materials Science, Thapar University, Patiala 147004, Punjab (India)

    2010-01-01

    Guest-host polymer-dispersed liquid crystal (GHPDLC) films were prepared using a nematic liquid crystal, photo-curable polymer and dichroic dye (anthraquinone blue) by polymerization-induced phase separation (PIPS) technique. Non-ionic dichroic dye (1%, 2% and 4% wt./wt. ratio) was taken as guest in PDLC host. Polarizing microscopy shows that in the absence of electric field, liquid crystal (LC) droplets in polymer matrix mainly exhibit bipolar configuration, however, relatively at higher field, maltese-type crosses were observed. Our results show that approx1% dye-doped PDLC film shows better transmission and faster response times over pure polymer-dispersed nematic liquid crystal (PDNLC) and higher concentrated (2% and 4%) GHPDLC films.

  9. Dichroic dye-dependent studies in guest-host polymer-dispersed liquid crystal films

    International Nuclear Information System (INIS)

    Malik, Praveen; Raina, K.K.

    2010-01-01

    Guest-host polymer-dispersed liquid crystal (GHPDLC) films were prepared using a nematic liquid crystal, photo-curable polymer and dichroic dye (anthraquinone blue) by polymerization-induced phase separation (PIPS) technique. Non-ionic dichroic dye (1%, 2% and 4% wt./wt. ratio) was taken as guest in PDLC host. Polarizing microscopy shows that in the absence of electric field, liquid crystal (LC) droplets in polymer matrix mainly exhibit bipolar configuration, however, relatively at higher field, maltese-type crosses were observed. Our results show that ∼1% dye-doped PDLC film shows better transmission and faster response times over pure polymer-dispersed nematic liquid crystal (PDNLC) and higher concentrated (2% and 4%) GHPDLC films.

  10. A Room with a Viewpoint Revisited: Descriptive Norms and Hotel Guests' Towel Reuse Behavior

    OpenAIRE

    Bohner, Gerd; Schlüter, Lena E.

    2014-01-01

    Field experiments on descriptive norms as a means to increase hotel guests' towel reuse [1] were replicated and extended. In two hotels in Germany (Study 1: N = 724; Study 2: N = 204), descriptive norm messages suggesting that 75% of guests had reused their towels, or a standard message appealing to environmental concerns, were placed in guests' bathrooms. Descriptive norm messages varied in terms of proximity of the reference group ("hotel guests" vs. "guests in this room") and temporal prox...

  11. Dashbell: A Low-cost Smart Doorbell System for Home Use

    OpenAIRE

    Quadros, B; Kadam, R; Saxena, K; Shen, W; Kobsa, A

    2018-01-01

    Smart doorbells allow home owners to receive alerts when a visitor is at the door, see who the guest is, and communicate with the visitor from a smart device. They greatly improve people's life quality and contribute to the evolution of smart homes. However, the commercial smart doorbells are quite expensive, usually cost more than 190 US dollars, which is a substantial impediment on the pervasiveness of smart doorbells. To solve this problem, we introduce the Dashbell-a budget smart doorbell...

  12. Host-Guest Complexes of Cyclodextrins and Nanodiamonds as a Strong Non-Covalent Binding Motif for Self-Assembled Nanomaterials.

    Science.gov (United States)

    Schibilla, Frauke; Voskuhl, Jens; Fokina, Natalie A; Dahl, Jeremy E P; Schreiner, Peter R; Ravoo, Bart Jan

    2017-11-13

    We report the inclusion of carboxy- and amine-substituted molecular nanodiamonds (NDs) adamantane, diamantane, and triamantane by β-cyclodextrin and γ-cyclodextrin (β-CD and γ-CD), which have particularly well-suited hydrophobicity and symmetry for an optimal fit of the host and guest molecules. We studied the host-guest interactions in detail and generally observed 1:1 association of the NDs with the larger γ-CD cavity, but observed 1:2 association for the largest ND in the series (triamantane) with β-CD. We found higher binding affinities for carboxy-substituted NDs than for amine-substituted NDs. Additionally, cyclodextrin vesicles (CDVs) were decorated with d-mannose by using adamantane, diamantane, and triamantane as non-covalent anchors, and the resulting vesicles were compared with the lectin concanavalin A in agglutination experiments. Agglutination was directly correlated to the host-guest association: adamantane showed lower agglutination than di- or triamantane with β-CDV and almost no agglutination with γ-CDV, whereas high agglutination was observed for di- and triamantane with γ-CDV. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  13. Be My Guest: A Survey of Mass Communication Students' Perception of Guest Speakers

    Science.gov (United States)

    Merle, Patrick F.; Craig, Clay

    2017-01-01

    The use of guest speakers as a pedagogical technique across disciplines at the college level is hardly novel. However, empirical assessment of journalism and mass communication students' perceptions of this practice has not previously been conducted. To fill this gap, this article presents results from an online survey specifically administered to…

  14. Foreign Guests in Ancient Greece

    Directory of Open Access Journals (Sweden)

    Zora Žbontar

    2013-12-01

    Full Text Available Xenía was a special relationship between a foreign guest and his host in Ancient Greece. The ritual of hosting a foreigner included an exchange of objects, feasting, and the establishment of friendship between people from different social backgrounds. This relationship implied trust, loyalty, friendship, and mutual aid between the people involved. Goods and services were also exchanged without any form of payment. There were no formal laws governing xenía – it was based entirely on a moral appeal. Mutual appreciation between the host and the guest was established during the ritual, but the host did retain a certain level of superiority over the guest. Xenía was one of the most important institutions in Ancient Greece. It had a lot of features and obligations similar to kinship and marriage. In literary sources the word xénos varies in meaning from “enemy stranger”, “friendly stranger”, “foreigner”, “guest”, “host” to “ritual friend”, and it is often hard to tell which usage is appropriate in a given passage. The paper describes the emphasis on hospitality towards foreigners. It presents an example of a depiction indicating xenía is presented, as well as several objects which were traded during the ritual. The paper also addresses the importance of hospitality in Greek drama in general, especially with examples of violations of the hospitality code.

  15. A Different Guest Worker Story: Roma Guest Workers – a Transnational Minority in Transmigration

    Directory of Open Access Journals (Sweden)

    Ana Banić-Grubišić

    2016-03-01

    Full Text Available he paper considers the ambiguity of the term ‘guest worker’, based on the example of economic migrants who belong to the Roma population. Over the last fifty years, members of the Roma minority have migrated to Western European countries for different reasons (economic, political and social reasons, and there is no official data on the precise number of Roma who have migrated abroad, whether permanently or temporarily. It is possible to establish a number of categories of Roma immigrants who reside permanently or temporarily in Western European countries. These are: the so-called “classic guest workers” who, through legal or illegal means went to work abroad in the 60’s and 70’s, and mostly settled permanently in the host countries; Roma refugees from Kosovo and/or asylum seekers who left the country during the wars in the 90’s, and who were returned to Serbia after the signing of the Readmission treaty; and those Roma who represent occasional economic migrants: people who, after Serbia was put on the white Schengen list (the liberalization of the visa policy for citizens of Serbia, spend three months at a time working abroad. Even though these three categories of Roma workers have different reasons for migrating from and returning to Serbia, the majority of the population perceives them as a unified, distinct whole – as guest workers. The paper is the result of fieldwork conducted in South-Eastern Serbia, in the village of Minicevo.

  16. Rotaxane and catenane host structures for sensing charged guest species.

    Science.gov (United States)

    Langton, Matthew J; Beer, Paul D

    2014-07-15

    CONSPECTUS: The promise of mechanically interlocked architectures, such as rotaxanes and catenanes, as prototypical molecular switches and shuttles for nanotechnological applications, has stimulated an ever increasing interest in their synthesis and function. The elaborate host cavities of interlocked structures, however, can also offer a novel approach toward molecular recognition: this Account describes the use of rotaxane and catenane host systems for binding charged guest species, and for providing sensing capability through an integrated optical or electrochemical reporter group. Particular attention is drawn to the exploitation of the unusual dynamic properties of interlocked molecules, such as guest-induced shuttling or conformational switching, as a sophisticated means of achieving a selective and functional sensor response. We initially survey interlocked host systems capable of sensing cationic guests, before focusing on our accomplishments in synthesizing rotaxanes and catenanes designed for the more challenging task of selective anion sensing. In our group, we have developed the use of discrete anionic templation to prepare mechanically interlocked structures for anion recognition applications. Removal of the anion template reveals an interlocked host system, possessing a unique three-dimensional geometrically restrained binding cavity formed between the interlocked components, which exhibits impressive selectivity toward complementary anionic guest species. By incorporating reporter groups within such systems, we have developed both electrochemical and optical anion sensors which can achieve highly selective sensing of anionic guests. Transition metals, lanthanides, and organic fluorophores integrated within the mechanically bonded structural framework of the receptor are perturbed by the binding of the guest, with a concomitant change in the emission profile. We have also exploited the unique dynamics of interlocked hosts by demonstrating that an

  17. Problematising public and private work spaces: midwives' work in hospitals and in homes.

    Science.gov (United States)

    Bourgeault, Ivy Lynn; Sutherns, Rebecca; Macdonald, Margaret; Luce, Jacquelyne

    2012-10-01

    as the boundaries between public and private spaces become increasingly fluid, interest is growing in exploring how those spaces are used as work environments, how professionals both construct and convey themselves in those spaces, and how the lines dividing spaces traditionally along public and private lines are blurred. This paper draws on literature from critical geography, organisational studies, and feminist sociology to interpret the work experiences of midwives in Ontario, Canada who provide maternity care both in hospitals and in clients' homes. qualitative design involving in-depth semi-structured interviews content coded thematically. Ontario, Canada. community midwives who practice at home and in hospital. the accounts of practicing midwives illustrate the ways in which hospital and home work spaces are sites of both compromise and resistance. With the intention of making birthing women feel more `at home', midwives describe how they attempt to recreate the woman's home in the hospital. Similarly, midwives also reorient women's homes to a certain degree into a more standardised work space for home birth attendance. Many midwives also described how they like `guests' in both settings. there seems to be a conscious or unconscious convergence of midwifery work spaces to accommodate Ontario midwives' unique model of practice. we link these findings of midwives' place of work on their experiences as workers to professional work experiences in both public and private spaces and offer suggestions for further exploration of the concept of professionals as guests in their places of work. Copyright © 2012. Published by Elsevier Ltd.

  18. Host-guest chemistry of dendrimer-drug complexes. 2. Effects of molecular properties of guests and surface functionalities of dendrimers.

    Science.gov (United States)

    Hu, Jingjing; Cheng, Yiyun; Wu, Qinglin; Zhao, Libo; Xu, Tongwen

    2009-08-06

    The host-guest chemistry of dendrimer-drug complexes is investigated by NMR techniques, including (1)H NMR and 2D-NOESY studies. The effects of molecular properties of drug molecules (protonation ability and spatial steric hindrance of charged groups) and surface functionalities of dendrimers (positively charged amine groups and negatively charged carboxylate groups) on the host-guest interactions are discussed. Different interaction mechanisms between dendrimers and drug molecules are proposed on the basis of NMR results. Primary amine- and secondary amine-containing drugs preferentially bind to negatively charged dendrimers by strong electrostatic interactions, whereas tertiary amine and quaternary ammonium-containing drugs have weak binding ability with dendrimers due to relatively low protonation ability of the tertiary amine group and serious steric hindrance of the quaternary ammonium group. Positively charged drugs locate only on the surface of negatively charged dendrimers, whereas negatively charged drugs locate both on the surface and in the interior cavities of positively charged dendrimers. The host-guest chemistry of dendrimer-drug complexes is promising for the development of new drug delivery systems.

  19. Theoretical model estimation of guest diffusion in Metal-Organic Frameworks (MOFs)

    KAUST Repository

    Zheng, Bin

    2015-08-11

    Characterizing molecule diffusion in nanoporous matrices is critical to understanding the novel chemical and physical properties of metal-organic frameworks (MOFs). In this paper, we developed a theoretical model to fastly and accurately compute the diffusion rate of guest molecules in a zeolitic imidazolate framework-8 (ZIF-8). The ideal gas or equilibrium solution diffusion model was modified to contain the effect of periodical media via introducing the possibility of guests passing through the framework gate. The only input in our model is the energy barrier of guests passing through the MOF’s gate. Molecular dynamics (MD) methods were employed to gather the guest density profile, which then was used to deduce the energy barrier values. This produced reliable results that require a simulation time of 5 picoseconds, which is much shorter when using pure MD methods (in the billisecond scale) . Also, we used density functional theory (DFT) methods to obtain the energy profile of guests passing through gates, as this does not require specification of a force field for the MOF degrees of freedom. In the DFT calculation, we only considered one gate of MOFs each time; as this greatly reduced the computational cost. Based on the obtained energy barrier values we computed the diffusion rate of alkane and alcohol in ZIF-8 using our model, which was in good agreement with experimental test results and the calculation values from standard MD model. Our model shows the advantage of obtaining accurate diffusion rates for guests in MOFs for a lower computational cost and shorter calculation time. Thus, our analytic model calculation is especially attractive for high-throughput computational screening of the dynamic performance of guests in a framework.

  20. Get Your Hotel Operations Team Onboard The Tricycle of Guest Service

    OpenAIRE

    Kennedy, Doug

    2018-01-01

    As hospitality industry trainers know, using symbols and models can help trainees grasp abstract concepts and make seemingly-complex paradigms easy to understand. Seems like is a good time for the hotel industry to update its model, so let’s get your team onboard The Tricycle of Guest Service. When you think about it, a tricycle is a perfect model for a positive guest experience. For one, it has three wheels, just like the three components of a memorable guest stay. The back wheels repres...

  1. Force and Stress along Simulated Dissociation Pathways of Cucurbituril-Guest Systems.

    Science.gov (United States)

    Velez-Vega, Camilo; Gilson, Michael K

    2012-03-13

    The field of host-guest chemistry provides computationally tractable yet informative model systems for biomolecular recognition. We applied molecular dynamics simulations to study the forces and mechanical stresses associated with forced dissociation of aqueous cucurbituril-guest complexes with high binding affinities. First, the unbinding transitions were modeled with constant velocity pulling (steered dynamics) and a soft spring constant, to model atomic force microscopy (AFM) experiments. The computed length-force profiles yield rupture forces in good agreement with available measurements. We also used steered dynamics with high spring constants to generate paths characterized by a tight control over the specified pulling distance; these paths were then equilibrated via umbrella sampling simulations and used to compute time-averaged mechanical stresses along the dissociation pathways. The stress calculations proved to be informative regarding the key interactions determining the length-force profiles and rupture forces. In particular, the unbinding transition of one complex is found to be a stepwise process, which is initially dominated by electrostatic interactions between the guest's ammoniums and the host's carbonyl groups, and subsequently limited by the extraction of the guest's bulky bicyclooctane moiety; the latter step requires some bond stretching at the cucurbituril's extraction portal. Conversely, the dissociation of a second complex with a more slender guest is mainly driven by successive electrostatic interactions between the different guest's ammoniums and the host's carbonyl groups. The calculations also provide information on the origins of thermodynamic irreversibilities in these forced dissociation processes.

  2. Guest-host chemistry with dendrimers—binding of carboxylates in aqueous solution

    DEFF Research Database (Denmark)

    Ficker, Mario; Petersen, Johannes Fabritius; Hansen, Jon Stefan

    2015-01-01

    Recognition and binding of anions in water is difficult due to the ability of water molecules to form strong hydrogen bonds and to solvate the anions. The complexation of two different carboxylates with 1-(4-carbomethoxypyrrolidone)-terminated PAMAM dendrimers was studied in aqueous solution using...... the carboxylate-dendrimer interaction selectively. The binding stoichiometry for 3-hydroxy-2-naphthoate was found to be two strongly bound guest molecules per dendrimer and an additional 40 molecules with weak binding affinity. The NOESY NMR showed a clear binding correlation of sodium 3-hydroxy-2-naphthoate...... with the lyophilic dendrimer core, possibly with the two high affinity guest molecules. In comparison, sodium 2-naphthoate showed a weaker binding strength and had a stoichiometry of two guests per dendrimer with no additional weakly bound guests. This stronger dendrimer interaction with sodium 3-hydroxy-2...

  3. Computations between metallocalix(4)arene host and a series of four oil-based fuel pollutant guests

    International Nuclear Information System (INIS)

    Pathak, D.A.; Street, N.C.

    2006-01-01

    Calculations using PM3 and mechanics methods on metallocalix(4)arene hosts (1-10) and substituted dibenzothiophene guests (A-D), which are generally known as oil-based fuel pollutants, show that host-guest formation is energetically favored. Calculations have been carried out for both 1/1 and 1/4 ratios of host/guest. There is no direct bonding between the metal center of the host and the sulfur of the guest in the host-guest complex. Sterically hundered dibenzothiophene guests show similar energies to the unhindered analogs. For calix(4)arenas (5-10) in partial cone conformations and having hydrogen rather than p-tert-butyl groups on the wide rim, host-guest formation occurs within the narrow rim rather than the wide rim. Host-guest association appears to occur via Pie-Pie interactions between host and guest phenyl groups rather than via metal-sulfur bonding. The study has importance especially in oil refining to obtain environmentally safe fuel oils and help supramolecular chemists in designing and synthesizing more sophisticated host molecules for the removal of sulfur from crude oil / refinery oil. (author)

  4. Quality of customer service: perceptions from guests in all-inclusive resorts in Jamaica

    Science.gov (United States)

    Joel L. Frater

    2007-01-01

    With data collected from guests in all-inclusive resorts in Jamaica, West Indies, the purposes of this study were to: (1) delineate unique dimensions of customer service perceptions among guests and (2) report the finding of a study that measured guests' perceptions of the quality of customer service in all-inclusive resorts. The study asked the following research...

  5. Selecting non-classified hotels in Kenya: what really matters for business guests?

    Directory of Open Access Journals (Sweden)

    Alex K Kivuva

    2014-01-01

    Full Text Available Non-classified hotels, which comprise small hotels and guest houses, are important accommodation providers offering limited services and products as compared to the classified hotels. Through guest satisfaction, they can achieve repeat business and also get new business through word of mouth from previous guests. The main focus is for the hoteliers to know exactly the determinants of selection of hotels by their guests. In this case, the focus was on non-classified hotels in Mtwapa town at the Kenyan coast. The study adopted a cross-sectional descriptive survey design. Results from this study clearly indicate that all aspects of hotel operations are important to business guests’ selection of a non-classified hotel. However, it was revealed that this was not on equal basis. Results indicate that the core product (guestroom comfortability, hygiene and cleanliness were the most important factors in determining guests’ selection of where to stay. This research therefore suggests that any efforts towards quality improvement in a hotel should focus primarily on ensuring customer satisfaction with the guestroom. While acknowledging the importance of all aspects of hotel operations, managers should recognize the importance of the guestroom and its facilities towards hotel selection and overall customer satisfaction. Therefore, it is imperative that managers channel their resources towards improving guest services in the guestrooms in accordance with the requirements of the clientele. This includes such aspects as the look of the guest rooms, facilities provided in the guest rooms and comfortability of the bed and mattress.

  6. The Vital Components of Restaurant Quality that Affect Guest Satisfaction

    Directory of Open Access Journals (Sweden)

    Snježana Gagić

    2013-10-01

    Full Text Available Nowadays, the trend of dining in restaurants has become quite prominent in Serbia. Frequent restaurant visits are not only the reflection of satisfying hedonistic needs, but also the result of increasing number of single-person households as well as adjustment to the European business hours.In an increasingly competitive environment, restaurants must be focused on guests using marketing concepts that identify their needs thus leading to their satisfaction and increased retention.Service quality is fundamental component which produce higher levels of guest satisfaction, which in turn lead to higher sales revenue.The main purpose of this study was to examine the quality dimensions that affect guest satisfaction in restaurant industry. Food and beverage quality, the quality of service delivery, physical environment and price fairness are analyzed as a key components of restaurant experience. The results could be helpful tool for restaurant managers to invest their resources more efficiently, making changes to crucial quality attributes that elicit the guests’ satisfaction level. A management approach focused on guest satisfaction can improve restaurant business performance.

  7. Switchable host-guest systems on surfaces.

    Science.gov (United States)

    Yang, Ying-Wei; Sun, Yu-Long; Song, Nan

    2014-07-15

    CONSPECTUS: For device miniaturization, nanotechnology follows either the "top-down" approach scaling down existing larger-scale devices or the "bottom-up' approach assembling the smallest possible building blocks to functional nanoscale entities. For synthetic nanodevices, self-assembly on surfaces is a superb method to achieve useful functions and enable their interactions with the surrounding world. Consequently, adaptability and responsiveness to external stimuli are other prerequisites for their successful operation. Mechanically interlocked molecules such as rotaxanes and catenanes, and their precursors, that is, molecular switches and supramolecular switches including pseudorotaxanes, are molecular machines or prototypes of machines capable of mechanical motion induced by chemical signals, biological inputs, light or redox processes as the external stimuli. Switching of these functional host-guest systems on surfaces becomes a fundamental requirement for artificial molecular machines to work, mimicking the molecular machines in nature, such as proteins and their assemblies operating at dynamic interfaces such as the surfaces of cell membranes. Current research endeavors in material science and technology are focused on developing either a new class of materials or materials with novel/multiple functionalities by shifting host-guest chemistry from solution phase to surfaces. In this Account, we present our most recent attempts of building monolayers of rotaxanes/pseudorotaxanes on surfaces, providing stimuli-induced macroscopic effects and further understanding on the switchable host-guest systems at interfaces. Biocompatible versions of molecular machines based on synthetic macrocycles, such as cucurbiturils, pillararenes, calixarenes, and cyclodextrins, have been employed to form self-assembled monolayers of gates on the surfaces of mesoporous silica nanoparticles to regulate the controlled release of cargo/drug molecules under a range of external stimuli

  8. Distribution of metal and adsorbed guest species in zeolites

    Energy Technology Data Exchange (ETDEWEB)

    Chmelka, B.F.

    1989-12-01

    Because of their high internal surface areas and molecular-size cavity dimensions, zeolites are used widely as catalysts, shape- selective supports, or adsorbents in a variety of important chemical processes. For metal-catalyzed reactions, active metal species must be dispersed to sites within the zeolite pores that are accessible to diffusing reactant molecules. The distribution of the metal, together with transport and adsorption of reactant molecules in zeolite powders, are crucial to ultimate catalyst performance. The nature of the metal or adsorbed guest distribution is known, however, to be dramatically dependent upon preparatory conditions. Our objective is to understand, at the molecular level, how preparatory treatments influence the distribution of guest species in zeolites, in order that macroscopic adsorption and reaction properties of these materials may be better understood. The sensitivity of xenon to its adsorption environment makes {sup 129}Xe NMR spectroscopy an important diagnostic probe of metal clustering and adsorbate distribution processes in zeolites. The utility of {sup 129}Xe NMR depends on the mobility of the xenon atoms within the zeolite-guest system, together with the length scale of the sample heterogeneity being studied. In large pore zeolites containing dispersed guest species, such as Pt--NaY, {sup 129}Xe NMR is insensitive to fine structural details at room temperature.

  9. Distribution of metal and adsorbed guest species in zeolites

    International Nuclear Information System (INIS)

    Chmelka, B.F.

    1989-12-01

    Because of their high internal surface areas and molecular-size cavity dimensions, zeolites are used widely as catalysts, shape- selective supports, or adsorbents in a variety of important chemical processes. For metal-catalyzed reactions, active metal species must be dispersed to sites within the zeolite pores that are accessible to diffusing reactant molecules. The distribution of the metal, together with transport and adsorption of reactant molecules in zeolite powders, are crucial to ultimate catalyst performance. The nature of the metal or adsorbed guest distribution is known, however, to be dramatically dependent upon preparatory conditions. Our objective is to understand, at the molecular level, how preparatory treatments influence the distribution of guest species in zeolites, in order that macroscopic adsorption and reaction properties of these materials may be better understood. The sensitivity of xenon to its adsorption environment makes 129 Xe NMR spectroscopy an important diagnostic probe of metal clustering and adsorbate distribution processes in zeolites. The utility of 129 Xe NMR depends on the mobility of the xenon atoms within the zeolite-guest system, together with the length scale of the sample heterogeneity being studied. In large pore zeolites containing dispersed guest species, such as Pt--NaY, 129 Xe NMR is insensitive to fine structural details at room temperature

  10. The benefit of guest loyalty programmes | La Rose | Research in ...

    African Journals Online (AJOL)

    In the literature review of this research, the following aspects are discussed: a loyalty programme and its use; the sort of loyalty programmes; the effects of a loyalty programme; and the wishes and needs of a leisure guest. Surveys were divided among 46 leisure guests of Apollo Hotels and Resorts in order to collect data on ...

  11. Exploring Environmental Awareness and Behavior among Guests at Hotels That Apply Water-Saving Measures

    Directory of Open Access Journals (Sweden)

    Ariadna Gabarda-Mallorquí

    2018-04-01

    Full Text Available The aim of this study was to investigate guest profiles at a hotel that has created a best-practices water management model to determine how different types of guests contribute to saving water during their stay. To do this, we analyzed levels of environmental awareness and pro-environmental behavior among the guests. Information was gathered through 648 structured surveys with guests at Hotel Samba in the Spanish seaside resort of Lloret de Mar between September 2015 and August 2016. Cluster analysis revealed four profiles of guests with different sociodemographic characteristics and different levels of awareness and proactivity in relation to water conservation. We combined our findings to develop a framework that illustrates how the two dimensions of environmental awareness and pro-environmental behavior are related in this setting. This article provides new insights into how hotel guests’ environmental awareness and engagement can influence a hotel’s water-saving efforts. These insights should help hotel operators to devise new, guest-centered strategies for saving water.

  12. Incommensurate host-guest structures in compressed elements: Hume—Rothery effects as origin

    International Nuclear Information System (INIS)

    Degtyareva, V F

    2015-01-01

    Discovery of the incommensurate structure in the element Ba under pressure 15 years ago was followed by findings of a series of similar structures in other compressed elements. Incommensurately modulated structures of the host-guest type consist of a tetragonal host structure and a guest structure. The guest structure forms chains of atoms embedded in the channels of host atoms so that the axial ratio of these subcells along the c axis is not rational. Two types of the host-guest structures have been found so far: with the host cells containing 8 atoms and 16 atoms; in these both types the guest cells contain 2 atoms. These crystal structures contain a non-integer number of atoms in their unit cell: tI11* in Bi, Sb, As, Ba, Sr, Sc and tI19* in Na, K, Rb. We consider here a close structural relationship of these host-guest structures with the binary alloy phase Au 3 Cd 5 -tI32. This phase is related to the family of the Hume-Rothery phases that is stabilized by the Fermi sphere-Brillouin zone interaction. From similar considerations for alkali and alkaline-earth elements a necessary condition for structural stability emerges in which the valence electrons band overlaps with the upper core electrons and the valence electron count increases under compression. (paper)

  13. Structural Consequences of Anionic Host-Cationic Guest Interactions in a Supramolecular Assembly

    Energy Technology Data Exchange (ETDEWEB)

    Pluth, Michael D.; Johnson, Darren W.; Szigethy, Geza; Davis, Anna V.; Teat, Simon J.; Oliver, Allen G.; Bergman, Robert G.; Raymond, Kenneth N.

    2008-07-09

    The molecular structure of the self-assembled supramolecular assembly [M{sub 4}L{sub 6}]{sup 12-} has been explored with different metals (M = Ga{sup III}, Fe{sup III}, Ti{sup IV}) and different encapsulated guests (NEt{sub 4}{sup +}, BnNMe{sub 3}{sup +}, Cp{sub 2}Co{sup +}, Cp*{sub 2}Co{sup +}) by X-ray crystallography. While the identity of the metal ions at the vertices of the M{sub 4}L{sub 6} structure is found to have little effect on the assembly structure, encapsulated guests significantly distort the size and shape of the interior cavity of the assembly. Cations on the exterior of the assembly are found to interact with the assembly through either {pi}-{pi}, cation-{pi}, or CH-{pi} interactions. In some cases, the exterior guests interact with only one assembly, but cations with the ability to form multiple {pi}-{pi} interactions are able to interact with adjacent assemblies in the crystal lattice. The solvent accessible cavity of the assembly is modeled using the rolling probe method and found to range from 253-434 {angstrom}{sup 3}, depending on the encapsulated guest. Based on the volume of the guest and the volume of the cavity, the packing coefficient for each host-guest complex is found to range from 0.47-0.67.

  14. Importance of satisfaction and guests experience in hotel business organizations

    Directory of Open Access Journals (Sweden)

    Milošević Srđan

    2012-01-01

    Full Text Available Hotel companies which operate in today's competitive environment must constantly work on improving their products and services, at the request of their guests. Customer satisfaction is the key to retaining existing and attracting new guests. To achieve this goal, managers in the hotel organizations have become aware of the fact that the quality of staying in hotel represent unique experience for tourists. Lot of papers are dealing with the exploration of this topic, it only proves its importance nowadays. However, insufficient attention is paid to the simultaneous study of experience of guests and their satisfaction through the offered models (indexes that are created for this purpose. The purpose of this paper is to show the importance of these issues and identify their potential symbiosis.

  15. Energy-cascade organic photovoltaic devices incorporating a host-guest architecture.

    Science.gov (United States)

    Menke, S Matthew; Holmes, Russell J

    2015-02-04

    In planar heterojunction organic photovoltaic devices (OPVs), broad spectral coverage can be realized by incorporating multiple molecular absorbers in an energy-cascade architecture. Here, this approach is combined with a host-guest donor layer architecture previously shown to optimize exciton transport for the fluorescent organic semiconductor boron subphthalocyanine chloride (SubPc) when diluted in an optically transparent host. In order to maximize the absorption efficiency, energy-cascade OPVs that utilize both photoactive host and guest donor materials are examined using the pairing of SubPc and boron subnaphthalocyanine chloride (SubNc), respectively. In a planar heterojunction architecture, excitons generated on the SubPc host rapidly energy transfer to the SubNc guest, where they may migrate toward the dissociating, donor-acceptor interface. Overall, the incorporation of a photoactive host leads to a 13% enhancement in the short-circuit current density and a 20% enhancement in the power conversion efficiency relative to an optimized host-guest OPV combining SubNc with a nonabsorbing host. This work underscores the potential for further design refinements in planar heterojunction OPVs and demonstrates progress toward the effective separation of functionality between constituent OPV materials.

  16. Diffusion as a function of guest molecule length and functionalization in flexible metal–organic frameworks

    KAUST Repository

    Zheng, B.; Wang, L. L.; Du, L.; Pan, Y.; Lai, Zhiping; Huang, Kuo-Wei; Du, H. L.

    2016-01-01

    Understanding guest diffusion in nanoporous host-guest systems is crucial in the efficient design of metal-organic frameworks (MOFs) for chemical separation and drug delivery applications. In this work, we investigated the effect of molecule length on the diffusion rate in the zeolitic imidazolate framework 8 (ZIF-8), trying to find a simple and straightforward variable to characterize the complicated guest diffusion. We found that, counter-intuitively, long guest molecules can diffuse as quickly as short molecules; the diffusion coefficient of ethyl acetate for example is of the same order of magnitude as ethane and ethanol, as excludes the existence of a simple relationship between molecule length and diffusion rate. This phenomenon is explained by a study of the contributions of intra- and inter-cage movement to overall transport. Steric confinement limits the degrees of freedom of long guest molecules, shortening their residence time and increasing the efficiency of radial diffusion. In contrast, shorter molecules meander within MOF cages, reducing transport. Furthermore, the energy barrier of inter-cage transport also does not exhibit a simple dependence on a guest molecule length, attributing to the effect of the type of functional group on diffusion. Guests over varying lengths were investigated by using theoretical methods, revealing that the guest diffusion in ZIF-8 depends on the number of contiguous carbon atoms in a molecule, rather than its overall length. Thus, we proposed simple criteria to predict arbitrary guest molecule diffusivity in ZIF-8 without time-consuming experimentation. © 2016 The Royal Society of Chemistry.

  17. Diffusion as a function of guest molecule length and functionalization in flexible metal–organic frameworks

    KAUST Repository

    Zheng, B.

    2016-05-11

    Understanding guest diffusion in nanoporous host-guest systems is crucial in the efficient design of metal-organic frameworks (MOFs) for chemical separation and drug delivery applications. In this work, we investigated the effect of molecule length on the diffusion rate in the zeolitic imidazolate framework 8 (ZIF-8), trying to find a simple and straightforward variable to characterize the complicated guest diffusion. We found that, counter-intuitively, long guest molecules can diffuse as quickly as short molecules; the diffusion coefficient of ethyl acetate for example is of the same order of magnitude as ethane and ethanol, as excludes the existence of a simple relationship between molecule length and diffusion rate. This phenomenon is explained by a study of the contributions of intra- and inter-cage movement to overall transport. Steric confinement limits the degrees of freedom of long guest molecules, shortening their residence time and increasing the efficiency of radial diffusion. In contrast, shorter molecules meander within MOF cages, reducing transport. Furthermore, the energy barrier of inter-cage transport also does not exhibit a simple dependence on a guest molecule length, attributing to the effect of the type of functional group on diffusion. Guests over varying lengths were investigated by using theoretical methods, revealing that the guest diffusion in ZIF-8 depends on the number of contiguous carbon atoms in a molecule, rather than its overall length. Thus, we proposed simple criteria to predict arbitrary guest molecule diffusivity in ZIF-8 without time-consuming experimentation. © 2016 The Royal Society of Chemistry.

  18. Temperature-regulated guest admission and release in microporous materials

    Science.gov (United States)

    Li, Gang (Kevin); Shang, Jin; Gu, Qinfen; Awati, Rohan V.; Jensen, Nathan; Grant, Andrew; Zhang, Xueying; Sholl, David S.; Liu, Jefferson Z.; Webley, Paul A.; May, Eric F.

    2017-06-01

    While it has long been known that some highly adsorbing microporous materials suddenly become inaccessible to guest molecules below certain temperatures, previous attempts to explain this phenomenon have failed. Here we show that this anomalous sorption behaviour is a temperature-regulated guest admission process, where the pore-keeping group's thermal fluctuations are influenced by interactions with guest molecules. A physical model is presented to explain the atomic-level chemistry and structure of these thermally regulated micropores, which is crucial to systematic engineering of new functional materials such as tunable molecular sieves, gated membranes and controlled-release nanocontainers. The model was validated experimentally with H2, N2, Ar and CH4 on three classes of microporous materials: trapdoor zeolites, supramolecular host calixarenes and metal-organic frameworks. We demonstrate how temperature can be exploited to achieve appreciable hydrogen and methane storage in such materials without sustained pressure. These findings also open new avenues for gas sensing and isotope separation.

  19. Nanoparticles functionalized with supramolecular host-guest systems for nanomedicine and healthcare.

    Science.gov (United States)

    Wu, Zilong; Song, Nan; Menz, Ryan; Pingali, Bharadwaj; Yang, Ying-Wei; Zheng, Yuebing

    2015-05-01

    Synthetic macrocyclic host compounds can interact with suitable guest molecules via noncovalent interactions to form functional supramolecular systems. With the synergistic integration of the response of molecules and the unique properties at the nanoscale, nanoparticles functionalized with the host-guest supramolecular systems have shown great potentials for a broad range of applications in the fields of nanoscience and nanotechnology. In this review article, we focus on the applications of the nanoparticles functionalized with supramolecular host-guest systems in nanomedicine and healthcare, including therapeutic delivery, imaging, sensing and removal of harmful substances. A large number of examples are included to elucidate the working mechanisms, advantages, limitations and future developments of the nanoparticle-supramolecule systems in these applications.

  20. Relationship between the cohesion of guest particles on the flow behaviour of interactive mixtures.

    Science.gov (United States)

    Mangal, Sharad; Gengenbach, Thomas; Millington-Smith, Doug; Armstrong, Brian; Morton, David A V; Larson, Ian

    2016-05-01

    In this study, we aimed to investigate the effects cohesion of small surface-engineered guest binder particles on the flow behaviour of interactive mixtures. Polyvinylpyrrolidone (PVP) - a model pharmaceutical binder - was spray-dried with varying l-leucine feed concentrations to create small surface-engineered binder particles with varying cohesion. These spray-dried formulations were characterised by their particle size distribution, morphology and cohesion. Interactive mixtures were produced by blending these spray-dried formulations with paracetamol. The resultant blends were visualised under scanning electron microscope to confirm formation of interactive mixtures. Surface coverage of paracetamol by guest particles as well as the flow behaviour of these mixtures were examined. The flow performance of interactive mixtures was evaluated using measurements of conditioned bulk density, basic flowability energy, aeration energy and compressibility. With higher feed l-leucine concentrations, the surface roughness of small binder particles increased, while their cohesion decreased. Visual inspection of the SEM images of the blends indicated that the guest particles adhered to the surface of paracetamol resulting in effective formation of interactive mixtures. These images also showed that the low-cohesion guest particles were better de-agglomerated that consequently formed a more homogeneous interactive mixture with paracetamol compared with high-cohesion formulations. The flow performance of interactive mixtures changed as a function of the cohesion of the guest particles. Interactive mixtures with low-cohesion guest binder particles showed notably improved bulk flow performance compared with those containing high-cohesion guest binder particles. Thus, our study suggests that the cohesion of guest particles dictates the flow performance of interactive mixtures. Crown Copyright © 2016. Published by Elsevier B.V. All rights reserved.

  1. A room with a viewpoint revisited: descriptive norms and hotel guests' towel reuse behavior.

    Science.gov (United States)

    Bohner, Gerd; Schlüter, Lena E

    2014-01-01

    Field experiments on descriptive norms as a means to increase hotel guests' towel reuse [1] were replicated and extended. In two hotels in Germany (Study 1: N = 724; Study 2: N = 204), descriptive norm messages suggesting that 75% of guests had reused their towels, or a standard message appealing to environmental concerns, were placed in guests' bathrooms. Descriptive norm messages varied in terms of proximity of the reference group ("hotel guests" vs. "guests in this room") and temporal proximity (currently vs. two years previous). Reuse of towels was unobtrusively recorded. Results showed that reuse rates were high overall and that both standard and descriptive norm messages increased reuse rates compared to a no-message baseline. However, descriptive norm messages were not more effective than the standard message, and effects of proximity were inconsistent across studies. Discussion addresses cultural and conceptual issues in comparing the present findings with previous ones.

  2. Dissociation behavior of pellet shaped mixed gas hydrate samples that contain propane as a guest

    International Nuclear Information System (INIS)

    Kawamura, Taro; Sakamoto, Yasuhide; Ohtake, Michika; Yamamoto, Yoshitaka; Komai, Takeshi; Haneda, Hironori; Yoon, Ji-Ho; Ohga, Kotaro

    2006-01-01

    The dissociation kinetics of mixed gas hydrates that contain propane as a guest molecule have been investigated. The mixed gas hydrates used in this work were artificially prepared using the binary gas mixture of methane-propane and the ternary gas mixture of methane-ethane-propane. The crystal structures and the guest compositions of the mixed hydrates were clearly identified by using Raman spectroscopy and gas chromatography. The dissociation rates of the gas hydrates observed under several isothermal and isobaric conditions were discussed with an analytical model. The isobaric conditions were achieved by pressurizing with mixed gases using buffer cylinders, which had similar compositions to those of the initial gases used for synthesizing each hydrate sample. Interestingly, the calculated result agreed well with the experimentally observed results only when the composition of the vapor phase was assumed to be identical with that of the hydrate phase instead of the bulk (equilibrium) gas composition

  3. An outstanding guest

    CERN Multimedia

    2004-01-01

    The person celebrating CERN's 25th anniversary whose photograph we published last week was not just any guest. Readers have pointed out that it was Wim Klein, whose remarkable abilities are part of CERN's history. Well known as one of the best "human calculators", Wim was recruited by CERN in 1957 to verify computer programs, which at the time were still stumbling. Moreover, he regularly beat their speed in calculating and gave breath-taking demonstrations. During one such demonstration in September 1973, he calculated the 19th root of a 133-digit number in less than 2 minutes !

  4. Recruiting Future Engineers Through Effective Guest Speaking In Elementary School Classrooms

    Energy Technology Data Exchange (ETDEWEB)

    Kevin Young

    2007-11-01

    In this paper, the author describes how engineers can increase the number of future engineers by volunteering as guest speakers in the elementary school classroom. The paper is divided into three main subjects. First, the importance of engineers speaking directly with young students is discussed. Next, several best practice techniques for speaking with young students are described. Finally, information on getting started as a guest speaker is presented, and a list of resources available to guest speakers is provided. The guest engineer speaking to an elementary school audience (ages 6-11) performs a critical role in encouraging young students to pursue a career in engineering. Often, he or she is the first engineer these students meet in person, providing a crucial first impression of the engineering career field and a positive visual image of what an engineer really looks like. A dynamic speaker presenting a well-delivered talk creates a lasting, positive impression on students, influencing their future decisions to pursue careers in engineering. By reaching these students early in life, the guest speaker will help dispel the many prevailing stereotypes about engineers which discourage so many students, especially young women, from considering this career. The guest speaker can ensure young students gain a positive first impression of engineers and the engineering career field by following some best practice techniques in preparing for and delivering their presentation. The author, an electrical engineer, developed these best practice techniques over the past 10 years while presenting over 350 talks on engineering subjects to elementary school students as a volunteer speaker with the U.S. Department of Energy, Idaho National Laboratory’s Speakers Bureau. Every engineer can make a meaningful contribution toward reversing the predicted shortfall of future engineers by volunteering to speak with young students at the elementary school level. Elementary school

  5. A room with a viewpoint revisited: descriptive norms and hotel guests' towel reuse behavior.

    Directory of Open Access Journals (Sweden)

    Gerd Bohner

    Full Text Available Field experiments on descriptive norms as a means to increase hotel guests' towel reuse [1] were replicated and extended. In two hotels in Germany (Study 1: N = 724; Study 2: N = 204, descriptive norm messages suggesting that 75% of guests had reused their towels, or a standard message appealing to environmental concerns, were placed in guests' bathrooms. Descriptive norm messages varied in terms of proximity of the reference group ("hotel guests" vs. "guests in this room" and temporal proximity (currently vs. two years previous. Reuse of towels was unobtrusively recorded. Results showed that reuse rates were high overall and that both standard and descriptive norm messages increased reuse rates compared to a no-message baseline. However, descriptive norm messages were not more effective than the standard message, and effects of proximity were inconsistent across studies. Discussion addresses cultural and conceptual issues in comparing the present findings with previous ones.

  6. USULAN PERBAIKAN PROSES BISNIS DENGAN KONSEP BUSINESS PROCESS REENGINEERING (STUDI KASUS : PERMATA GUEST HOUSE

    Directory of Open Access Journals (Sweden)

    Bhaswara Adhitya Wardhana

    2013-04-01

    inadequate, resulting in the emergence of many complaints of stakeholders, that is, from the customer , and the internal employees. Key Performance Indicator (KPI used in the study of Permata Guest House is KPI derived from the Critical Success Factor (CSF. Performance measurements conducted on the basis of performance indicators which has been determined in preliminary observations along with the size and achievable targets for each indicator. From the initial observations obtained difference indicator morale and loyalty by 20%, amounting to 16.67% hospitality complaint, complaints, appearance and attitude at 16.67%, the occupancy rate of 30% marketing sales and service satisfaction by 77.78%. Based on the analysis of performance measurement and business process has obtained the factors that cause the performance of the business process does not meet the target, one of the settlement is to be able to improve performance by redesigning business processes using the Business Process Reengineering (BPR. From the results of the review of BPR needs  rethinking, redesign, and reto the business performance models. The results of the business process reengineering business processes such as standardization proposals, drafting mission and vision of the company, designing organizational structure and job description, and the preparation of Standard Operating Procedure Keywords: critical success factor, key performance indicators, business process reengineering

  7. Host-guest complexes of 2-hydroxypropyl-β-cyclodextrin/β-cyclodextrin and nifedipine: 1H NMR, molecular modeling, and dissolution studies

    Science.gov (United States)

    de Araújo, Márcia Valéria Gaspar; Vieira, João Victor Francisco; da Silva, Caroline W. P.; Barison, Andersson; Andrade, George Ricardo Santana; da Costa, Nivan Bezerra; Barboza, Fernanda Malaquias; Nadal, Jessica Mendes; Novatski, Andressa; Farago, Paulo Vitor; Zawadzki, Sônia Faria

    2017-12-01

    Nifedipine (NIF) is a hydrophobic drug widely used for treating cardiovascular diseases. This calcium channel blocker can present a higher apparent solubility by its inclusion into different cyclodextrins (CDs) as host-guest complexes. This paper focused on the structural investigation and dissolution behavior of inclusion complexes prepared with 2-hydroxypropyl-β-cyclodextrin (HPβCD) or β-cyclodextrin (βCD) and NIF. Drug amorphization was observed for HPβCD/NIF and βCD/NIF inclusion complexes by X-ray diffractometry (XRD). The sharp endothermic peak of NIF was not observed for these both host-guest complexes by differential scanning calorimetry (DSC). These results of XRD and DSC provide evidences of complexation between drug and the investigated CDs. 1H and saturation transfer difference nuclear magnetic resonance studies revealed the enhancement in the signal at 2.27 ppm for HPβCD/NIF and βCD/NIF inclusion complexes that corresponded to the methyl groups of NIF from the non-aromatic ring. This result suggested that non-aromatic ring of NIF was inserted into HPβCD and βCD cavities. Considering the mathematical simulations, it was observed that the inclusion process can occur in the both NH-in or NH-out forms. However, since it was used aqueous medium, it is possible to indicate that the obtained host-guest complexes HPβCD/NIF and βCD/NIF are in NH-in form which corresponded to the previous results obtained by 1H NMR experiments. Dissolution assays demonstrated that NIF inclusion complexes improved the drug release nevertheless without changing its biexponential release behavior. These host-guest complexes can be further used as feasible NIF carriers in solid dosage forms.

  8. A Student-Centered Guest Lecturing: A Constructivism Approach to Promote Student Engagement

    Science.gov (United States)

    Li, Lei; Guo, Rong

    2015-01-01

    Student engagement has become a big challenge in higher education, especially when distance learning is getting more and more popular. Guest lecturing is a popular method to bring relevance to the classroom and engage in students. Ground on the theory of constructivism, this paper introduces a student-centered guest lecturing that allows students…

  9. Prospective Observations of Discomfort, Pain, and Dyspnea in Nursing Home Residents With Dementia and Pneumonia

    NARCIS (Netherlands)

    Maaden, T. van der; Steen, J.T. van der; Vet, H.C. de; Hertogh, C.M.; Koopmans, R.T.

    2016-01-01

    OBJECTIVES: To describe observations of suffering in patients with dementia from the diagnosis of pneumonia until cure or death. DESIGN: Prospective observational study between January 2012 and May 2014. SETTING: Dutch nursing homes (32). PARTICIPANTS: Nursing home patients with dementia and

  10. Vibrational spectroscopic and gravimetric study of some Hofmann-CBA-Type Host and host-guest compounds

    International Nuclear Information System (INIS)

    Aytekin, M.A.

    2005-01-01

    In this study, similar to Hofmann type M(C 4 H 7 NH 2 ) 2 Ni(CN) 4 (M=Ni or Co) host and M(C 4 H 7 NH 2 ) 2 Ni(CN) 4 .nG (M=Ni or Co; G=benzene, 1,2-, 1,3-dichlorobenzene; n=the number of guest) hostguest compounds were obtained chemically. The infrared spectra of these compounds were recorded with FT-IR spectrometer in the spectroscopic region of 4000cm-1-400cm-1. From these spectra the vibrational wave numbers of ligand molecule, Ni(CN) 4 2 - ion and guest molecules were determined. The absorption and the liberation processes of the guest molecules in the host compounds were examined at room temperature by gravimetric method. Otherwise, it was seen that the molecular structure was supported by making instrumental analysis of host and some host-guest compounds. By analysing the structures of host and host-guest compounds were found to be similar to those of Hofmann type compounds, ligand molecule cyclobutylamine were coordinated to M metal atom from cyclobutylamine's nitrogen atom, the guest molecules were imprisoned in the structural cavities between the sheets

  11. Photocaged Competitor Guests: A General Approach Toward Light-Activated Cargo Release From Cucurbiturils.

    Science.gov (United States)

    Romero, Miguel A; Basílio, Nuno; Moro, Artur J; Domingues, Mara; González-Delgado, José A; Arteaga, Jesús F; Pischel, Uwe

    2017-09-21

    A general approach toward the light-induced guest release from cucurbit[7]uril by means of a photoactivatable competitor was devised. An o-nitrobenzyl-caged competitor is photolyzed to generate a competitive guest that can displace cargo from the host macrocycle solely based on considerations of chemical equilibrium. With this method the release of terpene guests from inclusion complexes with cucurbit[7]uril was demonstrated. The binding of the herein investigated terpenes, all being lead fragrant components in essential oils, has been characterized for the first time. They feature binding constants of up to 10 8  L mol -1 and a high differential binding selectivity (spanning four orders of magnitude for the binding constants for the particular set of terpenes). By fine-tuning the photoactivatable competitor guest, selective and also sequential release of the terpenes was achieved. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  12. Investigating the relationship between two home numeracy measures: A questionnaire and observations during Lego building and book reading.

    Science.gov (United States)

    Mutaf Yildiz, Belde; Sasanguie, Delphine; De Smedt, Bert; Reynvoet, Bert

    2018-06-01

    Home numeracy has been defined as the parent-child interactions that include experiences with numerical content in daily-life settings. Previous studies have commonly operationalized home numeracy either via questionnaires or via observational methods. These studies have shown that both types of measures are positively related to variability in children's mathematical skills. This study investigated whether these distinctive data collection methods index the same aspect of home numeracy. The frequencies of home numeracy activities and parents' opinions about their children's mathematics education were assessed via a questionnaire. The amount of home numeracy talk was observed via two semi-structured videotaped parent-child activity sessions (Lego building and book reading). Children's mathematical skills were examined with two calculation subtests. We observed that parents' reports and number of observed numeracy interactions were not related to each other. Interestingly, parents' reports of numeracy activities were positively related to children's calculation abilities, whereas the observed home numeracy talk was negatively related to children's calculation abilities. These results indicate that these two methods tap on different aspects of home numeracy. Statement of contribution What is already known on this subject? Home numeracy, that is, parent-child interactions that include experiences with numerical content, is supposed to have a positive impact on calculation or mathematical ability in general. Despite many positive results, some studies have failed to find such an association. Home numeracy has been assessed with questionnaires on the frequency of numerical experiences and observations of parent-child interactions; however, those two measures of home numeracy have never been compared directly. What does this study add? This study assessed home numeracy through questionnaires and observations in the 44 parent-child dyads and showed that home numeracy

  13. Cucurbit[8]uril-Containing Multilayer Films for the Photocontrolled Binding and Release of a Guest Molecule.

    Science.gov (United States)

    Nicolas, Henning; Yuan, Bin; Zhang, Xi; Schönhoff, Monika

    2016-03-15

    The powerful host-guest chemistry of cucurbit[8]uril (CB[8]) was employed to obtain photoresponsive polyelectrolyte multilayer films for the reversible and photocontrolled binding and release of an organic guest molecule. For this purpose, we designed and synthesized a polyelectrolyte with azobenzene side groups. Then, CB[8] was associated with the azo side group to obtain a supramolecular host-guest complex that was further used as building block in order to prepare photoresponsive and CB[8]-containing polyelectrolyte multilayer films. Ultraviolet spectroscopy and a dissipative quartz crystal microbalance are employed to monitor the formation of the host-guest complex and the layer-by-layer self-assembly of the multilayer films, respectively. We demonstrate that the photoresponsive properties of the azo side groups are maintained before and after host-guest complexation with CB[8] in solution and within the multilayer films, respectively. A guest molecule was then specifically included as second binding partner into the CB[8]-containing multilayer films. Subsequently, the release of the guest was performed by UV light irradiation due to the trans-cis isomerization of the adjacent azo side groups. Re-isomerization of the azo side groups was achieved by VIS light irradiation and enabled the rebinding of the guest into CB[8]. Finally, we demonstrate that the photocontrolled binding and release within CB[8]-containing multilayer films can reliably and reversibly be performed over a period of more than 2 weeks with constant binding efficiency. Therefore, we expect such novel type of photosensitive films to have promising future applications in the field of stimuli-responsive nanomaterials.

  14. At Home with Students – Observing Online and Offline Contexts

    Directory of Open Access Journals (Sweden)

    Anita Lyngsø

    2015-11-01

    Full Text Available This article reflects the methodological challenges presented in the research process, where the principle of 'following the field’ means that the researcher must also follow students engaged in online activities in their own homes. The ethnographic studies are a part of a PhD project on “NETeducation,” a full-scale development project in nursing education (Lyngsø, 2014. With a focus on online professional education as the starting point, the process of research will follow the shifting learning process, through phases in the virtual classroom and in the students’ own homes.Research in online contexts demands a rethinking of the traditional ethnographic approach (Hammersley, 2006; Hine, 2005, sharpening the focus on the online and offline contexts, and the shifting between them (Webster, da Silva, 2013. The methodological reflections in the first part of this article can relate to this division due to the “netstudents” activities in studying online at home. On the other hand, the dichotomy between online and offline contexts is found to be inadequate, during the observations conducted. In light of some preliminary findings, the challenges of observing online and offline activities almost simultaneously are considered, despite a dearth of literature existing on this subject.

  15. Magnetic ordering in TCNQ-based metal–organic frameworks with host–guest interactions

    Energy Technology Data Exchange (ETDEWEB)

    Zhang, Xuan; Saber, Mohamed R.; Prosvirin, Andrey P.; Reibenspies, Joseph H.; Sun, Lei; Ballesteros-Rivas, Maria; Zhao, Hanhua; Dunbar, Kim R. (MIT); (TAM)

    2015-09-03

    Host–guest interactions between the aromatic molecules benzene, toluene, aniline and nitrobenzene and the redox-active TCNQ-based metal–organic framework (MOF), Fe(TCNQ)(4,4'-bpy) (1) (TCNQ = 7,7,8,8-tetracyanoquinodimethane), have been found to modulate spontaneous magnetization behaviours at low temperatures. An analogous MOF, Mn(TCNQ)(4,4'-bpy) (2) with isotropic Mn(II) ions as well as the two-dimensional compound Fe(TCNQ)(DMF)2·2DMF (3·2DMF), were also prepared as models for studying the effects of single-ion magnetic anisotropy and structural distortion on spin canting. The results indicate guest-dependent long range magnetic ordering occurs at low temperatures, which correlates with the electrostatic and steric effects of the incorporated aromatic guests.

  16. Thermodynamic Stability of Structure H Hydrates Based on the Molecular Properties of Large Guest Molecules

    OpenAIRE

    Tezuka, Kyoichi; Taguchi, Tatsuhiko; Alavi, Saman; Sum, Amadeu K.; Ohmura, Ryo

    2012-01-01

    This paper report analyses of thermodynamic stability of structure-H clathrate hydrates formed with methane and large guest molecules in terms of their gas phase molecular sizes and molar masses for the selection of a large guest molecule providing better hydrate stability. We investigated the correlation among the gas phase molecular sizes, the molar masses of large molecule guest substances, and the equilibrium pressures. The results suggest that there exists a molecular-size value for the ...

  17. Business Guests Satisfaction in the Hotel Industry: A Case Study of North American Hotel Chains

    OpenAIRE

    Milan Bradić; Ljiljana Kosar; Bojana Kalenjuk

    2013-01-01

    This paper considers the problem of satisfaction of business guests with hotel brands in North America. In analysis we used the guests responses (scores) given for 12 different elements of hotel product. In order to arrive at more accurate results, monitored hotel chains are grouped into price tiers. The aim of this paper is to indicate what facilities and services the North American business guests appreciate most. Industry trends and results may be beneficial to all hoteliers, especially in...

  18. Engineering responsive polymer building blocks with host-guest molecular recognition for functional applications.

    Science.gov (United States)

    Hu, Jinming; Liu, Shiyong

    2014-07-15

    CONSPECTUS: All living organisms and soft matter are intrinsically responsive and adaptive to external stimuli. Inspired by this fact, tremendous effort aiming to emulate subtle responsive features exhibited by nature has spurred the invention of a diverse range of responsive polymeric materials. Conventional stimuli-responsive polymers are constructed via covalent bonds and can undergo reversible or irreversible changes in chemical structures, physicochemical properties, or both in response to a variety of external stimuli. They have been imparted with a variety of emerging applications including drug and gene delivery, optical sensing and imaging, diagnostics and therapies, smart coatings and textiles, and tissue engineering. On the other hand, in comparison with molecular chemistry held by covalent bonds, supramolecular chemistry built on weak and reversible noncovalent interactions has emerged as a powerful and versatile strategy for materials fabrication due to its facile accessibility, extraordinary reversibility and adaptivity, and potent applications in diverse fields. Typically involving more than one type of noncovalent interactions (e.g., hydrogen bonding, metal coordination, hydrophobic association, electrostatic interactions, van der Waals forces, and π-π stacking), host-guest recognition refers to the formation of supramolecular inclusion complexes between two or more entities connected together in a highly controlled and cooperative manner. The inherently reversible and adaptive nature of host-guest molecular recognition chemistry, stemming from multiple noncovalent interactions, has opened up a new platform to construct novel types of stimuli-responsive materials. The introduction of host-guest chemistry not only enriches the realm of responsive materials but also confers them with promising new applications. Most intriguingly, the integration of responsive polymer building blocks with host-guest recognition motifs will endow the former with

  19. The hotel comment card: a motivator of guest satisfaction

    Directory of Open Access Journals (Sweden)

    Alfred W. Ogle

    2013-12-01

    Full Text Available This   paper   explores   the   traditional   pen   and   paper   hotel   comment   card   (HCC   from   the  guests’  perspective  to  gain  an  insight  and  to  improve  its  effectiveness.  The  HCC  has  long  been   the  predominant  method  of  soliciting  guest  feedback.  Although  electronic  methods  of  collection  are  now  available  the  HCC  has  a  sense  of  familiarity,  has  general  acceptance,  and   is   widely   employed.   Initially,   a   literature   review   of   the   hotel   comment   card   is  provided.  Then,  the  study  explores  how  frequent  guests  categorize  HCC  attributes.  These  attributes  are  then  extended  to  include  evaluation  criteria  identified  in  the  literature  and  desired  by  hotel  managers.    The  extended  evaluation  criterion  is  then  used  to  explore  how  frequent  hotel  guests  believe  that  future  HCCs  may  motivate  guests  to  provide  feedback   and   assist   in   the   co-­creation   of   value.   The   overall   finding   is   that   the   HCCs   design   and  execution  can  be  improved.

  20. Cluster analysis as a tool of guests segmentation by the degree of their demand

    Directory of Open Access Journals (Sweden)

    Damijan Mumel

    2002-01-01

    Full Text Available Authors demonstrate the use of cluster analysis in finding out (ascertaining the homogenity/heterogenity of guests as to the degree of their demand. The degree of guests’ demand is defined according to the importance of perceived service quality components measured by SERVQUAL, which was adopted and adapted, according to the specifics of health spa industry in Slovenia. Goals of the article are: (a the identification of the profile of importance of general health spa service quality components, and (b the identification of groups of guests (segments according to the degree of their demand in the research in 1991 compared with 1999. Cluster analysis serves as useful tool for guest segmentation since it reveals the existence of important differences in the structure of guests in the year 1991 compared with the year 1999. The results serve as a useful database for management in health spas.

  1. Structural transitions and guest/host complexing of liquid crystal helical nanofilaments induced by nanoconfinement.

    Science.gov (United States)

    Kim, Hanim; Ryu, Seong Ho; Tuchband, Michael; Shin, Tae Joo; Korblova, Eva; Walba, David M; Clark, Noel A; Yoon, Dong Ki

    2017-02-01

    A lamellar liquid crystal (LC) phase of certain bent-core mesogenic molecules can be grown in a manner that generates a single chiral helical nanofilament in each of the cylindrical nanopores of an anodic aluminum oxide (AAO) membrane. By introducing guest molecules into the resulting composite chiral nanochannels, we explore the structures and functionality of the ordered guest/host LC complex, verifying the smectic-like positional order of the fluidic nematic LC phase, which is obtained by the combination of the LC organization and the nanoporous AAO superstructure. The guest nematic LC 4'- n -pentyl-4-cyanobiphenyl is found to form a distinctive fluid layered ordered LC complex at the nanofilament/guest interface with the host 1,3-phenylene bis[4-(4-nonyloxyphenyliminomethyl)benzoate], where this interface contacts the AAO cylinder wall. Filament growth form is strongly influenced by mixture parameters and pore dimensions.

  2. The "third option": Oscilliatory migrations of retired guest workers

    Directory of Open Access Journals (Sweden)

    Antonijević Dragana

    2016-01-01

    Full Text Available The subject of this study is focused on new migration tendencies of retired guest workers. This paper represents one part of a study conducted during 2014 in eastern Serbia and Vienna regarding life strategies of retired labor migrants. In domestic (Serbian social sciences this subject was neglected, but recently it has attracted global social scientific attention with an idea of interdisciplinary merge of migration and age studies. To the day, global literature has only covered retired migrant laborers return to their home countries, but recent studies show changes in migration tendencies of retired laborers of many different nationalities, who have spent their work age in Western Europe. These new migration patterns were called “oscillatory movement” or as a new, alternative “third option”. They are only a form of seasonal and circular migrations which present the most dominant fashion of modern migrant mobility in Europe. Therefore we wanted to see what is the situation with labor migrants from Serbia – do they return to Serbia once they retire or not, and what are their reasons for choosing to live on “two addresses”. [Projekat Ministarstva nauke Republike Srbije, br. 177035: Antropološko proučavanje Srbije – od kulturnog nasleđa do modernog društva

  3. Business Guests Satisfaction in the Hotel Industry: A Case Study of North American Hotel Chains

    Directory of Open Access Journals (Sweden)

    Milan Bradić

    2013-04-01

    Full Text Available This paper considers the problem of satisfaction of business guests with hotel brands in North America. In analysis we used the guests responses (scores given for 12 different elements of hotel product. In order to arrive at more accurate results, monitored hotel chains are grouped into price tiers. The aim of this paper is to indicate what facilities and services the North American business guests appreciate most. Industry trends and results may be beneficial to all hoteliers, especially in business tourism segment.

  4. Enhancement of Wound Healing in Normal and Diabetic Mice by Topical Application of Amorphous Polyphosphate. Superior Effect of a Host–Guest Composite Material Composed of Collagen (Host and Polyphosphate (Guest

    Directory of Open Access Journals (Sweden)

    Werner E.G. Müller

    2017-07-01

    Full Text Available The effect of polyphosphate (polyP microparticles on wound healing was tested both in vitro and in a mice model in vivo. Two approaches were used: pure salts of polyphosphate, fabricated as amorphous microparticles (MPs, consisting of calcium and magnesium salts of polyP, “Ca–polyp-MPs” and “Mg–polyp-MPs”, and host–guest composite particles, prepared from amorphous collagen (host and polyphosphate (guest, termed “col/polyp-MPs”. Animal experiments with polyP on healing of excisional wounds were performed using both normal mice and diabetic mice. After a healing period of 7 days “Ca–polyp-MP” significantly improved re-epithelialization in normal mice from 31% (control to 72% (polyP microparticle-treated. Importantly, in diabetic mice, particularly the host–guest particles “col/polyp-MP”, increased the rate of re-epithelialization to ≈40% (control, 23%. In addition, those particles increased the expression of COL-I and COL-III as well as the expression the α-smooth muscle actin and the plasminogen activator inhibitor-1. We propose that “Ca–polyp-MPs”, and particularly the host–guest “col/polyp-MPs” are useful for topical treatment of wounds.

  5. Inquiry about key dimensions of service qualities and guests satisfaction in restaurants

    Directory of Open Access Journals (Sweden)

    Dimitrovski Darko D.

    2013-01-01

    Full Text Available A lot of marketing experts in catering, restaurants especially, have recently been preoccupied by measuring the service quality. Business in competitive and turbulent surrounding requires that restaurants continually improve their products, which is based on guests specific demands and wishes. Comprehension of how consumers see catering offer and research on factors that determine consumers satisfaction are the key for achieving business aims. The aim of this study is an identification of key components of service qualities which restaurants and their influence on guests satisfaction offer. Measures of descriptive statistics, explorative factor and multiple regressive analysis were used in order to achieve the aims of the research. The facts were collected by using the survey. Results of the research highlight 3 key elements of the service quality that restaurants offer and those are: professionalism of personnel, understanding of guests, paying individual attention and meeting specific demands. The first two components include attributes that evince statistically important influence on guests satisfaction. Finds of conducted survey help managers and restaurateurs determine factors they will focus on during the making marketing strategy which will supply high level of consumers satisfaction on one side, and long-term profitability on the other side.

  6. Host-guest complexes between cucurbit[n]urils and acetanilides having aminopropyl units.

    Science.gov (United States)

    Buaki-Sogo, Mireia; Montes-Navajas, Pedro; Alvaro, Mercedes; Garcia, Hermenegildo

    2013-06-01

    2-(Propylamino)acetamide of aniline (1a), and bis-2-(propylamino)acetamide of ortho- (1b) and para-(1c) phenylenediamine form host-guest complexes with CB[6], CB[7] and CB[8] as evidenced by the variations in the (1)H NMR spectroscopy chemical shifts and observation in MALDI-TOF-MS and ESI-MS of ions at the corresponding mass. Binding constants for the 1:1 complexes were estimated from fluorescence titrations and were in the range 10(5)-10(6)M(-1). Models based on molecular mechanics for these supramolecular complexes are provided. In spite of the different geometries arising from the ortho- or para-substitution, phenylenediamides form complexes of similar strength in which the hydrophobic alkyl chains are accommodated inside the host cavity. Formation of these host-guest complexes in the solid state was also achieved by modifying an aminopropyl silica with chloroacetanilides and preparing three silica having analogues of compounds 1a-c anchored to the solid particles. Titrations showed, however, that these solids can adsorb a large percentage of CBs by unselective interactions that are not related to the formation of inclusion complexes. Copyright © 2013 Elsevier Inc. All rights reserved.

  7. Guest-responsive structural adaptation of a rationally-designed ...

    Indian Academy of Sciences (India)

    adaptability of the TB core to undergo subtle structural changes in response to the guest that is included. The structural ... we report the design, synthesis and inclusion behaviour of a novel ..... Based on a rational design, we have shown from ...

  8. The educational attainment of the children of the Danish ”guest worker” immigrants

    DEFF Research Database (Denmark)

    Jakobsen, Vibeke; Smith, Nina

    This paper analyses the educational attainment of young first generation immigrants in Denmark who are children of the ‘guest workers’ who immigrated from Turkey, Pakistan and Ex-Yugoslavia in the late 1960s and early 1970s. Beside the traditional intergenerational transmission mechanism, we...... analyse potential immigrant-specific factors as language proficiency, attending mother-tongue courses and expectations concerning out or return migration from Denmark. The results show that intergenerational transmission effects are strong among ‘guest worker’ immigrants, especially among men. Other...... important factors are Danish language proficiency, age at first marriage and a number variables reflecting parents’ and own attitudes concerning education, marriage and family. However, the ‘guest worker’ immigrants are not a homogenous group. The analyses reveal large differences between Turkish, Pakistani...

  9. The synthesis and host-guest applications of synthetic receptor molecules

    Science.gov (United States)

    Osner, Zachary R.

    2011-12-01

    Host-guest chemistry involves the complimentary binding between two molecules. Host molecules have been synthesized to bind negative, positive, and neutral molecules such as proteins and enzymes, and have been used as optical sensors, electrochemical sensors, supramolecular catalysts, and in the pharmaceutical industry as anti-cancer agents.1 The field of nanoscience has exploited guest-host interactions to create optical sensors with colloidal gold and Dip-Pen nanolithography technologies. Gold nanoparticles, have been functionalized with DNA, and have been developed as a selective colorimetric detection system, that upon binding turns the solution from a red to blue in color.2 Cyclotriveratrylene (CTV) 1 is a common supramolecular scaffold that has been previously employed in guest-host chemistry, and the construction of CTV involves the cyclic trimerization of veratryl alcohol via the veratryl cation.3 Due to the rigid bowl shaped structure of CTV, CTV has been shown to act as a host molecule for fullerene-C60.4 Lectin binding receptor proteins are a specific class of proteins found in bacteria, viruses, plants, and animals that can bind to complimentary carbohydrates. It is these lectins that are believed to be responsible for cell-cell interactions and the formation of biofilms in pathenogenic bacteria.5 P. aeruginosa is a pathenogenic bacterium, shown to have a high resistance to many antibiotics, which can form biofilms in human lung tissue, causing respiratory tract infections in patients with compromised immune systems. 5 I will exploit guest-host interactions to create synthetic supramolecular and carbohydrate receptor molecules to that will be of use as biological sensing devices via self-assembled monolayers on solid surfaces and nanoparticle technologies. *Please refer to dissertation for references/footnotes.

  10. Home-School Relations. The Montessori Observer. Volume 30, Number 1

    Science.gov (United States)

    International Montessori Society (NJ3), 2009

    2009-01-01

    "The Montessori Observer" is mailed four times each year, in March, May, September and November, to Society members throughout the world. The purpose is to provide news and information about the Society's work in Montessori education, and to extend awareness. This issue contains a feature article, "Home-School Relations," by…

  11. Safe medication management in specialized home healthcare - an observational study.

    Science.gov (United States)

    Lindblad, Marléne; Flink, Maria; Ekstedt, Mirjam

    2017-08-24

    Medication management is a complex, error-prone process. The aim of this study was to explore what constitutes the complexity of the medication management process (MMP) in specialized home healthcare and how healthcare professionals handle this complexity. The study is theoretically based in resilience engineering. Data were collected during the MMP at three specialized home healthcare units in Sweden using two strategies: observation of workplaces and shadowing RNs in everyday work, including interviews. Transcribed material was analysed using grounded theory. The MMP in home healthcare was dynamic and complex with unclear boundaries of responsibilities, inadequate information systems and fluctuating work conditions. Healthcare professionals adapted their everyday clinical work by sharing responsibility and simultaneously being authoritative and preserving patients' active participation, autonomy and integrity. To promote a safe MMP, healthcare professionals constantly re-prioritized goals, handled gaps in communication and information transmission at a distance by creating new bridging solutions. Trade-offs and workarounds were necessary elements, but also posed a threat to patient safety, as these interim solutions were not systematically evaluated or devised learning strategies. To manage a safe medication process in home healthcare, healthcare professionals need to adapt to fluctuating conditions and create bridging strategies through multiple parallel activities distributed over time, space and actors. The healthcare professionals' strategies could be integrated in continuous learning, while preserving boundaries of safety, instead of being more or less interim solutions. Patients' and family caregivers' as active partners in the MMP may be an underestimated resource for a resilient home healthcare.

  12. Multifunctional guest-host particles engineered by reversal nanoimprint lithography

    Science.gov (United States)

    Ha, Uh-Myong; Kaban, Burhan; Tomita, Andreea; Krekić, Kristijan; Klintuch, Dieter; Pietschnig, Rudolf; Ehresmann, Arno; Holzinger, Dennis; Hillmer, Hartmut

    2018-03-01

    Particulate polymeric microfibers with incorporated europium(III)oxide (Eu2O3) nanoparticles were introduced as a magneto-photoluminescent multifunctional material fabricated via reversal nanoimprint lithography. To specifically address the volume properties of these guest-host particles, the guest, Eu2O3, was milled down to an average particle size of 350 nm in diameter and mixed with the host-polymer, AMONIL®, before in situ hardening in the imprint stamp. The variation of the fabrication process parameters, i.e. delay time, spin coating speed, as well as the concentration of Eu2O3 nanoparticles was proven to have a significant impact on both the structure quality and the stamp release of the microfibers with respect to the formation of a thinner residual layer. Structural characterization performed by SEM revealed optimum fabrication process parameters for a homogeneous spatial distribution of Eu2O3 nanoparticles within the microfibers while simultaneously avoiding the formation of undesired agglomerates. The magneto-photoluminescent properties of Eu2O3 nanoparticles, i.e. a red emission at 613 nm and a paramagnetic response, were found to be superimposed to the optic and the diamagnetic behaviors of AMONIL®. The results imply that guest-host interdependence of these properties can be excluded and that the suggested technique enables for specific tailoring of particulate multifunctional materials with focus on their volume properties.

  13. Leadership Lessons Learned From Being A Guest When The Hotel Was Overbooked

    OpenAIRE

    Kennedy, Doug

    2017-01-01

    Earlier this month I observed a difficult situation playing out at hotel where I was a guest, and it provided an invaluable reminder of just how important effective leadership is when things go wrong in the hotel business. The story is that I was traveling back from a trip to the Middle East where I had taken my college age daughter to practice the Arabic she is learning at University. To split up 16 hours of flying time, I planned for us to stay overnight in Rome, Italy at a hotel I had ...

  14. A Qualitative Study Among Mexican Americans to Understand Factors Influencing the Adoption and Enforcement of Home Smoking Bans.

    Science.gov (United States)

    Savas, Lara S; Mullen, Patricia Dolan; Hovell, Melbourne F; Escoffrey, Cam; Fernandez, Maria E; Jones, Jennifer A; Cavazos, Jazmine; Gutierrez Monroy, Jo Ann A; Kegler, Michelle C

    2017-11-07

    One-third of Mexican-American children, in addition to nonsmoker adults, are exposed to secondhand smoke at home, yet few interventions target Mexican-American households. An effective, brief English language program, tested with United Way 2-1-1 callers in Atlanta, increased home smoking bans (confirmed by air monitors). Two randomized controlled trials in North Carolina and Texas replicated those results. We explored factors determining adoption and enforcement of smoking bans in Mexican-American households to inform program linguistic and cultural adaptation to broaden program reach and relevance. Bilingual interviewers recruited convenience samples of Mexican-American smokers and nonsmokers living with at least one smoker in Houston and San Diego households and asked open-ended questions regarding conditions for implementing home and vehicle smoking bans and conditions for varying acceptance of bans. Investigators independently reviewed English transcripts and completed a descriptive analysis using ATLAS.ti. Participants (n = 43) were predominantly female (n = 31), current smokers (n = 26), interviewed in Spanish (n = 26), had annual household incomes less than $30000 (n = 24), and allowed smoking inside the home (n = 24). Themes related to difficulty creating and enforcing bans included courtesy, respect for guests and heads of household who smoke, and gender imbalances in decision making. Participants viewed protecting children's health as a reason for the ban but not protecting adult nonsmokers' health. A dual-language, culturally adapted intervention targeting multigenerational Mexican-American households should address household differences regarding language and consider influences of cultural values on family dynamics and interactions with guests that may weaken bans. Qualitative interviews suggested cultural and family considerations to address in adapting a brief evidence-based smoke-free homes intervention for Mexican Americans, including traditional

  15. Synthesis and Guest Recognition of Switchable Pt-Salphen Based Molecular Tweezers

    Directory of Open Access Journals (Sweden)

    Lorien Benda

    2018-04-01

    Full Text Available Molecular tweezers are artificial receptors that have an open cavity generated by two recognition units pre-organized by a spacer. Switchable molecular tweezers, using a stimuli-responsive spacer, are particularly appealing as prototypes of the molecular machines that combine mechanical motion and allosteric recognition properties. In this present study, the synthesis of switchable molecular tweezers composed of a central terpyridine unit substituted in 4,4″ positions by two Pt(II-salphen complexes is reported. The terpyridine ligand can be reversibly converted upon Zn(II coordination from a free ‘U’-shaped closed form to a coordinated ‘W’ open form. This new substitution pattern enables a reverse control of the mechanical motion compared to the previously reported 6,6″ substituted terpyridine-based tweezers. Guest binding studies with aromatic guests showed an intercalation of coronene in the cavity created by the Pt-salphen moieties in the closed conformation. The formation of 1:1 host-guest complex was investigated by a combination of NMR studies and DFT calculations.

  16. Hotel guest's $14.5 million jury verdict set aside on appeal.

    Science.gov (United States)

    1999-08-20

    A Missouri Court of Appeals judge reversed a $14.5 million judgement against [name removed] Inc., which had been held liable for the beating and sexual assault of a guest in its hotel. The guest, identified as [name removed], had requested an upgrade to a concierge room, to increase her safety, but the hotel did not fill her request. When [name removed] opened her hotel room door the next morning, an assailant attacked, beat and raped her. The assailant escaped hotel security, but was later apprehended. The initial case against [name removed] and the assailant resulted in a $22.5 million judgement for [name removed] Both parties appealed. [Name removed] prevailed in its argument that the initial trial judge misinstructed the jury, and that [name removed] was unable to show clear and convincing evidence that the hotel's willful or conscious disregard for guest safety caused the situation. However, the court ruled against [name removed] on the basis of [name removed]'s fear-of-AIDS claim, because of her exposure to the virus.

  17. Deciphering the perturbation effect of urea on the supramolecular host-guest interaction of biologically active hydrophobic molecule inside the nanocavity of cyclodextrins

    Energy Technology Data Exchange (ETDEWEB)

    Maity, Banibrata; Chatterjee, Aninda; Ahmed, Sayeed Ashique; Seth, Debabrata, E-mail: debabrata@iitp.ac.in

    2017-03-15

    The present work articulates the supramolecular interaction and the formation of host-guest complex between the biologically active hydrophobic coumarin derivative and cyclodextrins by using several spectroscopic, calorimetric and microscopic techniques. All the studies clearly revealed that in presence of cyclodextrins (CDs), coumarin forms 1:1 stoichiometric complex. From all the study, we have found that with gradual increasing the cavity diameter of the hosts, the binding efficiency of the complexes gradually increases. The small population of the non emissive twisted intramolecular charge transfer (TICT) state of coumarin molecule turns into highly emissive in presence of γ-CD owing to its greater cavity diameter. The emissive TICT band is not found in β-CD complex due to its comparative small hydrophilic exterior and less polar environment. The present finding also interpret the perturbation effect of urea on host-guest complexes. In the presence of urea, the TICT emissive band of γ-CD is completely diminished. From, {sup 1}H NMR study it was observed that –NEt{sub 2} moiety of 7-DCCAE molecule is deeply buried inside the hydrophobic cavity of the CDs and forms host-guest complexes. Isothermal titration calorimetry measurement also indicates the formation of 1:1 host-guest complexes.

  18. Binding of chemical warfare agent simulants as guests in a coordination cage: contributions to binding and a fluorescence-based response.

    Science.gov (United States)

    Taylor, Christopher G P; Piper, Jerico R; Ward, Michael D

    2016-05-07

    Cubic coordination cages act as competent hosts for several alkyl phosphonates used as chemical warfare agent simulants; a range of cage/guest structures have been determined, contributions to guest binding analysed, and a fluorescent response to guest binding demonstrated.

  19. Host-Guest Interaction between Corona[n]arene and Bisquaternary Ammonium Derivatives for Fabricating Supra-Amphiphile.

    Science.gov (United States)

    Zeng, Lingda; Guo, Qing-Hui; Feng, Yuanning; Xu, Jiang-Fei; Wei, Yuhan; Li, Zhibo; Wang, Mei-Xiang; Zhang, Xi

    2017-06-13

    The interactions between a host, water-soluble corona[n]arene (S6-CAP), and a series of guests, bisquaternary ammonium derivatives (CnDAs), in water, were investigated. The host and guest can form 1:1 host-guest complex. Their binding constants decrease as the alkyl length of CnDAs increases, which can be tunable ranging from 10 3 to 10 6 M -1 . The binding processes are mainly entropy-driven, while the enthalpy changes also play an important role in enhancing the host-guest interactions. In addition, a supra-amphiphile was fabricated with S6-CAP and a normal surfactant bearing bisquaternary ammonium (C4R). The S6-CAP·C4R complex forms micellar aggregates in water, and the system possesses better assembling activity and dilution stability than its building block C4R. This study enriches the families of supra-amphiphiles with a new architecture, and employing such a supra-amphiphile in biofunctional materials is highly anticipated.

  20. Guest Editorial: Health financing lessons from Thailand for South ...

    African Journals Online (AJOL)

    Guest Editorial: Health financing lessons from Thailand for South Africa on the path towards universal health coverage. Mark Blecher, Anban Pillay, Walaiporn Patcharanarumol, Warisa Panichkriangkrai, Viroj Tangcharoensathien, Yot Teerawattananon, Supasit Pannarunothai, Jonatan Davén ...

  1. Perception of service quality in agrotourism accommodations: Impact on guest loyalty and re-visit intentions

    Directory of Open Access Journals (Sweden)

    Chryssoula Chatzigeorgiou

    2017-03-01

    Full Text Available This study presents the development of a conceptual model that demonstrates the dynamic nature of the relationship between service quality and guest satisfaction in the agrotourism accommodation sector, based on theories derived from social psychology and previous research in the marketing, management, and services literature. The model was tested using sample data from guests of four different agrotourism firms, and was modified because of empirical results. The final model improves understanding of the relationship between service quality and guest satisfaction because these constructs were examined from the process perspective of an agrotourism accommodation experience; it portrays service quality and satisfaction in the context of a complete system.

  2. Tailoring the Adsorption and Reaction Chemistry of the Metal-Organic Frameworks UiO-66, UiO-66-NH2, and HKUST-1 via the Incorporation of Molecular Guests.

    Science.gov (United States)

    Ploskonka, Ann M; DeCoste, Jared B

    2017-06-28

    Metal-organic frameworks (MOFs) are versatile materials highly regarded for their porous nature. Depending on the synthetic method, various guest molecules may remain in the pores or can be systematically loaded for various reasons. Herein, we present a study that explores the effect of guest molecules on the adsorption and reactivity of the MOF in both the gas phase and solution. The differences between guest molecule interactions and the subsequent effects on their activity are described for each system. Interestingly, different effects are observed and described in detail for each class of guest molecules studied. We determine that there is a strong effect of alcohols with the secondary building unit of UiO MOFs, while Lewis bases have an effect on the reactivity of the -NH 2 group in UiO-66-NH 2 and adsorption by the coordinatively unsaturated copper sites in HKUST-1. These effects must be considered when determining synthesis and activation methods of MOFs toward various applications.

  3. Theoretical exploration of the nanoscale host-guest interactions between [n]cycloparaphenylenes (n = 10, 8 and 9) and fullerene C₆₀: from single- to three-potential well.

    Science.gov (United States)

    Yuan, Kun; Zhou, Cai-Hua; Zhu, Yuan-Cheng; Zhao, Xiang

    2015-07-28

    The nanoscale host-guest interactions between [n]cycloparaphenylene ([n]CPP; n = 10, 8 and 9) nano-ring and fullerene C60 were explored theoretically. It is found that relatively small variations in the sizes of the [n]CPP host lead to very significant changes in encapsulation property toward the fullerene C60 guest. Expectedly, one stable inclusion-configuration of [10]CPP⊃C60 and one floating-configuration of [8]CPP⊃C60 are located on the potential surfaces of the two complexes, respectively. Unexpectedly, besides a floating-configuration (F-[9]CPP⊃C60), another stable inclusion-configuration (I-[9]CPP⊃C60) is also located on the potential surface of [9]CPP⊃C60 host-guest complex. Interaction energies and natural steric analysis show that these complexes are stabilized by balancing concave-convex π-π attractive and steric repulsive host-guest interactions. In contrast, the steric repulsive energy (Es) between host and guest of I-[9]CPP⊃C60 is as high as 233.12 kJ mol(-1), which is much larger than those in other complexes. The movements of C60 guest through the cavities of [n]CPP host (n = 10, 8 and 9) are simulated by calculating the energy profile, and the results interestingly reveal that the encapsulation of C60 by [10]CPP is in the manner of a single-potential well, by [8]CPP in the manner of a double-potential well, and by [9]CPP in the special manner of a three-potential well. We predict that the movement of C60 guest through the cavity of [9]CPP host should be experimentally observable owing to the relatively low energy barrier (<50 kJ mol(-1), M06-2X/6-31G(d)). Charge population analysis shows that an obvious charge transfer between host and guest takes place during the formation of I-[9]CPP⊃C60, which is different from those during the formation of [8]CPP⊃C60, [10]CPP⊃C60 and F-[9]CPP⊃C60. Additionally, the host-guest interaction regions were detected and visualized in real space based on the electron density and reduced density

  4. Circularly Polarized Luminescence from Inorganic Materials: Encapsulating Guest Lanthanide Oxides in Chiral Silica Hosts.

    Science.gov (United States)

    Sugimoto, Masumi; Liu, Xin-Ling; Tsunega, Seiji; Nakajima, Erika; Abe, Shunsuke; Nakashima, Takuya; Kawai, Tsuyoshi; Jin, Ren-Hua

    2018-05-02

    Recently, circularly polarized luminescence (CPL)-active systems have become a very hot and interesting subject in chirality- and optics-related areas. The CPL-active systems are usually available by two approaches: covalently combining a luminescent centre to chiral motif or associating the guest of luminescent probe to a chiral host. However, all the chiral components in CPL materials were organic, although the luminescent components were alternatively organics or inorganics. Herein, the first totally inorganic CPL-active system by "luminescent guest-chiral host" strategy is proposed. Luminescent sub-10 nm lanthanide oxides (Eu 2 O 3 or Tb 2 O 3 ) nanoparticles (guests) were encapsulated into chiral non-helical SiO 2 nanofibres (host) through calcination of chiral SiO 2 hybrid nanofibres, trapping Eu 3+ (or Tb 3+ ). These lanthanide oxides display circular dichroism (CD) optical activity in the ultraviolet wavelength and CPL signals around at 615 nm for Eu 3+ and 545 nm for Tb 3+ . This work has implications for inorganic-based CPL-active systems by incorporation of various luminescent guests within chiral inorganic hosts. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  5. Synthesis, structure, and properties of a series of chiral tweezer-diamine complexes consisting of an achiral zinc(II) bisporphyrin host and chiral diamine guest: induction and rationalization of supramolecular chirality.

    Science.gov (United States)

    Brahma, Sanfaori; Ikbal, Sk Asif; Rath, Sankar Prasad

    2014-01-06

    We report here the synthesis, structure, and spectroscopic properties of a series of supramolecular chiral 1:1 tweezer-diamine complexes consisting of an achiral Zn(II) bisporphyrin (Zn2DPO) host and five different chiral diamine guests, namely, (R)-diaminopropane (DAP), (1S,2S)-diaminocyclohexane (CHDA), (S)-phenylpropane diamine (PPDA), (S)-phenyl ethylenediamine (PEDA), and (1R,2R)-diphenylethylene diamine (DPEA). The solid-state structures are preserved in solution, as reflected in their (1)H NMR spectra, which also revealed the remarkably large upfield shifts of the NH2 guest protons with the order Zn2DPO·DAP > Zn2DPO·CHDA > Zn2DPO·PPDA> Zn2DPO·PEDA ≫ Zn2DPO·DPEA, which happens to be the order of binding constants of the respective diamines with Zn2DPO. As the bulk of the substituent at the chiral center of the guest ligand increases, the Zn-Nax distance of the tweezer-diamine complex also increases, which eventually lowers the binding of the guest ligand toward the host. Also, the angle between the two porphyrin rings gradually increases with increasing bulk of the guest in order to accommodate the guest within the bisporphyrin cavity with minimal steric clash. The notably high amplitude bisignate CD signal response by Zn2DPO·DAP, Zn2DPO·CHDA, and Zn2DPO·PPDA can be ascribed to the complex's high stability and the formation of a unidirectional screw as observed in the X-ray structures of the complexes. A relatively lower value of CD amplitude shown by Zn2DPO·PEDA is due to the lower stability of the complex. The projection of the diamine binding sites of the chiral guest would make the two porphyrin macrocycles oriented in either a clockwise or anticlockwise direction in order to minimize host-guest steric clash. In sharp contrast, Zn2DPO·DPEA shows a very low amplitude bisignate CD signal due to the presence of both left- (dictated by the pre-existing chirality of (1R,2R)-DPEA) and right-handed screws (dictated by the steric differentiation at

  6. SANS contrast variation on a dendrimer host-guest complex

    NARCIS (Netherlands)

    Kleppinger, R.; Mortensen, K.; Meijer, E.W.

    2002-01-01

    Small-angle neutron scattering (SANS) technique was used to study the configurational changes in an oligoethyleneoxy-functionalized poly(propyleneimine) dendrimer (host) when forming complexes with rose bengal (guest). Guinier fits to the scattering data recorded at max. contrast indicated a

  7. Astrobee Guest Science Guide

    Science.gov (United States)

    Benavides, Jose; Smith, Marion F; Wheeler, Dawn; Fluckiger, Lorenzo

    2017-01-01

    The Astrobee Research Facility will maintain three identical free-flying Astrobee robots on the ISS. After the Astrobees are launched and commissioned in 2018, they will replace the SPHERES robots that have been operating on the ISS since 2006 (Fig. 2). Over the years, the SPHERES have been among the most-used payloads on the ISS, supporting dozens of experiments from a variety of guest scientists. In the next section, we'll talk about past SPHERES experiments as possible inspiration for your future research on Astrobee. Compared to SPHERES, the Astrobee robots will offer many new capabilities and will require less astronaut time to support, so we hope the new facility will be able to fly experiments much more often.

  8. GUEST SERVICES QUALITY ASSESMENT IN TOURISM, USING AN ATTRIBUTES SCALE

    Directory of Open Access Journals (Sweden)

    POPA LUMINITA

    2010-12-01

    Full Text Available It is considered that a weakness of the Romanian tourism offer is the quality of guest services. In this paper we established as an objective to examine in detail the importance given by the consumers to the components of guest service quality and their perceived performance, based on the three pillars of service quality: the material base (equipments, staff training and staff behavior. The emphasis is on the investigation regarding staff training and behaviour, taking into account the multiple attributes SERVQUAL scale. On the basis of this work lies a survey done in March-April 2010 on the population of Oradea, on a sample of 1060 people. Results confirm the importance granted to staff in ensuring quality of tourism services and their perceived relatively weak performance.

  9. Identification of Guest-Host Inclusion Complexes in the Gas Phase by Electrospray Ionization-Mass Spectrometry

    Science.gov (United States)

    Mendes, De´bora C.; Ramamurthy, Vaidhyanathan; Da Silva, Jose´ P.

    2015-01-01

    In this laboratory experiment, students follow a step-by-step procedure to prepare and study guest-host complexes in the gas phase using electrospray ionization-mass spectrometry (ESI-MS). Model systems are the complexes of hosts cucurbit[7]uril (CB7) and cucurbit[8]uril (CB8) with the guest 4-styrylpyridine (SP). Aqueous solutions of CB7 or CB8…

  10. A light controlled cavitand wall regulates guest binding.

    Science.gov (United States)

    Berryman, Orion B; Sather, Aaron C; Rebek, Julius

    2011-01-14

    Here we report a cavitand with a photochemical switch as one of the container walls. The azo-arene switch undergoes photoisomerization when subjected to UV light producing a self-fulfilled cavitand. This process is thermally and photochemically reversible. The reported cavitand binds small molecules and these guests can be ejected from the cavitand through this photochemical process.

  11. Defined Host–Guest Chemistry on Nanocarbon for Sustained Inhibition of Cancer

    Science.gov (United States)

    Ostadhossein, Fatemeh; Misra, Santosh K.; Mukherjee, Prabuddha; Ostadhossein, Alireza; Daza, Enrique; Tiwari, Saumya; Mittal, Shachi; Gryka, Mark C.; Bhargava, Rohit

    2017-01-01

    Signal transducer and activator of transcription factor 3 (STAT-3) is known to be overexpressed in cancer stem cells. Poor solubility and variable drug absorption are linked to low bioavailability and decreased efficacy. Many of the drugs regulating STAT-3 expression lack aqueous solubility; hence hindering efficient bioavailability. A theranostics nanoplatform based on luminescent carbon particles decorated with cucurbit[6]uril is introduced for enhancing the solubility of niclosamide, a STAT-3 inhibitor. The host–guest chemistry between cucurbit[6]uril and niclosamide makes the delivery of the hydrophobic drug feasible while carbon nanoparticles enhance cellular internalization. Extensive physicochemical characterizations confirm successful synthesis. Subsequently, the host–guest chemistry of niclosamide and cucurbit[6]uril is studied experimentally and computationally. In vitro assessments in human breast cancer cells indicate approximately twofold enhancement in IC50 of drug. Fourier transform infrared and fluorescence imaging demonstrate efficient cellular internalization. Furthermore, the catalytic biodegradation of the nanoplatforms occur upon exposure to human myeloperoxidase in short time. In vivo studies on athymic mice with MCF-7 xenograft indicate the size of tumor in the treatment group is half of the controls after 40 d. Immunohistochemistry corroborates the downregulation of STAT-3 phosphorylation. Overall, the host–guest chemistry on nanocarbon acts as a novel arsenal for STAT-3 inhibition. PMID:27545321

  12. The paradoxical path towards the memorable guest experience

    DEFF Research Database (Denmark)

    d'Ambrosio, Luigi; Madsen, Jan Halberg

    This paper examines the design of hospitality and tourism experiences staged for international tourists in the emerging Italian destination Campi Flegrei on the Bay of Naples. In particular, this case focuses on the paradox that Campi Flegrei (CF) hospitality providers around the Lake Avernus face...... in the conceptualisation of the guest experience in the context of a non-DMO governed destination....

  13. GLOBE Observer: A new tool to bring science activities and measurements home

    Science.gov (United States)

    Riebeek Kohl, H.; Murphy, T.

    2016-12-01

    The Global Learning and Observations to Benefit the Environment (GLOBE) Program is an international science and education program that provides students and the public worldwide with the opportunity to participate in data collection and the scientific process, and contribute meaningfully to our understanding of the Earth system and global environment. For more than 20 years, GLOBE-trained teachers have been leading environmental data collection and student research in the classroom. In 2016, GLOBE expanded to invite data collection from citizen scientists of all ages through a simple smart phone app. The app makes it possible for students to take GLOBE data (environmental observations) outside of school with their families. It enables a museum, park, youth organization, or other informal institution to provide a simple take-home activity that will keep patrons engaged in environmental science from home. This presentation will provide a demonstration of the app and will provide examples of its use in informal settings.

  14. Medicines administration for residents with dysphagia in care homes: A small scale observational study to improve practice.

    Science.gov (United States)

    Serrano Santos, Jose Manuel; Poland, Fiona; Wright, David; Longmore, Timothy

    2016-10-30

    In the UK, 69.5% of residents in care homes are exposed to one or more medication errors and 50% have some form of dysphagia. Hospital research identified that nurses frequently crush tablets to facilitate swallowing but this has not been explored in care homes. This project aimed to observe the administration of medicines to patients with dysphagia (PWD) and without in care homes. A convenient sample of general practitioners in North Yorkshire invited care homes with nursing, to participate in the study. A pharmacist specialised in dysphagia observed nurses during drug rounds and compared these practices with national guidelines. Deviations were classified as types of medication administration errors (MAEs). Overall, 738 administrations were observed from 166 patients of which 38 patients (22.9%) had dysphagia. MAE rates were 57.3% and 30.8% for PWD and those without respectively (pdysphagia and need to communicate its presence to the resident's GP. Further research should explore the design of an effective training for nurses. Copyright © 2016 Elsevier B.V. All rights reserved.

  15. Tweens on the Internet - communication in virtual guest books

    Directory of Open Access Journals (Sweden)

    AnnBritt Enochsson

    2007-12-01

    Full Text Available  Today digital communication is a natural part of young people’s social life. It has increased drastically during the last few years, and there are still a lot of questions about what this means, and how this new media affects communication. This study focuses on young people of 11-13, i.e.the age between children and teenagers, also called tweens. In a large study, the overall aim is to see what communication in the Internet community LunarStorm means to them in their social life. This particular paper reports on the content of the asynchronous communication in the participants’ digital guest books, which is one of the main channels for communication between the participants. A group of 15 tweens from a small village in Sweden were studied when communicating in Sweden’s largest Internet community, LunarStorm. The research method used was what is usually described as cyber ethnography. The contributions in the participants’ digital guest books are not written by the guest book owners themselves, which means that the focus is on the collective aspects of this communication, and not from a specific children’s point of view. Qualitative analyses were made of the content of 947 contributions in the participants’ guest books in order to make a statistical analysis. Most of the participants’ communication was between friends in the same geographical neighbourhood concerning how things are going, what to do, when to meet and similar things. The contributions were divided into three categories: (1 Social chat (2 Chain letters, and (3 Messages incomprehensible to outsiders. The information-category was divided into three sub-categories depending on the emotions expressed. 44% of the total messages were considered as emotionally neutral information, 39% as kind or encouraging, and also with an aim to sort things out, and 6% of the total messages contained insults and elements of anger. Among the younger users of the Internet community

  16. Can we beat the biotin-avidin pair?: cucurbit[7]uril-based ultrahigh affinity host-guest complexes and their applications.

    Science.gov (United States)

    Shetty, Dinesh; Khedkar, Jayshree K; Park, Kyeng Min; Kim, Kimoon

    2015-12-07

    The design of synthetic, monovalent host-guest molecular recognition pairs is still challenging and of particular interest to inquire into the limits of the affinity that can be achieved with designed systems. In this regard, cucurbit[7]uril (CB[7]), an important member of the host family cucurbit[n]uril (CB[n], n = 5-8, 10, 14), has attracted much attention because of its ability to form ultra-stable complexes with multiple guests. The strong hydrophobic effect between the host cavity and guests, ion-dipole and dipole-dipole interactions of guests with CB portals helps in cooperative and multiple noncovalent interactions that are essential for realizing such strong complexations. These highly selective, strong yet dynamic interactions can be exploited in many applications including affinity chromatography, biomolecule immobilization, protein isolation, biological catalysis, and sensor technologies. In this review, we summarize the progress in the development of high affinity guests for CB[7], factors affecting the stability of complexes, theoretical insights, and the utility of these high affinity pairs in different challenging applications.

  17. Defined Host-Guest Chemistry on Nanocarbon for Sustained Inhibition of Cancer.

    Science.gov (United States)

    Ostadhossein, Fatemeh; Misra, Santosh K; Mukherjee, Prabuddha; Ostadhossein, Alireza; Daza, Enrique; Tiwari, Saumya; Mittal, Shachi; Gryka, Mark C; Bhargava, Rohit; Pan, Dipanjan

    2016-08-22

    Signal transducer and activator of transcription factor 3 (STAT-3) is known to be overexpressed in cancer stem cells. Poor solubility and variable drug absorption are linked to low bioavailability and decreased efficacy. Many of the drugs regulating STAT-3 expression lack aqueous solubility; hence hindering efficient bioavailability. A theranostics nanoplatform based on luminescent carbon particles decorated with cucurbit[6]uril is introduced for enhancing the solubility of niclosamide, a STAT-3 inhibitor. The host-guest chemistry between cucurbit[6]uril and niclosamide makes the delivery of the hydrophobic drug feasible while carbon nanoparticles enhance cellular internalization. Extensive physicochemical characterizations confirm successful synthesis. Subsequently, the host-guest chemistry of niclosamide and cucurbit[6]uril is studied experimentally and computationally. In vitro assessments in human breast cancer cells indicate approximately twofold enhancement in IC 50 of drug. Fourier transform infrared and fluorescence imaging demonstrate efficient cellular internalization. Furthermore, the catalytic biodegradation of the nanoplatforms occur upon exposure to human myeloperoxidase in short time. In vivo studies on athymic mice with MCF-7 xenograft indicate the size of tumor in the treatment group is half of the controls after 40 d. Immunohistochemistry corroborates the downregulation of STAT-3 phosphorylation. Overall, the host-guest chemistry on nanocarbon acts as a novel arsenal for STAT-3 inhibition. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  18. Carbohydrate-Based Host-Guest Complexation of Hydrophobic Antibiotics for the Enhancement of Antibacterial Activity.

    Science.gov (United States)

    Jeong, Daham; Joo, Sang-Woo; Shinde, Vijay Vilas; Cho, Eunae; Jung, Seunho

    2017-08-08

    Host-guest complexation with various hydrophobic drugs has been used to enhance the solubility, permeability, and stability of guest drugs. Physical changes in hydrophobic drugs by complexation have been related to corresponding increases in the bioavailability of these drugs. Carbohydrates, including various derivatives of cyclodextrins, cyclosophoraoses, and some linear oligosaccharides, are generally used as host complexation agents in drug delivery systems. Many antibiotics with low bioavailability have some limitations to their clinical use due to their intrinsically poor aqueous solubility. Bioavailability enhancement is therefore an important step to achieve the desired concentration of antibiotics in the treatment of bacterial infections. Antibiotics encapsulated in a complexation-based drug delivery system will display improved antibacterial activity making it possible to reduce dosages and overcome the serious global problem of antibiotic resistance. Here, we review the present research trends in carbohydrate-based host-guest complexation of various hydrophobic antibiotics as an efficient delivery system to improve solubility, permeability, stability, and controlled release.

  19. Critical guest concentration and complete tuning pattern appearing in the binary clathrate hydrates

    Energy Technology Data Exchange (ETDEWEB)

    Cha, J.H.; Lee, H. [Korea Advanced Inst. of Science and Technology, Yuseong-gu, Daejeon (Korea, Republic of). Dept. of Chemical and Biomolecular Engineering; Kim, D.Y. [SK Engineering and Construction, Jongno-gu, Seoul (Korea, Republic of); Park, J. [Hanwha Chemical R and D Center, Yuseong-gu, Daejeon (Korea, Republic of); Lee, J.W. [Kongju National Univ., Cheonan, Chungnam (Korea, Republic of); Ripmeester, J.A. [National Research Council of Canada, Ottawa, ON (Canada). Steacie Inst. for Molecular Sciences

    2008-07-01

    Clathrate hydrates, or gas hydrates, are stabilized by van der Waals interaction between a guest molecule and a host framework. Because of their property, they are a potential resource in the exploitation of natural gas hydrates, as a material for the sequestration of carbon dioxide (CO{sub 2}), as a means of storage and transportation of natural gas, as well as hydrogen storage. Clathrate hydrate research can be divided into two categories that emphasize either macroscopic or microscopic approaches. However, these two approaches need to be closely linked for a better understanding of the structures and processes involving both natural phenomena and hydrates for industrial processes. Details on the molecular scale that concern the less usual properties of clathrate hydrates remain unknown. This paper presented the results of a study that reported on the existence of a critical guest concentration (CGC) and established the complete tuning pattern that occurred in the binary hydrates, including water-soluble hydrate formers (promoters) and water-insoluble guests. The paper presented the experimental procedures, including formation of the methane (CH{sub 4}) and tetrahydrofuran (THF) binary hydrate; a schematic diagram of the experimental apparatus; and formation of the CH{sub 4} and t-BuNH{sub 2} binary hydrate. Nuclear magnetic resonance (NMR) spectroscopic measurements and thermodynamic measurements were also presented. It was concluded that the CGC value appeared to primarily depend on the chemical nature of a liquid guest component participating in the binary hydrate formation. 10 refs., 2 tabs., 9 figs.

  20. Non-Porous Iron(II)-Based Sensor: Crystallographic Insights into a Cycle of Colorful Guest-Induced Topotactic Transformations.

    Science.gov (United States)

    Rodríguez-Jiménez, Santiago; Feltham, Humphrey L C; Brooker, Sally

    2016-11-21

    Materials capable of sensing volatile guests at room temperature by an easily monitored set of outputs are of great appeal for development as chemical sensors of small volatile organics and toxic gases. Herein the dinuclear iron(II) complex, [Fe II 2 (L) 2 (CH 3 CN) 4 ](BF 4 ) 4 ⋅2 CH 3 CN (1) [L=4-(4-methylphenyl)-3-(3-pyridazinyl)-5-pyridyl-4H-1,2,4-triazole], is shown to undergo reversible single-crystal-to-single-crystal (SCSC) transformations upon exposure to vapors of different guests: 1 (MeCN)⇌2 (EtOH)→3 (H 2 O)⇌1 (MeCN). Whilst 1 and 2 remain dimetallic, SCSC to 3 involves conversion to a 1D polymeric chain (due to a change in L bridging mode), which, remarkably, can undergo SCSC de-polymerization, reforming dimetallic 1. Additionally, SC-XRD studies of two ordered transient forms, 1TF3 and 2TF3, confirm that guest exchange occurs by diffusion of the new guests into the non-porous lattices as the old guests leave. These reversible SCSC events also induce color and magnetic responses. Indeed dark red 1 is spin crossover active (T 1/2 ↓ 356 K; T 1/2 ↑ 369 K), whilst orange 2 and yellow 3 remain high spin. © 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  1. "You Want Your Guests to Be Happy in This Business": Hoteliers' Decisions to Adopt Voluntary Smoke-Free Guest-Room Policies.

    Science.gov (United States)

    McDaniel, Patricia A; Malone, Ruth E

    2018-01-01

    To explore why some hotels have implemented 100% smoke-free policies voluntarily, the perceived consequences of doing so, and media responses. Qualitative study of hotel management and quantitative content analysis of media coverage of smoke-free hotels. Hotels and media based in the United States. Eleven representatives of 5 independent and 4 chain hotels. Other data included 265 news items about smoke-free hotels. We conducted 30-minute semi-structured interviews with hotel representatives and analyzed the data using qualitative content analysis. We also searched 3 online news databases for news items about hotels in our study, and collaboratively coded retrieved items; we analyzed the content and slant of news items. Business considerations, including guest requests, competitor action, and cost savings, were the primary motivations for implementing 100% smoke-free guest-room policies. Health concerns played a minimal role. Hotels received positive feedback from customers and employees. Media coverage was favorable, emphasizing positive aspects of going smoke-free; the overall slant of news items was positive or neutral. However, few hotels marketed the change. Since hotel customers and employees are likely to experience long periods of smoke exposure and smoke-free hotels appear to be so well received, it may be timely to pursue policies making all hotels smoke-free.

  2. Host-Guest Interaction of Cucurbit[8]uril with N-(3-Aminopropylcyclohexylamine: Cyclohexyl Encapsulation Triggered Ternary Complex

    Directory of Open Access Journals (Sweden)

    Yu Xia

    2018-01-01

    Full Text Available The host-guest interaction of a series of cyclohexyl-appended guests with cucurbit[8]uril (Q[8] was studied by 1H NMR spectroscopy, isothermal titration calorimetry (ITC, and X-ray crystallography. The X-ray structure revealed that two cycloalkane moieties can be simultaneously encapsulated in the hydrophobic cavity of the Q[8] host to form a ternary complex for the first time.

  3. Molecular binding thermodynamics of spherical guests by β-cyclodextrins bearing aromatic substituents

    Energy Technology Data Exchange (ETDEWEB)

    Li, Nan; Chen, Yong; Zhang, Ying-Ming; Wang, Li-Hua; Mao, Wen-Zhao; Liu, Yu, E-mail: yuliu@nankai.edu.cn

    2014-01-20

    Graphical abstract: - Highlights: • Different conformation of β-CD derivatives. • Enthalpy gain. • High binding ability. - Abstract: The molecular binding behaviors of two β-cyclodextrin (β-CD) derivatives bearing 1,2,3-triazole moieties, i.e. mono-6-deoxy-6-{4-(8-oxymethylquinolino)[1,2,3]triazolyl}-β-CD (1) and mono-6-deoxy-6-{4-(8-oxymethylnaphthol)[1,2,3]triazolyl}-β-CD (3), and their analogs without 1,2,3-triazole moieties, i.e. mono-6-deoxy-6-(8-oxymethylquinolino)-β-CD (2) and mono-6-deoxy-6-(8-oxymethylnaphthol)-β-CD (4) toward spherical guests (±)-borneol and (±)-camphor were investigated to elucidate how substituent moiety of host affects the binding abilities by 2D NMR as well as microcalorimetric titrations in aqueous phosphate buffer solution (pH 7.20) at 298.15 K. The binding modes of host–guest interactions obtained from 2D NMR displayed that host CDs without triazole moieties gave better induce-fit efficiency between hosts and guests, leading to stronger binding abilities. Thermodynamically, the inclusion complexation was driven by enthalpy with the stoichiometry of 1:1. Another factor contributed to the enhanced binding abilities was the enthalpy gain with the smaller entropy loss.

  4. Syntheses and Characterization of New Nickel Coordination Polymers with 4,4’-Dipyridylsulfide. Dynamic Rearrangements of One-Dimensional Chains Responding to External Stimuli: Temperature Variation and Guest Releases/Re-Inclusions

    Directory of Open Access Journals (Sweden)

    Hiroyuki Kawaguchi

    2010-08-01

    Full Text Available Crystal structures and dynamic rearrangements of one-dimensional coordination polymers with 4,4'-dipyridylsulfide (dps have been studied. Reaction of Ni(NO32·6H2O with dps in EtOH yielded [Ni(dps2(NO32]·EtOH (1, which had channels filled with guest EtOH molecules among the four Ni(dps2 chains. This coordination polymer reversibly transformed the channel structure responding to temperature variations. Immersion of 1 in m-xylene released guest EtOH molecules to yield a guest-free coordination polymer [Ni(dps2(NO32] (2a, which was also obtained by treatment of Ni(NO32·6H2O with dps in MeOH. On the other hand, removal of the guest molecules from 1 upon heating at 130 °C under reduced pressure produced a guest-free coordination polymer [Ni(dps2(NO32] (2b. Although the 2a and 2b guest-free coordination polymers have the same formula, they showed differences in the assembled structures of the one-dimensional chains. Exposure of 2b to EtOH vapor reproduced 1, while 2a did not convert to 1 in a similar reaction. Reaction of Ni(NO32·6H2O with dps in acetone provided [Ni(dps(NO32(H2O]·Me2CO (4 with no channel structure. When MeOH or acetone was used as a reaction solvent, the [Ni(dps2(NO32]·(guest molecule type coordination polymer ,which was observed in 1, was not formed. Nevertheless, the reaction of Ni(NO32·6H2O with dps in MeOH/acetone mixed solution produced [Ni(dps2(NO32]·0.5(MeOH·acetone (5, which has an isostructural Ni-dps framework to 1.

  5. Influence of adsorption thermodynamics on guest diffusivities in nanoporous crystalline materials

    NARCIS (Netherlands)

    Krishna, R.; van Baten, J.M.

    2013-01-01

    Published experimental data, underpinned by molecular simulations, are used to highlight the strong influence of adsorption thermodynamics on diffusivities of guest molecules inside ordered nanoporous crystalline materials such as zeolites, metal-organic frameworks (MOFs), and zeolitic imidazolate

  6. Supramolecular Host-Guest System as Ratiometric Fe3+ Ion Sensor Based on Water-Soluble Pillar[5]arene.

    Science.gov (United States)

    Yao, Qianfang; Lü, Baozhong; Ji, Chendong; Cai, Yang; Yin, Meizhen

    2017-10-18

    Developing a specific, ratiometric, and reversible detection method for metal ions is significant to guard against the threat of metal-caused environmental pollution and organisms poisoning. Here a supramolecular host-guest system (WP5⊃G) based on water-soluble pillar[5]arene (WP5) and water-soluble quaternized perylene diimide derivative (G) was constructed. Morphological transformation was achieved during the process of adding WP5 into G aqueous solution, and a fluorescence "turn-off" phenomenon was observed which was caused by supramolecular photoinduced electron transfer (PET). Meanwhile, hydrophobic effect and electrostatic interaction played important roles in this supramolecular process, which was confirmed by isothermal titration calorimeter (ITC) and ζ potential experiments. Furthermore, the supramolecular host-guest system could be a "turn-on" fluorescent probe for Fe 3+ ion detection through the process of interdicting supramolecular PET. Moreover, the Fe 3+ ion detection showed specific, ratiometric, and reversible performances with a detection limit of 2.13 × 10 -7 M, which might have great potentials in biological and environmental monitoring.

  7. How registered nurses, licensed practical nurses and resident aides spend time in nursing homes: An observational study.

    Science.gov (United States)

    McCloskey, Rose; Donovan, Cindy; Stewart, Connie; Donovan, Alicia

    2015-09-01

    Calls for improved conditions in nursing homes have pointed to the importance of optimizing the levels and skills of care providers. Understanding the work of care providers will help to determine if staff are being used to their full potential and if opportunities exist for improved efficiencies. To explore the activities of care providers in different nursing homes and to identify if variations exist within and across homes and shifts. A multi-centre cross-sectional observational work flow study was conducted in seven different nursing homes sites in one Canadian province. Data were collected by a research assistant who conducted 368 h of observation. The research assistant collected data by following an identical route in each site and recording observations on staff activities. Findings indicate staff activities vary across roles, sites and shifts. Licensed practical nurses (nursing assistants) have the greatest variation in their role while registered nurses have the least amount of variability. In some sites both registered nurses and licensed practical nurses perform activities that may be safely delegated to others. Care providers spend as much as 53.7% of their time engaged in non-value added activities. There may be opportunities for registered nurses and licensed practical nurses to delegate some of their activities to non-regulated workers. The time care providers spend in non-value activities suggest there may be opportunities to improve efficiencies within the nursing home setting. Copyright © 2015 Elsevier Ltd. All rights reserved.

  8. Guest editor

    Energy Technology Data Exchange (ETDEWEB)

    Anon.

    1995-07-15

    Full text: Guest Editor for this special issue of the CERN Courier on the applications of accelerators was Dewi M. Lewis of Amersham International pic, UK. Dr. Lewis was educated at the Physics Department, University of Wales, Swansea, and learnt his accelerator physics as Engineer-in- Charge at the CERN Intersecting Storage Rings before joining industry in 1979 at the beginning of the boom for commercial cyclotrons. Having managed the installation of Amersham's second and third isotope production cyclotrons in the UK, his industrial experience encompassed isotope manufacturing and business management in radiopharmaceuticals and organization of joint ventures. Following closure of several research reactors in 1990, his responsibilities extended to reactor isotope production as well as technology transfer with international laboratories. He was responsible for creation of the first Russian 'weapons to ploughshares' joint venture with the Radioisotope Association, Mayak and the Russian Atomic Energy Ministry. Dr. Lewis currently chairs the European Radiopharmaceutical Industry's committee on future reactor isotopes and is currently involved in the technical development for accelerator technology. Amersham International is one of the world's leading isotope companies, engaged in development, manufacturing, international sales and distribution of radioisotope products in markets for healthcare, research compounds and industrial products. Formerly part of the United Kingdom Atomic Energy Agency, Amersham was one of the first companies to be privatized in 1982.

  9. Guest editor

    International Nuclear Information System (INIS)

    Anon.

    1995-01-01

    Full text: Guest Editor for this special issue of the CERN Courier on the applications of accelerators was Dewi M. Lewis of Amersham International pic, UK. Dr. Lewis was educated at the Physics Department, University of Wales, Swansea, and learnt his accelerator physics as Engineer-in- Charge at the CERN Intersecting Storage Rings before joining industry in 1979 at the beginning of the boom for commercial cyclotrons. Having managed the installation of Amersham's second and third isotope production cyclotrons in the UK, his industrial experience encompassed isotope manufacturing and business management in radiopharmaceuticals and organization of joint ventures. Following closure of several research reactors in 1990, his responsibilities extended to reactor isotope production as well as technology transfer with international laboratories. He was responsible for creation of the first Russian 'weapons to ploughshares' joint venture with the Radioisotope Association, Mayak and the Russian Atomic Energy Ministry. Dr. Lewis currently chairs the European Radiopharmaceutical Industry's committee on future reactor isotopes and is currently involved in the technical development for accelerator technology. Amersham International is one of the world's leading isotope companies, engaged in development, manufacturing, international sales and distribution of radioisotope products in markets for healthcare, research compounds and industrial products. Formerly part of the United Kingdom Atomic Energy Agency, Amersham was one of the first companies to be privatized in 1982

  10. Host-Guest Interaction of Cucurbit[8]uril with N-(3-Aminopropyl)cyclohexylamine: Cyclohexyl Encapsulation Triggered Ternary Complex.

    Science.gov (United States)

    Xia, Yu; Wang, Chuan-Zeng; Tian, Mengkui; Tao, Zhu; Ni, Xin-Long; Prior, Timothy J; Redshaw, Carl

    2018-01-15

    The host-guest interaction of a series of cyclohexyl-appended guests with cucurbit[8]uril (Q[8]) was studied by ¹H NMR spectroscopy, isothermal titration calorimetry (ITC), and X-ray crystallography. The X-ray structure revealed that two cycloalkane moieties can be simultaneously encapsulated in the hydrophobic cavity of the Q[8] host to form a ternary complex for the first time.

  11. Motivations of farm tourism hosts and guests in the South West ...

    African Journals Online (AJOL)

    denise

    rich and varied landscape, long tradition of farming and ... of visitors who stay at your farm / establishment? 2 How would .... walks, and the children all loved the animals. .... During the short time .... Guests relive happy memories of past times.

  12. Nijmegen Observer-Rated Depression scale for detection of depression in nursing home residents.

    NARCIS (Netherlands)

    Leontjevas, R.; Gerritsen, D.L.; Vernooij-Dassen, M.J.F.J.; Teerenstra, S.; Smalbrugge, M.; Koopmans, R.T.C.M.

    2012-01-01

    OBJECTIVE: This study aims to test the accuracy of the Nijmegen Observer-Rated Depression (NORD) scale, a new short scale for screening of depression in nursing home (NH) residents with and without dementia. METHODS: This cross-sectional study with 103 residents with dementia (N = 19 depressed) and

  13. Novel approach to the behavioural characterization of inbred mice: automated home cage observations.

    Science.gov (United States)

    de Visser, L; van den Bos, R; Kuurman, W W; Kas, M J H; Spruijt, B M

    2006-08-01

    Here we present a newly developed tool for continuous recordings and analysis of novelty-induced and baseline behaviour of mice in a home cage-like environment. Aim of this study was to demonstrate the strength of this method by characterizing four inbred strains of mice, C57BL/6, DBA/2, C3H and 129S2/Sv, on locomotor activity. Strains differed in circadian rhythmicity, novelty-induced activity and the time-course of specific behavioural elements. For instance, C57BL/6 and DBA/2 mice showed a much faster decrease in activity over time than C3H and 129S2/Sv mice. Principal component analysis revealed two major factors within locomotor activity, which were defined as 'level of activity' and 'velocity/stops'. These factors were able to distinguish strains. Interestingly, mice that displayed high levels of activity in the initial phase of the home cage test were also highly active during an open-field test. Velocity and the number of stops during movement correlated positively with anxiety-related behaviour in the elevated plus maze. The use of an automated home cage observation system yields temporal changes in elements of locomotor activity with an advanced level of spatial resolution. Moreover, it avoids the confounding influence of human intervention and saves time-consuming human observations.

  14. Nijmegen Observer-Rated Depression scale for detection of depression in nursing home residents

    NARCIS (Netherlands)

    Leontjevas, R.; Gerritsen, D.L.; Vernooij-Dassen, M.J.; Teerenstra, S.; Smalbrugge, M.; Koopmans, R.T.

    2012-01-01

    Objective This study aims to test the accuracy of the Nijmegen Observer-Rated Depression (NORD) scale, a new short scale for screening of depression in nursing home (NH) residents with and without dementia. Methods This cross-sectional study with 103 residents with dementia (N = 19 depressed) and 72

  15. Dielectric relaxation of guest molecules in a clathrate structure of syndiotactic polystyrene.

    Science.gov (United States)

    Urakawa, Osamu; Kaneko, Fumitoshi; Kobayashi, Hideo

    2012-12-13

    Structure and dynamics of semicrystalline polymer films composed of syndiotactic polystyrene (sPS) and 2-butanone were examined through X-ray diffraction, polarized FTIR, and dielectric relaxation measurements. The X-ray and FTIR measurements revealed its crystal structure to be δ-clathrate containing 2-butanone molecules inside. The carbonyl group of 2-butanone in the crystal was found to orient preferentially parallel to the ac plane of the crystal through the polarized ATR FTIR measurements. Dielectric measurements were also conducted on these film samples to see only the relaxation dynamics of 2-butanone thanks to the high dielectric intensity of 2-butanone compared to sPS. Two relaxation modes denoted by slow and fast modes appeared. The former was assigned to the motion of 2-butanone molecules entrapped in the cavities of the crystalline (δ-form) and the latter to those in the amorphous region. We focused on the slow mode in order to elucidate the specific dynamics of the guest molecule confined in the crystalline region. The relaxation time of the slow mode was about 4 orders of magnitude longer than that of liquid 2-butanone. This suggests that the dynamics of guest molecules is highly restricted due to the high barrier to conformational and/or orientational change of the guest molecule in the cavity of δ-crystal. Furthermore, the dielectric intensity Δε of the slow mode was much smaller than the one calculated from that of bulk liquid 2-butanone and the guest concentration in the crystalline region (the intensity was only 10% of the estimated value from the bulk liquid data). This result also indicates that the free rotational motion of 2-butanone molecules is restricted inside the crystal. This will be consistently related to the weak uniplanar orientation of the carbonyl group of 2-butanone parallel to the ac plane revealed by the X-ray and polarized ATR FTIR measurements.

  16. Journalism Education 2016 Vol 5(2): Guest Editor

    OpenAIRE

    Fowler-Watt, Karen

    2016-01-01

    “It’s the story that matters! Teaching journalism’s storytellers” Special Edition of Journalism Education Guest Editor: Karen Fowler-Watt, Bournemouth University, UK. Storytelling is the journalist’s craft skill. Shaped by the tenets of objectivity and accuracy, the news narrative informs the debate and brings us the human stories. If journalism is a craft, then the story is the journalist’s work of art. In a rapidly changing landscape of technological revolution, shifting business models and...

  17. Complaint Speech Act of Hotel and Restaurant Guests

    OpenAIRE

    Suryawan, I Nengah; Putra Yadnya, Ida Bagus; Puspani, Ida Ayu Made

    2016-01-01

    This paper is aimed at analyzing how complaint speech act of hotel and restaurant guests are performed and responded based on categories of speech acts and how they are performed considering the aspects of acts: locutionary, illocutionary, and perlocutionary. The method and technique of collecting data in this study is documentation method in which the data were collected using the technique of note taking and were qualitatively analyzed. The findings show that complaint of hotel and restaura...

  18. Automated home cage observations as a tool to measure the effects of wheel running on cage floor locomotion.

    Science.gov (United States)

    de Visser, Leonie; van den Bos, Ruud; Spruijt, Berry M

    2005-05-28

    This paper introduces automated observations in a modular home cage system as a tool to measure the effects of wheel running on the time distribution and daily organization of cage floor locomotor activity in female C57BL/6 mice. Mice (n = 16) were placed in the home cage system for 6 consecutive days. Fifty percent of the subjects had free access to a running wheel that was integrated in the home cage. Overall activity levels in terms of duration of movement were increased by wheel running, while time spent inside a sheltering box was decreased. Wheel running affected the hourly pattern of movement during the animals' active period of the day. Mice without a running wheel, in contrast to mice with a running wheel, showed a clear differentiation between novelty-induced and baseline levels of locomotion as reflected by a decrease after the first day of introduction to the home cage. The results are discussed in the light of the use of running wheels as a tool to measure general activity and as an object for environmental enrichment. Furthermore, the possibilities of using automated home cage observations for e.g. behavioural phenotyping are discussed.

  19. Guest Editorial From plants to medicine for management of sickle ...

    African Journals Online (AJOL)

    Guest Editorial From plants to medicine for management of sickle cell disorder. Charles Wambele. Abstract. No Abstract. Discovery and Innovation Vol. 18(1) 2006: 1-4. Full Text: EMAIL FULL TEXT EMAIL FULL TEXT · DOWNLOAD FULL TEXT DOWNLOAD FULL TEXT · http://dx.doi.org/10.4314/dai.v18i1.15718.

  20. Binding behaviors of p-sulfonatocalix[4]arene with gemini guests.

    Science.gov (United States)

    Zhao, Hong-Xia; Guo, Dong-Sheng; Liu, Yu

    2013-02-14

    A dozen of homoditopic cations, possessing different spacer lengths and rigidities, as well as sizes, shapes, and charges of terminal groups, were synthesized as candidate gemini guests for the complexation of p-sulfonatocalix[4]arenes (SC4A). The 12 gemini guests are divided into five species according to the different terminal groups: imidazolium (G1-G3), pyridinium (G4-G6), quinolinium (G7), viologen (G8-G11), and 1,4-diazabicyclo[2.2.2]octane (DBO, G12). Their binding structures and stoichiometries with SC4A were examined by NMR spectroscopy, which is helpful to construct diverse highly ordered assemblies. The obtained results show that the length of the linkers, as well as the charge numbers on the end groups have a pronounced effect on the binding stoichiometry, whereas the size and shape of the terminal groups have no significant influence. Furthermore, both the stability constants and thermodynamic parameters of SC4A with the terminal subunits were determined by the isothermal titration calorimetry experiments, which are valuable to understand the binding behavior, giving quantitatively deep insight.

  1. Host-guest chemistry of dendrimer-drug complexes: 7. Formation of stable inclusions between acetylated dendrimers and drugs bearing multiple charges.

    Science.gov (United States)

    Fang, Min; Zhang, Jiahai; Wu, Qinglin; Xu, Tongwen; Cheng, Yiyun

    2012-03-15

    Drug molecules bearing multiple charges usually form precipitates with cationic dendrimers, which presents a challenge during the preparation of dendrimer inclusions for these drugs. In the present study, fully acetylated polyamidoamine (PAMAM) dendrimers were proposed as stable vehicles for drug molecules bearing two negative charges such as Congo red and indocyanine green. NMR techniques including (1)H NMR and (1)H-(1)H NOESY were used to characterize the host-guest chemistry of acetylated dendrimer and these guest molecules. The cationic PAMAM dendrimer was found to form a precipitate with Congo red and indocyanine green, but the acetylated one avoided the formation of cross-linking structures in aqueous solutions. NOESY studies revealed the encapsulation of Congo red and indocyanine green within the interior cavities of PAMAM dendrimers at mild acidic conditions and acetylated dendrimers show much stronger ability to encapsulate the guest molecules than cationic ones. Also, UV-vis-NIR studies suggest that acetylated dendrimers significantly improve the photostability of indocyanine green and prevent the formation of indocyanine green J-aggregates in aqueous solutions. The present study provides a new insight into dendrimer-based host-guest systems, especially for those guest molecules bearing multiple charges. © 2012 American Chemical Society

  2. Molecular recognition: Comparative study of a tunable host-guest system by using a fluorescent model system and collision-induced dissociation mass spectrometry on dendrimers

    DEFF Research Database (Denmark)

    Pittelkow, M.; Nielsen, C.B.; Broeren, A.C.

    2005-01-01

    Host-guest interactions between the periphery of adamantylurea-functionalized dendrimers (host) and ureido acetic acid derivatives (guest) were shown to be specific, strong and spatially well-defined. The binding becomes stronger when using phosphonic or sulfonic acid derivatives. In the present...... work we have quantified the binding constants for the host-guest interactions between two different host motifs and six different guest molecules. The host molecules, which resemble the periphery of a poly(propylene imine) dendrimer, have been fitted with an anthracene-based fluorescent probe. The two...... host motifs differ in terms of the length of the spacer between a tertiary amine and two ureido functionalities. The guest molecules all contain an acidic moiety (either a carboxylic acid, a phosphonic acid, or a sulfonic acid) and three of them also contain an ureido moiety capable of forming multiple...

  3. Health and social determinants and outcomes of home cooking: A systematic review of observational studies.

    Science.gov (United States)

    Mills, Susanna; White, Martin; Brown, Heather; Wrieden, Wendy; Kwasnicka, Dominika; Halligan, Joel; Robalino, Shannon; Adams, Jean

    2017-04-01

    Many dietary interventions assume a positive influence of home cooking on diet, health and social outcomes, but evidence remains inconsistent. We aimed to systematically review health and social determinants and outcomes of home cooking. Given the absence of a widely accepted, established definition, we defined home cooking as the actions required for preparing hot or cold foods at home, including combining, mixing and often heating ingredients. Nineteen electronic databases were searched for relevant literature. Peer-reviewed studies in English were included if they focussed mainly on home cooking, and presented post 19 th century observational or qualitative data on participants from high/very high human development index countries. Interventional study designs, which have previously been reviewed, were excluded. Themes were summarised using narrative synthesis. From 13,341 unique records, 38 studies - primarily cross-sectional in design - met the inclusion criteria. A conceptual model was developed, mapping determinants of home cooking to layers of influence including non-modifiable, individual, community and cultural factors. Key determinants included female gender, greater time availability and employment, close personal relationships, and culture and ethnic background. Putative outcomes were mostly at an individual level and focused on potential dietary benefits. Findings show that determinants of home cooking are more complex than simply possessing cooking skills, and that potential positive associations between cooking, diet and health require further confirmation. Current evidence is limited by reliance on cross-sectional studies and authors' conceptualisation of determinants and outcomes. Crown Copyright © 2017. Published by Elsevier Ltd. All rights reserved.

  4. QUALITY MEASUREMENT IN RESTAURANT INDUSTRY FROM THE MARKETING PERSPECTIVE: A COMPARISON OF GUESTS' AND MANAGERS' QUALITY PERCEPTIONS

    OpenAIRE

    Kukanja, Marko

    2017-01-01

    Restaurant quality management, as a fairly new area of research, requires frequent and critical academic monitoring. Previous studies have highlighted the importance of several quality attributes for the restaurant industry. However, up until now no study has compared both ¬– restaurant managers` and guests' quality perceptions from the marketing mix (7P) perspective. This paper analyses differences in quality perceptions between managers and guests. Two samples – 207 valid questionnaires obt...

  5. Nursing care needs and services utilised by home-dwelling elderly with complex health problems: observational study.

    Science.gov (United States)

    Næss, Gro; Kirkevold, Marit; Hammer, Wenche; Straand, Jørund; Wyller, Torgeir Bruun

    2017-09-12

    In Norway, as in many Western countries, a shift from institutional care to home care is taking place. Our knowledge is limited regarding which needs for nursing interventions patients being cared for in their home have, and how they are met. We aimed at assessing aspects of health and function in a representative sample of the most vulnerable home-dwelling elderly, to identify their needs for nursing interventions and how these needs were met. In this observational study we included patients aged 75+ living in their own homes in Oslo, who received daily home care, had three or more chronic diagnoses, received daily medication, and had been hospitalized during the last year. Focused attention and cognitive processing speed were assessed with the Trail Making Test A (TMT-A), handgrip strength was used as a measure of sarcopenia, mobility was assessed with the "Timed Up-and-Go" test, and independence in primary activities of daily living by the Barthel Index. Diagnoses and medication were collected from electronic medical records. For each diagnosis, medication and functional impairment, a consensus group defined which nursing service that the particular condition necessitated. We then assessed whether these needs were fulfilled for each participant. Of 150 eligible patients, 83 were included (mean age 87 years, 25% men). They had on average 6 diagnoses and used 9 daily medications. Of the 83 patients, 61 (75%) had grip strength indicating sarcopenia, 27 (33%) impaired mobility, and 69 (83%) an impaired TMT-A score. Median amount of home nursing per week was 3.6 h (interquartile range 2.6 to 23.4). Fulfilment of pre-specified needs was >60% for skin and wound care in patients with skin diseases, observation of blood glucose in patients taking antidiabetic drugs, and in supporting food intake in patients with eating difficulties. Most other needs as defined by the consensus group were fulfilled in home-dwelling patients. For this group, resources for home nursing

  6. Technology support to a telehealth in the home service: Qualitative observations.

    Science.gov (United States)

    Taylor, Alan; Wade, Victoria; Morris, Greg; Pech, Joanne; Rechter, Stuart; Kidd, Michael; Carati, Colin

    2016-07-01

    The Flinders University Telehealth in the Home (FTH) trial was an action research initiative that introduced and evaluated the impact of telehealth services on palliative care patients living in the community, home-based rehabilitation services for the elderly, and services to the elderly in residential aged care. The aim of this study was to understand the issues encountered during the provision of technology services that supported this trial. A mixed methods approach was undertaken to analyse the roles of information and communication technology (ICT) and clinical staff in design, technology management and training. The data sources were staff observations and documents including job logs, meetings, emails and technology descriptions. Use of consumer technology for telehealth required customisation of applications and services. Clinicians played a key role in definition of applications and the embedding of workflow into applications. Usability of applications was key to their subsequent use. Management of design creep and technology services, coupled with support and training for clinicians were important to maintenance of a telehealth service. In the setting described, an iterative approach to the development of telehealth services to the home using consumer technologies was needed. The efficient management of consumer devices in multiple settings will become critical as telehealth services grow in scale. Effective collaboration between clinical and technical stakeholders and further workforce education in telehealth can be key enablers for the transition of face-to-face care to a telehealth mode of delivery. © The Author(s) 2015.

  7. Pressure-induced chemistry in a nitrogen-hydrogen host-guest structure

    Science.gov (United States)

    Spaulding, Dylan K.; Weck, Gunnar; Loubeyre, Paul; Datchi, Fréderic; Dumas, Paul; Hanfland, Michael

    2014-12-01

    New topochemistry in simple molecular systems can be explored at high pressure. Here we examine the binary nitrogen/hydrogen system using Raman spectroscopy, synchrotron X-ray diffraction, synchrotron infrared microspectroscopy and visual observation. We find a eutectic-type binary phase diagram with two stable high-pressure van der Waals compounds, which we identify as (N2)6(H2)7 and N2(H2)2. The former represents a new type of van der Waals host-guest compound in which hydrogen molecules are contained within channels in a nitrogen lattice. This compound shows evidence for a gradual, pressure-induced change in bonding from van der Waals to ionic interactions near 50 GPa, forming an amorphous dinitrogen network containing ionized ammonia in a room-temperature analogue of the Haber-Bosch process. Hydrazine is recovered on decompression. The nitrogen-hydrogen system demonstrates the potential for new pressure-driven chemistry in high-pressure structures and the promise of tailoring molecular interactions for materials synthesis.

  8. Supramolecular dendritic pi-conjugated systems: synthesis of glycinylurea functionalized pi-conjugated diphenylanthracene guests and their complexation with dendritic hosts. Part I.

    NARCIS (Netherlands)

    Precup, F.S.; Schenning, A.P.H.J.; Meijer, E.W.; Hubca, G.

    2007-01-01

    Glycinylurea functionalized p-conjugated diphenylanthracene guests (DPA guests) that bind to adamantyl urea modified dendritic hosts were synthesized and fully characterized by NMR spectroscopy (1H-NMR, 13C-NMR) and MALDI-TOF-MS. The resulting supramolecular assemblies have been investigated with

  9. Optimization of the host–guest system within an OLED using different models of mobility

    Energy Technology Data Exchange (ETDEWEB)

    Adames Prada, Rosana, E-mail: rdadamesp@unal.edu.co; Ardila Vargas, Angel Miguel, E-mail: amardilav@unal.edu.co

    2014-12-15

    To optimize the host–guest system of organic light emitting devices (OLEDs), it were performed simulations by doping a small molecule organic semiconductor (acting as host) with the transition organometallic complex known as Ir(ppy){sub 2}(acac) (acting as a guest). The simulation was carried out using simOLED with different mobility models: the Pool–Frenkel Model (PFM), the Extended Gaussian Disorder Model (EGDM) and Extended Correlated Disorder Model (ECDM), with the aim to determine the magnitude of some parameters like temperature, applied electric field, film thickness and charge carrier density that improve the electrical and optical properties of OLEDs with a more simplified structure like ITO/CBP/CBP:Ir(ppy){sub 2}(acac)/TPBi/LiF/Al.

  10. Complexation of triptycene-derived macrotricyclic polyether with paraquat derivatives, diquat, and a 2,7-diazapyrenium salt: guest-induced conformational changes of the host.

    Science.gov (United States)

    Han, Ying; Cao, Jing; Li, Peng-Fei; Zong, Qian-Shou; Zhao, Jian-Min; Guo, Jia-Bin; Xiang, Jun-Feng; Chen, Chuan-Feng

    2013-04-05

    Complexation between a triptycene-derived macrotricyclic polyether containing two dibenzo-[30]-crown-10 cavities and different functionalized paraquat derivatives, diquat, and a 2,7-diazapyrenium salt in both solution and solid state was investigated in detail. It was found that depending on the guests with different terminal functional groups and structures, the macrotricyclic polyether could form 1:1 or 1:2 complexes with the guests in different complexation modes in solution and also in the solid state. Especially, the conformation of the macrotricyclic polyether was efficiently adjusted by the encapsulated guests, which was to some extent similar to substrate-induced fit of enzymes. Moreover, the binding and releasing of the guests in the complexes could be controlled by potassium ions.

  11. Mechanical measurement of hydrogen bonded host-guest systems under non-equilibrium, near-physiological conditions.

    Science.gov (United States)

    Naranjo, Teresa; Cerrón, Fernando; Nieto-Ortega, Belén; Latorre, Alfonso; Somoza, Álvaro; Ibarra, Borja; Pérez, Emilio M

    2017-09-01

    Decades after the birth of supramolecular chemistry, there are many techniques to measure noncovalent interactions, such as hydrogen bonding, under equilibrium conditions. As ensembles of molecules rapidly lose coherence, we cannot extrapolate bulk data to single-molecule events under non-equilibrium conditions, more relevant to the dynamics of biological systems. We present a new method that exploits the high force resolution of optical tweezers to measure at the single molecule level the mechanical strength of a hydrogen bonded host-guest pair out of equilibrium and under near-physiological conditions. We utilize a DNA reporter to unambiguously isolate single binding events. The Hamilton receptor-cyanuric acid host-guest system is used as a test bed. The force required to dissociate the host-guest system is ∼17 pN and increases with the pulling rate as expected for a system under non-equilibrium conditions. Blocking one of the hydrogen bonding sites results in a significant decrease of the force-to-break by 1-2 pN, pointing out the ability of the method to resolve subtle changes in the mechanical strength of the binding due to the individual H-bonding components. We believe the method will prove to be a versatile tool to address important questions in supramolecular chemistry.

  12. Sensitive and Specific Guest Recognition through Pyridinium-Modification in Spindle-Like Coordination Containers.

    Science.gov (United States)

    Bhuvaneswari, Nagarajan; Dai, Feng-Rong; Chen, Zhong-Ning

    2018-05-02

    An elaborately designed pyridinium-functionalized octanuclear zinc(II) coordination container 1-Zn was prepared through the self-assembly of Zn 2+ , p-tert-butylsulfonylcalix[4]arene, and pyridinium-functionalized angular flexible dicarboxylate linker (H 2 BrL1). The structure was determined by a single-crystal X-ray diffractometer. 1-Zn displays highly sensitive and specific recognition to 2-picolylamine as revealed by drastic blueshifts of the absorption and emission spectra, ascribed to the decrease of intramolecular charge transfer (ICT) character of the container and the occurrence of intermolecular charge transfer between the host and guest molecules. The intramolecular charge transfer plays a key role in the modulation of the electronic properties and is tunable through endo-encapsulation of specific guest molecules. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  13. Knowledge of Deaths in Hotel Rooms Diminishes Perceived Value and Elicits Guest Aversion.

    Science.gov (United States)

    Bering, Jesse M; Curtin, Emma R; Jong, Jonathan

    2017-01-01

    Guest deaths are an inevitable aspect of the hospitality industry. In Study 1, participants read a vignette in which the previous guest died of natural causes, suicide, or homicide. Those who learned of a death (a) saw the room as less valuable, (b) opted to stay in a more basic room in which no death occurred, despite both rooms being offered for free, and (c) anticipated feeling uneasy when imagining an overnight stay. In Study 2, we investigated the persistence of this bias. Perceived room value and anticipatory well-being can be expected to return to baseline levels only many years after the death event. Similar to "stigmatized properties" in real estate, these data confirm an irrational and recalcitrant cognitive bias surrounding consumers' views of death-affected hotel rooms.

  14. Toward Improved Force-Field Accuracy through Sensitivity Analysis of Host-Guest Binding Thermodynamics

    Science.gov (United States)

    Yin, Jian; Fenley, Andrew T.; Henriksen, Niel M.; Gilson, Michael K.

    2015-01-01

    Improving the capability of atomistic computer models to predict the thermodynamics of noncovalent binding is critical for successful structure-based drug design, and the accuracy of such calculations remains limited by non-optimal force field parameters. Ideally, one would incorporate protein-ligand affinity data into force field parametrization, but this would be inefficient and costly. We now demonstrate that sensitivity analysis can be used to efficiently tune Lennard-Jones parameters of aqueous host-guest systems for increasingly accurate calculations of binding enthalpy. These results highlight the promise of a comprehensive use of calorimetric host-guest binding data, along with existing validation data sets, to improve force field parameters for the simulation of noncovalent binding, with the ultimate goal of making protein-ligand modeling more accurate and hence speeding drug discovery. PMID:26181208

  15. Computer-science guest-lecture series at Langston University sponsored by the U.S. Geological Survey; abstracts, 1992-93

    Science.gov (United States)

    Steele, K. S.

    1994-01-01

    Langston University, a Historically Black University located at Langston, Oklahoma, has a computing and information science program within the Langston University Division of Business. Since 1984, Langston University has participated in the Historically Black College and University program of the U.S. Department of Interior, which provided education, training, and funding through a combined earth-science and computer-technology cooperative program with the U.S. Geological Survey (USGS). USGS personnel have presented guest lectures at Langston University since 1984. Students have been enthusiastic about the lectures, and as a result of this program, 13 Langston University students have been hired by the USGS on a part-time basis while they continued their education at the University. The USGS expanded the offering of guest lectures in 1992 by increasing the number of visits to Langston University, and by inviting participation of speakers from throughout the country. The objectives of the guest-lecture series are to assist Langston University in offering state-of-the-art education in the computer sciences, to provide students with an opportunity to learn from and interact with skilled computer-science professionals, and to develop a pool of potential future employees for part-time and full-time employment. This report includes abstracts for guest-lecture presentations during 1992-93 school year.

  16. Guest Room Lighting at the Hilton Columbus Downtown

    Energy Technology Data Exchange (ETDEWEB)

    None

    2014-06-30

    At the Hilton Columbus Downtown hotel in Ohio, DOE's Better Buildings Alliance conducted a demonstration of Next Generation Luminaires-winning downlights installed in all guest rooms and suites prior to the hotel's 2012 opening. After a post-occupancy assessment, the LED downlights not only provided the aesthetic appearance and dimming functionality desired, but also provided 50% energy savings relative to a comparable CFL downlight and enabled the lighting power to be more than 20% below that allowed by code. This document is a summary case study of the report.

  17. A targeted nanoglobular contrast agent from host-guest self-assembly for MR cancer molecular imaging.

    Science.gov (United States)

    Zhou, Zhuxian; Han, Zhen; Lu, Zheng-Rong

    2016-04-01

    The clinical application of nanoparticular Gd(III) based contrast agents for tumor molecular MRI has been hindered by safety concerns associated with prolonged tissue retention, although they can produce strong tumor enhancement. In this study, a targeted well-defined cyclodextrin-based nanoglobular contrast agent was developed through self-assembly driven by host-guest interactions for safe and effective cancer molecular MRI. Multiple β-cyclodextrins attached POSS (polyhedral oligomeric silsesquioxane) nanoglobule was used as host molecule. Adamantane-modified macrocyclic Gd(III) contrast agent, cRGD (cyclic RGDfK peptide) targeting ligand and fluorescent probe was used as guest molecules. The targeted host-guest nanoglobular contrast agent cRGD-POSS-βCD-(DOTA-Gd) specifically bond to αvβ3 integrin in malignant 4T1 breast tumor and provided greater contrast enhancement than the corresponding non-targeted agent. The agent also provided significant fluorescence signal in tumor tissue. The histological analysis of the tumor tissue confirmed its specific and effective targeting to αvβ3 integrin. The targeted imaging agent has a potential for specific cancer molecular MR and fluorescent imaging. Copyright © 2016 Elsevier Ltd. All rights reserved.

  18. Type of oral solid medication packaging and medication preparation time in nursing homes: A direct observation study.

    Science.gov (United States)

    Cready, C M; Hudson, C; Dreyer, K

    2017-12-01

    Medication administration is a substantial portion of the workday in nursing homes, with the medication preparation step being the most time-consuming. However, little is known about how medication preparation time is affected by the type of packaging used for oral solid medications (ie, tablets/capsules). We examined the effects of two types of packaging. As fewer steps are associated with strip packaging compared to bingo card packaging, we hypothesized that the increase in medication preparation seconds per resident with each additional oral solid medication would be smaller when strip packaging was used. A total of 430 medication preparations conducted by eight nurses during the regularly scheduled morning medication administration period in two nursing homes-using strip packaging and bingo card packaging, respectively-were observed. Each medication preparation observation was matched to its corresponding medication administration record and observations averaged across resident. Using the resident sample (N=149), we estimated three regression models (adjusting the standard errors for the clustering of resident by nurse). The first model regressed medication preparation seconds on the number of oral solid medications. The second model added the type of packaging used and the control variables (type of unit [long-term care, post-acute care], the number of one-half pills and the dosage form diversity in the preparation). To test our hypothesis, the third model added an interaction term between the number of oral solid medications and the type of packaging used. As hypothesized, all else equal, the number of oral solid medications tended to increase medication preparation time per resident in both nursing homes, but the increase was smaller in the strip packaging nursing home (Ppackaging nursing home increased medication preparation by an average of 13 seconds (b=13.077), whereas each oral solid medication administered in the strip packaging nursing home

  19. From Having Fun to Applause: The Study of Relationships among Festival Benefits, Festival Identity and Festival Support by Viewpoints of the Hosts and Guests

    Directory of Open Access Journals (Sweden)

    Kai-Chih Chang

    2017-12-01

    Full Text Available The sustainable development of the festival depends on the support and participation of residents and tourists. There are a number of practical and theoretical gaps regarding the hosts and guests in festival literature. This study attempts to fill the host–guest gap based on the theory of reasoned action to construct and exam a relationship model. Taking the 2016 Summer Festival during busy season as an example in Hualien, 1165 questionnaires were valid, and data were analyzed by SEM (structural equation modeling. Results showed that the hosts had higher perception than the guests in terms of the festival benefits, identity, and support. This study has two concept models: the guest model and the host model. In the host model, the local-development benefits have more positive relationships to affect the festival support and festival identity than the recreation-experience benefits. On the other hand, the recreation-experience benefits could affect the festival support, but the festival identity could not in the guest model. The results of this study indicate that the festival organizers or the public sectors must be pay attention to the viewpoints of the guests and hosts in order to achieve the sustainable development objectives.

  20. Synthesis of C3-symmetric tri(alkylamino) guests and their interaction with cyclodextrins

    Czech Academy of Sciences Publication Activity Database

    Bednaříková, T.; Tošner, Z.; Horský, Jiří; Jindřich, J.

    2015-01-01

    Roč. 81, 1-2 (2015), s. 141-152 ISSN 0923-0750 Institutional support: RVO:61389013 Keywords : cyclodextrin * supramolecular interactions * C3-symmetric guests Subject RIV: CB - Analytical Chemistry, Separation Impact factor: 1.253, year: 2015

  1. Multicolor Fluorescence Writing Based on Host-Guest Interactions and Force-Induced Fluorescence-Color Memory.

    Science.gov (United States)

    Matsunaga, Yuki; Yang, Jye-Shane

    2015-06-26

    A new strategy is reported for multicolor fluorescence writing on thin solid films with mechanical forces. This concept is illustrated by the use of a green-fluorescent pentiptycene derivative 1, which forms variably colored fluorescent exciplexes: a change from yellow to red was observed with anilines, and fluorescence quenching (a change to black) occurred in the presence of benzoquinone. Mechanical forces, such as grinding and shearing, induced a crystalline-to-amorphous phase transition in both the pristine and guest-adsorbed solids that led to a change in the fluorescence color (mechanofluorochromism) and a memory of the resulting color. Fluorescence drawings of five or more colors were created on glass or paper and could be readily erased by exposure to air and dichloromethane fumes. The structural and mechanistic aspects of the observations are also discussed. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  2. Home food environment factors associated with the presence of fruit and vegetables at dinner: A direct observational study.

    Science.gov (United States)

    Trofholz, Amanda C; Tate, Allan D; Draxten, Michelle L; Neumark-Sztainer, Dianne; Berge, Jerica M

    2016-01-01

    Little research exists about the factors influencing the foods available at family meals. This study examines the home food environment factors contributing to the presence of fruit and vegetables at family meals. Home food inventory (HFI) and survey data were collected from low-income, minority families (n = 120) with children 6-12 years old. Observations from video-recorded family dinner meals, totaling 800 videos, were used to measure the frequency at which fruit and vegetables were served. Multiple regression was used to investigate how the fruit and vegetables in the HFI and other home food environment factors were related to the number of days fruit and vegetables were served at dinner during the observation period. Availability and accessibility of fruit and vegetables in the home were each found to be significantly associated with the presence of fruits and vegetables at family dinners. Of the fruit and vegetable categories (i.e., fresh, canned, or frozen), having fresh fruit and vegetables available in the home was found to be most strongly associated with serving fruit and vegetables at dinner, respectively. Higher parent intake of vegetables was associated with the presence of vegetables at dinners, and parent meal planning was associated with the presence of fruit at dinners. Increasing the availability and accessibility of fresh fruit and vegetables in the home may be an effective approach to increasing the presence of fruits and vegetables at family dinners, especially among low-income, minority households. It is also essential to understand why families are not using all fruits and vegetables (e.g., canned and frozen) available in the home for family meals. Family meals are a place to promote the increased presence of both fruit and vegetables. Copyright © 2015 Elsevier Ltd. All rights reserved.

  3. Innkeeper's Liability for Loss Suffered by Guests:Drake v Dow

    OpenAIRE

    Du Plessis, Paul

    2007-01-01

    Drake v Dow is concerned with the issue of strict liability attributed to innkeepers for loss suffered by guests. The case also contains an entertaining foray into the historical development of the law of delict in Scotland and may therefore be of interest to legal historians.

  4. Children's exposure to second hand smoke at home: A cross-sectional study in Portugal

    Directory of Open Access Journals (Sweden)

    Paulo D. Vitória

    2015-07-01

    Full Text Available Second-hand tobacco smoke (SHS is a major indoor pollutant that causes serious health problems for all exposed, especially children. Children are often exposed to SHS at home, due to parental or other households’ or guests’ smoking. This study describes Portuguese children's exposure to SHS at home (total and by Portuguese main regions.In 2010/2011, a questionnaire was applied to a sample of Portuguese children in the 4th grade (N = 3187, mean age 9.05 ± 0.7 years, 51.1% male. Descriptive analysis, chi-square tests and crude odds ratios were performed.Of the participants, 62.9% of those with smoking parents and 19.2% of those with non-smoking parents were exposed to SHS at their home. Parental smoking varied significantly among regions and was significantly associated with children's exposure to SHS at home.Children's exposure to SHS at home was high, especially if their parents smoke. Children living in Lisbon Region presented the highest SHS exposure rate. The association of SHS exposure with geographic regions suggests the influence of social and contextual factors on smoking behaviour and on tobacco control effectiveness. Our findings highlight the need to effectively prevent children's SHS exposure at their home and to develop tailored tobacco control measures by region. Keywords: Tobacco smoke pollution, Child welfare, Smoking, Tobacco, Parent–child relations

  5. Importance of location and exterior of city hotels as elements of guest satisfaction

    Directory of Open Access Journals (Sweden)

    Tepavčević Jelena

    2016-01-01

    Full Text Available Business practices and attitudes of tourists show that hospitality represents the primary factor in the development of urban tourism. It is considered that, besides the exclusive appearance, there is no business success for hotel properties without a proper location. It is known that a typical tourist would like to be close enough to tourist attractions, to be able to reach them on foot. This paper deals with the importance of location and exterior of urban hotels on guests decision on the selection and overall satisfaction with hotel products. The survey was conducted in the hotels two largest urban centers in Serbia (Belgrade and Novi Sad. The aim of the research is an insight into the real impact of location and exterior when assessing the guest satisfaction. Descriptive statistical analysis, t-test and regression analysis were used for statistical data processing.

  6. "I’m a poor lonesome cowboy and a long way from home…": Serbian Documentary Films about Guest Workers

    Directory of Open Access Journals (Sweden)

    Marija Krstić

    2016-02-01

    Full Text Available In this paper I will analyze Serbian documentary films about guest workers dating from the last decade of the 20th and the first decade of the 21st century, using the perspective of visual anthropology. I question the popular cultural notions about guest workers in films Весеље у Ждрелу (A Celebration in Zdrelo by author Kamenko Katic, Звона позне јесени (The Bells of Late Autumn by author Zoran Milenovic, Кад је Милорад удавао ћерку (When Milorad Gave His Daughter in Marriage by author Vladimir Milisavljevic, Странац тамо, странац овде (A Foreigner There, a Foreigner Here by author Sandra Mandic and 242 метра живота (242 Meters of Life by author Novica Savic. The films deal with a number of issues: the economic aspects of guest workers’ lives, their liminal character, the issues of the second and third generations of guest workers, going away "temporarily" to work, and religious rituals. Even though the films were made recently, they all follow the lives of Vlach and Serbian, or rather Yugoslav guest workers who left to find temporary work abroad in Western Europe in the 1960’s and 1970’s. This serves the purpose of avoiding to deal with contemporary reasons for emigrating from Serbia and thus the possible critiques of current regimes or policies in power at the time the films were made.

  7. A Nexus between Theory and Experiment: Non-Empirical Quantum Mechanical Computational Methodology Applied to Cucurbit[n]urilGuest Binding Interactions

    Czech Academy of Sciences Publication Activity Database

    Hostaš, Jiří; Sigwalt, D.; Šekutor, M.; Ajani, Haresh; Dubecký, M.; Řezáč, Jan; Zavalij, P. Y.; Cao, L.; Wohlschlager, Ch.; Mlinaric-Majerski, K.; Isaacs, L.; Glaser, R.; Hobza, Pavel

    2016-01-01

    Roč. 22, č. 48 (2016), s. 17226-17238 ISSN 0947-6539 R&D Projects: GA ČR(CZ) GBP208/12/G016 Institutional support: RVO:61388963 Keywords : adamantane-/diamantane-skeleton guests * biomimetic complexes * BLYP-D3 quantum mechanical calculations * cucurbit[n]uril * host-guest complexes * primary ammonium loops Subject RIV: CF - Physical ; Theoretical Chemistry Impact factor: 5.317, year: 2016

  8. The effects of humor therapy on nursing home residents measured using observational methods: the SMILE cluster randomized trial.

    Science.gov (United States)

    Low, Lee-Fay; Goodenough, Belinda; Fletcher, Jennifer; Xu, Kenny; Casey, Anne-Nicole; Chenoweth, Lynn; Fleming, Richard; Spitzer, Peter; Bell, Jean-Paul; Brodaty, Henry

    2014-08-01

    To evaluate the effects of humor therapy assessed using observational methods on agitation, engagement, positive behaviors, affect, and contentment. Single-blind cluster randomized controlled trial. A total of 35 Sydney nursing homes. All eligible residents within geographically defined areas within each nursing home were invited to participate. Professional "ElderClowns" provided 9 to 12 weekly humor therapy sessions, augmented by resident engagement by trained staff "LaughterBosses." Controls received usual care. The Behavior Engagement Affect Measure (BEAM) touchpad observational tool was used to capture real-time behavioral data. The tool assesses the duration in seconds of agitation, positive behavior toward others, engagement, and affect (angry, anxious, happy, neutral, sad). Seventeen nursing homes (189 residents) received the intervention and 18 homes (209 residents) received usual care. Over 26 weeks, in comparison with controls, the humor therapy group decreased in duration of high agitation (effect size = 0.168 and 0.129 at 13 and 26 weeks, respectively) and increased in duration of happiness (effect size = 0.4 and 0.236 at 13 and 26 weeks, respectively). We confirmed that humor therapy decreases agitation and also showed that it increases happiness. Researchers may consider evaluating impacts of nonpharmaceutical interventions on positive outcomes. Computer-assisted observational measures should be considered, particularly for residents with dementia and when the reliability of staff is uncertain. Copyright © 2014 AMDA – The Society for Post-Acute and Long-Term Care Medicine. Published by Elsevier Inc. All rights reserved.

  9. The Vital Components of Restaurant Quality that Affect Guest Satisfaction

    OpenAIRE

    Snježana Gagić; Dragan Tešanović; Ana Jovičić

    2013-01-01

    Nowadays, the trend of dining in restaurants has become quite prominent in Serbia. Frequent restaurant visits are not only the reflection of satisfying hedonistic needs, but also the result of increasing number of single-person households as well as adjustment to the European business hours.In an increasingly competitive environment, restaurants must be focused on guests using marketing concepts that identify their needs thus leading to their satisfaction and inc...

  10. Colligative thermoelectric transport properties in n-type filled CoSb3 determined by guest electrons in a host lattice

    International Nuclear Information System (INIS)

    Lim, Young Soo; Park, Kwan-Ho; Tak, Jang Yeul; Lee, Soonil; Seo, Won-Seon; Park, Cheol-Hee; Kim, Tae Hoon; Park, PumSuk; Kim, Il-Ho; Yang, Jihui

    2016-01-01

    Among many kinds of thermoelectric materials, CoSb 3 has received exceptional attention for automotive waste heat recovery. Its cage structure provides an ideal framework for the realization of phonon-glass electron-crystal strategy, and there have been numerous reports on the enhanced thermoelectric performance through the independent control of the thermal and electrical conductivity by introducing fillers into its cage sites. Herein, we report colligative thermoelectric transport properties in n-type CoSb 3 from the viewpoint of “guest electrons in a host lattice.” Both the Seebeck coefficient and the charge transport properties are fundamentally determined by the concentration of the guest electrons, which are mostly donated by the fillers, in the conduction band of the host CoSb 3 . Comparing this observation to our previous results, colligative relations for both the Seebeck coefficient and the mobility were deduced as functions of the carrier concentration, and thermoelectric transport constants were defined to predict the power factor in filled CoSb 3 . This discovery not only increases the degree of freedom for choosing a filler but also provides the predictability of power factor in designing and engineering the n-type filled CoSb 3 materials.

  11. A host-guest-recognition-based electrochemical aptasensor for thrombin detection.

    Science.gov (United States)

    Fan, Hao; Li, Hui; Wang, Qingjiang; He, Pingang; Fang, Yuzhi

    2012-05-15

    A sensitive electrochemical aptasensor for thrombin detection is presented based on the host-guest recognition technique. In this sensing protocol, a 15 based thrombin aptamer (ab. TBA) was dually labeled with a thiol at its 3' end and a 4-((4-(dimethylamino)phenyl)azo) benzoic acid (dabcyl) at its 5' end, respectively, which was previously immobilized on one Au electrode surface by AuS bond and used as the thrombin probe during the protein sensing procedure. One special electrochemical marker was prepared by modifying CdS nanoparticle with β-cyclodextrins (ab. CdS-CDs), which employed as electrochemical signal provider and would conjunct with the thrombin probe modified electrode through the host-guest recognition of CDs to dabcyl. In the absence of thrombin, the probe adopted linear structure to conjunct with CdS-CDs. In present of thrombin, the TBA bond with thrombin and transformed into its special G-quarter structure, which forced CdS-CDs into the solution. Therefore, the target-TBA binding event can be sensitively transduced via detecting the electrochemical oxidation current signal of Cd of CdS nanoparticles in the solution. Using this method, as low as 4.6 pM thrombin had been detected. Copyright © 2012 Elsevier B.V. All rights reserved.

  12. Growth mode transition of tetrahydrofuran clathrate hydrates in the guest/host concentration boundary layer.

    Science.gov (United States)

    Sabase, Yuichiro; Nagashima, Kazushige

    2009-11-19

    Clathrate hydrates are known to form a thin film along a guest/host boundary. We present here the first report of tetrahydrofuran (THF) clathrate hydrate formation in a THF/water concentration boundary layer. We found that the THF-water system also forms a hydrate film separating the guest/host phases. The lateral growth rate of the film increases as supercooling increases. The thickness of the film at the growth tip decreases as supercooling and the lateral growth rate increase. These tendencies are consistent with reports of experiments for other hydrates and predictions of heat-transfer models. After film formation and slight melting, two types of growth modes are observed, depending on temperature T. At T = 3.0 degrees C, the film slowly thickens. The thickening rate is much lower than the lateral growth rate, as reported for other hydrates. At T agglomerate of small polycrystalline hydrates forms in each phase. Grain boundaries in the film and pore spaces in the agglomerate act as paths for permeation of each liquid. Timing when continuous nucleation starts is dominantly controlled by the time of initiation of liquid permeation through the film. Digital particle image velocimetry analysis of the agglomerate shows that it expands not by growth at the advancing front but rather by continuous nucleation in the interior. Expansion rates of the agglomerate tend to be higher for the cases of multipermeation paths in the film and the thinner film. We suppose that the growth mode transition to continuous nucleation is caused by the memory effect due to slight melting of the hydrate film.

  13. Molecular Recognition of Vesicles : Host-Guest Interactions Combined with Specific Dimerization of Zwitterions

    NARCIS (Netherlands)

    Voskuhl, Jens; Fenske, Tassilo; Stuart, Marc C. A.; Wibbeling, Birgit; Schmuck, Carsten; Ravoo, Bart Jan

    2010-01-01

    The aggregation of beta-cyclodextrin vesicles can be induced by an adamantyl-substituted zwitterionic guanidiniocarbonylpyrrole carboxylate guest molecule (1). Upon addition of 1 to the cyclodextrin vesicles at neutral pH, the vesicles aggregate (but do not fuse), as shown by using UV/Vis and

  14. Upper Limits on O VI Emission from Voyager Observations

    Indian Academy of Sciences (India)

    R. Narasimhan (Krishtel eMaging) 1461 1996 Oct 15 13:05:22

    ., Bowyer, C. S., Korpela, E., Lampton, M., Trapero, J., Gomez, J. F., Morales, C.,. Orozco, V. 1999, American Astronomical Society Meeting, 195, 5302. Holberg, J. B., Watkins, R. 1992, Voyager Ultraviolet Spectrometer Guest Observer and Data.

  15. SAFETY AND SECURITY MEASURES ADOPTED BY THE HOTELS AND THEIR IMPACT ON CUSTOMER RELATIONSHIP MANAGEMENT

    OpenAIRE

    Abhishek Chauhan; Ankit Shukla; Pradeep Negi

    2018-01-01

    Hotel can be defined as “Home away from home” for the guests who come to the hotel as they receive homely environment and services in the hotel. The guests who come to the hotels come with an understanding that they and their belongings would be safe and secured in the hotel during their occupancy in the hotel. The safety and security aspects play a very vital role in hospitality industry as this industry is dependent largely on the customer relationship with the hotel. If the guest encounter...

  16. Host–Guest Chirality Interplay: A Mutually Induced Formation of a Chiral ZMOF and Its Double-Helix Polymer Guests

    KAUST Repository

    Luo, Xiaolong

    2016-01-12

    A novel homochiral zeolite-like metal-organic framework (ZMOF), [(Cu4I4) (dabco)2]·[Cu2(bbimb)]·3DMF (JLU-Liu23, dabco =1,4-diazabicyclo[2.2.2]-octane, H2bbimb =1,3-bis(2-benzimidazol)benzene, DMF = N,N-dimethylformamide), has been successfully constructed to host unprecedented DNA-like [Cu2(bbimb)]n polymers with double-helicity. The host-guest chirality interplay permitted the induced formation of an unusual gyroid MOF with homochirality and helical channels in the framework for the first time, JLU-Liu23. Importantly, the enantiomeric pairs (23P, 23M) can be promoted and isolated in the presence of appropriate chiral inducing agents, affording enantioselective separation of chiral molecules as well as small gas molecules. © 2016 American Chemical Society.

  17. Thermosensitive Triterpenoid-Appended Polymers with Broad Temperature Tunability Regulated by Host-Guest Chemistry.

    Science.gov (United States)

    Hao, Jie; Gao, Yuxia; Li, Ying; Yan, Qiang; Hu, Jun; Ju, Yong

    2017-09-05

    Thermoresponsive water-soluble polymers are of great importance since they typically show a lower critical solution temperature (LCST) in aqueous media. In this research, the LCST change in broad temperature ranges of copolymers composed of natural glycyrrhetinic acid (GA)-based methacrylate and N,N'-dimethylacrylamides (DMAs) was investigated as a function of the concentration and the content of GA pendants. By complexation of GA pendants with β-cyclodextrin (β-CD), a side-chain polypseudorotaxane was obtained, which exhibited a significant increase in the LCST of copolymers. Moreover, the precisely reversible control of the LCST behavior was realized through adding a competing guest molecule, sodium 1-admantylcarboxylate. This work illustrates a simple and effective approach to endow water-soluble polymers with broad temperature tunability and helps us further understand the effect of a biocompatible host-guest complementary β-CD/GA pair on the thermoresponsive process. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  18. The recruitment mechanism in Spaish and U.S. guest worker programs: preventing fraud and abuse in worker selection and hiring

    OpenAIRE

    Minaya, Mariana

    2015-01-01

    Fraudulent recruitment of authorized, temporary “guest workers” is a growing concern among international policy makers. Recruitment in many countries is regulated through a combination of immigration, criminal, and administrative laws. This paper will compare how two countries, Spain and the United States, regulate the recruitment of agricultural and low-skilled guest workers, a population generally vulnerable to fraud, based on a review of each country’s laws and relevant literature. The con...

  19. Trends in observable passive solar design strategies for existing homes in the U.S

    International Nuclear Information System (INIS)

    Kruzner, Kelly; Cox, Kristin; Machmer, Brian; Klotz, Leidy

    2013-01-01

    Passive design strategies are among the most cost-effective methods to reduce energy consumption in buildings. However, the prevalence of these strategies in existing U.S. homes is not well understood. To help address this issue, this research evaluated a nationally-representative sample of 1000 existing homes distributed geographically across the U.S. Using satellite images, each building was evaluated for three passive design strategies: orientation, roof color, and level of shading. Several statistically significant regional trends were identified. For example, existing homes in the High Plains, Ohio Valley, Northwest, and Southern regions show a statistically significant trend towards orientation in the East–West direction, an effective passive design strategy. Less intuitively, in terms of what would seem to be optimal passive design, buildings in the High Plains and Ohio Valley generally have lighter roof colors than buildings in the warmer Southwest region. At the national level, no statistically significant trends were found towards the passive design strategies evaluated. These trends give us no reason to believe they were a major consideration in the design of existing homes. Policy measures and education may be required to take advantage of the opportunity for cost-effective energy savings through more widespread passive solar design. - Highlights: ► GoogleMaps to examine implementation of cost-effective, observable passive solar strategies in U.S. houses. ► No national trends toward passive solar design in U.S.—a missed opportunity. ► Some regional passive solar trends in U.S. for house orientation, roof color

  20. Impact of Industry Guest Speakers on Business Students' Perceptions of Employability Skills Development

    Science.gov (United States)

    Riebe, L.; Sibson, R.; Roepen, D.; Meakins, K.

    2013-01-01

    This study provides insights into the perceptions and expectations of Australian undergraduate business students (n=150) regarding the incorporation of guest speakers into the curriculum of a leadership unit focused on employability skills development. The authors adopted a mixed methods approach. A survey was conducted, with quantitative results…

  1. Communicative Coping Behavior Checklist: Observation of Persons With Dementia in the Home Environment.

    Science.gov (United States)

    Saunders, Pamela A; Ruth, Julia; Latella, Lauren; Talisman, Nicholas

    2016-08-01

    Communication contributes to increased stress, mortality, and decreased quality of life (QOL) for persons with dementia (PWD) and caregivers. PWD use communicative coping behaviors (CCBs) to manage the demands of the disease. However, most assessments neither look for nor give credit to communication behaviors. This is the first study to examine CCBs in the home environment as measured by the Communicative Coping Behavior Checklist (CCBC). This cross-sectional quantitative study included 26 dementia and 18 cognitively normal control dyads. Raters observed their partners' CCBs at home, over several weeks and completed the CCBC. We analyzed the endorsement rates (how often behaviors were observed by a rater) of emotion and activity-focused CCBs in dementia and control dyads. The primary outcome was rate of CCB endorsement. Secondary outcomes included dementia diagnosis, cognitive status, depressive mood, life satisfaction (SWL) and QOL. Dementia dyads endorsed 11 of 23 CCBs significantly more than control dyads. Action-focused CCBs (p endorsement rates of action-focused than emotion-focused CCBs were seen in dementia dyads. We conclude that attention to CCBs during treatment and care will improve QOL and SWL of PWD and caregivers. © The Author 2016. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

  2. Modeling Perceived Quality, Customer Satisfaction and Probability of Guest Returning to the Destination

    Directory of Open Access Journals (Sweden)

    Olivera Blagojevic Popovic

    2018-03-01

    Full Text Available In the hotel industry, it is a well-known fact that, despite of quality and variety of services provided, there is a low probability that the guests will return. This research is focused on identifying the basic factors of the hotel offer, which could determine the influence on the correlation between the guests’ satisfaction and the probability of their return. The objective of the article is to explore the relationship between the guests’ satisfaction with the quality hotel services in total (including the tourist offer of the place and the probability of his return to the same destination. The questionnaire method was applied in the survey, and the data were analysed based on factor analysis. Thereafter, the model for forecasting the probability of the guests returning to the destination was established, by using the example of Montenegrin tourism. The model represents a defined framework for the guest’s decision-making process. It identifies two main characteristics of guest experiences: satisfaction and rated quality (of the destination’s overall hotel service and tourist offer. The same model evaluates the impact of the above factors on the probability of the guests’ returning to the same destination. The starting hypothesis was the existence of a high degree of correlation between the guests’ satisfaction (with the destination’s hotel services and tourist offer and the probability of returning to the selected Montenegrin destinations. The research confirmed the above-mentioned hypothesis. The results have revealed that there are significant differences in perceived quality, i.e. satisfaction between the target groups of Eastern and Western European tourists

  3. Making the Transition from Traditional to Home Schooling: Home School Family Motivations

    Science.gov (United States)

    Anthony, Kenneth Vance; Burroughs, Susie

    2010-01-01

    This study examined the motivations of families that operate home schools. Four intact, religiously conservative families were interviewed and observed over one year. Findings showed that families were motivated by multiple factors to leave traditional schooling and begin home schooling. Additionally, the motivations to home school influenced the…

  4. Stability conditions and guest distribution of the methane + ethane + propane hydrates or semiclathrates in the presence of tetrahydrofuran or quaternary ammonium salts

    International Nuclear Information System (INIS)

    Lee, Seungmin; Lee, Youngjun; Park, Sungwon; Kim, Yunju; Cha, Inuk; Seo, Yongwon

    2013-01-01

    Highlights: • We examined the stability conditions and guest distributions of natural gas hydrates. • THF, TBAB, and TBAF could remarkably stabilize the hydrate dissociation conditions. • Preferential occupation of CH 4 molecules was observed at the stoichiometric concentrations. -- Abstract: In this study, the stability conditions and guest distributions of methane (CH 4 ) + ethane (C 2 H 6 ) + propane (C 3 H 8 ) hydrates or semiclathrates are examined in the presence of tetrahydrofuran (THF) and quaternary ammonium salts such as tetra-n-butylammonium bromide (TBAB) and tetra-n-butylammonium fluoride (TBAF) through thermodynamic and spectroscopic analyses. The three-phase equilibria of hydrate or semiclathrate (H), liquid water (L W ), and vapor (V) for the quinary CH 4 + C 2 H 6 + C 3 H 8 + THF + water, CH 4 + C 2 H 6 + C 3 H 8 + TBAB + water, and CH 4 + C 2 H 6 + C 3 H 8 + TBAF + water mixtures with various concentrations were experimentally measured in order to determine the hydrate or semiclathrate stability conditions. The experimental results demonstrated that all thermodynamic promoters such as THF, TBAB, and TBAF used in this study could remarkably stabilize the hydrate dissociation conditions even though the degree of stabilization was dependent on the type of promoters and on the concentrations of each promoter used. From the 13 C NMR analysis, preferential occupation of CH 4 molecules in the hydrate or semiclathrate lattices was observed at the stoichiometric concentrations of each hydrate or semiclathrate structure. However, at the THF mole fraction lower than 0.056, the large cages of structure II were shared by CH 4 , C 2 H 6 , C 3 H 8 , and THF molecules, whereas the small cages were occupied by only CH 4 molecules. The results given in this study are very useful in understanding the thermodynamic stability, structural characteristics, and guest distribution of the hydrates or semiclathrates with multi-components in the presence of

  5. A comparison of medication administration errors from original medication packaging and multi-compartment compliance aids in care homes: A prospective observational study.

    Science.gov (United States)

    Gilmartin-Thomas, Julia Fiona-Maree; Smith, Felicity; Wolfe, Rory; Jani, Yogini

    2017-07-01

    No published study has been specifically designed to compare medication administration errors between original medication packaging and multi-compartment compliance aids in care homes, using direct observation. Compare the effect of original medication packaging and multi-compartment compliance aids on medication administration accuracy. Prospective observational. Ten Greater London care homes. Nurses and carers administering medications. Between October 2014 and June 2015, a pharmacist researcher directly observed solid, orally administered medications in tablet or capsule form at ten purposively sampled care homes (five only used original medication packaging and five used both multi-compartment compliance aids and original medication packaging). The medication administration error rate was calculated as the number of observed doses administered (or omitted) in error according to medication administration records, compared to the opportunities for error (total number of observed doses plus omitted doses). Over 108.4h, 41 different staff (35 nurses, 6 carers) were observed to administer medications to 823 residents during 90 medication administration rounds. A total of 2452 medication doses were observed (1385 from original medication packaging, 1067 from multi-compartment compliance aids). One hundred and seventy eight medication administration errors were identified from 2493 opportunities for error (7.1% overall medication administration error rate). A greater medication administration error rate was seen for original medication packaging than multi-compartment compliance aids (9.3% and 3.1% respectively, risk ratio (RR)=3.9, 95% confidence interval (CI) 2.4 to 6.1, ppackaging (from original medication packaging-only care homes) and multi-compartment compliance aids (RR=2.3, 95%CI 1.1 to 4.9, p=0.03), and between original medication packaging and multi-compartment compliance aids within care homes that used a combination of both medication administration

  6. Science in the schoolhouse: an uninvited guest.

    Science.gov (United States)

    Landrum, Timothy J; Tankersley, Melody

    2004-01-01

    Science and scientific thinking have not made a substantial impact on educational practice. In this discussion, we examine the relationship between science and education and delineate four reasons for characterizing science as an uninvited guest in schools: (a) Science is not highly regarded in society; (b) good science and bad science are often mistaken for one another; (c) the amount of current data is overwhelming; and (d) science is not easy for those who practice it (researchers), those who translate it (teacher educators), or those who consume it (teachers). We suggest several strategies to improve this relationship, including promoting standards of educational practice, emphasizing the role of teacher educators as translators of the research base into classroom practice, and linking student outcomes with the use of effective instructional practices.

  7. Selectivity and stoichiometry boosting of beta-cyclodextrin in cationic/anionic surfactant systems: when host-guest equilibrium meets biased aggregation equilibrium.

    Science.gov (United States)

    Jiang, Lingxiang; Yu, Caifang; Deng, Manli; Jin, Changwen; Wang, Yilin; Yan, Yun; Huang, Jianbin

    2010-02-18

    Cationic surfactant/anionic surfactant/beta-CD ternary aqueous systems provide a platform for the coexistence of the host-guest (beta-CD/surfactant) equilibrium and the biased aggregation (monomeric/aggregated surfactants) equilibrium. We report here that the interplay between the two equilibria dominates the systems as follows. (1) The biased aggregation equilibrium imposes an apparent selectivity on the host-guest equilibrium, namely, beta-CD has to always selectively bind the major surfactant (molar fraction > 0.5) even if binding constants of beta-CD to the pair of surfactants are quite similar. (2) In return, the host-guest equilibrium amplifies the bias of the aggregation equilibrium, that is, the selective binding partly removes the major surfactant from the aggregates and leaves the aggregate composition approaching the electroneutral mixing stoichiometry. (3) This composition variation enhances electrostatic attractions between oppositely charged surfactant head groups, thus resulting in less-curved aggregates. In particular, the present apparent host-guest selectivity is of remarkably high values, and the selectivity stems from the bias of the aggregation equilibrium rather than the difference in binding constants. Moreover, beta-CD is defined as a "stoichiometry booster" for the whole class of cationic/anionic surfactant systems, which provides an additional degree of freedom to directly adjust aggregate compositions of the systems. The stoichiometry boosting of the compositions can in turn affect or even determine microstructures and macroproperties of the systems.

  8. Do the COX-2 inhibitors still have a role to play? : guest editorial ...

    African Journals Online (AJOL)

    Do the COX-2 inhibitors still have a role to play? : guest editorial. A Beeton. Abstract. No Abstract Available Southern African Journal of Anaesthesia & Analgesia Vol.11(2) 2005: 55-60. Full Text: EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT · DOWNLOAD FULL TEXT DOWNLOAD FULL TEXT. Article Metrics. Metrics ...

  9. Representing in-home and out-of-home energy consumption behavior in Beijing

    International Nuclear Information System (INIS)

    Yu Biying; Zhang Junyi; Fujiwara, Akimasa

    2011-01-01

    It is expected that in-home and out-of-home energy consumption behavior in a household might be correlated with each other, probably due to the existence of household budget constraints. Ownership and usage of energy-saving technologies for in-home appliances (or vehicles) might lead to the increase in out-of-home (or in-home) energy consumption. It is therefore necessary to jointly represent in-home and out-of-home energy consumption in the same modeling framework. With this consideration, we first build a new type of energy consumption model based on the Multiple Discrete-Continuous Extreme Value (MDCEV) modeling framework. Next, we conducted a questionnaire survey in Beijing in 2009 and successfully collected the information about households' energy consumption, ownership/usage of in-home appliances and vehicles, and households' and their members' attributes from 1014 households. Throughout an empirical analysis, it is confirmed that the MDCEV model is effective to simultaneously describe the in-home and out-of-home energy consumption behavior. In addition, it is revealed that a set of household and personal attributes affect the ownership and usage of in-home appliances and vehicles. Furthermore, it is shown that the unobserved factors play a much more important role in explaining energy consumption behavior than the observed attributes of households and their members. - Highlights: → Representing in-home and out-of-home energy consumption behavior jointly. → MDCEV model is built to describe household energy consumption behavior. → Log-linear competitive relationships are found among expenditures of end-uses. → Model results provide some insights about the influence of varied observed factors. → Unobserved factors are more important in explaining energy consumption behavior.

  10. Multidisciplinary nutritional support for undernutrition in nursing home and home-care

    DEFF Research Database (Denmark)

    Beck, Anne Marie; Gøgsig Christensen, Annette; Stenbæk Hansen, Birthe

    2016-01-01

    Objective To assess the effect of multidisciplinary nutritional support for undernutrition in older adults in nursing home and home-care identified with the validated Eating Validation Scheme (EVS). Methods An 11 wk cluster randomized trial with a home-care (3 clusters) or nursing home (3 clusters.......3] versus 1.3 [0.5], P = 0.021) was observed. There was a almost significant difference in mortality (2% versus 13%, P = 0.079). Conclusions Multidisciplinary nutritional support in older adults in nursing home and home-care could have a positive effect on quality of life, muscle strength, and oral care....... means of EuroQol-5D-3L), physical performance (30-seconds chair stand), nutritional status (weight and hand-grip strength), oral care, fall incidents, hospital admissions, rehabilitation stay, moving to nursing homes (participants from home-care), and mortality. Results Respectively, 55 (46 from 2 home...

  11. Planned home compared with planned hospital births: mode of delivery and Perinatal mortality rates, an observational study.

    Science.gov (United States)

    van der Kooy, Jacoba; Birnie, Erwin; Denktas, Semiha; Steegers, Eric A P; Bonsel, Gouke J

    2017-06-08

    To compare the mode of delivery between planned home versus planned hospital births and to determine if differences in intervention rates could be interpreted as over- or undertreatment. Intervention and perinatal mortality rates were obtained for 679,952 low-risk women from the Dutch Perinatal Registry (2000-2007). Intervention was defined as operative vaginal delivery and/or caesarean section. Perinatal mortality was defined as the intrapartum and early neonatal mortality rate up to 7 days postpartum. Besides adjustment for maternal and care factors, we included for additional casemix adjustment: presence of congenital abnormality, small for gestational age, preterm birth, or low Apgar score. The techniques used were nested multiple stepwise logistic regression, and stratified analysis for separate risk groups. An intention-to-treat like analysis was performed. The intervention rate was lower in planned home compared to planned hospital births (10.9% 95% CI 10.8-11.0 vs. 13.8% 95% CI 13.6-13.9). Intended place of birth had significant impact on the likelihood to intervene after adjustment (planned homebirth (OR 0.77 95% CI. 0.75-0.78)). The mortality rate was lower in planned home births (0.15% vs. 0.18%). After adjustment, the interaction term home- intervention was significant (OR1.51 95% CI 1.25-1.84). In risk groups, a higher perinatal mortality rate was observed in planned home births. The potential presence of over- or under treatment as expressed by adjusted perinatal mortality differs per risk group. In planned home births especially multiparous women showed universally lower intervention rates. However, the benefit of substantially fewer interventions in the planned home group seems to be counterbalanced by substantially increased mortality if intervention occurs.

  12. Neonatal mortality in Missouri home births, 1978-84.

    Science.gov (United States)

    Schramm, W F; Barnes, D E; Bakewell, J M

    1987-08-01

    A study was conducted of 4,054 Missouri home births occurring from 1978 through 1984. Of the 3,645 births whose planning status was identified, 3,067 (84 per cent) were planned to be at home. Neonatal mortality was elevated for both planned (17 observed deaths vs 8.59 expected deaths) and unplanned home births (45 observed vs 33.19 expected) compared with physician-attended hospital births. Nearly all of the mortality excess for planned home births occurred in association with lesser trained attendants (12 observed vs 4.42 expected), while for unplanned home births the excess was entirely among infants weighing 1500 grams or more (19 observed vs 3.50 expected). For planned home births attended by physicians, certified nurse-midwives, or Missouri Midwife Association recognized midwives, there was little difference between observed and expected deaths (5 observed vs 3.92 expected). There also was little difference in deaths for unplanned home births weighing less than 1500 grams (26 observed vs 29.69 expected) compared with hospital births. The study provides evidence of the importance of having skilled attendants present at planned home births.

  13. Porphyrinic supramolecular daisy chains incorporating pillar[5]arene-viologen host-guest interactions

    KAUST Repository

    Fathalla, Maher; Strutt, Nathan; Srinivasan, Sampath; Katsiev, Khabiboulakh; Hartlieb, Karel J.; Bakr, Osman; Stoddart, J. Fraser

    2015-01-01

    A porphyrin functionalised with pillar[5]arene and a viologen at its 5- and 15-meso positions assembles in a head-to-tail manner, producing linear supramolecular daisy chains in dichloromethane. At high concentrations, it forms an organogel which has been investigated by electron microscopy and rheological measurements, paving the way for the preparation of other functional supramolecular assemblies which harness viologen"⊂" pillararene host-guest interactions.

  14. Porphyrinic supramolecular daisy chains incorporating pillar[5]arene-viologen host-guest interactions

    KAUST Repository

    Fathalla, Maher

    2015-05-18

    A porphyrin functionalised with pillar[5]arene and a viologen at its 5- and 15-meso positions assembles in a head-to-tail manner, producing linear supramolecular daisy chains in dichloromethane. At high concentrations, it forms an organogel which has been investigated by electron microscopy and rheological measurements, paving the way for the preparation of other functional supramolecular assemblies which harness viologen"⊂" pillararene host-guest interactions.

  15. Smart protein biogate as a mediator to regulate competitive host-guest interaction for sensitive ratiometric electrochemical assay of prion

    Science.gov (United States)

    Yu, Peng; Zhang, Xiaohua; Zhou, Jiawan; Xiong, Erhu; Li, Xiaoyu; Chen, Jinhua

    2015-11-01

    A novel competitive host-guest strategy regulated by protein biogate was developed for sensitive and selective analysis of prion protein. The methylene blue (MB)-tagged prion aptamer (MB-Apt) was introduced to the multiwalled carbon nanotubes-β-cyclodextrins (MWCNTs-β-CD) composites-modified glassy carbon (GC) electrode through the host-guest interaction between β-CD and MB. In the absence of prion, MB-Apt could be displaced by ferrocenecarboxylic acid (FCA) due to its stronger binding affinity to β-CD, resulting in a large oxidation peak of FCA. However, in the presence of prion, the specific prion-aptamer interaction drove the formation of protein biogate to seal the cavity of β-CD, which hindered the guest displacement of MB by FCA and resulted in the oxidation peak current of MB (IMB) increased and that of FCA (IFCA) decreased. The developed aptasensor showed good response towards the target (prion protein) with a low detection limit of 160 fM. By changing the specific aptamers, this strategy could be easily extended to detect other proteins, showing promising potential for extensive applications in bioanalysis.

  16. Structural elucidation of dendritic host-guest complexes by X-ray crystallography and molecular dynamics simulations

    NARCIS (Netherlands)

    Chang, T.; Pieterse, K.; Broeren, M.A.C.; Kooijman, H.; Spek, A.L.; Hilbers, P.A.J.; Meijer, E.W.

    2007-01-01

    The multiple monovalent binding of adamantyl-urea poly(propyleneimine) dendrimers with carboxylic acid-urea guests was investigated using molecular dynamics simulations and X-ray crystallography to better understand the structure and behavior of the dynamic multivalent complex in solution. The

  17. Predicting Complexation Thermodynamic Parameters of β-Cyclodextrin with Chiral Guests by Using Swarm Intelligence and Support Vector Machines

    Directory of Open Access Journals (Sweden)

    Luckhana Lawtrakul

    2009-05-01

    Full Text Available The Particle Swarm Optimization (PSO and Support Vector Machines (SVMs approaches are used for predicting the thermodynamic parameters for the 1:1 inclusion complexation of chiral guests with β-cyclodextrin. A PSO is adopted for descriptor selection in the quantitative structure-property relationships (QSPR of a dataset of 74 chiral guests due to its simplicity, speed, and consistency. The modified PSO is then combined with SVMs for its good approximating properties, to generate a QSPR model with the selected features. Linear, polynomial, and Gaussian radial basis functions are used as kernels in SVMs. All models have demonstrated an impressive performance with R2 higher than 0.8.

  18. Colligative thermoelectric transport properties in n-type filled CoSb{sub 3} determined by guest electrons in a host lattice

    Energy Technology Data Exchange (ETDEWEB)

    Lim, Young Soo, E-mail: yslim@pknu.ac.kr, E-mail: wsseo@kicet.re.kr, E-mail: pmoka@lgchem.com [Department of Materials System Engineering, Pukyong National University, Busan 48547 (Korea, Republic of); Park, Kwan-Ho; Tak, Jang Yeul; Lee, Soonil; Seo, Won-Seon, E-mail: yslim@pknu.ac.kr, E-mail: wsseo@kicet.re.kr, E-mail: pmoka@lgchem.com [Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology (KICET), Jinju 52851 (Korea, Republic of); Park, Cheol-Hee, E-mail: yslim@pknu.ac.kr, E-mail: wsseo@kicet.re.kr, E-mail: pmoka@lgchem.com; Kim, Tae Hoon; Park, PumSuk [LG Chem/Research Park, Daejeon 34122 (Korea, Republic of); Kim, Il-Ho [Department of Materials Science and Engineering, Korea National University of Transportation, Chungju 27909 (Korea, Republic of); Yang, Jihui [Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98195 (United States)

    2016-03-21

    Among many kinds of thermoelectric materials, CoSb{sub 3} has received exceptional attention for automotive waste heat recovery. Its cage structure provides an ideal framework for the realization of phonon-glass electron-crystal strategy, and there have been numerous reports on the enhanced thermoelectric performance through the independent control of the thermal and electrical conductivity by introducing fillers into its cage sites. Herein, we report colligative thermoelectric transport properties in n-type CoSb{sub 3} from the viewpoint of “guest electrons in a host lattice.” Both the Seebeck coefficient and the charge transport properties are fundamentally determined by the concentration of the guest electrons, which are mostly donated by the fillers, in the conduction band of the host CoSb{sub 3}. Comparing this observation to our previous results, colligative relations for both the Seebeck coefficient and the mobility were deduced as functions of the carrier concentration, and thermoelectric transport constants were defined to predict the power factor in filled CoSb{sub 3}. This discovery not only increases the degree of freedom for choosing a filler but also provides the predictability of power factor in designing and engineering the n-type filled CoSb{sub 3} materials.

  19. Home exercises for pelvic floor in continent women one year after physical therapy treatment for urinary incontinence: an observational study.

    Science.gov (United States)

    Krüger, Ana P; Luz, Soraia C T; Virtuoso, Janeisa F

    2011-01-01

    To describe the results of home exercise targeting the pelvic floor in continent women one year after the end of a physical therapy treatment for the following outcomes: functional assessment of the pelvic floor and urinary incontinence. This is an observational study that evaluated fifteen women one year after physical therapy treatment for Stress Urinary Incontinence (SUI). The outcomes for this study were: situations of urinary loss, use of daily protection, practice of home exercises for the pelvic floor, functional assessment of the pelvic floor (FAPF) and patient satisfaction. We also investigated some confounding variables such as hormonal status, number of vaginal deliveries and previous history of episiotomy. One year after completion of physical therapy treatment, we observed that the FAPF median remained stable over time (Median=5, p=0.08). The presence of urinary incontinence was reported by 40% of women in the sample, however, was characterized as mild (i.e. not requiring the use of daily protection). There was also a significant association (p=0.001) between the completion of home exercises (twice or more per week) and the normal clinical status. Confounding variables, which could compromise the clinical status, showed no significant association with the outcomes (p≥0.05). Home exercises contributed to the maintenance of continence following a physical therapy treatment.

  20. Ab initio design of drug carriers for zoledronate guest molecule using phosphonated and sulfonated calix[4]arene and calix[4]resorcinarene host molecules

    Science.gov (United States)

    Jang, Yong-Man; Yu, Chol-Jun; Kim, Jin-Song; Kim, Song-Un

    2018-04-01

    Monomolecular drug carriers based on calix[n]-arenes and -resorcinarenes containing the interior cavity can enhance the affinity and specificity of the osteoporosis inhibitor drug zoledronate (ZOD). In this work we investigate the suitability of nine different calix[4]-arenes and -resorcinarenes based macrocycles as hosts for the ZOD guest molecule by conducting {\\it ab initio} density functional theory calculations for structures and energetics of eighteen different host-guest complexes. For the optimized molecular structures of the free, phosphonated, sulfonated calix[4]-arenes and -resorcinarenes, the geometric sizes of their interior cavities are measured and compared with those of the host-guest complexes in order to check the appropriateness for host-guest complex formation. Our calculations of binding energies indicate that in gaseous states some of the complexes might be unstable but in aqueous states almost all of the complexes can be formed spontaneously. Of the two different docking ways, the insertion of ZOD with the \\ce{P-C-P} branch into the cavity of host is easier than that with the nitrogen containing heterocycle of ZOD. The work will open a way for developing effective drug delivering systems for the ZOD drug and promote experimentalists to synthesize them.

  1. How nursing staff spend their time on activities in a nursing home: an observational study.

    Science.gov (United States)

    Munyisia, Esther Naliaka; Yu, Ping; Hailey, David

    2011-09-01

    This article is a report of a study to examine how nursing staff spend their time on activities in a nursing home. Few studies have investigated how nursing staff spend their time on activities in a nursing home. Such information is important for nurse managers in deciding on staff deployment, and for evaluating the effects of changes in nursing practice. A work sampling study with an observational component was undertaken in 2009 with nursing staff at a nursing home. A total of 430 activities were recorded for Registered Nurses, 331 for Endorsed Enrolled Nurses, 5276 for Personal Carers, and 501 for Recreational Activity Officers. Registered Nurses spent 48·4% of their time on communication and 18·1% on medication management. Endorsed Enrolled Nurses spent 37·7% on communication and 29·0% on documentation tasks. Communication was the most time-consuming activity for Recreational Activity Officers and Personal Carers, except that Personal Carers in a high care house spent more time on direct care duties. Hygiene duties and resident interaction were more frequently multitasked by the nursing staff in high care than in low care house. Nursing staff value their face-to-face interaction for successful care delivery. There is need, however, to investigate the effects of this form of communication on quality of care given to residents. Differences in multi-tasked activities between high care and low care houses should be considered when deploying staff in a nursing home. © 2011 Blackwell Publishing Ltd.

  2. Computational Calorimetry: High-Precision Calculation of Host–Guest Binding Thermodynamics

    Science.gov (United States)

    2015-01-01

    We present a strategy for carrying out high-precision calculations of binding free energy and binding enthalpy values from molecular dynamics simulations with explicit solvent. The approach is used to calculate the thermodynamic profiles for binding of nine small molecule guests to either the cucurbit[7]uril (CB7) or β-cyclodextrin (βCD) host. For these systems, calculations using commodity hardware can yield binding free energy and binding enthalpy values with a precision of ∼0.5 kcal/mol (95% CI) in a matter of days. Crucially, the self-consistency of the approach is established by calculating the binding enthalpy directly, via end point potential energy calculations, and indirectly, via the temperature dependence of the binding free energy, i.e., by the van’t Hoff equation. Excellent agreement between the direct and van’t Hoff methods is demonstrated for both host–guest systems and an ion-pair model system for which particularly well-converged results are attainable. Additionally, we find that hydrogen mass repartitioning allows marked acceleration of the calculations with no discernible cost in precision or accuracy. Finally, we provide guidance for accurately assessing numerical uncertainty of the results in settings where complex correlations in the time series can pose challenges to statistical analysis. The routine nature and high precision of these binding calculations opens the possibility of including measured binding thermodynamics as target data in force field optimization so that simulations may be used to reliably interpret experimental data and guide molecular design. PMID:26523125

  3. Charge transport in disordered organic host-guest systems: effects of carrier density and electric field

    NARCIS (Netherlands)

    Yimer, Y.Y.; Bobbert, P.A.; Coehoorn, R.

    2008-01-01

    We investigate charge transport in disordered organic host–guest systems with a bimodal Gaussian density of states (DOS). The energy difference between the two Gaussians defines the trap depth. By solving the Pauli master equation for the hopping of charge carriers on a regular lattice with site

  4. CT Colonography - competition or complementary?: guest editorial ...

    African Journals Online (AJOL)

    South African Gastroenterology Review. Journal Home · ABOUT · Advanced Search · Current Issue · Archives · Journal Home > Vol 2, No 2 (2004) >. Log in or Register to get access to full text downloads.

  5. CT Colonography - competition or complementary?: guest editorial ...

    African Journals Online (AJOL)

    South African Gastroenterology Review. Journal Home · ABOUT THIS JOURNAL · Advanced Search · Current Issue · Archives · Journal Home > Vol 2, No 2 (2004) >. Log in or Register to get access to full text downloads.

  6. Haunted by the authentic

    DEFF Research Database (Denmark)

    d'Ambrosio, Luigi

    2013-01-01

    and individual interviews with relevant guests at the Italian restaurant Sticchi’s in Aalborg, Denmark. Guests have been selected for qualitative interviews on the basis of the quantitative questionnaire that random guests have filled out in February 2013. Moreover, netnographic observation of the restaurant......Research description and purpose: The purpose of this investigation is to explore Danish guests’ experience when consuming ‘authentic’ Italian food in Italian restaurants in Denmark. In this context, the aim of the research is to engage in a discussion of the concept of authenticity in ethnic food...... consumption, and the guests’ experience with and reaction to the authentic culinary experience in ethnic restaurants in the consumers’ home country. Design/Methodology: The paper methodology is based on the use of mixed methods. A collection of primary quantitative and qualitative data through a questionnaire...

  7. Charge transport in disordered organic host-guest systems: effects of carrier density and electric field

    NARCIS (Netherlands)

    Yimer, Y.Y.; Bobbert, P.A.; Coehoorn, R.

    2009-01-01

    We investigate charge transport in disordered organic host–guest systems with a bimodal Gaussian density of states. The energy difference between the peaks of the two Gaussians defines the trap depth. By solving the Pauli master equation for the hopping of charge carriers on a regular lattice we

  8. Genetic Mediation of the Home Environment during Infancy: A Sibling Adoption Study of the HOME.

    Science.gov (United States)

    Braungart, Julia M.; And Others

    1992-01-01

    The home environment of nonadoptive and adoptive sibling pairs was assessed using the Home Observation for Measurement of the Environment when each sibling was one and two years of age. Correlations between home environment scores for nonadoptive siblings were greater than those for adoptive siblings. (BC)

  9. Meals in nursing homes

    DEFF Research Database (Denmark)

    Kofod, Jens Erik; Birkemose, A.

    2004-01-01

    Undernutrition is present among 33% of nursing home residents in Denmark. Hence, it is relevant to examine the meal situation at nursing homes to single out factors that may increase or reduce the residents' food intake. in the ongoing Danish nursing home debate it is claimed that a new type...... of nursing home improves the residents' meal situation with a positive effect on nutrition. The aim of this work is to test the general hypothesis that (i) residents appreciate the meal situation in these nursing homes and (ii) nutritional status of the residents is improved in this type of nursing home....... This study was carried out in four Danish nursing homes at various locations in Denmark. The methods used are qualitative interviews and observations at four nursing homes in combination with measurement of body mass index (BMI) at two of the four nursing homes. Undernutrition is defined as a BMI below 20...

  10. The HOME Inventory and Family Demographics.

    Science.gov (United States)

    Bradley, Robert H.; Caldwell, Bettye M.

    1984-01-01

    Examines the relation between the Home Observation for Measurement of Environment (HOME) Inventory and sex, race, socioeconomic status, the amount of crowding in the home, and birth order. Performs multivariate analysis of covariance on an intact family sample using HOME subscales as criterion measures and status and structural variables as…

  11. Predictors of Home Care Expenditures and Death at Home for Cancer Patients in an Integrated Comprehensive Palliative Home Care Pilot Program

    Science.gov (United States)

    Howell, Doris M.; Abernathy, Tom; Cockerill, Rhonda; Brazil, Kevin; Wagner, Frank; Librach, Larry

    2011-01-01

    Purpose: Empirical understanding of predictors for home care service use and death at home is important for healthcare planning. Few studies have examined these predictors in the context of the publicly funded Canadian home care system. This study examined predictors for home care use and home death in the context of a “gold standard” comprehensive palliative home care program pilot in Ontario where patients had equal access to home care services. Methods: Secondary clinical and administrative data sources were linked using a unique identifier to examine multivariate factors (predisposing, enabling, need) on total home care expenditures and home death for a cohort of cancer patients enrolled in the HPCNet pilot. Results: Subjects with gastrointestinal symptoms (OR: 1.64; p=0.03) and those with higher income had increased odds of dying at home (OR: 1.14; phome care expenditures. Conclusions: Predictors of home death found in earlier studies appeared less important in this comprehensive palliative home care pilot. An income effect for home death observed in this study requires examination in future controlled studies. Relevance: Access to palliative home care that is adequately resourced and organized to address the multiple domains of issues that patients/families experience at the end of life has the potential to enable home death and shift care appropriately from limited acute care resources. PMID:22294993

  12. The use of supportive communication when responding to older people’s emotional distress in home care: an observational study.

    NARCIS (Netherlands)

    Hafskjold, L.; Sundling, V.; Dulmen, S. van; Eide, H.

    2017-01-01

    Background: Responding to older people’s distress by acknowledging or encouraging further discussion of emotions is central to supportive, person-centred communication, and may enhance home care outcomes and thereby promote healthy aging. This observational study describes nursing staff’s responses

  13. Solid-state {sup 2}H NMR investigations in guest-host systems and plastic crystals

    Energy Technology Data Exchange (ETDEWEB)

    Garibay, J.A.V.

    2004-07-01

    Variable temperature {sup 2}H NMR investigations have been carried out to study the molecular behavior of perdeuterated benzene and pyridine in the inclusion compound with tris-(1,2-dioxyphenyl)-cyclotriphosphazene. Here, a comprehensive variable temperature {sup 2}H NMR study is presented comprising line shape studies and relaxation experiments. The experimental data clearly indicate the presence of highly mobile guest species. Sample cooling gives rise to characteristic line shape effects that can be attributed to a slow-down of the rotational motion. Additional {sup 2}H NMR measurements were performed on the plastic crystal 1,4-diazabicyclo[2,2,2]octane where highly mobile species were observed. A quantitative analysis of the experimental data is achieved by appropriate computer simulations taking into account various molecular motions for each studied system. The analysis of these theoretical data give rise to the kinetic parameters that are in the order of related systems. (orig.)

  14. In-home contextual reality: a qualitative analysis using the Multiple Errands Test Home Version (MET-Home).

    Science.gov (United States)

    Burns, Suzanne Perea; Pickens, Noralyn Davel; Dawson, Deirdre R; Perea, Jaimee D; Vas, Asha K; Marquez de la Plata, Carlos; Neville, Marsha

    2018-02-06

    Adults with stroke frequently experience executive dysfunction. Despite the range of assessments that examine the effects of executive dysfunction on daily tasks, there remains a paucity of literature that examines the influence of the environment on performance in the community. The MET-Home is an ecologically valid assessment for examining post-stroke executive dysfunction in the home environment. This qualitative study explores the relationship between the environment and MET-Home performance among home-dwelling adults with stroke and matched controls. Using a descriptive qualitative approach, we analysed video, interview, and observation notes from a MET-Home validation study. An overarching theme of interplay between everyday task performance and the home environment produced further themes: naturalistically emerging supports and barriers and environment as strategy. Within naturalistically emerging supports and barriers, five contextual sub-themes were discovered: physical environment, social environment, temporal context, virtual context, and personal context. Within environment as strategy, we identified four sub-themes: reducing distractions, using everyday technologies, planning in context, and seeking social support. These findings extend the conceptualisation of how we evaluate executive dysfunction in the context of the community to also consider the inherent influence of the environment.

  15. Communication of Slovenian Tourism Workers with Italian guests

    Directory of Open Access Journals (Sweden)

    Silva Gomzi Praprotnik

    2016-12-01

    Full Text Available For an Italian guest, getting to know Slovenia as a tourist destination is inevitably connected with getting to know the Slovenian cuisine. Italians are a nation eagerly developing the culture of food, and therefore the gastronomic offer in a certain environment and at a certain time is for them often the basis for a comprehensive perception of the said destination. A good offer, a suitable marketing and an attractive presentation of typical Slovenian dishes play an important role in getting to know natural and cultural heritage as they can widen the knowledge about people and places, eliminate prejudice and strengthen intercultural cooperation. Kind and professional staff, knowledge of the language, civilisation, cultural habits, and differences may be the factors contributing to the assertion of local products and services, and to educating the users of restaurant and tourism services.

  16. STRATEGIC MARKETING ALTERNATIVES AT AGRO-TOURISM GUEST HOUSE LEVEL

    Directory of Open Access Journals (Sweden)

    Violeta-Andreea ANDREIANA

    2013-10-01

    Full Text Available During the last years, tourists started to turn away from the mass tourism and consider the alternative one. Therefore, various forms of tourism were born, among which the rural tourism, to be regarded from two perspectives: it contributes to local and regional development and brings benefits to tourism by creating a new, higher quality holiday concept. This requires the participation of local authorities in the preparing of area development strategies, involving the inhabitants and local traders. By following up the dramatic condition of the Romanian tourism, the insufficient development of the rural tourism and the low involvement degree of the local authorities, we proposed an assessment and recommended strategic marketing alternatives for the improvement of the current condition of the agro tourism guest houses.

  17. What does built-in software of home ventilators tell us? An observational study of 150 patients on home ventilation.

    Science.gov (United States)

    Pasquina, Patrick; Adler, Dan; Farr, Pamela; Bourqui, Pascale; Bridevaux, Pierre Olivier; Janssens, Jean-Paul

    2012-01-01

    Recent home ventilators are equipped with built-in software which provides data such as compliance, estimations of leaks, tidal volume, minute ventilation, respiratory rate, apnea and apnea-hypopnea indexes, and percentage of inspirations triggered by the patient (or ventilator). However, for many of these variables, there is neither consensus nor documentation as to what is to be expected in a population of stable patients under noninvasive ventilation (NIV). To document the values and distribution of specific items downloaded from ventilator monitoring software, by diagnostic category. Analysis of data downloaded from home ventilators in clinically stable patients under long-term NIV, during elective home visits by specialized nurses. Data were collected from home ventilators of 150 patients with chronic obstructive pulmonary disease (n = 32), overlap syndrome (n = 29), obesity-hypoventilation (n = 38), neuromuscular disorders (n = 19), restrictive disorders (n = 21), and central sleep apnea syndrome (n = 11). On average, leaks were low, being lowest in patients with facial masks (vs. nasal masks), and increased with older age. Compliance was excellent in all groups. Patients with neuromuscular diseases triggered their ventilators less and tended to be 'captured', while other groups triggered at least half of inspiratory cycles. Most patients had a respiratory rate just slightly above the back-up rate. Residual apneas and hypopneas were highest in patients with central apneas. Built-in software of home ventilators provides the clinician with new parameters, some of which are a useful adjunct to recommended tools for monitoring NIV and may contribute to a better understanding of residual hypoventilation and/or desaturations. However, an independent validation of the accuracy of this information is mandatory. Copyright © 2011 S. Karger AG, Basel.

  18. Nanoparticle guests in lyotropic liquid crystals

    Science.gov (United States)

    Dölle, Sarah; Park, Ji Hyun; Schymura, Stefan; Jo, Hyeran; Scalia, Giusy; Lagerwall, Jan P. F.

    In this chapter we discuss the benefits, peculiarities and main challenges related to nanoparticle templating in lyotropic liquid crystals. We first give a brief bird's-eye view of the field, discussing different nanoparticles as well as different lyotropic hosts that have been explored, but then quickly focus on the dispersion of carbon nanotubes in surfactant-based lyotropic nematic phases. We discuss in some detail how the transfer of orientational order from liquid crystal host to nanoparticle guest can be verified and which degree of ordering can be expected, as well as the importance of choosing the right surfactant and its concentration for the stability of the nanoparticle suspension. We introduce a method for dispersing nanoparticles with an absolute minimum of stabilizing surfactant, based on dispersion below the Krafft temperature, and we discuss the peculiar phenomenon of filament formation in lyotropic nematic phases with a sufficient concentration of well-dispersed carbon nanotubes. Finally, we describe how the total surfactant concentration in micellar nematics can be greatly reduced by combining cat- and anionic surfactants, and we discuss how nanotubes can help in inducing the liquid crystal phase close to the isotropic-nematic boundary.

  19. Telemedicine in Neonatal Home Care

    DEFF Research Database (Denmark)

    Holm, Kristina Garne; Brødsgaard, Anne; Zachariassen, Gitte

    2016-01-01

    participatory design and qualitative methods. Data were collected from observational studies, individual interviews, and focus group interviews. Two neonatal units participated. One unit was experienced in providing neonatal home care with home visits, and the other planned to offer neonatal home care......BACKGROUND: For the majority of preterm infants, the last weeks of hospital admission mainly concerns tube feeding and establishment of breastfeeding. Neonatal home care (NH) was developed to allow infants to remain at home for tube feeding and establishment of breastfeeding with regular home...... visits from neonatal nurses. For hospitals covering large regions, home visits may be challenging, time consuming, and expensive and alternative approaches must be explored. OBJECTIVE: To identify parental needs when wanting to provide neonatal home care supported by telemedicine. METHODS: The study used...

  20. Microcalorimetric and spectrographic studies on host-guest interactions of {alpha}-, {beta}-, {gamma}- and M{beta}-cyclodextrin with resveratrol

    Energy Technology Data Exchange (ETDEWEB)

    Li, Hui; Xu, Xiangyu; Liu, Min [College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, Shandong Province (China); Sun, Dezhi, E-mail: sundezhisdz@163.com [College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, Shandong Province (China); Li, Linwei, E-mail: lilinwei@lcu.edu.cn [College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, Shandong Province (China)

    2010-10-20

    Thermal effects of inclusion processes of {alpha}-, {beta}-, {gamma}- and M{beta}-cyclodextrin with resveratrol (RES) in aqueous solutions were determined by isothermal titration calorimetry (ITC) with nanowatt sensitivity at the temperature of 298.15 K. Standard enthalpy changes, stoichiometry and equilibrium constants of the inclusion complexes were derived from the direct calorimetric data utilizing nonlinear simulation. The thermodynamic parameters were discussed in the light of weak interactions between the host and the guest molecules combining with UV spectral message. The results indicate that all of the complexes formed in the aqueous solutions are in 1:1 stoichiometry. The binding processes of {alpha}-, {beta}- and M{beta}-cyclodextrin with the guest are mainly driven by enthalpy, while that of {gamma}-cyclodextrin with the drug is driven by both enthalpy and entropy.

  1. Caged Molecular Glues as Photoactivatable Tags for Nuclear Translocation of Guests in Living Cells.

    Science.gov (United States)

    Arisaka, Akio; Mogaki, Rina; Okuro, Kou; Aida, Takuzo

    2018-02-21

    We developed dendritic caged molecular glues ( Caged Glue-R) as tags for nucleus-targeted drug delivery, whose multiple guanidinium ion (Gu + ) pendants are protected by an anionic photocleavable unit (butyrate-substituted nitroveratryloxycarbonyl; BA NVOC). Negatively charged Caged Glue-R hardly binds to anionic biomolecules because of their electrostatic repulsion. However, upon exposure of Caged Glue-R to UV light or near-infrared (NIR) light, the BA NVOC groups of Caged Glue-R are rapidly detached to yield an uncaged molecular glue ( Uncaged Glue-R) that carries multiple Gu + pendants. Because Gu + forms a salt bridge with PO 4 - , Uncaged Glue-R tightly adheres to anionic biomolecules such as DNA and phospholipids in cell membranes by a multivalent salt-bridge formation. When tagged with Caged Glue-R, guests can be taken up into living cells via endocytosis and hide in endosomes. However, when the Caged Glue-R tag is photochemically uncaged to form Uncaged Glue-R, the guests escape from the endosome and migrate into the cytoplasm followed by the cell nucleus. We demonstrated that quantum dots (QDs) tagged with Caged Glue-R can be delivered efficiently to cell nuclei eventually by irradiation with light.

  2. Palliative home care: A designer′s perspective

    Directory of Open Access Journals (Sweden)

    Tigmanshu Bhatnagar

    2015-01-01

    Full Text Available The purpose for this observational research was to understand how Can Support provides palliative care at home and analyze its strengths and weaknesses in various socioeconomic scenarios for future development. In the period of 2 weeks, patients and their caregivers were silently observed in their natural surroundings during home care visits in order to listen their problems, identify the pattern of questions for the home care team, their natural way of storytelling, organizational techniques for medicines and medical reports, care givers lives, patient journey, etc. Such observations have enabled the understanding of the phenomena of home palliative care and have led to the identification of certain influential variables of the practice.

  3. Development and preliminary validation of an Observation List for detecting mental disorders and social Problems in the elderly in primary and home care (OLP).

    Science.gov (United States)

    Tak, Erwin C P M; van Hespen, Ariëtte T H; Verhaak, Peter F M; Eekhof, Just; Hopman-Rock, Marijke

    2016-07-01

    Even though the prevalence of mental disorders and social problems is high among elderly patients, it is difficult to detect these in a primary (home) care setting. Goal was the development and preliminary validation of a short observation list to detect six problem areas: anxiety, depression, cognition, suspicion, loneliness, and somatisation. A draft list of indicators identified from a short review of the literature and the opinions of 22 experts was evaluated by general practitioners (GPs) and home care organisations for feasibility. It was then used by GPs and home care personnel to observe patients, who also completed validated tests for psychological disorders (General Health Questionnaire 12 item version (GHQ-12)), depression (Geriatric Depression Scale 15-item version (GDS-15)), anxiety and suspicion (Symptom Checklist-90 (SCL-90)), loneliness (University of California, Los Angeles (UCLA)), somatisation (Illness Attitude Scale (IAS)), and cognition (Mini-Mental State Examination (MMSE)). GPs and home care personnel observed 180 patients (mean age 78.4 years; 66% female) and evaluated the draft list during a regular visit. Cronbach's α was 0.87 for the draft list and ≥0.80 for the draft problem areas (loneliness and suspicion excepted). Principal component analysis identified six components (cognition, depression + loneliness, somatisation, anxiety + suspicion, depression (other signs), and an ambiguous component). Convergent validity was shown for the indicators list as a whole (using the GHQ-12), and the subscales of depression, anxiety, loneliness, cognition, and somatisation. Using pre-set agreed criteria, the list was reduced to 14 final indicators divided over five problem areas. The Observation List for mental disorders and social Problems (OLP) proved to be preliminarily valid, reliable, and feasible for use in primary and home care settings. Copyright © John Wliey & Sons, Ltd. Copyright © 2015 John Wiley & Sons, Ltd.

  4. Ionic core–shell dendrimers with a polycationic core: structural aspects and host–guest binding properties

    NARCIS (Netherlands)

    van de Coevering, R.; Bruijnincx, P.C.A.; Lutz, M.; Spek, A.L.; van Koten, G.; Klein Gebbink, R.J.M.

    2007-01-01

    The structural aspects and host–guest binding properties of ionic core–shell dendrimers [1]Br8 and [2]Br4, which bear a polycationic core and a neutral shell of Fréchet-type poly(benzyl aryl ether) dendrons, have been investigated by means of dendritic wedges [3]Br2 and [4]Br, that resemble one of

  5. A Nexus between Theory and Experiment: Non-Empirical Quantum Mechanical Computational Methodology Applied to Cucurbit[n]uril⋅Guest Binding Interactions.

    Science.gov (United States)

    Hostaš, Jiří; Sigwalt, David; Šekutor, Marina; Ajani, Haresh; Dubecký, Matúš; Řezáč, Jan; Zavalij, Peter Y; Cao, Liping; Wohlschlager, Christian; Mlinarić-Majerski, Kata; Isaacs, Lyle; Glaser, Robert; Hobza, Pavel

    2016-11-21

    A training set of eleven X-ray structures determined for biomimetic complexes between cucurbit[n]uril (CB[7 or 8]) hosts and adamantane-/diamantane ammonium/aminium guests were studied with DFT-D3 quantum mechanical computational methods to afford ΔG calcd binding energies. A novel feature of this work is that the fidelity of the BLYP-D3/def2-TZVPP choice of DFT functional was proven by comparison with more accurate methods. For the first time, the CB[n]⋅guest complex binding energy subcomponents [for example, ΔE dispersion , ΔE electrostatic , ΔG solvation , binding entropy (-TΔS), and induced fit E deformation(host) , E deformation(guest) ] were calculated. Only a few weeks of computation time per complex were required by using this protocol. The deformation (stiffness) and solvation properties (with emphasis on cavity desolvation) of cucurbit[n]uril (n=5, 6, 7, 8) isolated host molecules were also explored by means of the DFT-D3 method. A high ρ 2 =0.84 correlation coefficient between ΔG exptl and ΔG calcd was achieved without any scaling of the calculated terms (at 298 K). This linear dependence was utilized for ΔG calcd predictions of new complexes. The nature of binding, including the role of high energy water molecules, was also studied. The utility of introduction of tethered [-(CH 2 ) n NH 3 ] + amino loops attached to N,N-dimethyl-adamantane-1-amine and N,N,N',N'-tetramethyl diamantane-4,9-diamine skeletons (both from an experimental and a theoretical perspective) is presented here as a promising tool for the achievement of new ultra-high binding guests to CB[7] hosts. Predictions of not yet measured equilibrium constants are presented herein. © 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  6. Host-guest chemistry of dendrimer-drug complexes. 4. An in-depth look into the binding/encapsulation of guanosine monophosphate by dendrimers.

    Science.gov (United States)

    Hu, Jingjing; Fang, Min; Cheng, Yiyun; Zhang, Jiahai; Wu, Qinglin; Xu, Tongwen

    2010-06-03

    In the present study, we investigated the host-guest chemistry of dendrimer/guanosine monophosphate (GMP) and present an in-depth look into the binding/encapsulation of GMP by dendrimers using NMR studies. (1)H NMR spectra showed a significant downfield shift of methylene protons in the outmost layer of the G5 dendrimer, indicating the formation of ion pairs between cationic amine groups of dendrimer and anionic phosphate groups of GMP. Chemical shift titration results showed that the binding constant between G5 dendrimer and GMP is 17,400 M(-1) and each G5 dendrimer has 107 binding sites. The binding of GMP to dendrimers prevents its aggregation in aqueous solutions and thereby enhances its stability. Nuclear Overhauser effect measurements indicated that a GMP binding and encapsulation balance occurs on the surface and in the interior of dendrimer. The binding/encapsulation transitions can be easily tailored by altering the surface and interior charge densities of the dendrimer. All these findings provide a new insight into the host-guest chemistry of dendrimer/guest complexes and may play important roles in the study of dendrimer/DNA aggregates by a "bottom-up" strategy.

  7. Selective Organic and Organometallic Reactions in Water-Soluble Host-Guest Supramolecular Systems

    Energy Technology Data Exchange (ETDEWEB)

    Pluth, Michael D.; Raymond, Kenneth N.; Bergman, Robert G.

    2008-02-16

    Inspired by the efficiency and selectivity of enzymes, synthetic chemists have designed and prepared a wide range of host molecules that can bind smaller molecules with their cavities; this area has become known as 'supramolecular' or 'host-guest' chemistry. Pioneered by Lehn, Cram, Pedersen, and Breslow, and followed up by a large number of more recent investigators, it has been found that the chemical environment in each assembly - defined by the size, shape, charge, and functional group availability - greatly influences the guest-binding characteristics of these compounds. In contrast to the large number of binding studies that have been carried out in this area, the exploration of chemistry - especially catalytic chemistry - that can take place inside supramolecular host cavities is still in its infancy. For example, until the work described here was carried out, very few examples of organometallic reactivity inside supramolecular hosts were known, especially in water solution. For that reason, our group and the group directed by Kenneth Raymond decided to take advantage of our complementary expertise and attempt to carry out metal-mediated C-H bond activation reactions in water-soluble supramolecular systems. This article begins by providing background from the Raymond group in supramolecular coordination chemistry and the Bergman group in C-H bond activation. It goes on to report the results of our combined efforts in supramolecular C-H activation reactions, followed by extensions of this work into a wider range of intracavity transformations.

  8. Understanding hospitality house guests' needs: a brief case report.

    Science.gov (United States)

    Duncan, Mary Katherine Waibel

    2011-08-01

    A.E. Kazak's (2006) call to develop theory-driven and empirically supported programs aimed at strengthening the competencies of families affected by pediatric illness applies to both medical and nonmedical facilities and institutions that care for pediatric patients and their loved ones. M.K.W. Duncan and A. Blugis (in press, this issue) note that despite the intuitive and practical nature of Maslow's Hierarchy of Needs, no theory translates into an infallible understanding of any individual guest's needs or a program of universally applied best practice standards for meeting those needs. Using Maslow's theory as a framework, this brief report describes the complexity and fluidity of one mother's needs during her stay at a hospitality house following the birth of her premature twin babies. Copyright © 2011 Elsevier Inc. All rights reserved.

  9. Low-cost measurement techniques to characterize the influence of home heating fuel on carbon monoxide in Navajo homes.

    Science.gov (United States)

    Casey, Joanna Gordon; Ortega, John; Coffey, Evan; Hannigan, Michael

    2018-06-01

    A large fraction of the global population relies on the inefficient combustion of solid fuels for cooking and home heating, resulting in household exposure to combustion byproducts. In the southwestern United States, unhealthy air quality has been observed in some homes that use solid fuels as a primary source of heat on the Navajo Nation. In order to better understand how home heating fuel choice can influence indoor air quality in this region, we used recently developed low-cost electrochemical sensors to measure carbon monoxide (CO) air mole fractions continuously inside and outside 41 homes in two communities on the Navajo Nation. Using low-cost sensors in this study, which don't require extensive training to operate, enabled collaboration with local Diné College students and faculty in the planning and implementation of home deployments. Households used natural gas, propane, pellets, wood, and/or coal for heating. We developed quantification methods that included uncertainty estimation for Alphasense CO-B4 sensors, for measurements both inside and outside homes. CO concentrations elevated above background were observed in homes in each heating fuel group, but the highest hourly concentrations were observed in wood and coal burning homes, some of which exceeded World Health Organization Guidelines on both an hourly and eight-hourly basis. In order to probe the many factors that can influence indoor pollutant concentrations, we developed and implemented methods that employ CO emission and decay time periods observed in homes during everyday activities to estimate air exchange rates as well as CO emission rates on the basis of a given well-mixed volume of air. The air quality measurement tools and methods demonstrated in this study can be readily extended to indoor air quality studies in other communities around the world to inform how home heating and cooking practices are influencing indoor air quality during normal daily activities. Copyright © 2018 Elsevier

  10. Adsorption Mechanism of Inhibitor and Guest Molecules on the Surface of Gas Hydrates.

    Science.gov (United States)

    Yagasaki, Takuma; Matsumoto, Masakazu; Tanaka, Hideki

    2015-09-23

    The adsorption of guest and kinetic inhibitor molecules on the surface of methane hydrate is investigated by using molecular dynamics simulations. We calculate the free energy profile for transferring a solute molecule from bulk water to the hydrate surface for various molecules. Spherical solutes with a diameter of ∼0.5 nm are significantly stabilized at the hydrate surface, whereas smaller and larger solutes exhibit lower adsorption affinity than the solutes of intermediate size. The range of the attractive force is subnanoscale, implying that this force has no effect on the macroscopic mass transfer of guest molecules in crystal growth processes of gas hydrates. We also examine the adsorption mechanism of a kinetic hydrate inhibitor. It is found that a monomer of the kinetic hydrate inhibitor is strongly adsorbed on the hydrate surface. However, the hydrogen bonding between the amide group of the inhibitor and water molecules on the hydrate surface, which was believed to be the driving force for the adsorption, makes no contribution to the adsorption affinity. The preferential adsorption of both the kinetic inhibitor and the spherical molecules to the surface is mainly due to the entropic stabilization arising from the presence of cavities at the hydrate surface. The dependence of surface affinity on the size of adsorbed molecules is also explained by this mechanism.

  11. [Care quality: reliability and usefulness of observation data in bench marking nursing homes and homes for the aged in the Netherlands].

    Science.gov (United States)

    Frijters, Dinnus; Gerritsen, Debby; Steverink, Nardi

    2003-02-01

    Before including quality of care indicators in the Benchmark of Nursing Homes and Homes for the Aged in the Netherlands the reliability of the patient data collection, and usefulness had to be established. The patient data items were derived from the Resident Assessment Instruments (RAI) and a questionnaire on social interaction in elderly people. Three nursing homes and three homes for the aged participated in the test with 550 patients. 279 x 2 assessments were collected by independent raters for an inter rater reliability test; 259 x 2 by the same rater for a reliability test-retest; and 24 by a single rater. The scores on paired assessment forms were compared with the weighted Kappa agreement test. The test results allowed 10 of the 13 quality indicators from RAI to be retained. In addition new quality indicators could be defined on 'giving attention' and 'unrespectful addressing'. We estimate on the basis of a questionnaire for the raters that on average 9 to 12 minutes per patient are needed to collect and enter data for the resulting 12 quality indicators.

  12. Guest Editorial: Improving the doing business conditions and ...

    African Journals Online (AJOL)

    African Journal of Food, Agriculture, Nutrition and Development. Journal Home · ABOUT THIS JOURNAL · Advanced Search · Current Issue · Archives · Journal Home > Vol 15, No 5 (2015) >. Log in or Register to get access to full text downloads.

  13. The metaphor of nurse as guest with ethical implications for nursing and healthcare.

    Science.gov (United States)

    Milton, Constance L

    2005-10-01

    Current healthcare advertising and customer relations terminology acknowledge that healthcare providers, including nurses, are to act as hosts for persons who enter into healthcare agencies and institutions. Indeed, much has been written aligning nursing and other healthcare services with consumer-oriented roles of the hospitality service industry commonly associated with hotels and restaurants. From a human becoming perspective, this article discusses possible ethical, administrative, and practice implications of nurses acting as guests entering into the lives of those we serve.

  14. The effect of host relaxation and dynamics on guest molecule dynamics in H2/tetrahydrofuranhydrate.

    Science.gov (United States)

    Peterson, Vanessa K; Shoko, Elvis; Kearley, Gordon J

    2011-01-01

    We use ab initio molecular dynamics simulations to obtain classically the effects of H2O cage motions on the potential-energy surface (PES) of encapsulated H2 in the H2/tetrahydrofuran-hydrate system. The significant differences between the PES for the H2 in rigid and flexible cages that we find will influence calculation of the quantum dynamics of the H2. Part of these differences arises from the relaxation of the H2O cage around the classical H2, with a second part arising from the coupling of both translational and rotational motions of H2 with the H20 cage. We find that isotopic substitution of 2H for 1H of the H2O cage affects the coupling, which has implications for experiments that require the use of 2H2O, including inelastic neutron scattering that uses 2H2O cages in order to focus on the H2 guest dynamics. Overall, this work emphasizes the importance of taking into account cage dynamics in any approach used to understand the dynamics of H2 guests in porous framework materials.

  15. Second-home electricity consumption

    International Nuclear Information System (INIS)

    Andersen, Frits M.; Christensen, Morten S.; Jensen, Ole Michael; Kofoed, Niels-Ulrik; Morthorst, Poul Erik

    2008-01-01

    In Denmark, electricity consumption in first and second homes has developed quite differently. Since 1990, electricity consumption in ordinary residences has grown moderately, while consumption in weekend and second homes has increased considerably. In turn, this development has been blamed on a growing number of luxury cottages, new legislation permitting senior citizens to have their permanent address in their second home and a growing number of electric appliances. In order to examine the growing electricity consumption in second homes and to estimate future demand, a multidisciplinary study combining top-down and bottom-up analyses was conducted, i.e., combining models using aggregated economic parameters and feasibility studies using technical parameters, respectively. The top-down estimation showed that changes in electricity consumption in second homes correlate to changes in income. The bottom-up estimation showed that consumption was mainly affected by the frequency with which second homes were used in the winter time. This indicates that additional second homes, increased full-time use and intensified use of electric appliances are the main reasons for the observed increases in electricity consumption. Luxury tourism use and senior citizens' that use a few per cent of the second homes as their home contribute to a minor degree to the overall increase of electricity consumption. Scenarios show that this development may accelerate with increased leisure time, increased use and more permanent settlement in second homes

  16. The Impact of Certificate-of-Need Laws on Nursing Home and Home Health Care Expenditures.

    Science.gov (United States)

    Rahman, Momotazur; Galarraga, Omar; Zinn, Jacqueline S; Grabowski, David C; Mor, Vincent

    2016-02-01

    Over the past two decades, nursing homes and home health care agencies have been influenced by several Medicare and Medicaid policy changes including the adoption of prospective payment for Medicare-paid postacute care and Medicaid-paid long-term home and community-based care reforms. This article examines how spending growth in these sectors was affected by state certificate-of-need (CON) laws, which were designed to limit the growth of providers and have remained unchanged for several decades. Compared with states without CON laws, Medicare and Medicaid spending in states with CON laws grew faster for nursing home care and more slowly for home health care. In particular, we observed the slowest growth in community-based care in states with CON for both the nursing home and home health industries. Thus, controlling for other factors, public postacute and long-term care expenditures in CON states have become dominated by nursing homes. © The Author(s) 2015.

  17. Acquiring taste in home economics?

    DEFF Research Database (Denmark)

    Stenbak Larsen, Christian

    Objective: To explore how home economics was taught in Denmark before the recent Danish school reform, which also revised the objectives and content of home economics, naming it Food Knowledge (Madkundskab) Methods: Participant observation was done in home economic lessons in two case schools...... appreciated by the group of boys, and others again learned to stick with their idiosyncrasies when pressured by the teacher. Conclusions: Children were acquiring taste in the home economic lessons, but not only the kind of tastes that the teacher had planned for. This leads to reflections on the very complex...... process of taste acquiring and to a call for further research into taste acquiring in complex real life contexts as home economics lessons....

  18. Home advantage in the Winter Olympics (1908-1998).

    Science.gov (United States)

    Balmer, N J; Nevill, A M; Williams, A M

    2001-02-01

    We obtained indices of home advantage, based on the medals won by competing nations, for each event held at the Winter Olympics from 1908 to 1998. These indices were designed to assess home advantage while controlling for nation strength, changes in the number of medals on offer and the performance of 'non-hosting' nations. Some evidence of home advantage was found in figure skating, freestyle skiing, ski jumping, alpine skiing and short track speed skating. In contrast, little or no home advantage was observed in ice hockey, Nordic combined, Nordic skiing, bobsled, luge, biathlon or speed skating. When all events were combined, a significant home advantage was observed (P = 0.029), although no significant differences in the extent of home advantage were found between events (P > 0.05). When events were grouped according to whether they were subjectively assessed by judges, significantly greater home advantage was observed in the subjectively assessed events (P = 0.037). This was a reflection of better home performances, suggesting that judges were scoring home competitors disproportionately higher than away competitors. Familiarity with local conditions was shown to have some effect, particularly in alpine skiing, although the bobsled and luge showed little or no advantage over other events. Regression analysis showed that the number of time zones and direction of travel produced no discernible trends or differences in performance.

  19. Observation of interstitial molecular hydrogen in clathrate hydrates.

    Science.gov (United States)

    Grim, R Gary; Barnes, Brian C; Lafond, Patrick G; Kockelmann, Winfred A; Keen, David A; Soper, Alan K; Hiratsuka, Masaki; Yasuoka, Kenji; Koh, Carolyn A; Sum, Amadeu K

    2014-09-26

    The current knowledge and description of guest molecules within clathrate hydrates only accounts for occupancy within regular polyhedral water cages. Experimental measurements and simulations, examining the tert-butylamine + H2 + H2O hydrate system, now suggest that H2 can also be incorporated within hydrate crystal structures by occupying interstitial sites, that is, locations other than the interior of regular polyhedral water cages. Specifically, H2 is found within the shared heptagonal faces of the large (4(3)5(9)6(2)7(3)) cage and in cavities formed from the disruption of smaller (4(4)5(4)) water cages. The ability of H2 to occupy these interstitial sites and fluctuate position in the crystal lattice demonstrates the dynamic behavior of H2 in solids and reveals new insight into guest-guest and guest-host interactions in clathrate hydrates, with potential implications in increasing overall energy storage properties. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  20. Could In-Home Sensors Surpass Human Observation of People with Parkinson’s at High Risk of Falling? An Ethnographic Study

    Directory of Open Access Journals (Sweden)

    Emma Stack

    2016-01-01

    Full Text Available Self-report underpins our understanding of falls among people with Parkinson’s (PwP as they largely happen unwitnessed at home. In this qualitative study, we used an ethnographic approach to investigate which in-home sensors, in which locations, could gather useful data about fall risk. Over six weeks, we observed five independently mobile PwP at high risk of falling, at home. We made field notes about falls (prior events and concerns and recorded movement with video, Kinect, and wearable sensors. The three women and two men (aged 71 to 79 years having moderate or severe Parkinson’s were dependent on others and highly sedentary. We most commonly noted balance protection, loss, and restoration during chair transfers, walks across open spaces and through gaps, turns, steps up and down, and tasks in standing (all evident walking between chair and stairs, e.g.. Our unobtrusive sensors were acceptable to participants: they could detect instability during everyday activity at home and potentially guide intervention. Monitoring the route between chair and stairs is likely to give information without invading the privacy of people at high risk of falling, with very limited mobility, who spend most of the day in their sitting rooms.

  1. A general equilibrium model of guest-worker migration: the source-country perspective.

    Science.gov (United States)

    Djajic, S; Milbourne, R

    1988-11-01

    "This paper examines the problem of guest-worker migration from an economy populated by identical, utility-maximizing individuals with finite working lives. The decision to migrate, the rate of saving while abroad, as well as the length of a migrant's stay in the foreign country, are all viewed as part of a solution to an intertemporal optimization problem. In addition to studying the microeconomic aspects of temporary migration, the paper analyses the determinants of the equilibrium flow of migrants, the corresponding domestic wage, and the level of welfare enjoyed by a typical worker. Effects of an emigration tax are also investigated." excerpt

  2. Second-home electricity consumption

    Energy Technology Data Exchange (ETDEWEB)

    Andersen, Frits M.; Morthorst, Poul Erik [Risoe, Systems Analysis Department, Technical University of Denmark, P.O. Box 49, DK-4000 Roskilde (Denmark); Christensen, Morten S.; Kofoed, Niels-Ulrik [Esbensen Consulting Engineers, Carl Jacobsens Vej 25D, DK-2500 Valby (Denmark); Jensen, Ole Michael [Danish Building Research Institute, Department of Energy and Environment, University of Aalborg, P.O. Box 119, DK-2970 Horsholm (Denmark)

    2008-01-15

    In Denmark, electricity consumption in first and second homes has developed quite differently. Since 1990, electricity consumption in ordinary residences has grown moderately, while consumption in weekend and second homes has increased considerably. In turn, this development has been blamed on a growing number of luxury cottages, new legislation permitting senior citizens to have their permanent address in their second home and a growing number of electric appliances. In order to examine the growing electricity consumption in second homes and to estimate future demand, a multidisciplinary study combining top-down and bottom-up analyses was conducted, i.e., combining models using aggregated economic parameters and feasibility studies using technical parameters, respectively. The top-down estimation showed that changes in electricity consumption in second homes correlate to changes in income. The bottom-up estimation showed that consumption was mainly affected by the frequency with which second homes were used in the winter time. This indicates that additional second homes, increased full-time use and intensified use of electric appliances are the main reasons for the observed increases in electricity consumption. Luxury tourism use and senior citizens' that use a few per cent of the second homes as their home contribute to a minor degree to the overall increase of electricity consumption. Scenarios show that this development may accelerate with increased leisure time, increased use and more permanent settlement in second homes. (author)

  3. Investigating the relative influences of molecular dimensions and binding energies on diffusivities of guest species inside nanoporous crystalline materials

    NARCIS (Netherlands)

    Krishna, R.; van Baten, J.M.

    2012-01-01

    The primary objective of this article is to investigate the relative influences of molecular dimensions and adsorption binding energies on unary diffusivities of guest species inside nanoporous crystalline materials such as zeolites and metal-organic frameworks (MOFs). The investigations are based

  4. Spatial, Hysteretic, and Adaptive Host-Guest Chemistry in a Metal-Organic Framework with Open Watson-Crick Sites.

    Science.gov (United States)

    Cai, Hong; Li, Mian; Lin, Xiao-Rong; Chen, Wei; Chen, Guang-Hui; Huang, Xiao-Chun; Li, Dan

    2015-09-01

    Biological and artificial molecules and assemblies capable of supramolecular recognition, especially those with nucleobase pairing, usually rely on autonomous or collective binding to function. Advanced site-specific recognition takes advantage of cooperative spatial effects, as in local folding in protein-DNA binding. Herein, we report a new nucleobase-tagged metal-organic framework (MOF), namely ZnBTCA (BTC=benzene-1,3,5-tricarboxyl, A=adenine), in which the exposed Watson-Crick faces of adenine residues are immobilized periodically on the interior crystalline surface. Systematic control experiments demonstrated the cooperation of the open Watson-Crick sites and spatial effects within the nanopores, and thermodynamic and kinetic studies revealed a hysteretic host-guest interaction attributed to mild chemisorption. We further exploited this behavior for adenine-thymine binding within the constrained pores, and a globally adaptive response of the MOF host was observed. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  5. Passivation of ZnO Nanowire Guests and 3D Inverse Opal Host Photoanodes for Dye-Sensitized Solar Cells

    KAUST Repository

    Labouchere, Philippe; Chandiran, Aravind Kumar; Moehl, Thomas; Harms, Hauke; Chavhan, Sudam; Tena-Zaera, Ramon; Nazeeruddin, Mohammad Khaja; Graetzel, Michael; Tetreault, Nicolas

    2014-01-01

    A hierarchical host-guest nanostructured photoanode is reported for dye-sensitized solar cells. It is composed of ZnO nanowires grown in situ into the macropores of a 3D ZnO inverse opal structure, which acts both as a seed layer and as a conductive

  6. A Home Away from Home

    DEFF Research Database (Denmark)

    McIlvenny, Paul

    2008-01-01

    The House of Tiny Tearaways (HTT) first appeared on British television in May 2005. Over a six-day period, three families are invited to reside in a specially designed house together with a resident clinical psychologist. The house is to be “a home away from home” for the resident families...... in order to analyze excerpts from the program and to explore how the affordances and constraints of the specially designed house—its architecture and spatial configuration, as well as the surveillance technology embedded within its walls—are assembled within particular familial activities, and how...... the relationships between family members are reshaped as a result. The analysis focuses on several key phenomena: 1) practices of video observation in relation to the domestic sphere; 2) use of inscription devices, such as video displays, to capture and visualize behavior and action in the “home;” 3) practicing...

  7. Effect of Hydrophobic Chain Length on the Stability and Guest Exchange Behavior of Shell-Sheddable Micelles Formed by Disulfide-Linked Diblock Copolymers.

    Science.gov (United States)

    Fan, Haiyan; Li, Yixia; Yang, Jinxian; Ye, Xiaodong

    2017-10-19

    Reduction-responsive micelles hold enormous promise for application as drug carriers due to the fast drug release triggered by reducing conditions and high anticancer activity. However, the effect of hydrophobic chain length on the stability and guest exchange of reduction-responsive micelles, especially for the micelles formed by diblock copolymers containing single disulfide group, is not fully understood. Here, shell-sheddable micelles formed by a series of disulfide-linked copolymer poly(ethylene glycol)-b-poly(ε-caprolactone) (PEG-SS-PCL) containing the same chain length of PEG but different chain lengths of hydrophobic block PCL were prepared and well characterized. The influence of the chain length of hydrophobic PCL block on the stability and guest exchange of PEG-SS-PCL micelles was studied by the use of both dynamic laser light scattering (DLS) and fluorescence resonance energy transfer (FRET). The results show that longer PCL chains lead to a slower aggregation rate and guest exchange of micelles in the aqueous solutions containing 10 mM dithiothreitol (DTT). The cell uptake of the shell-sheddable PEG-SS-PCL micelles in vitro shows that the amount of internalization of dyes loaded in PEG-SS-PCL micelles increases with the chain length of hydrophobic PCL block investigated by flow cytometric analysis and confocal fluorescence microscopy.

  8. Through-Space Paramagnetic NMR Effects in Host-Guest Complexes: Potential Ruthenium(III) Metallodrugs with Macrocyclic Carriers.

    Science.gov (United States)

    Chyba, Jan; Novák, Martin; Munzarová, Petra; Novotný, Jan; Marek, Radek

    2018-04-05

    The potential of paramagnetic ruthenium(III) compounds for use as anticancer metallodrugs has been investigated extensively during the past several decades. However, the means by which these ruthenium compounds are transported and distributed in living bodies remain relatively unexplored. In this work, we prepared several novel ruthenium(III) compounds with the general structure Na + [ trans-Ru III Cl 4 (DMSO)(L)] - (DMSO = dimethyl sulfoxide), where L stands for pyridine or imidazole linked with adamantane, a hydrophobic chemophore. The supramolecular interactions of these compounds with macrocyclic carriers of the cyclodextrin (CD) and cucurbit[ n]uril (CB) families were investigated by NMR spectroscopy, X-ray diffraction analysis, isothermal titration calorimetry, and relativistic DFT methods. The long-range hyperfine NMR effects of the paramagnetic guest on the host macrocycle are related to the distance between them and their relative orientation in the host-guest complex. The CD and CB macrocyclic carriers being studied in this account can be attached to a vector that attracts the drug-carrier system to a specific biological target and our investigation thus introduces a new possibility in the field of targeted delivery of anticancer metallodrugs based on ruthenium(III) compounds.

  9. Analysis of rapidly synthesized guest-filled porous complexes with synchrotron radiation: practical guidelines for the crystalline sponge method

    Energy Technology Data Exchange (ETDEWEB)

    Ramadhar, Timothy R. [Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, 240 Longwood Avenue, Boston, Massachusetts, 02115 (United States); Zheng, Shao-Liang [Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts, 02138 (United States); Chen, Yu-Sheng [ChemMatCARS, Center for Advanced Radiation Sources, The University of Chicago c/o Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois, 60439 (United States); Clardy, Jon, E-mail: jon-clardy@hms.harvard.edu [Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, 240 Longwood Avenue, Boston, Massachusetts, 02115 (United States)

    2015-01-01

    This report describes complete practical guidelines and insights for the crystalline sponge method, which have been derived through the first use of synchrotron radiation on these systems, and includes a procedure for faster synthesis of the sponges. These guidelines will be applicable to crystal sponge data collected at synchrotrons or in-house facilities, and will allow researchers to obtain reliable high-quality data and construct chemically and physically sensible models for guest structural determination. A detailed set of synthetic and crystallographic guidelines for the crystalline sponge method based upon the analysis of expediently synthesized crystal sponges using third-generation synchrotron radiation are reported. The procedure for the synthesis of the zinc-based metal–organic framework used in initial crystal sponge reports has been modified to yield competent crystals in 3 days instead of 2 weeks. These crystal sponges were tested on some small molecules, with two being unexpectedly difficult cases for analysis with in-house diffractometers in regard to data quality and proper space-group determination. These issues were easily resolved by the use of synchrotron radiation using data-collection times of less than an hour. One of these guests induced a single-crystal-to-single-crystal transformation to create a larger unit cell with over 500 non-H atoms in the asymmetric unit. This led to a non-trivial refinement scenario that afforded the best Flack x absolute stereochemical determination parameter to date for these systems. The structures did not require the use of PLATON/SQUEEZE or other solvent-masking programs, and are the highest-quality crystalline sponge systems reported to date where the results are strongly supported by the data. A set of guidelines for the entire crystallographic process were developed through these studies. In particular, the refinement guidelines include strategies to refine the host framework, locate guests and determine

  10. Analysis of rapidly synthesized guest-filled porous complexes with synchrotron radiation: practical guidelines for the crystalline sponge method

    International Nuclear Information System (INIS)

    Ramadhar, Timothy R.; Zheng, Shao-Liang; Chen, Yu-Sheng; Clardy, Jon

    2015-01-01

    This report describes complete practical guidelines and insights for the crystalline sponge method, which have been derived through the first use of synchrotron radiation on these systems, and includes a procedure for faster synthesis of the sponges. These guidelines will be applicable to crystal sponge data collected at synchrotrons or in-house facilities, and will allow researchers to obtain reliable high-quality data and construct chemically and physically sensible models for guest structural determination. A detailed set of synthetic and crystallographic guidelines for the crystalline sponge method based upon the analysis of expediently synthesized crystal sponges using third-generation synchrotron radiation are reported. The procedure for the synthesis of the zinc-based metal–organic framework used in initial crystal sponge reports has been modified to yield competent crystals in 3 days instead of 2 weeks. These crystal sponges were tested on some small molecules, with two being unexpectedly difficult cases for analysis with in-house diffractometers in regard to data quality and proper space-group determination. These issues were easily resolved by the use of synchrotron radiation using data-collection times of less than an hour. One of these guests induced a single-crystal-to-single-crystal transformation to create a larger unit cell with over 500 non-H atoms in the asymmetric unit. This led to a non-trivial refinement scenario that afforded the best Flack x absolute stereochemical determination parameter to date for these systems. The structures did not require the use of PLATON/SQUEEZE or other solvent-masking programs, and are the highest-quality crystalline sponge systems reported to date where the results are strongly supported by the data. A set of guidelines for the entire crystallographic process were developed through these studies. In particular, the refinement guidelines include strategies to refine the host framework, locate guests and determine

  11. XMM-Newton X-ray Observatory Guest Observer program (AO-1) at CASA

    Science.gov (United States)

    Skinner, Stephen L.

    2003-01-01

    In this research program, we obtained and analyzed X-ray observations of the Wolf-Rayet (WR) star WR 110 (HD 165688) using the XMM-Newton space-based observatory. Radio observations were also obtained using the Very Large Array (VLA) radio telescope located in New Mexico and operated by the Natl. Radio Astronomy Observatory (NRAO). This star was targeted for observations primarily because it is believed to be a single WR star without a companion. Single WR stars are thought to emit X-rays from cool plasma in shocks distributed throughout their powerful stellar winds. However, there has been little observational work done to test this idea since single WR stars are relatively weak X-ray sources and have been difficult to detect with previous generation telescopes. The launch of XMM-Newton provides a new telescope that is much more sensitive than its predecessors, allowing single WR stars to be studied in detail for the first time. X-ray emission was clearly detected from WR 110. Analysis of its spectrum yields a surprising result. Its X-ray emitting plasma is distributed over a range of temperatures and is dominated by relatively cool plasma with a characteristic temperature T is approximately 6 million K. Such plasma can be explained by existing theoretical wind shock models. However, the spectrum also shows hotter plasma whose temperature is uncertain but is thought to be in excess of T approximately 30 million K. The origin of this hotter plasma is yet unknown, but possible mechanisms are identified

  12. Enhanced host–guest electrochemical recognition of herbicide MCPA using a b-cyclodextrin carbon nanotube sensor

    OpenAIRE

    Rahemi, V.; Vandamme, J.J.; Garrido, J.M.P.J.; Borges, F.; Brett, C.M.A.; Garrido, E.M.P.J.

    2012-01-01

    An electrochemical sensor for the determination of the chlorophenoxy herbicide MCPA has been developed, based on a combination of multi-walled carbon nanotubes with incorporated b-cyclodextrin and a polyaniline film modified glassy carbon electrode. The proposed molecular host–guest recogni-tion based sensor has a high electrochemical sensitivity for the determination of MCPA. The electrochemical behaviour of MCPA at the chemically modified electrode was investigated in detail by cyclic volta...

  13. Intersecting Homeliness: Vietnamese Australian Reflections of a Suburban Home (Strathfield, NSW

    Directory of Open Access Journals (Sweden)

    Helary Ngo

    2015-09-01

    Full Text Available In year 2013, I lived in Vietnam. Once a year, the Vietnamese people have a particular tradition called khom đất, where the people set out a guest table filled with delicious feast of food and paper clothing, shoes, accessories and money for the spirits of the house. Khom in khom đất means a set of rituals or prayer to bow down and pay respect. Đất means land. It is a ritual which acknowledges the spirits within the home and the agency these spirits have to the home. There would be separate rituals for different types of spirits and incense would burn as an offering to various places. For example, an incense and food offering would be on an alter directly above the fire stove in the kitchen to be grateful to the fire spirit of the home. There is a belief that if the fire spirit gets angry, the spirit may be a danger to the family. The spirit has the agency and a power over the home. It is a ritual to recognise that a home has its ghosts, its history and its spirits that reside long before the current people residents and that they have the power to protect or destroy. Mostly, it is to recognaise that land and place is not to be owned, and matters such as fire or water or wood is not mere commodities. Rather, these materialities are living and only would be at our disposal to help us when they given the respect and recognition that they are living and are powerful agents. Within the Vietnamese language, there is no specific word for differentiate ‘home’ and ‘house’ but rather, use the word ‘house’ to mean both the building and the home – nhà (Rather then state, ‘I go home’ one states literally, ‘I return to the house’ – Tôi về nhà. To state house rather than home could mean that home is not to be possessed but rather, has it’s own agency, vitality and spirit. With this in mind, I will tell you about a particular uncanny phenomenon that has happened in my family home in Strathfield (a loved family home where

  14. Neutral Guest Capture via Lewis Acid/Base Molecular Square Receptors. X-ray Crystal Structure of {Cyclobis[(cis-(dppp)Pt(4-ethynylpyridyl)(2))(cis- (PEt(3))(2)Pt)]Ag(2)}(+6)(phenazine)- ((-)OSO(2)CF(3))(6).

    Science.gov (United States)

    Whiteford, Jeffery A.; Stang, Peter J.; Huang, Songping D.

    1998-10-19

    Interaction of {cyclobis[(cis-(dppp)Pt(4-ethynylpyridyl)(2))(cis-(L)M)]Ag(2)}(+6)((-)OSO(2)CF(3))(6), where M = Pt(II) or Pd(II) and L = dppp or 2PEt(3), with pyridine, pyrazine, phenazine, or 4,4'-dipyridyl ketone results in coordination Lewis acid/base host-guest assemblies via the "pi-tweezer effect" and mono or bis neutral guest coordination. All host-guest complexes are air stable microcrystalline solids with decomposition points greater than 170 degrees C. The homometallic Pt(II) receptors are more stable than the heteroaromatic Pt(II)-Pd(II) receptors toward heteratom-containing aromatic guests. The X-ray crystal structure of the host-guest complex {cyclobis[(cis-(dppp)Pt(4-ethynylpyridyl)(2))(cis-(PEt(3))(2)Pt)]Ag(2)}(+6)(phenazine)((-)OSO(2)CF(3))(6) is reported. The crystals with the empirical formula C(62)H(68)AgF(9)N(3)O(9)P(4)Pt(2)S(3) are triclinic P&onemacr; with a = 12.3919(8) Å, b = 17.160(1) Å, c = 18.932(1) Å, alpha = 90.892(1) degrees, beta = 97.127(1) degrees, gamma = 89.969(1) degrees, and Z = 2.

  15. Monitoring Quality Across Home Visiting Models: A Field Test of Michigan's Home Visiting Quality Assurance System.

    Science.gov (United States)

    Heany, Julia; Torres, Jennifer; Zagar, Cynthia; Kostelec, Tiffany

    2018-06-05

    Introduction In order to achieve the positive outcomes with parents and children demonstrated by many home visiting models, home visiting services must be well implemented. The Michigan Home Visiting Initiative developed a tool and procedure for monitoring implementation quality across models referred to as Michigan's Home Visiting Quality Assurance System (MHVQAS). This study field tested the MHVQAS. This article focuses on one of the study's evaluation questions: Can the MHVQAS be applied across models? Methods Eight local implementing agencies (LIAs) from four home visiting models (Healthy Families America, Early Head Start-Home Based, Parents as Teachers, Maternal Infant Health Program) and five reviewers participated in the study by completing site visits, tracking their time and costs, and completing surveys about the process. LIAs also submitted their most recent review by their model developer. The researchers conducted participant observation of the review process. Results Ratings on the MHVQAS were not significantly different between models. There were some differences in interrater reliability and perceived reliability between models. There were no significant differences between models in perceived validity, satisfaction with the review process, or cost to participate. Observational data suggested that cross-model applicability could be improved by assisting sites in relating the requirements of the tool to the specifics of their model. Discussion The MHVQAS shows promise as a tool and process to monitor implementation quality of home visiting services across models. The results of the study will be used to make improvements before the MHVQAS is used in practice.

  16. Effects of electron blocking and hole trapping of the red guest emitter materials on hybrid white organic light emitting diodes

    International Nuclear Information System (INIS)

    Hong, Lin-Ann; Vu, Hoang-Tuan; Juang, Fuh-Shyang; Lai, Yun-Jr; Yeh, Pei-Hsun; Tsai, Yu-Sheng

    2013-01-01

    Hybrid white organic light emitting diodes (HWOLEDs) with fluorescence and phosphorescence hybrid structures are studied in this work. HWOLEDs were fabricated with blue/red emitting layers: fluorescent host material doped with sky blue material, and bipolar phosphorescent host emitting material doped with red dopant material. An electron blocking layer is applied that provides hole red guest emitter hole trapping effects, increases the charge carrier injection quantity into the emitting layers and controls the recombination zone (RZ) that helps balance the device color. Spacer layers were also inserted to expand the RZ, increase efficiency and reduce energy quenching along with roll-off effects. The resulting high efficiency warm white OLED device has the lower highest occupied molecule orbital level red guest material, current efficiency of 15.9 cd/A at current density of 20 mA/cm 2 , and Commission Internationale de L'Eclairage coordinates of (0.34, 0.39)

  17. Effects of electron blocking and hole trapping of the red guest emitter materials on hybrid white organic light emitting diodes

    Energy Technology Data Exchange (ETDEWEB)

    Hong, Lin-Ann; Vu, Hoang-Tuan [National Formosa University, Institute of Electro-Optical and Materials Science, Huwei, Yunlin County, Taiwan (China); Juang, Fuh-Shyang, E-mail: fsjuang@seed.net.tw [National Formosa University, Institute of Electro-Optical and Materials Science, Huwei, Yunlin County, Taiwan (China); Lai, Yun-Jr [National Formosa University, Institute of Electro-Optical and Materials Science, Huwei, Yunlin County, Taiwan (China); Yeh, Pei-Hsun [Raystar Optronics, Inc., 5F No. 25, Keya Rd. Daya Township, Taichung County, Taiwan (China); Tsai, Yu-Sheng [National Formosa University, Institute of Electro-Optical and Materials Science, Huwei, Yunlin County, Taiwan (China)

    2013-10-01

    Hybrid white organic light emitting diodes (HWOLEDs) with fluorescence and phosphorescence hybrid structures are studied in this work. HWOLEDs were fabricated with blue/red emitting layers: fluorescent host material doped with sky blue material, and bipolar phosphorescent host emitting material doped with red dopant material. An electron blocking layer is applied that provides hole red guest emitter hole trapping effects, increases the charge carrier injection quantity into the emitting layers and controls the recombination zone (RZ) that helps balance the device color. Spacer layers were also inserted to expand the RZ, increase efficiency and reduce energy quenching along with roll-off effects. The resulting high efficiency warm white OLED device has the lower highest occupied molecule orbital level red guest material, current efficiency of 15.9 cd/A at current density of 20 mA/cm{sup 2}, and Commission Internationale de L'Eclairage coordinates of (0.34, 0.39)

  18. Home health care nurses' perceptions of empowerment.

    Science.gov (United States)

    Williamson, Kathleen M

    2007-01-01

    This exploratory study involved the triangulation of qualitative (interview and observation) and quantitative methods (Psychological Empowerment Instrument). This study examined the individual home care nurses' perception of empowerment and how it influences decisions in the home clinical setting. Fifteen nurses were self-selected to participate. All completed an interview, and were observed and given Likert Instrument to complete. A framework analysis was performed to identify mutually exclusive and exhaustive emergent themes and patterns within the data. Home care nurses described that enpowerment is in the interaction between nurse and patient, and nurse and health care provider. Empowered is defined as being independent, confident, trusting, and comfortable with providing quality care. Home health care nurses believe that having the ability to practice collaboratively and build professional relationships was essential. Nurses in this study perceived empowerment as having meaning, choice, and competence in their job.

  19. Transfer and control of molecular chirality in the 1 : 2 host-guest supramolecular complex consisting of Mg(II)bisporphyrin and chiral diols: the effect of H-bonding on the rationalization of chirality.

    Science.gov (United States)

    Ikbal, Sk Asif; Brahma, Sanfaori; Rath, Sankar Prasad

    2014-11-21

    A clear rationalization of the origin of chirality transfer from an optically active diol guest to an achiral Mg(ii)bisporphyrin host in a series of 1 : 2 host-guest supramolecular complexes has been reported here that has so far remained the most outstanding issue for the chirogenic process.

  20. Development of a unique product: Perception of guests in Tourism in vineyard cottages on the local environment

    Directory of Open Access Journals (Sweden)

    Le- Marija Colarič-Jakše

    2017-11-01

    Full Text Available Purpose and Originality: Tourism in vineyard cottages is new, authentic, unique tourism product, which involves the area of wine-growing land Posavje, with districts of Dolenjska (Lower Carniola Region, Bela Krajina and Obsotelje-Kozjansko, where are the wine-growing areas with vineyards and vineyard cottages. Tourists in vineyard cottages bring economic benefits to the local community. Method: With the research we gained the information, where local residents can see positive and where negative impacts of guests who come to the vineyard cottages. As the part of descriptive approach in our research we used a method of a description about the opinion of local residents on impact of arriving tourists in tourist vineyard cottages on the local environment and the method of a compilation discoveries, observations and results. In the activities of analytical approach we are going on the base about the results of questioning individual cases and conclusion about opinion of local inhabitants in the area of marketing the tourism product Tourism in vineyard cottages. Results: Considering the results of the research, individual interviews with guests in the area of product Tourism in vineyard cottages and responses in the local environment, we evaluate, that the product has unique, authentic, original and attractive approach with all the possibilities, that it becomes one of the most recognizable, wanted and paraded integral product of Slovenian tourism. Society: New, innovative, attractive, unique and authentic product Tourism in vineyard cottages, which is developed in the wine-growing region Posavje, it has an extremely great potential, because it is one of the most recognizable forms of tourism in the countryside areas, and it has extra perspective with the creating local stories and connecting into the integral tourism products. Limitations / further research: It is necessary, that also other owners of the vineyard cottages, who are not included into

  1. Home safe home: Evaluation of a childhood home safety program.

    Science.gov (United States)

    Stewart, Tanya Charyk; Clark, Andrew; Gilliland, Jason; Miller, Michael R; Edwards, Jane; Haidar, Tania; Batey, Brandon; Vogt, Kelly N; Parry, Neil G; Fraser, Douglas D; Merritt, Neil

    2016-09-01

    The London Health Sciences Centre Home Safety Program (HSP) provides safety devices, education, a safety video, and home safety checklist to all first-time parents for the reduction of childhood home injuries. The objective of this study was to evaluate the HSP for the prevention of home injuries in children up to 2 years of age. A program evaluation was performed with follow-up survey, along with an interrupted time series analysis of emergency department (ED) visits for home injuries 5 years before (2007-2013) and 2 years after (2013-2015) implementation. Spatial analysis of ED visits was undertaken to assess differences in home injury rates by dissemination areas controlling differences in socioeconomic status (i.e., income, education, and lone-parent status) at the neighborhood level. A total of 3,458 first-time parents participated in the HSP (a 74% compliance rate). Of these, 20% (n = 696) of parents responded to our questionnaire, with 94% reporting the program to be useful (median, 6; interquartile range, 2 on a 7-point Likert scale) and 81% learning new strategies for preventing home injuries. The median age of the respondent's babies were 12 months (interquartile range, 1). The home safety check list was used by 87% of respondents to identify hazards in their home, with 95% taking action to minimize the risk. The time series analysis demonstrated a significant decline in ED visits for home injuries in toddlers younger than2 years of age after HSP implementation. The declines in ED visits for home injuries remained significant over and above each socioeconomic status covariate. Removing hazards, supervision, and installing safety devices are key facilitators in the reduction of home injuries. Parents found the HSP useful to identify hazards, learn new strategies, build confidence, and provide safety products. Initial finding suggests that the program is effective in reducing home injuries in children up to 2 years of age. Therapeutic/care management study

  2. [Contradiction and intention of actual situation and statistical observation on home custody of mental patients].

    Science.gov (United States)

    Kanekawa, Hideo

    2012-01-01

    Actual Situation and Statistical Observation on Home Custody of Mental Patients (1918) by Kure and Kashida has diverse content but contains many contradictions. This book is a record of investigations performed by 15 psychiatrists regarding home custody of mental patients in 15 prefectures between 1910 and 1916. The book is written in archaic Japanese and contains a mixture of old Kanji characters and Katakana, so few people have read the entire book in recent years. We thoroughly read the book over 2 years, and presented the results of our investigation and analysis. The contents were initially published in Tokyo Journal of Medical Sciences as a series of 4 articles, and published as a book in 1918. The Department of the Interior distributed 100 copies of the book to relevant personnel. Until its dissolution in 1947, the Department of the Interior included the Police Department and had a great deal of authority. The Health and Welfare Ministry became independent from the Department of the Interior in 1938. Therefore, mental institutions were under the supervision of the police force for many years. At the time, an important task for police officers was to search for infectious disease patients and to seclude and restrain them. Thus, home custody for mental patients was also supervised under the direction of the Police Department. This book is a record of an external investigation performed by psychiatrists on home custody supervised by the police. When investigating the conditions, one of the psychiatrists obtained a copy of "Documents for mental patients under confinement" at the local police station. The contents of these documents included records of hearings by the police, as well as applications for confinement submitted by family members, as well as detailed specifications and drawings of the confinement room. With a local photographer, they traveled deep into the mountains to investigate the conditions under which mental patients were living. The book

  3. Quality assessment of home births in Denmark

    DEFF Research Database (Denmark)

    Jensen, Sabrina; Colmorn, Lotte B.; Schroll, Anne-Mette

    2017-01-01

    by nulliparous at home. CONCLUSIONS: This study indicates that home births in Denmark are characterized by a high level of safety owing to low rates of perinatal mortality and morbidity. Missing registration on intrapartum transfers and planned versus unplanned home births in the DMBR are, however, major......INTRODUCTION: The safety of home births has been widely debated. Observational studies examining maternal and neonatal outcomes of home births have become more frequent, and the quality of these studies has improved. The aim of the present study was to describe neonatal outcomes of home births...... compared with hospital births and to discuss which data are needed to evaluate the safety of home births. METHODS: This was a register-based cohort study. Data on all births in Denmark (2003-2013) were collected from the Danish Medical Birth Registry (DMBR). The cohort included healthy women...

  4. Clinical characteristics of pneumonia in bedridden patients receiving home care: a 3-year prospective observational study.

    Science.gov (United States)

    Ishida, Tadashi; Tachibana, Hiromasa; Ito, Akihiro; Ikeda, Satoshi; Furuta, Kenjiro; Nishiyama, Akihiro; Noyama, Maki; Tokioka, Fumiaki; Yoshioka, Hiroshige; Arita, Machiko

    2015-08-01

    The aim of the study was to describe the epidemiology, clinical features, antimicrobial treatment, and outcomes of bedridden pneumonia patients receiving home healthcare. A 3-year prospective observational study of poor performance status (PS) 3-4 patients receiving long-term home healthcare and hospitalized at a single center with pneumonia between October 2010 and September 2013 was conducted, and their clinical characteristics were compared with non-bedridden community-acquired pneumonia (CAP) patients. A total of 131 CAP patients with PS 3-4, and 400 CAP patients with PS 0-2 were evaluated. The PS 3-4 patients were older, and exhibited a higher frequency of underlying diseases. Aspiration was thought to be associated with pneumonia in 77.1% of the PS 3-4 patients. Streptococcus pneumoniae was the leading pathogen in both groups, whereas the frequency of streptococci and polymicrobial infections was higher in the PS 3-4 group. The incidence of multidrug-resistant pathogens such as methicillin-resistant Staphylococcus aureus (MRSA) or Pseudomonas aeruginosa was lower than in previous healthcare-associated pneumonia reports. The in-hospital mortality and recurrence rates were significantly higher in the PS 3-4 group than in the good PS group (17.6% vs. 6.0%, p < 0.001 and 15.3% vs. 7.5%, p = 0.008, respectively). The clinical characteristics of pneumonia in poor PS patients were similar to healthcare-associated pneumonia (HCAP), except for the frequency of drug-resistant pathogens. Hence, it might be beneficial to categorize pneumonia in home residents with poor PS separately from pneumonia in CAP patients who were previously healthy or experienced mild comorbidities. Copyright © 2015 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

  5. Observation of Celestial Phenomena in Ancient China

    Science.gov (United States)

    Sun, Xiaochun

    Because of the need for calendar-making and portent astrology, the Chinese were diligent and meticulous observers of celestial phenomena. China has maintained the longest continuous historical records of celestial phenomena in the world. Extraordinary or abnormal celestial events were particularly noted because of their astrological significance. The historical records cover various types of celestial phenomena, which include solar and lunar eclipses, sunspots, "guest stars" (novae or supernovae as we understand today), comets and meteors, and all kinds of planetary phenomena. These records provide valuable historical data for astronomical studies today.

  6. Prevention of NSAID gastropathy in elderly patients. An observational study in general practice and nursing homes.

    Science.gov (United States)

    van Leen, M W F; van der Eijk, I; Schols, J M G A

    2007-07-01

    The objectives of this study were to (i) survey the risk factors for NSAID gastropathy in outpatients (elderly patients in the community), compared to those living in old people's homes or nursing homes, (ii) study the prescription of medication prophylaxis during use of NSAIDs conform the current national guidelines and (iii) survey the influence on gastrointestinal symptoms and safety of pantoprazole 20 mg as prophylaxis for NSAID gastropathy. Patients over 65 years of age, using an NSAID without prophylaxis or newly starting NSAID treatment were included in the study. Pantoprazole 20 mg was prescribed as prophylaxis. Patients using an NSAID with prophylaxis being a proton pump inhibitor at the first visit were registered for epidemiological reasons. Demographic data, risk factors, gastrointestinal complaints, and adverse events were collected at t = 0, t = 2 weeks, t = 3 months and t = 6 months. Differences between groups were analysed with Chi-square tests and Mann-Whitney U tests; changes in time in GI symptoms were tested using Wilcoxon signed ranks tests and McNemar tests. One hundred eighty one general practitioners (treating outpatients and patients in old people's homes)and five nursing home physicians participated in the study and a total of 615 patients were included (522 patients treated by general practitioners (GP) and 93 patients in nursing homes). Four hundred thirty two patients were using NSAIDs without prophylaxis or started using an NSAID at the first visit; 269 (62.1%) and 163 (37.9%) patients respectively. 65.3% of the outpatients (224 out of 343) did not receive indicated prophylaxis, versus 76.2% (16 out of 21) in old people's homes and 42.6% in nursing homes (29 out of 69) (P NSAID prior to the study complained of gastrointestinal symptoms compared to new users (P NSAIDs caused these symptoms. After 2 weeks of treatment with pantoprazole, there was no statistical difference between the two groups. Moreover, both groups showed improvement

  7. The websites of Japanese Ryokan and eWOM: their impacts on guests' expectation and experience.

    OpenAIRE

    Jimura, Takamitsu

    2011-01-01

    The research aims to investigate the impacts of the websites of ryokan and e-WordOf-Mouth (eWOM) available at the websites of Japanese e-travel agents on the guests' expectation for and experience at ryokan. The research stems from interpretivism and mainly adopts an inductive approach. Netnography is selected as a research strategy. The top three ryokan in terms of sales ranking are chosen. eWOM about these three are analysed, focusing on the impacts of websites and eWOM in developing the gu...

  8. Effects of guest atomic species on the lattice thermal conductivity of type-I silicon clathrate studied via classical molecular dynamics

    Energy Technology Data Exchange (ETDEWEB)

    Kumagai, Tomohisa, E-mail: kumagai@criepi.denken.or.jp; Nakamura, Kaoru; Yamada, Susumu; Ohnuma, Toshiharu [Materials Science Research Laboratory, Central Research Institute of Electric Power Industry, 2-6-1 Nagasaka, Yokosuka, Kanagawa 240-0196 (Japan)

    2016-08-14

    The effects of guest atomic species in Si clathrates on the lattice thermal conductivity were studied using classical molecular dynamics calculations. The interaction between a host atom and a guest atom was described by the Morse potential function while that between host atoms was described by the Tersoff potential. The parameters of the potentials were newly determined for this study such that the potential curves obtained from first-principles calculations for the insertion of a guest atom into a Si cage were successfully reproduced. The lattice thermal conductivities were calculated by using the Green-Kubo method. The experimental lattice thermal conductivity of Ba{sub 8}Ga{sub 16}Si{sub 30} can be successfully reproduced using the method. As a result, the lattice thermal conductivities of type-I Si clathrates, M{sub 8}Si{sub 46} (M = Na, Mg, K, Ca Rb, Sr, Cs, or Ba), were obtained. It is found that the lattice thermal conductivities of M{sub 8}Si{sub 46}, where M is IIA elements (i.e., M = Mg, Ca, Sr, or Ba) tend to be lower than those of M{sub 8}Si{sub 46}, where M is IA elements (i.e., M = Na, K, Rb, or Cs). Those of {sup m}M{sub 8}Si{sub 46}, where m was artificially modified atomic weight were also obtained. The obtained lattice thermal conductivity can be regarded as a function of a characteristic frequency, f{sub c}. That indicates minimum values around f{sub c}=2-4 THz, which corresponds to the center of the frequencies of the transverse acoustic phonon modes associated with Si cages.

  9. Conservation implications for the Himalayan wolf Canis (lupus) himalayensis based on observations of packs and home sites in Nepal

    OpenAIRE

    Werhahn, G; Kusi, N; Sillero-Zubiri, C; Macdonald, DW

    2017-01-01

    We provide insights into pack composition and den site parameters of the Himalayan wolf Canis (lupus) himalayensis based on observations of free-ranging wolves in three study areas in Nepal. We combine this with a social survey of the local Buddhist communities regarding human–carnivore conflict, to draw inferences for conservation practice in the Nepalese Himalayas. We recorded eight wolf packs (with an average composition of two adults and three pups), and found five home sites in high-alti...

  10. Impact of specialist home-based palliative care services in a tertiary oncology set up: a prospective non-randomized observational study.

    Science.gov (United States)

    Dhiliwal, Sunil R; Muckaden, Maryann

    2015-01-01

    Home-based specialist palliative care services are developed to meet the needs of the patients in advanced stage of cancer at home with physical symptoms and distress. Specialist home care services are intended to improve symptom control and quality of life, enable patients to stay at home, and avoid unnecessary hospital admission. Total 690 new cases registered under home-based palliative care service in the year 2012 were prospectively studied to assess the impact of specialist home-based services using Edmonton symptom assessment scale (ESAS) and other parameters. Out of the 690 registered cases, 506 patients received home-based palliative care. 50.98% patients were cared for at home, 28.85% patients needed hospice referral and 20.15% patients needed brief period of hospitalization. All patients receiving specialist home care had good relief of physical symptoms (P care (OOH) through liaising with local general practitioners; 42.68% received home based bereavement care and 91.66% had good bereavement outcomes. Specialist home-based palliative care improved symptom control, health-related communication and psychosocial support. It promoted increased number of home-based death, appropriate and early hospice referral, and averted needless hospitalization. It improved bereavement outcomes, and caregiver satisfaction.

  11. A Three - Dimensional Channel Supramolecular Architecture Based on 3-Amino-2-(4-dimethylaminophenyldiazenyl)-1-phenylbut-2en-1-one and Aromatic Guests

    Czech Academy of Sciences Publication Activity Database

    Macháček, V.; Bertolasi, V.; Šimůnek, P.; Svobodová, M.; Svoboda, Jan; Černošková, E.

    2010-01-01

    Roč. 10, č. 1 (2010), s. 85-91 ISSN 1528-7483 Institutional research plan: CEZ:AV0Z40500505 Keywords : X-ray structure * host-guest inclusion * compounds Subject RIV: CC - Organic Chemistry Impact factor: 4.390, year: 2010

  12. Foraging optimally for home ranges

    Science.gov (United States)

    Mitchell, Michael S.; Powell, Roger A.

    2012-01-01

    Economic models predict behavior of animals based on the presumption that natural selection has shaped behaviors important to an animal's fitness to maximize benefits over costs. Economic analyses have shown that territories of animals are structured by trade-offs between benefits gained from resources and costs of defending them. Intuitively, home ranges should be similarly structured, but trade-offs are difficult to assess because there are no costs of defense, thus economic models of home-range behavior are rare. We present economic models that predict how home ranges can be efficient with respect to spatially distributed resources, discounted for travel costs, under 2 strategies of optimization, resource maximization and area minimization. We show how constraints such as competitors can influence structure of homes ranges through resource depression, ultimately structuring density of animals within a population and their distribution on a landscape. We present simulations based on these models to show how they can be generally predictive of home-range behavior and the mechanisms that structure the spatial distribution of animals. We also show how contiguous home ranges estimated statistically from location data can be misleading for animals that optimize home ranges on landscapes with patchily distributed resources. We conclude with a summary of how we applied our models to nonterritorial black bears (Ursus americanus) living in the mountains of North Carolina, where we found their home ranges were best predicted by an area-minimization strategy constrained by intraspecific competition within a social hierarchy. Economic models can provide strong inference about home-range behavior and the resources that structure home ranges by offering falsifiable, a priori hypotheses that can be tested with field observations.

  13. Absolute binding free energy calculations of CBClip host–guest systems in the SAMPL5 blind challenge

    Science.gov (United States)

    Tofoleanu, Florentina; Pickard, Frank C.; König, Gerhard; Huang, Jing; Damjanović, Ana; Baek, Minkyung; Seok, Chaok; Brooks, Bernard R.

    2016-01-01

    Herein, we report the absolute binding free energy calculations of CBClip complexes in the SAMPL5 blind challenge. Initial conformations of CBClip complexes were obtained using docking and molecular dynamics simulations. Free energy calculations were performed using thermodynamic integration (TI) with soft-core potentials and Bennett’s acceptance ratio (BAR) method based on a serial insertion scheme. We compared the results obtained with TI simulations with soft-core potentials and Hamiltonian replica exchange simulations with the serial insertion method combined with the BAR method. The results show that the difference between the two methods can be mainly attributed to the van der Waals free energies, suggesting that either the simulations used for TI or the simulations used for BAR, or both are not fully converged and the two sets of simulations may have sampled difference phase space regions. The penalty scores of force field parameters of the 10 guest molecules provided by CHARMM Generalized Force Field can be an indicator of the accuracy of binding free energy calculations. Among our submissions, the combination of docking and TI performed best, which yielded the root mean square deviation of 2.94 kcal/mol and an average unsigned error of 3.41 kcal/mol for the ten guest molecules. These values were best overall among all participants. However, our submissions had little correlation with experiments. PMID:27677749

  14. Home parenteral nutrition in children: the Polish experience.

    Science.gov (United States)

    Ksiazyk, J; Lyszkowska, M; Kierkus, J; Bogucki, K; Ratyńska, A; Tondys, B; Socha, J

    1999-02-01

    Home parenteral nutrition has become routine for management of intestinal failure in patients. In Poland the main obstacle to widespread use of home parenteral nutrition is the lack of interest of commercial companies in delivering feedings and ancillaries to patients. Twenty-five home parenteral nutrition patients aged from 4 months to more than 13 years were reviewed. The mother or both parents were trained in home parenteral nutrition techniques for 4 to 6 weeks and compounded the nutrients themselves at home. The mean duration of home parenteral nutrition was 10,117 patient days. Hospital stays of patients receiving parenteral feedings were significantly shorter than the duration of administration of home parenteral nutrition (p rate of catheter occlusion decreased within the observation period, and in 1997 not one case of occlusion was observed. In 1997 only three catheters were removed during 7.8 patient years, and the overall incidence of catheter-related complications was 0.38 per patient year. The overall occurrence of septicemia was one case in 516 days and of catheter infection was one in 459 days. In 1997 a catheter was infected on average of once every 1419 days. There was significant improvement in the z score for weight during therapy. The average monthly cost of nutrients and ancillary items was approximately $1200 (4200 Polish zlotys [PLN]). These costs are 1.6 to 3 times lower than those recorded in other studies. Home parenteral nutrition in children with nutrients mixed by caregivers in the home setting is a safe and appropriate method of treatment that can be used in countries where home parenteral nutrition solutions are not manufactured or where commercial home parenteral nutrition is not economically feasible.

  15. Stability of guest molecules in urea canal complexes by canal polymerization

    International Nuclear Information System (INIS)

    Yoshii, Fumio; Makuuchi, Keizo

    1995-01-01

    It was found that various organic materials are attracted into urea canal by hexanediol diacrylate (HDDA) and long chain compounds. This means that materials which does not form complex by itself are induced in canal by HDDA and long chain compounds. To include with stability perfumes, insecticides, attractants and repellents in urea canal, leaf alcohol was used as a model compound for guest molecules in the canal. The leaf alcohol from the canal released gradually over many days and the release was inhibited for 15 days by long chain compounds and for 30 days by polymerized HDDA after irradiation. After releasing, the leaf alcohol in the canal remained 25 % stable for long chain compounds and 40 % for polymerized HDDA. The dose required for stabilization of leaf alcohol in the urea canal by canal polymerization of HDDA was 30 kGy. (author)

  16. Adaptation and Validation of the HOME-SF as a Caregiver-Report Home Environment Measure for Use in the Taiwan Birth Cohort Study (TBCS)

    Science.gov (United States)

    Wu, Jennifer Chun-Li; Chiang, Tung-liang; Bradley, Robert H.

    2011-01-01

    This study aimed to develop a brief caregiver-report instrument for measuring the home environment of children aged three and under, as part of the Taiwan Birth Cohort Study (TBCS). Instrument development was conducted by translating and adapting the Home Observation for the Measurement of Environment Inventory-Short Form (HOME-SF) which comprises…

  17. Home Health PPS - Reports

    Data.gov (United States)

    U.S. Department of Health & Human Services — Abt Associates July 21, 2010 Analysis of 2000-2008 Home Health Case-mix Change Report estimates the extent to which the observed increases in average case-mix were...

  18. Development of eHOME, a Mobile Instrument for Reporting, Monitoring, and Consulting Drug-Related Problems in Home Care: Human-Centered Design Study.

    Science.gov (United States)

    Dijkstra, Nienke Elske; Sino, Carolina Geertruida Maria; Heerdink, Eibert Rob; Schuurmans, Marieke Joanna

    2018-03-07

    Home care patients often use many medications and are prone to drug-related problems (DRPs). For the management of problems related to drug use, home care could add to the multidisciplinary expertise of general practitioners (GPs) and pharmacists. The home care observation of medication-related problems by home care employees (HOME)-instrument is paper-based and assists home care workers in reporting potential DRPs. To facilitate the multiprofessional consultation, a digital report of DRPs from the HOME-instrument and digital monitoring and consulting of DRPs between home care and general practices and pharmacies is desired. The objective of this study was to develop an electronic HOME system (eHOME), a mobile version of the HOME-instrument that includes a monitoring and a consulting system for primary care. The development phase of the Medical Research Council (MRC) framework was followed in which an iterative human-centered design (HCD) approach was applied. The approach involved a Delphi round for the context of use and user requirements analysis of the digital HOME-instrument and the monitoring and consulting system followed by 2 series of pilots for testing the usability and redesign. By using an iterative design approach and by involving home care workers, GPs, and pharmacists throughout the process as informants, design partners, and testers, important aspects that were crucial for system realization and user acceptance were revealed. Through the report webpage interface, which includes the adjusted content of the HOME-instrument and added home care practice-based problems, home care workers can digitally report observed DRPs. Furthermore, it was found that the monitoring and consulting webpage interfaces enable digital consultation between home care and general practices and pharmacies. The webpages were considered convenient, clear, easy, and usable. By employing an HCD approach, the eHOME-instrument was found to be an easy-to-use system. The systematic

  19. Making home visits: Creativity and the embodied practices of home visiting in social work and child protection.

    Science.gov (United States)

    Ferguson, Harry

    2018-01-01

    Although the home is the most common place where social work goes on, research has largely ignored the home visit. Drawing on a participant observation study of child protection work, this article reveals the complex hidden practices of social work on home visits. It is argued that home visits do not simply involve an extension of the social work organisation, policies and procedures into the domestic domain but the home constitutes a distinct sphere of practice and experience in its own right. Home visiting is shown to be a deeply embodied practice in which all the senses and emotions come into play and movement is central. Through the use of creativity, craft and improvisation practitioners 'make' home visits by skilfully enacting a series of transitions from the office to the doorstep, and into the house, where complex interactions with service users and their domestic space and other objects occur. Looking around houses and working with children alone in their bedrooms were common. Drawing upon sensory and mobile methods and a material culture studies approach, the article shows how effective practice was sometimes blocked and also how the home was skilfully negotiated, moved around and creatively used by social workers to ensure parents were engaged with and children seen, held and kept safe.

  20. Private investment purchase and nursing home financial health.

    Science.gov (United States)

    Orfaly Cadigan, Rebecca; Stevenson, David G; Caudry, Daryl J; Grabowski, David C

    2015-02-01

    To explore the impact of nursing home acquisition by private investment firms on nursing home costs, revenue, and overall financial health. Merged data from the Medicare Cost Reports and the Online Survey, Certification, and Reporting system for the period 1998-2010. Regression specification incorporating facility and time fixed effects. We found little impact on the financial health of nursing homes following purchase by private investment companies. However, our findings did suggest that private investment firms acquired nursing home chains in good financial health, possibly to derive profit from the company's real estate holdings. Private investment acquired facilities are an important feature of today's nursing home sector. Although we did not observe a negative impact on the financial health of nursing homes, this development raises important issues about ownership oversight and transparency for the entire nursing home sector. © Health Research and Educational Trust.

  1. Hospital information technology in home care.

    Science.gov (United States)

    Zhang, Xiao-Ying; Zhang, Pei-Ying

    2016-10-01

    The utilization of hospital information technology (HIT) as a tool for home care is a recent trend in health science. Subjects gaining benefits from this new endeavor include middle-aged individuals with serious chronic illness living at home. Published data on the utilization of health care information technology especially for home care in chronic illness patients have increased enormously in recent past. The common chronic illnesses reported in these studies were primarily on heart and lung diseases. Furthermore, health professionals have confirmed in these studies that HIT was beneficial in gaining better access to information regarding their patients and they were also able to save that information easily for future use. On the other hand, some health professional also observed that the use of HIT in home care is not suitable for everyone and that individuals cannot be replaced by HIT. On the whole it is clear that the use of HIT could complement communication in home care. The present review aims to shed light on these latest aspects of the health care information technology in home care.

  2. Adopt a Care Home: An intergenerational initiative bringing children into care homes.

    Science.gov (United States)

    Di Bona, Laura; Kennedy, Sheila; Mountain, Gail

    2017-01-01

    Dementia friendly communities, in which people living with dementia actively participate and those around them are educated about dementia, may improve the wellbeing of those living with dementia and reduce the associated stigma. The Adopt a Care Home scheme aims to contribute towards this by teaching schoolchildren about dementia and linking them with people living with dementia in a local care home. Forty-one children, 10 people living with dementia and 8 school/care home staff participated in a mixed methods (questionnaires, observations, interviews and focus groups) evaluation to assess the scheme's feasibility and impact. Data were analysed statistically and thematically. The scheme was successfully implemented, increased children's dementia awareness and appeared enjoyable for most participants. Findings, therefore, demonstrate the scheme's potential to contribute towards dementia friendly communities by increasing children's knowledge and understanding of dementia and engaging people living with dementia in an enjoyable activity, increasing their social inclusion.

  3. Analyses of polycyclic aromatic hydrocarbon (PAH) and chiral-PAH analogues-methyl-β-cyclodextrin guest-host inclusion complexes by fluorescence spectrophotometry and multivariate regression analysis.

    Science.gov (United States)

    Greene, LaVana; Elzey, Brianda; Franklin, Mariah; Fakayode, Sayo O

    2017-03-05

    The negative health impact of polycyclic aromatic hydrocarbons (PAHs) and differences in pharmacological activity of enantiomers of chiral molecules in humans highlights the need for analysis of PAHs and their chiral analogue molecules in humans. Herein, the first use of cyclodextrin guest-host inclusion complexation, fluorescence spectrophotometry, and chemometric approach to PAH (anthracene) and chiral-PAH analogue derivatives (1-(9-anthryl)-2,2,2-triflouroethanol (TFE)) analyses are reported. The binding constants (K b ), stoichiometry (n), and thermodynamic properties (Gibbs free energy (ΔG), enthalpy (ΔH), and entropy (ΔS)) of anthracene and enantiomers of TFE-methyl-β-cyclodextrin (Me-β-CD) guest-host complexes were also determined. Chemometric partial-least-square (PLS) regression analysis of emission spectra data of Me-β-CD-guest-host inclusion complexes was used for the determination of anthracene and TFE enantiomer concentrations in Me-β-CD-guest-host inclusion complex samples. The values of calculated K b and negative ΔG suggest the thermodynamic favorability of anthracene-Me-β-CD and enantiomeric of TFE-Me-β-CD inclusion complexation reactions. However, anthracene-Me-β-CD and enantiomer TFE-Me-β-CD inclusion complexations showed notable differences in the binding affinity behaviors and thermodynamic properties. The PLS regression analysis resulted in square-correlation-coefficients of 0.997530 or better and a low LOD of 3.81×10 -7 M for anthracene and 3.48×10 -8 M for TFE enantiomers at physiological conditions. Most importantly, PLS regression accurately determined the anthracene and TFE enantiomer concentrations with an average low error of 2.31% for anthracene, 4.44% for R-TFE and 3.60% for S-TFE. The results of the study are highly significant because of its high sensitivity and accuracy for analysis of PAH and chiral PAH analogue derivatives without the need of an expensive chiral column, enantiomeric resolution, or use of a polarized

  4. Poor dental hygiene and periodontal health in nursing home residents with dementia: an observational study.

    Science.gov (United States)

    Zenthöfer, Andreas; Baumgart, Dominik; Cabrera, Tomas; Rammelsberg, Peter; Schröder, Johannes; Corcodel, Nicoleta; Hassel, Alexander Jochen

    2017-04-01

    Poor oral health conditions are well documented in the institutionalized elderly, but the literature is lacking research on relationships between dementia and periodontal health in nursing home residents. The purpose of this cohort study, therefore, was to assess whether dementia is associated with poor oral health/denture hygiene and an increased risk of periodontal disease in the institutionalized elderly. A total of 219 participants were assessed using the Mini Mental State Examination (MMSE) to determine cognitive state. According to the MMSE outcome, participants scoring ≤20 were assigned to dementia group (D) and those scoring >20 to the non-dementia group (ND), respectively. For each of the groups D and ND, Gingival Bleeding Index (GBI) and Denture Hygiene Index (DHI) linear regression models were used with the confounders age, gender, dementia, number of comorbidities and number of permanent medications. To assess the risk factors for severe periodontitis as measured by the Community Index of Periodontal Treatment Needs, a logistic regression analysis was performed. Statistical analysis revealed no significant differences of GBI as well of DHI for demented and healthy subjects (p > 0.05). Severe periodontitis was detected in 66 % of participants with dementia. The logistic regression showed a 2.9 times increased risk among demented participants (p = 0.006). Oral hygiene, denture hygiene and periodontal health are poor in nursing home residents. The severity of oral problems, primarily periodontitis, seems to be enhanced in subjects suffering from dementia. Longitudinal observations are needed to clarify the cause-reaction relationship.

  5. Homing regularity of different doses bone marrow transplantation in allogeneic hosts

    International Nuclear Information System (INIS)

    Sun Suping; Cai Jianming; Xiang Yingsong; Zhao Fang; Huang Dingde; Gao Jianguo; Yang Rujun

    2001-01-01

    Objective: To explore the homing regularity of different doses of bone marrow cell transplantation. Method: An allogeneic mouse model was used. The homing status of different dose groups from the first day to the forth day after transplantation were observed. Results: The rate of positive cells in bone marrow and spleen: differences among four groups was not significant. The rate of positive cells of third day was highest among four days (P<0.01). A phenomenon that homing-mobilization-re-homing could be observed. The homing efficiency: low dose groups were higher than that high dose groups (P<0.01). Conclusion: The homing efficiency of low dose groups is higher than that of the high dose groups in certain range, the routine method of transplanting a large quantities cells by a single injection may be an waste

  6. Who Can Have Parenteral Antibiotics at Home?: A Prospective Observational Study in Children with Moderate/Severe Cellulitis.

    Science.gov (United States)

    Ibrahim, Laila F; Hopper, Sandy M; Babl, Franz E; Bryant, Penelope A

    2016-03-01

    The benefits of treating children at home or in an ambulatory setting have been well documented. We aimed to describe the characteristics and evaluate the outcomes of children with moderate/severe cellulitis treated at home with intravenous (IV) ceftriaxone via direct referral from the Emergency Department to a hospital-in-the-home (HITH) program. Patients aged 3 months to 18 years with moderate/severe cellulitis referred from a tertiary pediatric Emergency Department to HITH from September 2012 to January 2014 were prospectively identified. Data collection included demographics, clinical features, microbiological characteristics and outcomes. To ensure home treatment did not result in inferior outcomes, these patients were retrospectively compared with patients who were hospitalized for IV flucloxacillin, the standard-of-care over the same period. The primary outcome was home treatment failure necessitating hospital admission. Secondary outcomes included antibiotic changes, complications, length of stay and cost. Forty-one (28%) patients were treated on HITH and 103 (72%) were hospitalized. Compared with hospitalized patients, HITH patients were older (P antibiotic changes was similar in both groups (5% vs. 7%, P = 0.67), as was IV antibiotic duration (2.3 vs. 2.5 days, P = 0.23). Older children with moderate/severe limb cellulitis without systemic symptoms can be treated at home. To ascertain if this practice can be applied more widely, a comparative prospective, ideally randomized, study is needed.

  7. Private Investment Purchase and Nursing Home Financial Health

    Science.gov (United States)

    Cadigan, Rebecca Orfaly; Stevenson, David G; Caudry, Daryl J; Grabowski, David C

    2015-01-01

    Objective To explore the impact of nursing home acquisition by private investment firms on nursing home costs, revenue, and overall financial health. Data Sources Merged data from the Medicare Cost Reports and the Online Survey, Certification, and Reporting system for the period 1998–2010. Study Design Regression specification incorporating facility and time fixed effects. Principal Findings We found little impact on the financial health of nursing homes following purchase by private investment companies. However, our findings did suggest that private investment firms acquired nursing home chains in good financial health, possibly to derive profit from the company’s real estate holdings. Conclusions Private investment acquired facilities are an important feature of today’s nursing home sector. Although we did not observe a negative impact on the financial health of nursing homes, this development raises important issues about ownership oversight and transparency for the entire nursing home sector. PMID:25104476

  8. Hydrothermal crystal growth and Vernier structures of the metal benzenedicarboxylates MIL-47 and MIL-53 containing guest molecules of benzenecarboxylic acid

    International Nuclear Information System (INIS)

    Wang, Xiqu; Jacobson, Allan J.

    2016-01-01

    The nanoporous frameworks VO(bdc), MIL-47, and M(OH)(bdc), MIL-53; bdc=1,4-benzenedicarboxylate, can absorb various guest species in their channels. As synthesized, the channels are filled with H 2 bdc molecules that have been reported to be disordered, except for [In(OH)bdc](H 2 bdc) 3/4 , 1, which has a inorganic-organic hybrid Vernier structure with the H 2 bdc molecules forming an ordered sublattice. Based on X-ray data from large single crystals grown by hydrothermal techniques, similar Vernier structures have been found for MIL-47, [VO(bdc)](H 2 bdc) 5/7 , 2, MIL-53Al, [Al(OH)(bdc)](H 2 bdc) 11/16 , 3, and MIL-53Ga, [Ga(OH)(bdc)](H 2 bdc) 12/17 , 4. The Vernier structures of 2–4 at room temperature were determined based on superstructure unit cells that index both host and guest sublattices: 2, space group P2 1 , a=23.903(2), b=17.191(2), c=25.722(2) Å, β=105.914(8)°; 3, P2 1 /n, a=105.224(4), b=12.2441(5), c=17.0143(6) Å, β=89.99(1)°; 4, P2 1 , a=114.562(5), b=12.1503(5), c=17.4275(7) Å, β=89.99(1)°. The number of guest H 2 bdc molecules per framework metal ion is determined by the ratio of the repeat distances of the two sublattices which depends on the size of the metal ion in the octahedral chain. The octahedral chains are parallel to [201] in 2, and to [100] in 3 and 4. Remarkably, all atoms in 3 and 4 show significant sinusoidal modulations transverse to the chain axis. - Graphical abstract: The sinusoidal modulation along the channel axis direction involving all atoms in the structure of [Al(OH)(bdc)](H 2 bdc) 11/16 . - Highlights: • Crystal growth of MIL-47, MIL-53Al, and MIL-53Ga. • The Vernier structures have corner-sharing MO6 octrahedral chains and chains of H2BDC molecules. • The stoichiometry is determined by the ratio of the host framework to the guest H2BDC column lengths. • A correlation is established between the stoichiometry and the radius of the metal ion. • All atoms in the Al and Ga compounds show sinusoidal

  9. Development and preliminary validation of an Observation List for detecting mental disorders and social Problems in the elderly in primary and home care (OLP).

    NARCIS (Netherlands)

    Tak, E.C.P.M.; Hespen, A.T.H. van; Verhaak, P.F.M.; Eekhof, J.; Hopman-Rock, M.

    2016-01-01

    Objective: Even though the prevalence of mental disorders and social problems is high among elderly patients, it is difficult to detect these in a primary (home) care setting. Goal was the development and preliminary validation of a short observation list to detect six problem areas: anxiety,

  10. Development and preliminary validation of an Observation List for detecting mental disorders and social Problems in the elderly in primary and home care (OLP)

    NARCIS (Netherlands)

    Tak, E.C.P.M.; Hespen, A.T.H. van; Verhaal, P.F.M.; Eekhof, J.; Hopman-Rock, M.

    2016-01-01

    Objective: Even though the prevalence of mental disorders and social problems is high among elderly patients, it is difficult to detect these in a primary (home) care setting. Goal was the development and preliminary validation of a short observation list to detect six problem areas: anxiety,

  11. [Home childbirth: progress or retrocession?].

    Science.gov (United States)

    de Sanfelice, Clara Fróes Oliveira; Shimo, Antonieta Keiko Kakuda

    2014-03-01

    Giving birth at home represents a rising modality of delivery care in the Brazilian society, although in unrepresentative proportion when compared to the number of hospital childbirths. In Brazil, the topic has been broadly discussed by different professional categories, highlighting the safety issue involved in the process. The aim of this theoretical and reflective study was to present a brief overview of the overall care related to home childbirth, also questioning the reality of the contemporary Brazilian obstetric scenario. The scientific literature presents both obstetric and neonatal outcomes as favorable to home childbirth; similar risks when compared to hospital childbirth and higher rates of maternal satisfaction, and these both factors justify its practice. Therefore, a movement of women who are deeply unhappy with the current model of obstetric care is currently observed and they have been opting for home childbirth as a response to institutional violence,fragmentation and depersonalization of hospital care.

  12. Home childbirth: progress or retrocession?

    Directory of Open Access Journals (Sweden)

    Clara Fróes de Oliveira SANFELICE

    Full Text Available Giving birth at home represents a rising modality of delivery care in the Brazilian society, although in unrepresentative proportion when compared to the number of hospital childbirths. In Brazil, the topic has been broadly discussed by different professional categories, highlighting the safety issue involved in the process. The aim of this theoretical and reflective study was to present a brief overview of the overall care related to home childbirth, also questioning the reality of the contemporary Brazilian obstetric scenario. The scientific literature presents both obstetric and neonatal outcomes as favorable to home childbirth; similar risks when compared to hospital childbirth and higher rates of maternal satisfaction, and these both factors justify its practice. Therefore, a movement of women who are deeply unhappy with the current model of obstetric care is currently observed and they have been opting for home childbirth as a response to institutional violence, fragmentation and depersonalization of hospital care.

  13. Driving Forces Controlling Host-Guest Recognition in Supercritical Carbon Dioxide Solvent.

    Science.gov (United States)

    Ingrosso, Francesca; Altarsha, Muhannad; Dumarçay, Florence; Kevern, Gwendal; Barth, Danielle; Marsura, Alain; Ruiz-López, Manuel F

    2016-02-24

    The formation of supramolecular host-guest complexes is a very useful and widely employed tool in chemistry. However, supramolecular chemistry in non-conventional solvents such as supercritical carbon dioxide (scCO2 ), one of the most promising sustainable solvents, is still in its infancy. In this work, we explored a successful route to the development of green processes in supercritical CO2 by combining a theoretical approach with experiments. We were able to synthesize and characterize an inclusion complex between a polar aromatic molecule (benzoic acid) and peracetylated-β-cyclodextrin, which is soluble in the supercritical medium. This finding opens the way to wide, environmental friendly, applications of scCO2 in many areas of chemistry, including supramolecular synthesis, reactivity and catalysis, micro and nano-particle formation, molecular recognition, as well as enhanced extraction processes with increased selectivity. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  14. Investigation of the host-guest complexation between 4-sulfocalix[4]arene and nedaplatin for potential use in drug delivery

    Science.gov (United States)

    Fahmy, Sherif Ashraf; Ponte, Fortuna; Abd El-Rahman, Mohamed K.; Russo, Nino; Sicilia, Emilia; Shoeib, Tamer

    2018-03-01

    Macromolecules including macrocyclic species have been reported to have the potential to encapsulate biologically active compounds such as drugs through host-guest complexation to increase their solubility, stability and bioavailability. In this paper the first experimental and theoretical investigation of the complexation between nedaplatin, a second generation antineoplastic drug, and p-4-sulfocalix[4]arene, a macromolecule possessing a bipolar amphiphilic structure with good biocompatibility and relatively low haemolytic toxicity for potential use as a drug delivery system is presented. Data from 1H NMR, UV, Job's plot analysis, HPLC and DFT calculations are detailed and suggest the formation of a 1:1 complex. The stability constant of the complex was experimentally estimated to be 3.6 × 104 M- 1 and 2.1 × 104 M- 1 which correspond to values of - 6.2 and - 5.9 kcal mol- 1, respectively for the free energy of complexation while the interaction free energy is calculated to be - 4.9 kcal mol- 1. The formed species is shown to be stabilised in solution through hydrogen bonding between the host and the guest which may allow for this strategy to be effective for potential use in drug delivery.

  15. Dietary intake of energy, nutrients and water in elderly people living at home or in nursing home.

    Science.gov (United States)

    Engelheart, S; Akner, G

    2015-03-01

    There is a lack of detailed information on dietary intake in elderly people at an individual level, which is crucial for improvement of nutritional support. The aim of this study was to investigate the dietary intake in elderly people in two types of living situations. Observational study, analysing prospective data. The dietary intake was studied in elderly people living at home or in nursing home, in different cities of Sweden. A total of 264 elderly people (mean age 84) participated in the observational study. Dietary intake was measured using weighed food records and food diaries, comparing females and males. The observed dietary intake was related to Recommended intake and Lower intake level. All dietary intake and patient characteristic variables showed large individual differences (ranges). We found no significant differences (p>0.05) between those living at home and nursing home residents regarding the average intake of energy, protein and water when expressed as total intake per kg of body weight. A very low daily intake of energy (<20 kcal/kg body weight/day) was observed in 16% of the participants. For vitamin D and iron, 19% and 15%, respectively, had intakes below the Lower intake level. There was no correlation between intake of energy, protein or water and resident characteristics such as age, autonomy, morbidity, nutritional state or cognition. The large individual differences (ranges) in energy, nutrients and water show that the use of mean values when analysing dietary intake data from elderly people is misleading. From a clinical perspective it is more important to consider the individual intake of energy, nutrients and water. Ageism is intrinsic in the realm of 'averageology'.

  16. Perspectives and expectations for telemedicine opportunities from families of nursing home residents and caregivers in nursing homes.

    Science.gov (United States)

    Chang, Jun-Yih; Chen, Liang-Kung; Chang, Chia-Ching

    2009-07-01

    This study assessed current perspectives and expectations for telemedicine by nursing home caregivers and families of nursing home patients in Taipei, Taiwan. A total of 116 interviews were conducted with family members (n=37) and caregivers (n=79) using an original, four-part questionnaire devised to assess the expectations and concerns related to prospective telemedicine opportunities, including consumer attitude, knowledge of and interest in medicine, concerns and worries about telemedicine, and anticipated benefits of telemedicine. Statistical significance between the two groups was observed in sex, age, and educational level (all pexpectations concerning benefits of telemedicine. More than 60% of family members or caregivers expected improved efficiency and quality of hospital and nursing home health care, greater rapport between nursing homes and either staff or patients, reduced overall medical costs of caregiving, and reduced staff/caregiver working hours. The acceptable cost was anything up to $15.30 USD per month. Nursing home caregivers and families of nursing home patients are highly interested in telemedicine; however, they are only willing to pay a slightly higher cost of nursing care for this service. The challenge for the future in this industry is to balance peoples' demands and telemedicine's associated costs. Results of this study suggest that caregivers and families of nursing home residents favour telemedicine implementation to provide enhanced care coordination in nursing homes when economic circumstances are favourable.

  17. Quality assessment of home births in Denmark

    DEFF Research Database (Denmark)

    Jensen, Sabrina; Colmorn, Lotte B.; Schroll, Anne-Mette

    2017-01-01

    INTRODUCTION: The safety of home births has been widely debated. Observational studies examining maternal and neonatal outcomes of home births have become more frequent, and the quality of these studies has improved. The aim of the present study was to describe neonatal outcomes of home births...... compared with hospital births and to discuss which data are needed to evaluate the safety of home births. METHODS: This was a register-based cohort study. Data on all births in Denmark (2003-2013) were collected from the Danish Medical Birth Registry (DMBR). The cohort included healthy women...... with uncomplicated pregnancies and no medical interventions during delivery. A total of 6,395 home births and 266,604 hospital births were eligible for analysis. Comparative analyses were performed separately in nulliparous and multiparous women. The outcome measures were neonatal mortality and morbidity. RESULTS...

  18. Epidemiology of home injuries: a large observational study among adult mothers in Italy

    Directory of Open Access Journals (Sweden)

    Alice Mannocci

    2013-12-01

    Full Text Available AIMS: The aims of the study were to describe the epidemiology of home injuries (HI among Italian students' mothers and to identify the possible predictors of having HI. METHODS: An anonymous questionnaire was used in several Italian schools. In order to identify predictors of having HI, a multivariate analysis was performed. RESULTS: In our sample (3,610 women, the prevalence of HI was 18%; 6.2% of the interviewed had a severe HI. The multivariate analyses showed that increasing age, to spend more than 13 hours a day at home and to be housewife are risk factors for having HI. CONCLUSIONS: This study reports a high prevalence of HI, highlighting an urgent need for undertaking interventions to develop an adequate culture of safety and prevention.

  19. 7th February 2011 - Scottish Cabinet Secretary for Education and Lifelong Learning M. Russell MSP signing the guest book with Beams Department Head P. Collier and Adviser J. Ellis

    CERN Multimedia

    Maximilien Brice

    2011-01-01

    01-17:Scottish Cabinet Secretary for Education and Lifelong Learning M. Russell MSP signing the guest book with Beams Department Head P. Collier and Adviser J. Ellis 18-22: Teachers and Pupils signing the guest book 23-27: visiting the CERN control centre with P. Collier 28-32: visiting the LHCb underground area 33-74: visitng the ATLAS underground area Other members of the delegation: Chief Scientific Adviser to the Scottish Government and Chair in Molecular and Cell Biology at the University of Aberdeen A. Glover; Assistant Private Secretary M. Gallagher; Associate Director Institute for Gravitational Research, University of Glasgow J.Hough.

  20. Measuring depression in nursing home residents with the MDS and GDS: an observational psychometric study

    Directory of Open Access Journals (Sweden)

    Fries Brant E

    2005-01-01

    Full Text Available Abstract Background The objective of this study was to examine the Minimum Data Set (MDS and Geriatric Depression Scale (GDS as measures of depression among nursing home residents. Methods The data for this study were baseline, pre-intervention assessment data from a research study involving nine nursing homes and 704 residents in Massachusetts. Trained research nurses assessed residents using the MDS and the GDS 15-item version. Demographic, psychiatric, and cognitive data were obtained using the MDS. Level of depression was operationalized as: (1 a sum of the MDS Depression items; (2 the MDS Depression Rating Scale; (3 the 15-item GDS; and (4 the five-item GDS. We compared missing data, floor effects, means, internal consistency reliability, scale score correlation, and ability to identify residents with conspicuous depression (chart diagnosis or use of antidepressant across cognitive impairment strata. Results The GDS and MDS Depression scales were uncorrelated. Nevertheless, both MDS and GDS measures demonstrated adequate internal consistency reliability. The MDS suggested greater depression among those with cognitive impairment, whereas the GDS suggested a more severe depression among those with better cognitive functioning. The GDS was limited by missing data; the DRS by a larger floor effect. The DRS was more strongly correlated with conspicuous depression, but only among those with cognitive impairment. Conclusions The MDS Depression items and GDS identify different elements of depression. This may be due to differences in the manifest symptom content and/or the self-report nature of the GDS versus the observer-rated MDS. Our findings suggest that the GDS and the MDS are not interchangeable measures of depression.

  1. Measuring depression in nursing home residents with the MDS and GDS: an observational psychometric study

    Science.gov (United States)

    Koehler, Melissa; Rabinowitz, Terry; Hirdes, John; Stones, Michael; Carpenter, G Iain; Fries, Brant E; Morris, John N; Jones, Richard N

    2005-01-01

    Background The objective of this study was to examine the Minimum Data Set (MDS) and Geriatric Depression Scale (GDS) as measures of depression among nursing home residents. Methods The data for this study were baseline, pre-intervention assessment data from a research study involving nine nursing homes and 704 residents in Massachusetts. Trained research nurses assessed residents using the MDS and the GDS 15-item version. Demographic, psychiatric, and cognitive data were obtained using the MDS. Level of depression was operationalized as: (1) a sum of the MDS Depression items; (2) the MDS Depression Rating Scale; (3) the 15-item GDS; and (4) the five-item GDS. We compared missing data, floor effects, means, internal consistency reliability, scale score correlation, and ability to identify residents with conspicuous depression (chart diagnosis or use of antidepressant) across cognitive impairment strata. Results The GDS and MDS Depression scales were uncorrelated. Nevertheless, both MDS and GDS measures demonstrated adequate internal consistency reliability. The MDS suggested greater depression among those with cognitive impairment, whereas the GDS suggested a more severe depression among those with better cognitive functioning. The GDS was limited by missing data; the DRS by a larger floor effect. The DRS was more strongly correlated with conspicuous depression, but only among those with cognitive impairment. Conclusions The MDS Depression items and GDS identify different elements of depression. This may be due to differences in the manifest symptom content and/or the self-report nature of the GDS versus the observer-rated MDS. Our findings suggest that the GDS and the MDS are not interchangeable measures of depression. PMID:15627403

  2. Analysis of home-based rehabilitation in patients with motor impairment in primary care: a prospective observational study.

    Science.gov (United States)

    Vega-Ramírez, Francisco Antonio; López-Liria, Remedios; Granados-Gámez, Genoveva; Aguilar-Parra, Jose Manuel; Padilla-Góngora, David

    2017-07-14

    The purpose of health and social policies is to encourage older people more longevity, remain free of disability and experience quality of life while living in their homes. The aim of this study was to describe the characteristics of 473 patients diagnosed with motor impairment in primary care, the objectives of home-based rehabilitation and its functional impact. This prospective observational study was conducted in the Almería Health District. The analysed variables included age, gender, secondary diagnosis, Barthel Index (BI), physiotherapeutic objectives and techniques, and number of sessions. The sample had a mean age of 83 years, and 59% were women. The assessed conditions with a high prevalence included osteoarticular pathology (55%), Alzheimer's disease (15.1%), cardiovascular disease (13.7%) and stroke (6.5%). The techniques applied mainly consisted of functional exercises (57.1%), caregiver education (13.8%), and technical assistance (5.7%). There were statistically significant differences (t = -15.79; p physiotherapy. Lower patient age was correlated with higher initial and final functional capacities in primary care. This study aimed to present a useful starting point for decision making among management and health administration regarding this population group by approaching the process from the reality of practice and in relation to the rehabilitation provided. ClinicalTrials.gov identifier: NCT02715245 ; Date of registration: 18 January 2016.

  3. Sales Education beyond the Classroom: Building Participative Learning Experiences in Sales Management through the CMGS Method (Case Method with Guest Speakers)

    Science.gov (United States)

    Ruizalba Robledo, José Luis; Almenta López, Estefanía; Vallespín Arán, María

    2014-01-01

    The overarching goal of working through the CMGS Method (Case Method with Guest Speakers) in Sales Management courses is to provide Business and marketing learners with practical knowledge about how a sales manager can deal with a wide variety of possible professional scenarios. Even when the case method itself is an excellent way to equip…

  4. Factors affecting death at home in Japan.

    Science.gov (United States)

    Sauvaget, C; Tsuji, I; Li, J H; Hosokawa, T; Fukao, A; Hisamichi, S

    1996-10-01

    Despite the wish of the Japanese people to spend their final moments at home, the percentage of deaths at home among elderly is decreasing. Moreover, large variations in this rate were observed over the country. The present ecological study analyzed the relationship between the percentage of deaths at home for decedents aged 70 and over, and demographic, medical and socioeconomic characteristics. The data published in 1990 by the Japanese National Government were analyzed by correlation, principal-component, and multiple linear regression analyses. The results showed that the percentage of deaths at home for decedents aged 70 and over was positively associated with the number of persons per household, and the area of floor space per house. The divorce rate, the national tax per capita, and the mean length of hospitalization for stroke showed a negative association with the percentage of deaths at home. In the prefectures where the crude death rates of stroke and senility were high, elderly were more likely to die at home. These results suggested the importance of the number of family caregivers, and the housing conditions for terminal care at home. This research may lead to improve home medical assistance which is still underdeveloped in Japan.

  5. Characteristics associated with intending and achieving a planned home birth in the United Kingdom: An observational study of 515,777 maternities in the North West Thames region, 1988-2000

    OpenAIRE

    Nove, Andrea; Berrington, Ann; Matthews, Zoe

    2011-01-01

    Background and objectives: This study aims to identify factors that have an independent association with planned home birth. It investigates the social, demographic, and obstetric profile of those who choose home birth as compared with those choosing hospital birth. This crucial evidence is lacking in the U.K. context and is needed when comparing pregnancy outcomes of different birth settings. Otherwise, the comparison is problematic because observed differences in incidence of pregnancy outc...

  6. Study Of Lampungnese Traditional Home Garden Design

    Science.gov (United States)

    Pratiwi, R. A.; Gunawan

    2017-10-01

    Lampung is one area in Indonesia which has a traditional culture that comes from two groups of descents, they are ulun Lampung Pepadun and ulun Lampung Saibatin. Lampungnese traditional culture has been well-known by Indonesian people for its traditional dances, traditional clothing, or traditional home architecture. However, Lampungnese traditional home garden recently may not yet been described. Information related to Lampungnese traditional home garden is still very limited and it does not yet represented the culture based design concept. This research was directed to identify the elements of the home garden and map it into design concept of the Lampungnese traditional home garden based on information of Lampungnese traditional culture. The study was conducted by using descriptive approach through literature review, interviews and cultural exploration, as well as field observation. The study was able to identify the elements forming the Lampungnese traditional home garden, namely gakhang hadap, walai, outdoor kitchenette, firewood place, outdoor kitchen, livestock barns, as well as plants. Space layout of the home garden comprises front yard (tengahbah/terambah/beruan), side yard (kebik/kakebik), and backyard (kudan/juyu/kebon). Each element of the garden is located in the right place of the space layout.

  7. Sensor technology for smart homes.

    Science.gov (United States)

    Ding, Dan; Cooper, Rory A; Pasquina, Paul F; Fici-Pasquina, Lavinia

    2011-06-01

    A smart home is a residence equipped with technology that observes the residents and provides proactive services. Most recently, it has been introduced as a potential solution to support independent living of people with disabilities and older adults, as well as to relieve the workload from family caregivers and health providers. One of the key supporting features of a smart home is its ability to monitor the activities of daily living and safety of residents, and in detecting changes in their daily routines. With the availability of inexpensive low-power sensors, radios, and embedded processors, current smart homes are typically equipped with a large amount of networked sensors which collaboratively process and make deductions from the acquired data on the state of the home as well as the activities and behaviors of its residents. This article reviews sensor technology used in smart homes with a focus on direct environment sensing and infrastructure mediated sensing. The article also points out the strengths and limitations of different sensor technologies, as well as discusses challenges and opportunities from clinical, technical, and ethical perspectives. It is recommended that sensor technologies for smart homes address actual needs of all stake holders including end users, their family members and caregivers, and their doctors and therapists. More evidence on the appropriateness, usefulness, and cost benefits analysis of sensor technologies for smart homes is necessary before these sensors should be widely deployed into real-world residential settings and successfully integrated into everyday life and health care services. Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

  8. Safety and feasibility audit of a home-based drug-transitioning approach for patients with pulmonary arterial hypertension: an observational study.

    Science.gov (United States)

    Dawson, A; Reddecliffe, S; Coghlan, C; Schreiber, B E; Coghlan, J G

    2018-04-01

    Newer endothelin receptor antagonists (ERAs) used to treat patients with pulmonary arterial hypertension (PAH) are associated with fewer drug-drug interactions than bosentan and require less monitoring. This, combined with a pharmacokinetic basis for improved efficacy, means there may be a clinical rationale for changing therapies. However, this can be challenging and few data on its safety in patients with PAH are available. At the Royal Free Hospital in London, UK, home-based medication transitioning has been standard practice since 2009 to avoid unnecessary hospital visits for patients, unless there is a clinical imperative. In this audit of standard practice we evaluated the consequences of adopting such a strategy when transitioning PAH patients between ERA therapies. Using a Clinical Nurse Specialist-led, home-based transitioning strategy, 92 patients with PAH were transitioned from bosentan to macitentan or ambrisentan. Observational data were analysed retrospectively. The majority of patients were female with PAH associated with connective tissue disease and their ERA was changed in the hope of improving efficacy. The process was well tolerated with no adverse events associated with the process. Seventeen patients died during the study (macitentan, n = 5; ambrisentan, n = 12). None of the deaths was considered related to ERA treatment. The majority of patients remained clinically stable, based on WHO functional class and exercise capacity. An established home-based transitioning strategy can be adopted safely for patients with PAH changing ERA therapies. Most patients remained stable and the therapy change was well tolerated.

  9. How Clean Are Hotel Rooms? Part I: Visual Observations vs. Microbiological Contamination.

    Science.gov (United States)

    Almanza, Barbara A; Kirsch, Katie; Kline, Sheryl Fried; Sirsat, Sujata; Stroia, Olivia; Choi, Jin Kyung; Neal, Jay

    2015-01-01

    Current evidence of hotel room cleanliness is based on observation rather than empirically based microbial assessment. The purpose of the study described here was to determine if observation provides an accurate indicator of cleanliness. Results demonstrated that visual assessment did not accurately predict microbial contamination. Although testing standards have not yet been established for hotel rooms and will be evaluated in Part II of the authors' study, potential microbial hazards included the sponge and mop (housekeeping cart), toilet, bathroom floor, bathroom sink, and light switch. Hotel managers should increase cleaning in key areas to reduce guest exposure to harmful bacteria.

  10. Evaluating the effectiveness of different approaches to home support for people in later stage dementia: a protocol for an observational study.

    Science.gov (United States)

    Chester, Helen; Clarkson, Paul; Hughes, Jane; Russell, Ian; Beresford, Joan; Davies, Linda; Jolley, David; Peconi, Julie; Poland, Fiona; Roberts, Chris; Sutcliffe, Caroline; Challis, David

    2017-07-01

    Dementia is a major health problem with a growing number of people affected by the condition, both directly and indirectly through caring for someone with dementia. Many live at home but little is known about the range and intensity of the support they receive. Previous studies have mainly reported on discrete services within a single geographical area. This paper presents a protocol for study of different services across several sites in England. The aim is to explore the presence, effects, and cost-effectiveness of approaches to home support for people in later stage dementia and their carers. This is a prospective observational study employing mixed methods. At least 300 participants (people with dementia and their carers) from geographical areas with demonstrably different ranges of services available for people with dementia will be selected. Within each area, participants will be recruited from a range of services. Participants will be interviewed on two occasions and data will be collected on their characteristics and circumstances, quality of life, carer health and burden, and informal and formal support for the person with dementia. The structured interviews will also collect qualitative data to explore the perceptions of older people and carers. This national study will explore the components of appropriate and effective home support for people with late stage dementia and their carers. It aims to inform commissioners and service providers across health and social care.

  11. Logotherapy Counseling to Improve Acceptance of Broken Home Child

    OpenAIRE

    Erlangga, Erwin

    2017-01-01

    This study aims to increase the enrollment of children of a broken home that life has meaning. Subjects are 100 children in Demak whose families experiencing divorce. Research themes include three things: individual counseling, engineering logotherapy, reception, and a child of a broken home. Data obtained based on interviews, observation, and psychological scale showed that of the 100 children of a broken home has a low acceptance that individual counseling with logotherapy techniques were c...

  12. Automated assessment of cognitive health using smart home technologies.

    Science.gov (United States)

    Dawadi, Prafulla N; Cook, Diane J; Schmitter-Edgecombe, Maureen; Parsey, Carolyn

    2013-01-01

    The goal of this work is to develop intelligent systems to monitor the wellbeing of individuals in their home environments. This paper introduces a machine learning-based method to automatically predict activity quality in smart homes and automatically assess cognitive health based on activity quality. This paper describes an automated framework to extract set of features from smart home sensors data that reflects the activity performance or ability of an individual to complete an activity which can be input to machine learning algorithms. Output from learning algorithms including principal component analysis, support vector machine, and logistic regression algorithms are used to quantify activity quality for a complex set of smart home activities and predict cognitive health of participants. Smart home activity data was gathered from volunteer participants (n=263) who performed a complex set of activities in our smart home testbed. We compare our automated activity quality prediction and cognitive health prediction with direct observation scores and health assessment obtained from neuropsychologists. With all samples included, we obtained statistically significant correlation (r=0.54) between direct observation scores and predicted activity quality. Similarly, using a support vector machine classifier, we obtained reasonable classification accuracy (area under the ROC curve=0.80, g-mean=0.73) in classifying participants into two different cognitive classes, dementia and cognitive healthy. The results suggest that it is possible to automatically quantify the task quality of smart home activities and perform limited assessment of the cognitive health of individual if smart home activities are properly chosen and learning algorithms are appropriately trained.

  13. Hydrothermal crystal growth and Vernier structures of the metal benzenedicarboxylates MIL-47 and MIL-53 containing guest molecules of benzenecarboxylic acid

    Energy Technology Data Exchange (ETDEWEB)

    Wang, Xiqu; Jacobson, Allan J., E-mail: ajjacob@uh.edu

    2016-04-15

    The nanoporous frameworks VO(bdc), MIL-47, and M(OH)(bdc), MIL-53; bdc=1,4-benzenedicarboxylate, can absorb various guest species in their channels. As synthesized, the channels are filled with H{sub 2}bdc molecules that have been reported to be disordered, except for [In(OH)bdc](H{sub 2}bdc){sub 3/4}, 1, which has a inorganic-organic hybrid Vernier structure with the H{sub 2}bdc molecules forming an ordered sublattice. Based on X-ray data from large single crystals grown by hydrothermal techniques, similar Vernier structures have been found for MIL-47, [VO(bdc)](H{sub 2}bdc){sub 5/7}, 2, MIL-53Al, [Al(OH)(bdc)](H{sub 2}bdc){sub 11/16}, 3, and MIL-53Ga, [Ga(OH)(bdc)](H{sub 2}bdc){sub 12/17}, 4. The Vernier structures of 2–4 at room temperature were determined based on superstructure unit cells that index both host and guest sublattices: 2, space group P2{sub 1}, a=23.903(2), b=17.191(2), c=25.722(2) Å, β=105.914(8)°; 3, P2{sub 1}/n, a=105.224(4), b=12.2441(5), c=17.0143(6) Å, β=89.99(1)°; 4, P2{sub 1}, a=114.562(5), b=12.1503(5), c=17.4275(7) Å, β=89.99(1)°. The number of guest H{sub 2}bdc molecules per framework metal ion is determined by the ratio of the repeat distances of the two sublattices which depends on the size of the metal ion in the octahedral chain. The octahedral chains are parallel to [201] in 2, and to [100] in 3 and 4. Remarkably, all atoms in 3 and 4 show significant sinusoidal modulations transverse to the chain axis. - Graphical abstract: The sinusoidal modulation along the channel axis direction involving all atoms in the structure of [Al(OH)(bdc)](H{sub 2}bdc){sub 11/16}. - Highlights: • Crystal growth of MIL-47, MIL-53Al, and MIL-53Ga. • The Vernier structures have corner-sharing MO6 octrahedral chains and chains of H2BDC molecules. • The stoichiometry is determined by the ratio of the host framework to the guest H2BDC column lengths. • A correlation is established between the stoichiometry and the radius of the metal ion

  14. “Glass-like” thermal conductivity gradually induced in thermoelectric Sr{sub 8}Ga{sub 16}Ge{sub 30} clathrate by off-centered guest atoms

    Energy Technology Data Exchange (ETDEWEB)

    Christensen, Sebastian; Schmøkel, Mette Stokkebro; Borup, Kasper Andersen; Christensen, Mogens, E-mail: mch@chem.au.dk, E-mail: bo@chem.au.dk; Iversen, Bo Brummerstedt, E-mail: mch@chem.au.dk, E-mail: bo@chem.au.dk [Department of Inorganic Chemistry & iNANO, Center for Materials Crystallography, Aarhus University, Langelandsgade 140, 8000 Aarhus C (Denmark); Madsen, Georg K. H. [ICAMS, Ruhr-Universität Bochum, Bochum (Germany); McIntyre, Garry J.; Capelli, Silvia C. [Institut Laue-Langevin, 71 Avenue des Martyrs, CS 20156, Grenoble Cedex 9 (France)

    2016-05-14

    The origin of the “glass-like” plateau in thermal conductivity of inorganic type I clathrates has been debated for more than a decade. Here, it is demonstrated that the low temperature thermal conductivity of Sr{sub 8}Ga{sub 16}Ge{sub 30} can be controlled by the synthesis method: A flux-grown sample has a “glass-like” plateau in thermal conductivity at low temperature, while a zone-melted sample instead has a crystalline peak. A combination of flux-growth and zone-melting produces an intermediate thermal conductivity. In a comprehensive study of three single crystal samples, it is shown by neutron diffraction that the transition from crystalline peak to “glass-like” plateau is related to an increase in Sr guest atom off-centering distance from 0.24 Å to 0.43 Å. By modifying ab initio calculated force constants for the guest atom to an isotropic model, we reproduce both measured heat capacity and inelastic neutron scattering data. The transition from peak to plateau in the thermal conductivity can be modeled by a combined increase of Rayleigh and disorder scattering. Measurement of heat capacity refutes simple models for tunneling of Sr between off-center sites. Furthermore, the electronic properties of the same samples are characterized by Hall carrier density, Seebeck coefficient, and resistivity. The present comprehensive analysis excludes tunneling and charge carrier scattering as dominant contributors to the “glass-like” plateau. The increased guest atom off-centering distance controlled by synthesis provides a possible microscopic mechanism for reducing the low temperature thermal conductivity of clathrates.

  15. Tuning of Magnetic Anisotropy in Hexairon(III) Rings by Host-Guest Interactions: An Investigation by High-Field Torque Magnetometry.

    Science.gov (United States)

    Cornia; Affronte; Jansen; Abbati; Gatteschi

    1999-08-01

    Full chemical control of magnetic anisotropy in hexairon(III) rings can be achieved by varying the size of the guest alkali metal ion. Dramatically different anisotropies characterize the Li(I) and Na(I) complexes of [Fe(6)(OMe)(12)(L)(6)] (L=1,3-propanedione derivatives; a schematic representation of the Li(I) complex is shown), as revealed by high-field torque magnetometry-Iron: (g), oxygen: o, carbon: o, Li(+): plus sign in circle.

  16. [Home care to the elderly who had stroke].

    Science.gov (United States)

    Pedreira, Larissa Chaves; Lopes, Regina Lúcia Mendonça

    2010-01-01

    The purpose was to Identify the knowledge production about the stroke in elderly under home care. Bibliographic research whose data were collected though the abstracts from 1997 to 2007, contained in LILACS and SciELO databases. The following key words were used: home assistance, aged people and cerebrovascular accident. Fifty-two references were found in the LILACS database, nine in the SciELO Brazil, and three in the SciELO Cuba. Most of the researches were carried out in 2000. Regarding the method, qualitative method predominance were observed, and central theme is related to the care giver, as well as to the clinical and epidemiologic aspects of the disease. It was observed that this knowledge is still established in Brazil, and the themes related to the person submitted to home care and violence to the aged are still little explored.

  17. Location, Location, Location: Characteristics and Services of Long-Stay Home Care Recipients in Retirement Homes Compared to Others in Private Homes and Long-Term Care Homes.

    Science.gov (United States)

    Poss, Jeffrey W; Sinn, Chi-Ling Joanna; Grinchenko, Galina; Blums, Jane; Peirce, Tom; Hirdes, John

    2017-02-01

    We examine recipients of publicly funded ongoing care in a single Ontario jurisdiction who reside in three different settings: long-stay home care patients in private homes and apartments, other patients in retirement homes and residents of long-term care homes, using interRAI assessment instruments. Among home care patients, those in retirement homes have higher proportions of dementia and moderate cognitive impairment, less supportive informal care systems as well as more personal care and nursing services above those provided by the public home care system, more frequent but shorter home support visits and lower than expected public home care expenditures. These lower expenditures may be because of efficiency of care delivery or by retirement homes providing some services otherwise provided by the public home care system. Although persons in each setting are mostly older adults with high degrees of frailty and medical complexity, long-term care home residents show distinctly higher needs. We estimate that 40% of retirement home residents are long-stay home care patients, and they comprise about one in six of this Community Care Access Centre's long-stay patients. Copyright © 2017 Longwoods Publishing.

  18. Special report. Hospitals that are becoming 'hotel friendly' to guests ... and the role played by security officers.

    Science.gov (United States)

    1996-01-01

    Faced with increasing competition, hospitals in New York City are developing programs to become more user friendly and, like hotels, to treat patients more as "guests" than as "customers." These programs, which have particular applications for security personnel, are also seeking to improve communications and relationships among the hospital's medical staff and other employees. In this report, we'll describe some of these efforts in which hospitals are turning to hoteliers, consultants, and others for advice in the area of customer service, and the role seen for hospital security.

  19. Total joint Perioperative Surgical Home: an observational financial review.

    Science.gov (United States)

    Raphael, Darren R; Cannesson, Maxime; Schwarzkopf, Ran; Garson, Leslie M; Vakharia, Shermeen B; Gupta, Ranjan; Kain, Zeev N

    2014-01-01

    The numbers of people requiring total arthroplasty is expected to increase substantially over the next two decades. However, increasing costs and new payment models in the USA have created a sustainability gap. Ad hoc interventions have reported marginal cost reduction, but it has become clear that sustainability lies only in complete restructuring of care delivery. The Perioperative Surgical Home (PSH) model, a patient-centered and physician-led multidisciplinary system of coordinated care, was implemented at UC Irvine Health in 2012 for patients undergoing primary elective total knee arthroplasty (TKA) or total hip arthroplasty (THA). This observational study examines the costs associated with this initiative. The direct cost of materials and services (excluding professional fees and implants) for a random index sample following the Total Joint-PSH pathway was used to calculate per diem cost. Cost of orthopedic implants was calculated based on audit-verified direct cost data. Operating room and post-anesthesia care unit time-based costs were calculated for each case and analyzed for variation. Benchmark cost data were obtained from literature search. Data are presented as mean ± SD (coefficient of variation) where possible. Total per diem cost was $10,042 ± 1,305 (13%) for TKA and $9,952 ± 1,294 (13%) for THA. Literature-reported benchmark per diem cost was $17,588 for TKA and $16,267 for THA. Implant cost was $7,482 ± 4,050 (54%) for TKA and $9869 ± 1,549 (16%) for THA. Total hospital cost was $17,894 ± 4,270 (24%) for TKA and $20,281 ± 2,057 (10%) for THA. In-room to incision time cost was $1,263 ± 100 (8%) for TKA and $1,341 ± 145 (11%) for THA. Surgery time cost was $1,558 ± 290 (19%) for TKA and $1,930 ± 374 (19%) for THA. Post-anesthesia care unit time cost was $507 ± 187 (36%) for TKA and $557 ± 302 (54%) for THA. Direct hospital costs were driven substantially below USA benchmark levels using the Total Joint-PSH pathway. The incremental

  20. Remote Patient Management for Home Dialysis Patients

    Directory of Open Access Journals (Sweden)

    Eric L. Wallace

    2017-11-01

    Full Text Available Remote patient management (RPM offers renal health care providers and patients with end-stage kidney disease opportunities to embrace home dialysis therapies with greater confidence and the potential to obtain better clinical outcomes. Barriers and evidence required to increase adoption of RPM by the nephrology community need to be clearly defined. Ten health care providers from specialties including nephrology, cardiology, pediatrics, epidemiology, nursing, and health informatics with experience in home dialysis and the use of RPM systems gathered in Vienna, Austria to discuss opportunities for, barriers to, and system requirements of RPM as it applies to the home dialysis patient. Although improved outcomes and cost-effectiveness of RPM have been demonstrated in patients with diabetes mellitus and heart disease, only observational data on RPM have been gathered in patients on dialysis. The current review focused on RPM systems currently in use, on how RPM should be integrated into future care, and on the evidence needed for optimized implementation to improve clinical and economic outcomes. Randomized controlled trials and/or large observational studies could inform the most effective and economical use of RPM in home dialysis. These studies are needed to establish the value of existing and/or future RPM models among patients, policy makers, and health care providers.

  1. Home range and habitat use of Trumpeter Hornbills Bycanistes ...

    African Journals Online (AJOL)

    46 km2 (95% LoCoH). However, individual home range sizes varied monthly and seasonally. We found that all individuals tagged used mostly the indigenous forest and frequently utilised urban residential areas (gardens) with little or no use of cultivated land. Observed individual variations in monthly and seasonal home ...

  2. Evaluating Home Day Care Mothers' Work with Young Children.

    Science.gov (United States)

    Seattle Community Coll., Washington.

    This checklist was developed to determine the skills of day care home mothers before and after training as observed by a day care home educator. Areas evaluated are: Professional Attitude; Parent Relationships; Nutrition; Health and Safety; Baby Care; Preparing the Teaching Environment; Guidance; Teaching Techniques, Language and Literature; Art;…

  3. Self-assembly behavior of a linear-star supramolecular amphiphile based on host-guest complexation.

    Science.gov (United States)

    Wang, Juan; Wang, Xing; Yang, Fei; Shen, Hong; You, Yezi; Wu, Decheng

    2014-11-04

    A star polymer, β-cyclodextrin-poly(l-lactide) (β-CD-PLLA), and a linear polymer, azobenzene-poly(ethylene glycol) (Azo-PEG), could self-assemble into a supramolecular amphiphilic copolymer (β-CD-PLLA@Azo-PEG) based on the host-guest interaction between β-CD and azobenzene moieties. This linear-star supramolecular amphiphilic copolymer further self-assembled into a variety of morphologies, including sphere-like micelle, carambola-like micelle, naan-like micelle, shuttle-like lamellae, tube-like fiber, and random curled-up lamellae, by tuning the length of hydrophilic or hydrophobic chains. The variation of morphology was closely related to the topological structure and block ratio of the supramolecular amphiphiles. These self-assembly structures could disassemble upon an ultraviolet (UV) light irradiation.

  4. Homing oneself

    DEFF Research Database (Denmark)

    Winther, Ida Wentzel

    2009-01-01

    What is home? A building, a physical and mental phenomenon, or a concept?  There are many homes and ways `to home oneself´. Many of us quite often dwell in other places than at home (as professional commuters between two places, as travellers staying in hotels, as children of divorced parents...

  5. Home range defense in the red fox, Vulpes vulpes L

    Science.gov (United States)

    Preston, E.M.

    1975-01-01

    This paper describes the home range defense behavior observed when nonresident male red foxes were introduced into established home ranges of resident male-female pairs. In 12 observation periods, four intruders were introduced to each of three mated pairs which had been given three weeks to acclimate to a 4.05-hectare, fenced enclosure. The residents centered their activities around a natural den and the frequency of intruder-resident encounters decreased rapidly with increasing distance from the den. The primary home range defense was continual harassment of the intruders by the resident males through agonistic displays and chases. Physical contact was rare. Even though the resident males were dominant in less than a majority of the interactions observed, they were usually successful in displacing the intruders within a few hours. The resident females seldom interacted with the intruders.

  6. Compliance to Universal Design Criteria in Nursing Homes of Tehran

    Directory of Open Access Journals (Sweden)

    Morteza Nasiri

    2016-07-01

    Conclusion: The findings of this study showed that the majority of nursing homes evaluated did not follow the universal design criteria. Therefore, providing the proper guidelines and policies to promote the universal design observance in nursing homes is considered as a major necessity.

  7. Family and home characteristics correlate with mold in homes.

    Science.gov (United States)

    Reponen, Tiina; Levin, Linda; Zheng, Shu; Vesper, Stephen; Ryan, Patrick; Grinshpun, Sergey A; LeMasters, Grace

    2013-07-01

    Previously, we demonstrated that infants residing in homes with higher Environmental Relative Moldiness Index were at greater risk for developing asthma by age seven. The purpose of this analysis was to identify the family and home characteristics associated with higher moldiness index values in infants' homes at age one. Univariate linear regression of each characteristic determined that family factors associated with moldiness index were race and income. Home characteristics associated with the moldiness index values were: air conditioning, carpet, age of the home, season of home assessment, and house dust mite allergen. Parental history of asthma, use of dehumidifier, visible mold, dog and cat allergen levels were not associated with moldiness index. Results of multiple linear regression showed that older homes had 2.9 units higher moldiness index (95% confidence interval [CI]=0.4, 5.4), whereas homes with central air conditioning had 2.5 units lower moldiness index (95% CI=-4.7, -0.4). In addition, higher dust mite allergen levels and carpeting were positively and negatively associated with higher moldiness index, respectively. Because older homes and lack of air conditioning were also correlated with race and lower income, whereas carpeting was associated with newer homes, the multivariate analyses suggests that lower overall socioeconomic position is associated with higher moldiness index values. This may lead to increased asthma risk in homes inhabited by susceptible, vulnerable population subgroups. Further, age of the home was a surrogate of income, race and carpeting in our population; thus the use of these factors should carefully be evaluated in future studies. Copyright © 2013 Elsevier Inc. All rights reserved.

  8. Home delivery and neonatal mortality in North Carolina.

    Science.gov (United States)

    Burnett, C A; Jones, J A; Rooks, J; Chen, C H; Tyler, C W; Miller, C A

    1980-12-19

    Neonatal mortality examined by place and circumstances of delivery in North Carolina during 1974 through 1976 with attention given to home delivery. Planned home deliveries by lay-midwives resulted in three neonatal deaths per 1,000 live births; planned home deliveries without a lay-midwife, 30 neonatal deaths per 1,000 live births; and unplanned home deliveries, 120 neonatal deaths per 1,000 live births. The women babies were delivered by lay-midwives were screened in county health departments and found to be medically at low risk of complication, despite having demographic characteristics associated with high-risk of neonatal mortality. Conversely, the women delivered at home without known prenatal screening or a trained attendant had low-risk demographic characteristics but experienced a high rate of neonatal mortality. Planning, prenatal screening, and attendant-training were important in differentiating the risk of neonatal mortality in this uncontrolled, observational study.

  9. STEM learning activity among home-educating families

    Science.gov (United States)

    Bachman, Jennifer

    2011-12-01

    Science, technology, engineering, and mathematics (STEM) learning was studied among families in a group of home-educators in the Pacific Northwest. Ethnographic methods recorded learning activity (video, audio, fieldnotes, and artifacts) which was analyzed using a unique combination of Cultural-Historical Activity Theory (CHAT) and Mediated Action (MA), enabling analysis of activity at multiple levels. Findings indicate that STEM learning activity is family-led, guided by parents' values and goals for learning, and negotiated with children to account for learner interests and differences, and available resources. Families' STEM education practice is dynamic, evolves, and influenced by larger societal STEM learning activity. Parents actively seek support and resources for STEM learning within their home-school community, working individually and collectively to share their funds of knowledge. Home-schoolers also access a wide variety of free-choice learning resources: web-based materials, museums, libraries, and community education opportunities (e.g. afterschool, weekend and summer programs, science clubs and classes, etc.). A lesson-heuristic, grounded in Mediated Action, represents and analyzes home STEM learning activity in terms of tensions between parental goals, roles, and lesson structure. One tension observed was between 'academic' goals or school-like activity and 'lifelong' goals or everyday learning activity. Theoretical and experiential learning was found in both activity, though parents with academic goals tended to focus more on theoretical learning and those with lifelong learning goals tended to be more experiential. Examples of the National Research Council's science learning strands (NRC, 2009) were observed in the STEM practices of all these families. Findings contribute to the small but growing body of empirical CHAT research in science education, specifically to the empirical base of family STEM learning practices at home. It also fills a

  10. 24 CFR 982.612 - Group home: State approval of group home.

    Science.gov (United States)

    2010-04-01

    ... 24 Housing and Urban Development 4 2010-04-01 2010-04-01 false Group home: State approval of group... Types Group Home § 982.612 Group home: State approval of group home. A group home must be licensed..., Retardation, or Social Services) as a group home for elderly persons or persons with disabilities. ...

  11. Intelligent home risk assessment systems and integration with biometric identification

    Science.gov (United States)

    Roper, William E.

    2003-08-01

    An overview is given of the Home of the 21st Century Laboratory. The laboratory is operated as a joint program with America-On-Line and George Washington University. The program is described with illustrations and discussion of the systems that are part of the laboratory. The concept of application for face recognition systems in the intelligent home of the future is presented and some initial approaches in using biometrics are shown. Issues of privacy and sharing of information within and outside the home are addressed. Issues include safety and security concerns vs. inappropriate observations of activities in and outside the home. Technology options currently available for application in the home are described and assessed.

  12. ThinkHome Energy Efficiency in Future Smart Homes

    OpenAIRE

    Christian Reinisch; Mario J. Kofler; Félix Iglesias; Wolfgang Kastner

    2011-01-01

    Abstract Smart homes have been viewed with increasing interest by both home owners and the research community in the past few years. One reason for this development is that the use of modern automation technology in the home or building promises considerable savings of energy, therefore, simultaneously reducing the operational costs of the building over its whole lifecycle. However, the full potential of smart homes still lies fallow, due to the complexity and diversity of the systems, badly ...

  13. Optimal topotactic conversion of layered octosilicate to RWR-type zeolite by separating the formation stages of interlayer condensation and elimination of organic guest molecules.

    Science.gov (United States)

    Asakura, Yusuke; Osada, Shimon; Hosaka, Nami; Terasawa, Taichi; Kuroda, Kazuyuki

    2014-07-21

    We demonstrate that the separation of two stages of interlayer condensation under refluxing and elimination of organic guests provides the optimal conditions for the formation of RWR-type zeolite from layered octosilicate. The obtained RWR-type zeolite has higher quality than any other RWR-type zeolite reported previously.

  14. Assessing Home Environment for Early Child Development in Pakistan

    Science.gov (United States)

    Nadeem, Sanober; Rafique, Ghazala; Khowaja, Liaquat; Yameen, Anjum

    2014-01-01

    Family environment plays a very important role in early child development and the availability of stimulating material in the early years of a child's life is crucial for optimising development. The Home Observation for Measurement of the Environment (HOME) inventory is one of the most widely used measures to assess the quality and quantity of…

  15. Effects of cyclopentane on CO2 hydrate formation and dissociation as a co-guest molecule for desalination

    International Nuclear Information System (INIS)

    Zheng, Jia-nan; Yang, Ming-jun; Liu, Yu; Wang, Da-yong; Song, Yong-chen

    2017-01-01

    Highlights: • CP decreases CO 2 hydrate phase equilibrium pressure by forming CO 2 -CP hydrates. • The increase of CP can’t decrease hydrates phase equilibrium pressure unlimitedly. • Higher CP concentration lowers CO 2 hydrate gas uptake. • The optimal CP molar ratio is 0.01 based on hydrate phase equilibrium and gas uptake. - Abstract: Cyclopentane (CP) is considered to be a potential co-guest molecule in carbon dioxide (CO 2 ) hydrate-based desalination. The experimental thermodynamic data of CO 2 -CP hydrates were measured for a salt solution, where CP was chosen as a hydrate promoter. Seven experimental cases (62 cycles) were studied with different molar ratios of CP/water (0, 0.0025, 0.005, 0.0075, 0.01, 0.02, and 0.03). Hydrate phase equilibrium data were generated using an isochoric method, and the hydrate saturations were calculated based on gas uptake. The results indicated that the increase in CP concentration significantly decreased the CO 2 hydrate equilibrium pressure to a certain limit; the hydrate saturation also decreased during this process. Also, it was determined that CP encouraged the formation of s-II double CO 2 -CP hydrates, which are different from s-I simple CO 2 hydrate. The CO 2 -CP guest provides a strengthened stability and moderate hydrate phase equilibrium conditions for hydrate-based desalination. The recommended optimal molar ratio of CP is 0.01 when the increase in equilibrium was more than 10 K, and the decrease in hydrate saturation was less than 2%.

  16. Quality assessment of home births in Denmark.

    Science.gov (United States)

    Jensen, Sabrina; Colmorn, Lotte B; Schroll, Anne-Mette; Krebs, Lone

    2017-05-01

    The safety of home births has been widely debated. Observational studies examining maternal and neonatal outcomes of home births have become more frequent, and the quality of these studies has improved. The aim of the present study was to describe neonatal outcomes of home births compared with hospital births and to discuss which data are needed to evaluate the safety of home births. This was a register-based cohort study. Data on all births in Denmark (2003-2013) were collected from the Danish Medical Birth Registry (DMBR). The cohort included healthy women with uncomplicated pregnancies and no medical interventions during delivery. A total of 6,395 home births and 266,604 hospital births were eligible for analysis. Comparative analyses were performed separately in nulliparous and multiparous women. The outcome measures were neonatal mortality and morbidity. Frequencies of admission to a neonatal intensive care unit and treatment with continuous positive airway pressure were significantly lower in infants born at home than in infants born at a hospital. A slightly, but significantly increased rate of early neonatal death was found among infants delivered by nulliparous at home. This study indicates that home births in Denmark are characterized by a high level of safety owing to low rates of perinatal mortality and morbidity. Missing registration on intrapartum transfers and planned versus unplanned home births in the DMBR are, however, major limitations to the validity and utility of the reported results. Registration of these items of information is necessary to make reasonable assessments of home births in the future. none. not relevant. Articles published in the DMJ are “open access”. This means that the articles are distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits any non-commercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

  17. Shaping the Ambience of Homes with Domestic Hypermedia

    DEFF Research Database (Denmark)

    Grønbæk, Kaj; Petersen, Marianne Graves

    2004-01-01

    We currently witness a massive digitization of domestic materials e.g. photos, music, calendars, recipes, notes, messages. This digitization provides new conditions for how we interact with materials as well as how users shape the ambience of their homes. Observing the qualities of physical...... materials in the home, the process of digitization risks loosing the qualities of the spatial distribution, the aesthetics, and common reference points offered by physical materials and places in the home. We present a concept of domestic hypermedia (DoHM), which exploits potentials of digital materials...... and at the same time allow people to interact with digital materials in engaging ways providing rich experiences when organizing and using digital materials in homes. We present an infrastructure and design concepts that offer: ambient access to digital materials, common reference points, and collective...

  18. Education Matters: Continuity and Change in Attitudes to Education and Social Mobility among the Offspring of Turkish Guest Workers in the Netherlands and Austria

    Science.gov (United States)

    Pásztor, Adél

    2014-01-01

    By comparing the educational situation of second-generation Turks in the Netherlands and Austria, the paper investigates the reasons behind the differential higher educational gains of the descendants of guest workers in the two countries. By relying on in-depth interviews with second-generation Turks, the paper illustrates how ethnic…

  19. Making difficult decisions: the role of quality of care in choosing a nursing home.

    Science.gov (United States)

    Pesis-Katz, Irena; Phelps, Charles E; Temkin-Greener, Helena; Spector, William D; Veazie, Peter; Mukamel, Dana B

    2013-05-01

    We investigated how quality of care affects choosing a nursing home. We examined nursing home choice in California, Ohio, New York, and Texas in 2001, a period before the federal Nursing Home Compare report card was published. Thus, consumers were less able to observe clinical quality or clinical quality was masked. We modeled nursing home choice by estimating a conditional multinomial logit model. In all states, consumers were more likely to choose nursing homes of high hotel services quality but not clinical care quality. Nursing home choice was also significantly associated with shorter distance from prior residence, not-for-profit status, and larger facility size. In the absence of quality report cards, consumers choose a nursing home on the basis of the quality dimensions that are easy for them to observe, evaluate, and apply to their situation. Future research should focus on identifying the quality information that offers the most value added to consumers.

  20. Using participant or non-participant observation to explain information behaviour. Participant observation, Non-participant observation, Information behaviour, Hospital pharmacists, Older people

    Directory of Open Access Journals (Sweden)

    Janet Cooper

    2004-01-01

    Full Text Available The aim of the paper is to provide guidance on conducting participant and non-participant observation studies of information behaviour. Examines lessons learned during non-participant observation of hospital pharmacists, and participant observation with dependent older people living in their own homes. Describes the methods used in both studies, and discusses the ethical issues involved in gaining access to the subjects. In the hospital setting, professional affiliation between the researcher and the subjects (six pharmacists made access easier to obtain. In the home care setting, access to subjects (seven clients for participant observation (as a care worker was more difficult, as was withdrawal from the field study. In both studies, the observation element was triangulated with survey data. Both studies indicated the fundamental need for trust between the observer and the research subjects. In some situations, professional relations offer instant access and trust, whereas in closed and sensitive situations such as social care, time is required to build up trust. With participant observation, that trust should not be damaged by withdrawal of the researcher from the research setting.

  1. Estimate of the Chinese astronomy development through the descriptions of nova observations

    Science.gov (United States)

    Nickiforov, Mihael G.

    More than a hundred descriptions of guest stars observations made by Chinese, Korean and Japanese astronomers from 6th till 17th centuries are examined in this work. The comparison of the distribution of star outbursts on galactic latitudes from the Chinese sources with the modern data casts doubt on the reliability of the ancient observations. The text analysis shows that the technique of the descriptions of the places of outbursts of new stars does not change from the first ancient observations till the 16th century. This is a sign of a lack of precise instrumental measurements until the arrival of the Jesuits, in 16th century, and of a lack of Chinese star catalog in the medieval China.

  2. Evaluating fidelity in home-visiting programs a qualitative analysis of 1058 home visit case notes from 105 families.

    Directory of Open Access Journals (Sweden)

    Thomas Saïas

    Full Text Available Implementation fidelity is a key issue in home-visiting programs as it determines a program's effectiveness in accomplishing its original goals. This paper seeks to evaluate fidelity in a 27-month program addressing maternal and child health which took place in France between 2006 and 2011.To evaluate implementation fidelity, home visit case notes were analyzed using thematic qualitative and computer-assisted linguistic analyses.During the prenatal period, home visitors focused on the social components of the program. Visitors discussed the physical changes in pregnancy, and psychological and social environment issues. Discussing immigration, unstable employment and financial related issues, family relationships and dynamics and maternity services, while not expected, were found in case notes. Conversely, health during pregnancy, early child development and postpartum mood changes were not identified as topics within the prenatal case notes. During the postnatal period, most components of the intervention were addressed: home visitors observed the mother's adaptation to the baby; routine themes such as psychological needs and medical-social networks were evaluated; information on the importance of social support and on adapting the home environment was given; home visitors counseled on parental authority, and addressed mothers' self-esteem issues; finally, they helped to find child care, when necessary. Some themes were not addressed or partially addressed: health education, child development, home environment, mother's education plans and personal routine, partner support and play with the child. Other themes were not expected, but found in the case notes: social issues, mother-family relationship, relation with services, couple issues, quality of maternal behavior and child's language development.In this program, home visitors experienced difficulties addressing some of the objectives because they gave precedence to the families' urgent needs

  3. Hospoda coby druhý domov

    Czech Academy of Sciences Publication Activity Database

    Altman, Karel

    2010-01-01

    Roč. 44, č. 1 (2010), s. 15-28 ISSN 0862-1209 Institutional research plan: CEZ:AV0Z90580513 Keywords : public houses * Czech Lands * regular guests * alternative home Subject RIV: AC - Archeology, Anthropology, Ethnology

  4. The Dynamic Family Home: a qualitative exploration of physical environmental influences on children's sedentary behaviour and physical activity within the home space.

    Science.gov (United States)

    Maitland, Clover; Stratton, Gareth; Foster, Sarah; Braham, Rebecca; Rosenberg, Michael

    2014-12-24

    Recent changes in home physical environments, such as decreasing outdoor space and increasing electronic media, may negatively affect health by facilitating sedentariness and reducing physical activity. As children spend much of their time at home they are particularly vulnerable. This study qualitatively explored family perceptions of physical environmental influences on sedentary behaviour and physical activity within the home space. Home based interviews were conducted with 28 families with children aged 9-13 years (total n = 74 individuals), living in Perth, Australia. Families were stratified by socioeconomic status and selected to provide variation in housing. Qualitative methods included a family interview, observation and home tour where families guided the researcher through their home, enabling discussion while in the physical home space. Audio recordings were transcribed verbatim and thematically analysed. Emergent themes related to children's sedentariness and physical activity included overall size, space and design of the home; allocation of home space; equipment within the home space; perceived safety of the home space; and the changing nature of the home space. Families reported that children's activity options were limited when houses and yards were small. In larger homes, multiple indoor living rooms usually housed additional sedentary entertainment options, although parents reported that open plan home layouts could facilitate monitoring of children's electronic media use. Most families reported changing the allocation and contents of their home space in response to changing priorities and circumstances. The physical home environment can enhance or limit opportunities for children's sedentary behaviour and physical activity. However, the home space is a dynamic ecological setting that is amenable to change and is largely shaped by the family living within it, thus differentiating it from other settings. While size and space were considered

  5. Needs of home care services for the bedridden patient’s problems living in their home

    Directory of Open Access Journals (Sweden)

    Nuran Akdemir

    2011-03-01

    Full Text Available The study was carry out as an semi-experimental study to identify the difficulties confronted by bedridden patients with stroke to give them necessary counseling services and to improve models of home care service.Method: The research sample is composed of 38 patients discarged from Hacettepe University İbni Sina Hospital and Health Ministry Ankara Numune Hospital Neurology services following cerebro-vascular accident. The data derived from the research is evaluated through percentage usage. Patients included in the study were visited average 5 times during the research.Result: During the home visiting, it is found out that most of the patients were in need of information concerning insufficient hygienic care, other illnesses, use of medication, discharge system problems like constipation and diarhea and dietary/nutritional; it is also observed that they are experiencing psycho-social diffuculties. The study results put forward suggestions in realizing progression and to form model of systematic home care services.

  6. Assessment of private homes as spaces for the dying elderly

    Directory of Open Access Journals (Sweden)

    Tulika Bhattacharyya

    2017-01-01

    Full Text Available Aim: This study makes an assessment of end-of-life care of the elderly in private homes in Kolkata, West Bengal, India. Participants and Methods: Primary data were collected from private homes which supported elder care through observation and semi-structured interviews with primary family caregivers of the elderly. Results: The study finds that the major factors preventing private homes from providing adequate care to the elderly were architecturally inadequate housing conditions, paucity of financial support, and scarcity of skilled caregivers. Besides, considerable neglect and domestic abuse of the elderly was also found in some private homes. In addition, the peripheral location of private homes within public health framework and inadequate state palliative policy, including stringent narcotic regulations, accentuated the problems of home care. Conclusion: The study concludes by questioning the rhetoric of private homes as spaces for the dying elderly in Kolkata and suggests remedial measures to improve their capacity to deliver care.

  7. The relationship between twelve-month home stimulation and school achievement.

    Science.gov (United States)

    van Doorninck, W J; Caldwell, B M; Wright, C; Frankenburg, W K

    1981-09-01

    Home Observation for Measurement of the Environment (HOME) was designed to reflect parental support of early cognitive and socioemotional development. 12-month HOME scores were correlated with elementary school achievement, 5--9 years later. 50 low-income children were rank ordered by a weighted average of centile estimates of achievement test scores, letter grades, and curriculum levels in reading and math. 24 children were classified as having significant school achievement problems. The HOME total score correlated significantly, r = .37, with school centile scores among the low-income families. The statistically more appropriate contingency table analysis revealed a 68% correct classification rate and a significantly reduced error rate over random or blanket prediction. The results supported the predictive value of the 12-month HOME for school achievement among low-income families. In an additional sample of 21 middle-income families, there was insufficient variability among HOME scores to allow prediction. The HOME total scores were highly correlated, r = .86, among siblings tested at least 10 months apart.

  8. Passivation of ZnO Nanowire Guests and 3D Inverse Opal Host Photoanodes for Dye-Sensitized Solar Cells

    KAUST Repository

    Labouchere, Philippe

    2014-04-23

    A hierarchical host-guest nanostructured photoanode is reported for dye-sensitized solar cells. It is composed of ZnO nanowires grown in situ into the macropores of a 3D ZnO inverse opal structure, which acts both as a seed layer and as a conductive backbone host. Using a combination of self-assembly, hydrothermal or electrodeposition of single crystalline ZnO nanowires and TiO2 passivation, a novel photoanode with scattering capability for optimal light harvesting is fabricated. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  9. Nursing Homes

    Science.gov (United States)

    ... Home › Aging & Health A to Z › Nursing Homes Font size A A A Print Share Glossary Basic ... Reason For Living in A Nursing Home Some type of disability with activities of daily living (ADLs) ...

  10. Waiting to go into a Danish Nursing Home - Generations Review

    DEFF Research Database (Denmark)

    Kofod, Jens Erik

    2006-01-01

    The number of older people from their own home into a nursing home is likely to increase. This study intends to examine important aspects in the transition process by applying ethnographic methods. Ten older people and their relatives were interviewed and observed. It was found that their relatio...

  11. Factors associated with polypharmacy in elderly home-care patients.

    Science.gov (United States)

    Komiya, Hitoshi; Umegaki, Hiroyuki; Asai, Atsushi; Kanda, Shigeru; Maeda, Keiko; Shimojima, Takuya; Nomura, Hideki; Kuzuya, Masafumi

    2018-01-01

    Polypharmacy, which is often observed in elderly patients, has been associated with several unfavorable outcomes, including an increased risk of potentially inappropriate medications, medication non-adherence, drug duplication, drug-drug interactions, higher healthcare costs and adverse drug reactions. A significant association between polypharmacy and adverse outcomes among older people living in the community has also been confirmed. A reduction in the number of medications should thus be pursued for many older individuals. Nevertheless, the factors associated with polypharmacy in elderly home-care patients have not been reported. Here, we investigated those factors in elderly home-care patients in Japan. We used the data of the participants in the Observational Study of Nagoya Elderly with Home Medical investigation. Polypharmacy was defined as the current use of six or more different medications. We carried out univariate and multivariate logistic regression analyses to assess the associations between polypharmacy and each of several factors. A total of 153 home-care patients were registered. The mean number of medications used per patient was 5.9, and 51.5% of the patients belonged to the polypharmacy group. The multivariate model showed that the patients' scores on the Charlson Comorbidity Index and the Mini-Nutrition Assessment Short Form were inversely associated with polypharmacy, and potentially inappropriate medication was most strongly associated with polypharmacy (odds ratio 4.992). The present findings showed that polypharmacy was quite common among the elderly home-care patients, and they suggest that home-care physicians should prescribe fewer medications in accord with the deterioration of home-care patients' general condition. Geriatr Gerontol Int 2018; 18: 33-41. © 2017 Japan Geriatrics Society.

  12. Home Care

    Science.gov (United States)

    ... are part of home healthcare agencies. You may benefit from home care if you are dealing with ... it will trigger an emergency response or checkup phone call. Newer technologies ... or mobile testing technology (home diagnostics), including x-rays and ...

  13. Maslow's needs hierarchy as a framework for evaluating hospitality houses' resources and services.

    Science.gov (United States)

    Duncan, Mary Katherine Waibel; Blugis, Ann

    2011-08-01

    As hospitality houses welcome greater numbers of families and families requiring longer stays, they do so in the absence of a widely accepted theory to guide their understanding of guests' needs and evaluations of how well they meet those needs. We propose A. Maslow's (1970) Hierarchy of Needs as a conceptual framework for understanding what makes a hospitality house a home for families of pediatric patients and for guiding the activities of hospitality houses' boards of directors, staff, volunteers, and donors. This article presents findings from a theory-driven evaluation of one hospitality house's ability to meet guests' needs, describes the house's best practice standards for addressing guests' needs, and suggests areas for future research. Copyright © 2011 Elsevier Inc. All rights reserved.

  14. Relations among work-home culture, the utilization of work-home arrangements, and work-home interference

    NARCIS (Netherlands)

    Dikkers, J.S.E.; Geurts, S.A.E.; Dulk, L. den; Peper, A.B.; Kompier, M.A.J.

    2004-01-01

    In the present study, we examined the associations among work-home culture (WHC), the utilization of work-home arrangements (WHAs), and work-home interference (WHI) among 638 workers from a Dutch financial consultancy firm. We (a) developed a typology of WHC, (b) examined whether the utilization of

  15. Associations Between Home Death and the Use and Type of Care at Home.

    Science.gov (United States)

    McEwen, Rebecca; Asada, Yukiko; Burge, Frederick; Lawson, Beverley

    2018-01-01

    Despite wishes for and benefits of home deaths, a discrepancy between preferred and actual location of death persists. Provision of home care may be an effective policy response to support home deaths. Using the population-based mortality follow-back study conducted in Nova Scotia, we investigated the associations between home death and formal care at home and between home death and the type of formal care at home. We found (1) the use of formal care at home at the end of life was associated with home death and (2) the use of formal home support services at home was associated with home death among those whose symptoms were well managed.

  16. [Cleaning and disinfection in nursing homes. Data on quality of structure, process and outcome in nursing homes in Frankfurt am Main, Germany, 2011].

    Science.gov (United States)

    Heudorf, U; Gasteyer, S; Samoiski, Y; Voigt, K

    2012-08-01

    Due to the Infectious Disease Prevention Act, public health services in Germany are obliged to check the infection prevention in hospitals and other medical facilities as well as in nursing homes. In Frankfurt/Main, Germany, standardized control visits have been performed for many years. In 2011 focus was laid on cleaning and disinfection of surfaces. All 41 nursing homes were checked according to a standardized checklist covering quality of structure (i.e. staffing, hygiene concept), quality of process (observation of the cleaning processes in the homes) and quality of output, which was monitored by checking the cleaning of fluorescent marks which had been applied some days before and should have been removed via cleaning in the following days before the final check. In more than two thirds of the homes, cleaning personnel were salaried, in one third external personnel were hired. Of the homes 85% provided service clothing and all of them offered protective clothing. All homes had established hygiene and cleaning concepts, however, in 15% of the homes concepts for the handling of Norovirus and in 30% concepts for the handling of Clostridium difficile were missing. Regarding process quality only half of the processes observed, i.e. cleaning of hand contact surfaces, such as handrails, washing areas and bins, were correct. Only 44% of the cleaning controls were correct with enormous differences between the homes (0-100%). The correlation between quality of process and quality of output was significant. There was good quality of structure in the homes but regarding quality of process and outcome there was great need for improvement. This was especially due to faults in communication and coordination between cleaning personnel and nursing personnel. Quality outcome was neither associated with the number of the places for residents nor with staffing. Thus, not only quality of structure but also quality of process and outcome should be checked by the public health

  17. Home

    Science.gov (United States)

    Military Commission Seal VWAP Login Home Go ABOUT US Organization Overview Organizational Chart Families VWAP Login CCTV Sites Travel Media MC News CCTV Sites Travel Today at OMC Home Today at OMC Daily

  18. Home hemodialysis

    DEFF Research Database (Denmark)

    Agar, John W; Perkins, Anthony; Heaf, James G

    2015-01-01

    We describe the infrastructure that is necessary for hemodialysis in the home focusing on physical requirements, the organization of plumbing and water, and the key features that should guide the selection of machines that are suitable for home use.......We describe the infrastructure that is necessary for hemodialysis in the home focusing on physical requirements, the organization of plumbing and water, and the key features that should guide the selection of machines that are suitable for home use....

  19. Evidence of homing of each fraction of bone marrow cells after scheduled transplantation in mice

    International Nuclear Information System (INIS)

    Sun Suping; Cai Jianming; Xiang Yingsong; Huang Dingde; Zhao Fang; Gao Jianguo; Yang Rujun

    2003-01-01

    Objective: To identify homing of bone marrow cells after every fractionation during scheduled transplantation. Methods: The recipient mice were transplanted with homologous (H-2K d ) and allogeneic (H-2K b ) mouse bone marrow cells after lethal irradiation, and the homing status of allogeneic bone marrow cells in host bone marrow and spleen was observed. Results: A quantity of allogeneic homed cells were observed in host bone marrow, and the percentage of homing cells in second fraction was the highest in all groups (P<0.01). The allogeneic homed cells in spleen declined along with increase of the number of fraction, suggesting that regulation of homing to spleen was different from that to bone marrow. Conclusion: In scheduled bone marrow transplantation niche may be more effectively utilized and thus transplantation efficiency be enhanced

  20. HomePort

    DEFF Research Database (Denmark)

    Madsen, Per Printz

    2009-01-01

    In the last couple of year's computer based home control systems are getting more and more common in modern homes. For instance these systems take care of light control, heat control and security systems.  The latest trend is to use wireless communication like Z-Wave and ZigBee to interconnect...... different components in these systems. One of the characteristics is that each system, like for instance heat and light, has their own specific way of using the communication system.   This paper describes a way to connect different home control systems through an intelligent gateway, called a Home......Port. The HomePort consists of a number of Subsystem communication drivers, a virtual communication layer, an interpreter and a PC- based compiler for a high level control language, called GIL (Gateway intelligence language). The focus in this paper will be on the upper two layers in the Home...

  1. DOE Zero Energy Ready Home Case Study: Thrive Home Builders, Lowry Plan

    Energy Technology Data Exchange (ETDEWEB)

    Pacific Northwest National Laboratory

    2017-09-01

    Thrive Home Builders built this 4,119-ft2 home at the Lowry development in Denver, Colorado, to the high-performance criteria of the U.S. Department of Energy’s Zero Energy Ready Home Program. Despite the dense positioning of the homes, mono-plane roof designs afforded plenty of space for the 8.68 kW of photovoltaic panels. With the PV, the home achieves a Home Energy Rating System (HERS) score of 4 and the home owners should enjoy energy bills of about $-11 a year. Without the PV, the home would score a HERS 38 (far lower than the HERS 80 to 100 of typical new homes).

  2. The effectiveness of radon preventive and remedial measures in Irish homes

    International Nuclear Information System (INIS)

    Long, S; Fenton, D; Cremin, M; Morgan, A

    2013-01-01

    It is estimated that approximately 100 000 Irish homes have radon concentrations above the reference level of 200 Bq m −3 . To minimise the number of new homes with this problem, building regulations require that all new homes built since July 1998 in high radon areas are installed with radon barriers during construction. Measurements on local authority homes in a number of high radon areas have allowed the impact of these new regulations to be assessed. In County Cork a reduction of up to 70% in the mean radon concentration was observed in homes built since 1998 relative to those built before this date. A reduction in both the number of homes exceeding the reference level and the maximum concentration measured in homes was also measured. Homes exceeding the reference level were remediated with the use of an active sump. The results of this remedial work are also presented and show that the mean reduction in radon concentration achieved was 92%. (paper)

  3. The Medical Home

    Science.gov (United States)

    ... Videos for Educators Search English Español The Medical Home KidsHealth / For Parents / The Medical Home What's in ... for your child. What Does the Term "Medical Home" Mean? A medical home isn't a place ...

  4. Home Rx: The Health Benefits of Home Performance

    Energy Technology Data Exchange (ETDEWEB)

    Wilson, Jonathan [National Center for Healthy Housing (NCHH), Columbia, MD (United States); Jacobs, David [National Center for Healthy Housing (NCHH), Columbia, MD (United States); Reddy, Amanda [National Center for Healthy Housing (NCHH), Columbia, MD (United States); Tohn, Ellen [Tohn Environmental Strategies, Wayland, MA (United States); Cohen, Jonathan [Dept. of Energy (DOE), Washington DC (United States); Jacobsohn, Ely [Dept. of Energy (DOE), Washington DC (United States)

    2016-12-01

    Evidence in a new, groundbreaking U.S. Department of Energy report, Home Rx: The Health Benefits of Home Performance, shows that home performance upgrades can improve the quality of a home’s indoor environment by reducing the prevalence of harmful indoor air pollutants and contaminants. Until recently, no systematic review of this evidence had been conducted, limiting full understanding of the link between home performance and health. This new report summarizes current knowledge and identifies research gaps. The design characteristics and results of each of the 40 studies considered in the report are summarized in a searchable matrix.

  5. ThinkHome Energy Efficiency in Future Smart Homes

    Directory of Open Access Journals (Sweden)

    Reinisch Christian

    2011-01-01

    Full Text Available Abstract Smart homes have been viewed with increasing interest by both home owners and the research community in the past few years. One reason for this development is that the use of modern automation technology in the home or building promises considerable savings of energy, therefore, simultaneously reducing the operational costs of the building over its whole lifecycle. However, the full potential of smart homes still lies fallow, due to the complexity and diversity of the systems, badly engineered and configured installations, as well as the frequent problem of suboptimal control strategies. Summarized, these problems converge to two undesirable conditions in the "not-so-smart" home: energy consumption is still higher than actually necessary and users are unable to yield full comfort in their automated homes. This work puts its focus on alleviating the current problems by proposing a comprehensive system concept, that shall ensure that smart homes can keep their promise in the future. The system operates on an extensive knowledge base that stores all information needed to fulfill the goals of energy efficiency and user comfort. Its intelligence is implemented as and within a multiagent system that also caters for the system's openness to the outside world. As a first evaluation, a profile-based control strategy for thermal comfort is developed and verified by means of simulation.

  6. 29 August 2013 - Director Variable Energy Cyclotron Centre, India D. Srivastava signing the guest book with CERN Director-General R. Heuer. Coordinator of India-ALICE Collaboration T. Nayak present throughout.

    CERN Multimedia

    Jean-Claude Gadmer

    2013-01-01

    29 August 2013 - Director Variable Energy Cyclotron Centre, India D. Srivastava signing the guest book with CERN Director-General R. Heuer. Coordinator of India-ALICE Collaboration T. Nayak present throughout.

  7. Integrated marketing communications in high-quality hotels of central and southern Dalmatia: a study from the perspective of managers and guests

    Directory of Open Access Journals (Sweden)

    Maja Šerić

    2012-07-01

    Full Text Available Although the implementation of Integrated Marketing Communications (IMC has been studied in different contexts and countries all over the world, further contributions are needed to consolidate the concept. Little research has been done on the integration of marketing communications in tourism-related sectors. Moreover, previous studies have focused mainly on managers’ opinions while overlooking consumers’ perceptions of IMC. The purpose of this research is to study in greater detail the IMC concept in the tourism sector, specifically in the hotels of Central and Southern Dalmatia, from a double perspective: managers-guests. Therefore, managers of 15 high-quality hotels and 118 guests were interviewed during April and May 2010. The results of descriptive statistical analysis showed a high degree of IMC implementation in hotels and a high degree of guests’ perceptions of IMC. However, the Mann-Whitney U test revealed small but significant differences between managers’ and guests’ perceptions of some of the IMC items. The findings of this study are expected to provide useful information to hotel managers, who deal with an increasingly competitive marketplace where traditional marketing approaches are no longer sufficient to differentiate themselves from their competitors. Thus, IMC should be considered as a new approach which might enable hotels to gain competitive advantages.

  8. Sales Education beyond the classroom: Building participative learning experiences in Sales Management through the CMGS Method (Case Method with Guest Speakers

    Directory of Open Access Journals (Sweden)

    José Luis Ruizalba Robledo

    2014-09-01

    Full Text Available The overarching goal of working through the CMGSMethod (Case Method with GuestSpeakers in Sales Management courses is toprovide Marketing students with practical knowledge about how a sales managercan deal with a wide variety of possible professional scenarios. Even when thecase method itself is an excellent way to equip students for their prospectiveemployment, the potential of this method can be enhanced with innovativepedagogical tools. Firstly, eight sales managers were invited to the SalesManagement Course as guest speakers. Students were required to prepare forthese sessions, gathering information about the speaker’s sector andidentifying areas of special interest. Each speaker shared their hands-onexperience and offered an overview of their field in a workshop, whileanswering the students’ questions. These sessions increased the interaction ofstudents with sales professionals, who presented their insights into a careerin sales management. The learning experiences built through these workshopswere narrated by the students in the course blog. Secondly, students were askedto present a scientific paper with the aim of bridging the gap between highereducation and cutting-edge research. This article portrays the reasoning behindthe course as well as the different steps followed during the process. Thecourse finished with encouraging results, suggesting the desirability ofincorporating PL (participative learning experiences into any marketingcourse.

  9. Unimaginable homes

    DEFF Research Database (Denmark)

    Møller, Kristian; Klausen, Maja

    2018-01-01

    The chapter draw from critical mediatization theory, critical intimacy theory, and cultural gerontology and asks: How do elderly people practice their mediatized homes? Which roles do media play in constituting and disturbing the flows of bodies into the home? Moreover: how do dominant...... in the making of the mediatized home space. We conclude by returning to the research questions and making explicit how researching flows of bodies that in many ways inhabit homes of the in-between contributes to both gerontological and geomediatization research agendas....

  10. Stroke and Nursing Home care: a national survey of nursing homes.

    LENUS (Irish Health Repository)

    Cowman, Seamus

    2010-01-01

    BACKGROUND: Although stroke is recognised as a major factor in admission to nursing home care, data is lacking on the extent and nature of the disabilities and dependency in nursing homes arising from stroke. A national study conducted in nursing homes can quantify the number of residents with stroke in nursing homes, their disability and levels of dependency. METHODS: A cross-sectional survey research design was used. A total of 572 public and private nursing homes were identified nationally and a stratified random selection of 60 nursing homes with 3,239 residents was made. In half of the nursing homes (n = 30) efforts were made to interview all residents with stroke Survey instruments were used to collect data from residents with stroke and nursing home managers on demography, patient disability, and treatment. RESULTS: Across all nursing homes (n = 60), 18% (n = 570) of the residents had previously had a stroke. In homes (n = 30), where interviews with residents with stroke (n = 257), only 7% (n = 18) residents were capable of answering for themselves and were interviewed. Data on the remaining 93% (n = 239) residents were provided by the nursing home manager. Nurse Managers reported that 73% of residents with stroke had a high level of dependency. One in two residents with stroke was prescribed antidepressants or sedative medication. Only 21% of stroke residents were prescribed anticoagulants, 42% antiplatelets, and 36% cholesterol lowering medications. Stroke rehabilitation guidelines were lacking and 68% reported that there was no formal review process in place. CONCLUSIONS: This study provides seminal findings on stroke and nursing home services in Ireland. We now know that one in six nursing home residents in a national survey are residents with a stroke, and have a wide range of disabilities. There is currently little or no structured care (beyond generic care) for stroke survivors who reside in nursing homes in Ireland.

  11. Spying on the Smart Home: Privacy Attacks and Defenses on Encrypted IoT Traffic

    OpenAIRE

    Apthorpe, Noah; Reisman, Dillon; Sundaresan, Srikanth; Narayanan, Arvind; Feamster, Nick

    2017-01-01

    The growing market for smart home IoT devices promises new conveniences for consumers while presenting new challenges for preserving privacy within the home. Many smart home devices have always-on sensors that capture users' offline activities in their living spaces and transmit information about these activities on the Internet. In this paper, we demonstrate that an ISP or other network observer can infer privacy sensitive in-home activities by analyzing Internet traffic from smart homes con...

  12. Home Versus Away Competition: Effect on Psychophysiological Variables in Elite Rugby Union.

    Science.gov (United States)

    Cunniffe, Brian; Morgan, Kevin A; Baker, Julien S; Cardinale, Marco; Davies, Bruce

    2015-09-01

    This study evaluated the effect of game venue and starting status on precompetitive psychophysiological measures in elite rugby union. Saliva samples were taken from players (starting XV, n = 15, and nonstarters, n = 9) on a control day and 90 min before 4 games played consecutively at home and away venues against local rivals and league leaders. Precompetition psychological states were assessed using the Competitive State Anxiety Inventory-2. The squad recorded 2 wins (home) and 2 losses (away) over the study period. Calculated effect sizes (ESs) showed higher pregame cortisol- (C) and testosterone- (T) difference values before all games than on a baseline control day (ES 0.7-1.5). Similar findings were observed for cognitive and somatic anxiety. Small between-venues C differences were observed in starting XV players (ES 0.2-0.25). Conversely, lower home T- (ES 0.95) and higher away C- (ES 0.6) difference values were observed in nonstarters. Lower T-difference values were apparent in nonstarters (vs starting XV) before home games, providing evidence of a between-groups effect (ES 0.92). Findings show an anticipatory rise in psychophysiological variables before competition. Knowledge of starting status appears a moderating factor in the magnitude of player endocrine response between home and away games.

  13. Home Automation : Smart home technology and template house design

    OpenAIRE

    Zheng, Zeya

    2013-01-01

    In this thesis, home automation’s general knowledge, technology information and each component will be introduced to the reader in the first half of the whole thesis. In the second half, thesis includes the Home Automation template design and market competitiveness analysis. The author assumes that the reader is going to spend lots of money to have a smart home. In this situation, the author introduces the home automation to the reader at each component. So the reader in this thesis actu...

  14. AP@home: The Artificial Pancreas Is Now at Home.

    Science.gov (United States)

    Heinemann, Lutz; Benesch, Carsten; DeVries, J Hans

    2016-07-01

    In the past years the development of an artificial pancreas (AP) has made great progress and many activities are ongoing in this area of research. The major step forward made in the last years was moving the evaluation of AP systems from highly controlled experimental conditions to daily life conditions at the home of patients with diabetes; this was also the aim of the European Union-funded AP@home project. Over a time period of 5 years a series of clinical studies were performed that culminated in 2 "final studies" during which an AP system was used by patients in their home environment for 2 or 3 months without supervision by a physician, living their normal lives. Two different versions of the AP system developed within this project were evaluated. A significant improvement in glycated hemoglobin was observed during closed-loop conditions despite the fact that during the control period the patients used the best currently available therapeutic option. In addition, a "single-port AP system" was developed within the project that combines continuous glucose monitoring and insulin infusion at a single tissue site. By using such a combined device the patients not only have to carry one less device around, the number of access points through the skin is also reduced from 2 to 1. In summary, close cooperation of 12 European partners, both academic centers and industry, enabled the development and evaluation of AP systems under daily life conditions. The next step is to develop these into products in cooperation with commercial partners. © 2016 Diabetes Technology Society.

  15. Guest Induced Strong Cooperative One- and Two-Step Spin Transitions in Highly Porous Iron(II) Hofmann-Type Metal-Organic Frameworks.

    Science.gov (United States)

    Piñeiro-López, Lucı A; Valverde-Muñoz, Francisco Javier; Seredyuk, Maksym; Muñoz, M Carmen; Haukka, Matti; Real, José Antonio

    2017-06-19

    The synthesis, crystal structure, magnetic, calorimetric, and Mössbauer studies of a series of new Hofmann-type spin crossover (SCO) metal-organic frameworks (MOFs) is reported. The new SCO-MOFs arise from self-assembly of Fe II , bis(4-pyridyl)butadiyne (bpb), and [Ag(CN) 2 ] - or [M II (CN) 4 ] 2- (M II = Ni, Pd). Interpenetration of four identical 3D networks with α-Po topology are obtained for {Fe(bpb)[Ag I (CN) 2 ] 2 } due to the length of the rod-like bismonodentate bpb and [Ag(CN) 2 ] - ligands. The four networks are tightly packed and organized in two subsets orthogonally interpenetrated, while the networks in each subset display parallel interpenetration. This nonporous material undergoes a very incomplete SCO, which is rationalized from its intricate structure. In contrast, the single network Hofmann-type MOFs {Fe(bpb)[M II (CN) 4 ]}·nGuest (M II = Ni, Pd) feature enhanced porosity and display complete one-step or two-step cooperative SCO behaviors when the pores are filled with two molecules of nitrobenzene or naphthalene that interact strongly with the pyridyl and cyano moieties of the bpb ligands via π-π stacking. The lack of these guest molecules favors stabilization of the high-spin state in the whole range of temperatures. However, application of hydrostatic pressure induces one- and two-step SCO.

  16. Comparing the odds of postpartum haemorrhage in planned home birth against planned hospital birth: results of an observational study of over 500,000 maternities in the UK.

    Science.gov (United States)

    Nove, Andrea; Berrington, Ann; Matthews, Zoë

    2012-11-19

    The aim of this study is to compare the odds of postpartum haemorrhage among women who opt for home birth against the odds of postpartum haemorrhage for those who plan a hospital birth. It is an observational study involving secondary analysis of maternity records, using binary logistic regression modelling. The data relate to pregnancies that received maternity care from one of fifteen hospitals in the former North West Thames Regional Health Authority Area in England, and which resulted in a live or stillbirth in the years 1988-2000 inclusive, excluding 'high-risk' pregnancies, unplanned home births, pre-term births, elective Caesareans and medical inductions. Even after adjustment for known confounders such as parity, the odds of postpartum haemorrhage (≥1000ml of blood lost) are significantly higher if a hospital birth is intended than if a home birth is intended (odds ratio 2.5, 95% confidence interval 1.7 to 3.8). The 'home birth' group included women who were transferred to hospital during labour or shortly after birth. Women and their partners should be advised that the risk of PPH is higher among births planned to take place in hospital compared to births planned to take place at home, but that further research is needed to understand (a) whether the same pattern applies to the more life-threatening categories of PPH, and (b) why hospital birth is associated with increased odds of PPH. If it is due to the way in which labour is managed in hospital, changes should be made to practices which compromise the safety of labouring women.

  17. The quality of children's home environment and attachment security in Indonesia

    NARCIS (Netherlands)

    Zevalkink, D.J.; Riksen-Walraven, J Marianne; Bradley, Robert H

    The authors examined the relation of the Home Observation for Measurement of the Environment (HOME) Inventory (B. M. Caldwell & R. H. Bradley, 1984) for 0- to 6-year-old Sundanese Indonesian children with the quality of the mother-child attachment relationship (n=44) and attachment-related behaviors

  18. Medical care and organisation at the 2012 Roskilde Music Festival: a prospective observational study.

    Science.gov (United States)

    Stagelund, S; Jans, Ø; Nielsen, K; Jans, H; Wildgaard, K

    2014-10-01

    Music festivals, with a mix of music, alcohol and camping at the festival site combined with low hygiene, have become an integral part of society and attracts large numbers of guests. Our study was performed in order to increase the very limited knowledge on health-care issues and organisation of major music festivals. Pre-defined illness and injury categories were constructed based on categories previously reported from music festivals. We prospectively recorded patient presentations to the Medical Health Care Organisation (MHCO) at the 2012 Roskilde Festival. During 10 days, more than 130,000 guests and volunteers attended the 2012 Roskilde Festival. Ten thousand six hundred thirty patient presentations were registered between the 30th of June and 9th of July 2012 by the MHCO. The majority of patient presentations, 6919, could be handled by first-aid volunteers with different levels of training. The remaining 3473 patient presentations were assessed to require further health-care competencies or additional resources such as prescriptions, medication or suturing. Two hundred thirty-eight patient presentations were triaged to a designated observation area. Two hundred sixty patients were referred to a local hospital, a general practitioner or a dentist. The overall patient presentation rate was 72/1000 attendees, and the transport-to-hospital rate was 1.8/1000 attendees. Our study demonstrates that illnesses and injuries are frequent, although mostly minor, in this normally low-risk population consisting of primarily young and healthy guests. However, comparison with other recent events was difficult as only limited data have been published from other music festivals. Future festivals should publish similar data. © 2014 The Acta Anaesthesiologica Scandinavica Foundation. Published by John Wiley & Sons Ltd.

  19. Work and Home Neighborhood Design and Physical Activity.

    Science.gov (United States)

    Carlson, Jordan A; Frank, Lawrence D; Ulmer, Jared; Conway, Terry L; Saelens, Brian E; Cain, Kelli L; Sallis, James F

    2018-01-01

    To investigate relations of perceived worksite neighborhood environments to total physical activity and active transportation, over and above home neighborhood built environments. Observational epidemiologic study. Baltimore, Maryland-Washington, DC, and Seattle-King County, Washington metropolitan areas. One thousand eighty-five adults (mean age = 45.0 [10.2]; 46% women) recruited from 32 neighborhoods stratified by high/low neighborhood income and walkability. The Neighborhood Environment Walkability Survey assessed perceptions of worksite and home neighborhood environments. Accelerometers assessed total moderate-to-vigorous physical activity (MVPA). The International Physical Activity Questionnaire assessed total active transportation and active transportation to and around work. Mixed-effects regression tested relations of home and worksite neighborhood environments to each physical activity outcome, adjusted for demographics. Home and worksite mixed land use and street connectivity had the most consistent positive associations with physical activity outcomes. Worksite traffic and pedestrian safety were also associated with multiple physical activity outcomes. The worksite neighborhood explained additional variance in physical activity outcomes than explained by the home neighborhood. Worksite and home neighborhood environments interacted in explaining active transportation to work, with the greatest impacts occurring when both neighborhoods were activity supportive. Both worksite and home neighborhood environments were independently related to total MVPA and active transportation. Community design policies should target improving the physical activity supportiveness of worksite neighborhood environments and integrating commercial and residential development.

  20. Guest Editorial

    Indian Academy of Sciences (India)

    For example, on the basis of observed spectra one can perform ... can give us information about the kinematical properties of emission gas. Condi- .... and plasmas in technology, such as laser welding and piercing of metals and light sources ...

  1. Lipid-Mediated Clusters of Guest Molecules in Model Membranes and Their Dissolving in the Presence of Lipid Rafts.

    Science.gov (United States)

    Kardash, Maria E; Dzuba, Sergei A

    2017-05-25

    The clustering of molecules is an important feature of plasma membrane organization. It is challenging to develop methods for quantifying membrane heterogeneities because of their transient nature and small size. Here, we obtained evidence that transient membrane heterogeneities can be frozen at cryogenic temperatures which allows the application of solid-state experimental techniques sensitive to the nanoscale distance range. We employed the pulsed version of electron paramagnetic resonance (EPR) spectroscopy, the electron spin echo (ESE) technique, for spin-labeled molecules in multilamellar lipid bilayers. ESE decays were refined for pure contribution of spin-spin magnetic dipole-dipolar interaction between the labels; these interactions manifest themselves at a nanometer distance range. The bilayers were prepared from different types of saturated and unsaturated lipids and cholesterol (Chol); in all cases, a small amount of guest spin-labeled substances 5-doxyl-stearic-acid (5-DSA) or 3β-doxyl-5α-cholestane (DChl) was added. The local concentration found of 5-DSA and DChl molecules was remarkably higher than the mean concentration in the bilayer, evidencing the formation of lipid-mediated clusters of these molecules. To our knowledge, formation of nanoscale clusters of guest amphiphilic molecules in biological membranes is a new phenomenon suggested only recently. Two-dimensional 5-DSA molecular clusters were found, whereas flat DChl molecules were found to be clustered into stacked one-dimensional structures. These clusters disappear when the Chol content is varied between the boundaries known for lipid raft formation at room temperatures. The room temperature EPR evidenced entrapping of DChl molecules in the rafts.

  2. Rational Design of Multifunctional Gold Nanoparticles via Host-Guest Interaction for Cancer-Targeted Therapy.

    Science.gov (United States)

    Chen, Wei-Hai; Lei, Qi; Luo, Guo-Feng; Jia, Hui-Zhen; Hong, Sheng; Liu, Yu-Xin; Cheng, Yin-Jia; Zhang, Xian-Zheng

    2015-08-12

    A versatile gold nanoparticle-based multifunctional nanocomposite AuNP@CD-AD-DOX/RGD was constructed flexibly via host-guest interaction for targeted cancer chemotherapy. The pH-sensitive anticancer prodrug AD-Hyd-DOX and the cancer-targeted peptide AD-PEG8-GRGDS were modified on the surface of AuNP@CD simultaneously, which endowed the resultant nanocomposite with the capability to selectively eliminate cancer cells. In vitro studies indicated that the AuNP@CD-AD-DOX/RGD nanocomposite was preferentially uptaken by cancer cells via receptor-mediated endocytosis. Subsequently, anticancer drug DOX was released rapidly upon the intracellular trigger of the acid microenvirenment of endo/lysosomes, inducing apoptosis in cancer cells. As the ideal drug nanocarrier, the multifunctional gold nanoparticles with the active targeting and controllable intracellular release ability hold the great potential in cancer therapy.

  3. Concept of restaurant reservations information system

    OpenAIRE

    Štok, Janez

    2016-01-01

    In our home place we have only one inn. It's occupied mostly from Italian guests. Times are changing and buying power of Italians has declining since world financial collapse. Some fellow villagers has got an idea to rent some rooms for tourists. Inn is popular choice among guests, because is in walking distance of rooms. There is a problem with knowledge of languages, with that in mind owner of inn decided to contact me and explain the problem. There is need to create some sort of Android ap...

  4. Automated Cognitive Health Assessment Using Smart Home Monitoring of Complex Tasks.

    Science.gov (United States)

    Dawadi, Prafulla N; Cook, Diane J; Schmitter-Edgecombe, Maureen

    2013-11-01

    One of the many services that intelligent systems can provide is the automated assessment of resident well-being. We hypothesize that the functional health of individuals, or ability of individuals to perform activities independently without assistance, can be estimated by tracking their activities using smart home technologies. In this paper, we introduce a machine learning-based method for assessing activity quality in smart homes. To validate our approach we quantify activity quality for 179 volunteer participants who performed a complex, interweaved set of activities in our smart home apartment. We observed a statistically significant correlation (r=0.79) between automated assessment of task quality and direct observation scores. Using machine learning techniques to predict the cognitive health of the participants based on task quality is accomplished with an AUC value of 0.64. We believe that this capability is an important step in understanding everyday functional health of individuals in their home environments.

  5. Expectation of "Le Petit Prince"'s home

    Science.gov (United States)

    Abe, Masanao; Ohba, Yohei; Ishiguro, Masateru; Hasegawa, Sunao; Fuse, Tetsuharu

    2002-11-01

    We observed a few hundred meter-sized asteroid like "Le Petit Prince"'s home using Subaru telescope. The name of the asteroid is 1998 SF36, which is a target object of the Japanese asteroid sample return mission, MUSES-C. We report the results of the observations and expect the true picture of the tiny-sized asteroid.

  6. National Trends and Geographic Variation in Availability of Home Health Care: 2002-2015.

    Science.gov (United States)

    Wang, Yun; Leifheit-Limson, Erica C; Fine, Jonathan; Pandolfi, Michelle M; Gao, Yan; Liu, Fanglin; Eckenrode, Sheila; Lichtman, Judith H

    2017-07-01

    To evaluate national trends and geographic variation in the availability of home health care from 2002 to 2015 and identify county-specific characteristics associated with home health care. Observational study. All counties in the United States. All Medicare-certified home health agencies included in the Centers for Medicare & Medicaid Services Home Health Compare system. County-specific availability of home health care, defined as the number of available home health agencies that provided services to a given county per 100,000 population aged ≥18 years. The study included 15,184 Medicare-certified home health agencies that served 97% of U.S. ZIP codes. Between 2002-2003 and 2014-2015, the county-specific number of available home health agencies per 100,000 population aged ≥18 years increased from 14.7 to 21.8 and the median (inter-quartile range) population that was serviced by at least one home health agency increased from 403,605 (890,329) to 455,488 (1,039,328). Considerable geographic variation in the availability of home health care was observed. The West, North East, and South Atlantic regions had lower home health care availability than the Central regions, and this pattern persisted over the study period. Counties with higher median income, a larger senior population, higher rates of households without a car and low access to stores, more obesity, greater inactivity, and higher proportions of non-Hispanic white, non-Hispanic black, and Hispanic populations were more likely to have higher availability of home health care. The availability of home health care increased nationwide during the study period, but there was much geographic variation. © 2017, Copyright the Authors Journal compilation © 2017, The American Geriatrics Society.

  7. Eldercare at Home: Choosing a Nursing Home

    Science.gov (United States)

    ... required, these services can be provided by a separate home health agency as directed by a doctor or ... complaints made by or on behalf of nursing home residents and work to resolve the problems. If they are unable ...

  8. Smart Home Hacking

    OpenAIRE

    Kodra, Suela

    2016-01-01

    Smart Home is an intelligent home equipped with devices and communications systems that enables the residents to connect and control their home appliances and systems. This technology has changed the way a consumer interacts with his home, enabling more control and convenience. Another advantage of this technology is the positive impact it has on savings on energy and other resources. However, despite the consumer's excitement about smart home, security and privacy have shown to be the strong...

  9. The Effects of Staff Training on the Types of Interactions Observed at Two Group Homes for Foster Care Children

    Science.gov (United States)

    Crosland, Kimberly A.; Dunlap, Glen; Sager, Wayne; Neff, Bryon; Wilcox, Catherine; Blanco, Alfredo; Giddings, Tamela

    2008-01-01

    Objectives: An extensive literature base exists for behavioral parent training; however, few studies have focused on training direct care staff at group home and residential facilities for children. This study was conducted to determine whether a behavioral staff training program consisting of classroom training and in-home feedback would improve…

  10. Planned and unplanned deliveries at home: implications of a changing ratio.

    OpenAIRE

    Murphy, J F; Dauncey, M; Gray, O P; Chalmers, I

    1984-01-01

    The observation that perinatal mortality among babies delivered at home has tended to increase beyond that among babies delivered in consultant obstetric units has caused alarm and prompted recommendations that delivery at home should be further phased out. With data derived from the Cardiff Births Survey the possibility was investigated that this trend might reflect a changing ratio of planned to unplanned domiciliary births. At the beginning of the 1970s deliveries at home that were planned...

  11. Study on luminescence characteristics of blue OLED with phosphor-doped host-guest structure

    Science.gov (United States)

    Wang, Zhen; Liu, Fei; Zheng, Xin; Chen, Ai; Xie, Jia-feng; Zhang, Wen-xia

    2018-05-01

    In this study, we design and fabricate phosphor-doped host-guest structure organic light-emitting diodes (OLEDs), where the blue-ray iridium complex electrophosphorescent material FIrpic acts as object material. Properties of the device can be accommodated by changing the host materials, dopant concentration and thickness of the light-emitting layer. The study shows that the host material N,N'-dicarbazolyl-3,5-benzene (mCP) has a higher triplet excited state energy level, which can effectively prevent FIrpic triplet excited state energy backtracking to host material, thus the luminous efficiency is improved. When mCP is selected as the host material, the thickness of the light-emitting layer is 30 nm and the dopant concentration is 8 wt%, the excitons can be effectively confined in the light-emitting region. As a result, the maximum current efficiency and the maximum brightness of the blue device can reach 15.5 cd/A and 7 196.3 cd/m2, respectively.

  12. Stroke and Nursing Home care: a national survey of nursing homes

    Directory of Open Access Journals (Sweden)

    McGee Hannah

    2010-01-01

    Full Text Available Abstract Background Although stroke is recognised as a major factor in admission to nursing home care, data is lacking on the extent and nature of the disabilities and dependency in nursing homes arising from stroke. A national study conducted in nursing homes can quantify the number of residents with stroke in nursing homes, their disability and levels of dependency. Methods A cross-sectional survey research design was used. A total of 572 public and private nursing homes were identified nationally and a stratified random selection of 60 nursing homes with 3,239 residents was made. In half of the nursing homes (n = 30 efforts were made to interview all residents with stroke Survey instruments were used to collect data from residents with stroke and nursing home managers on demography, patient disability, and treatment. Results Across all nursing homes (n = 60, 18% (n = 570 of the residents had previously had a stroke. In homes (n = 30, where interviews with residents with stroke (n = 257, only 7% (n = 18 residents were capable of answering for themselves and were interviewed. Data on the remaining 93% (n = 239 residents were provided by the nursing home manager. Nurse Managers reported that 73% of residents with stroke had a high level of dependency. One in two residents with stroke was prescribed antidepressants or sedative medication. Only 21% of stroke residents were prescribed anticoagulants, 42% antiplatelets, and 36% cholesterol lowering medications. Stroke rehabilitation guidelines were lacking and 68% reported that there was no formal review process in place. Conclusions This study provides seminal findings on stroke and nursing home services in Ireland. We now know that one in six nursing home residents in a national survey are residents with a stroke, and have a wide range of disabilities. There is currently little or no structured care (beyond generic care for stroke survivors who reside in nursing homes in Ireland.

  13. Logotherapy Counseling to Improve Acceptance of Broken Home Child

    Directory of Open Access Journals (Sweden)

    Erwin Erlangga

    2017-08-01

    Full Text Available This study aims to increase the enrollment of children of a broken home that life has meaning. Subjects are 100 children in Demak whose families experiencing divorce. Research themes include three things: individual counseling, engineering logotherapy, reception, and a child of a broken home. Data obtained based on interviews, observation, and psychological scale showed that of the 100 children of a broken home has a low acceptance that individual counseling with logotherapy techniques were considered appropriate to increase the enrollment of children of a broken home. Factors - factors that affect the acceptance of a child of a broken home is self-blame, anger and did not have a purpose in life again. In addition the environment is also a significant effect on the enrollment of children of a broken home. Environmental labeling of families experiencing divorce as a family that failed so that children are increasingly stressed with the stamp of the community. Based on the field test results, the level of acceptance of the child of a broken home increases after the individual is given counseling services with logotherapy techniques. Indicated by changes in the level of acceptance of children of a broken home before being given treatment (initial evaluation and after (final evaluation of 130 points. The results of effectiveness test statistic t test calculations also showed 0,010 <0.05.It was concluded that counseling individuals with logotherapy effective technique to increase the enrollment of children of a broken home

  14. Influence of the day care, home and neighbourhood environment on young children's physical activity and health: protocol for the PLAYCE observational study.

    Science.gov (United States)

    Christian, Hayley; Maitland, Clover; Enkel, Stephanie; Trapp, Georgina; Trost, Stewart G; Schipperijn, Jasper; Boruff, Bryan; Lester, Leanne; Rosenberg, Michael; Zubrick, Stephen R

    2016-12-08

    The early years are a critical period in a child's health and development, yet most preschool children fail to meet physical activity guidelines. Outside of the home and neighbourhood, children spend a large proportion of time within early childhood education and care (ECEC) services such as long day care. Research is required to determine how the design of day care outdoor (and indoor) spaces provides opportunities or constraints for physical activity. A significant evidence gap surrounds what objectively measured attributes of the home and neighbourhood environment influence preschoolers' physical activity. The PLAY Spaces & Environments for Children's Physical Activity (PLAYCE) study will empirically investigate the relative and cumulative influence of the day care, home and neighbourhood environment on preschoolers' physical activity. The PLAYCE study is a cross-sectional observational study (April 2015 to April 2018) of 2400 children aged 2-5 years attending long day care in metropolitan Perth, Western Australia. Accelerometers will measure physical activity with indoor physical activity measured using radio frequency identification. Global positioning systems will be used to determine outdoor location of physical activity around the home and neighbourhood for a subsample (n=310). The day care environment will be objectively measured using a validated audit tool. Other potential individual, social and physical environmental influences on preschoolers' physical activity will be collected by geographic information systems measures, parent and day care educator surveys. Ethical approval has been granted by The University of Western Australia Human Ethics Research Committee, approval number RA/4/1/7417. Findings will be published in international peer-reviewed journals and presented at international conferences. Key findings will be disseminated to stakeholders, collaborators, policymakers and practitioners working in the ECEC sector. Day care centre directors

  15. Anomaly detection using temporal data mining in a smart home environment.

    Science.gov (United States)

    Jakkula, V; Cook, D J

    2008-01-01

    To many people, home is a sanctuary. With the maturing of smart home technologies, many people with cognitive and physical disabilities can lead independent lives in their own homes for extended periods of time. In this paper, we investigate the design of machine learning algorithms that support this goal. We hypothesize that machine learning algorithms can be designed to automatically learn models of resident behavior in a smart home, and that the results can be used to perform automated health monitoring and to detect anomalies. Specifically, our algorithms draw upon the temporal nature of sensor data collected in a smart home to build a model of expected activities and to detect unexpected, and possibly health-critical, events in the home. We validate our algorithms using synthetic data and real activity data collected from volunteers in an automated smart environment. The results from our experiments support our hypothesis that a model can be learned from observed smart home data and used to report anomalies, as they occur, in a smart home.

  16. Medicare home health utilization as a function of nursing home market factors.

    OpenAIRE

    Swan, J H; Benjamin, A E

    1990-01-01

    Rapid increases in the size and costs of the home health market, unknown impacts of Medicare's DRG hospital reimbursement on the posthospital market, and general lack of knowledge about factors that explain interstate variation in home health utilization all suggest the importance of developing and testing models of Medicare home health use. This article proposes and tests a model of state home health utilization as a function of the nursing home market. This model proposes that home health u...

  17. The Sweet-Home speech and multimodal corpus for home automation interaction

    OpenAIRE

    Vacher , Michel; Lecouteux , Benjamin; Chahuara , Pedro; Portet , François; Meillon , Brigitte; Bonnefond , Nicolas

    2014-01-01

    International audience; Ambient Assisted Living aims at enhancing the quality of life of older and disabled people at home thanks to Smart Homes and Home Automation. However, many studies do not include tests in real settings, because data collection in this domain is very expensive and challenging and because of the few available data sets. The SWEET-H OME multimodal corpus is a dataset recorded in realistic conditions in D OMUS, a fully equipped Smart Home with microphones and home automati...

  18. Danish Observational Study of Eldercare work and musculoskeletal disorderS (DOSES): a prospective study at 20 nursing homes in Denmark

    Science.gov (United States)

    Karstad, Kristina; Jørgensen, Anette F B; Greiner, Birgit A; Burdorf, Alex; Søgaard, Karen; Rugulies, Reiner; Holtermann, Andreas

    2018-01-01

    Purpose Musculoskeletal disorders (MSDs), sickness absence and premature retirement are highly prevalent among eldercare workers. We conducted a prospective observational workplace study with the main purpose to investigate longitudinal associations between physical and psychosocial working conditions and occurrence of MSD and its consequences (pain-related interference with daily work activities and sickness absence) among Danish eldercare workers. Participants At 20 Danish nursing homes, a total of 941 eldercare workers employed in day and evening shifts were invited to the study. Of those, 553 participated in the baseline measurements, and 441 completed the total period of 12 months follow-up. Findings to date Data were collected from September 2013 to January 2016. Physical and psychosocial working conditions were assessed with multiple methods (observations, accelerometer measurements and work schedules), and multiple levels of information (nursing home, ward, resident and eldercare worker) were incorporated in the data collection. MSD and the consequences hereof were assessed monthly during a 1-year follow-up. Study participants and non-participants were comparable on most of the 27 sociodemographic, health and working condition characteristics at baseline. The exceptions were higher neck–shoulder pain intensity, less sickness absence, more exposure to negative behaviour from residents and a higher percentage of working day shifts and fewer evening shifts among participants compared with non-participants. Future plans The first publications will report on the associations of physical and psychosocial working conditions with occurrence of MSD and its consequences. In addition, the cohort gives the opportunity to investigate the importance of organisational, management and team factors for distribution of physical work demands and development of MSD among the workers. This will provide important knowledge for future workplace interventions to reduce MSD and

  19. Host-Guest Recognition-Assisted Electrochemical Release: Its Reusable Sensing Application Based on DNA Cross Configuration-Fueled Target Cycling and Strand Displacement Reaction Amplification.

    Science.gov (United States)

    Chang, Yuanyuan; Zhuo, Ying; Chai, Yaqin; Yuan, Ruo

    2017-08-15

    In this work, an elegantly designed host-guest recognition-assisted electrochemical release was established and applied in a reusable electrochemical biosensor for the detection of microRNA-182-5p (miRNA-182-5p), a prostate cancer biomarker in prostate cancer, based on the DNA cross configuration-fueled target cycling and strand displacement reaction (SDR) amplification. With such a design, the single target miRNA input could be converted to large numbers of single-stranded DNA (S1-Trp and S2-Trp) output, which could be trapped by cucurbit[8]uril methyl viologen (CB-8-MV 2+ ) based on the host-guest recognition, significantly enhancing the sensitivity for miRNA detection. Moreover, the nucleic acids products obtained from the process of cycling amplification could be utilized sufficiently, avoiding the waste and saving the experiment cost. Impressively, by resetting a settled voltage, the proposed biosensor could release S1-Trp and S2-Trp from the electrode surface, attributing that the guest ion methyl viologen (MV 2+ ) was reduced to MV +· under this settled voltage and formed a more-stable CB-8-MV +· -MV +· complex. Once O 2 was introduced in this system, MV +· could be oxidized to MV 2+ , generating the complex of CB-8-MV 2+ for capturing S1-Trp and S2-Trp again in only 5 min. As a result, the simple and fast regeneration of biosensor for target detection was realized on the base of electrochemical redox-driven assembly and release, overcoming the challenges of time-consuming, burdensome operations and expensive experimental cost in traditional reusable biosensors and updating the construction method for a reusable bisensor. Furthermore, the biosensor could be reused for more than 10 times with a regeneration rate of 93.20%-102.24%. After all, the conception of this work provides a novel thought for the construction of effective reusable biosensor to detect miRNA and other biomarkers and has great potential application in the area requiring the release of

  20. Smoke-Free Homes and Home Exposure to Secondhand Smoke in Shanghai, China

    Directory of Open Access Journals (Sweden)

    Pinpin Zheng

    2014-11-01

    Full Text Available Few studies have examined home exposure to secondhand smoke (SHS in China. This study aimed to document: (1 the prevalence and correlates of exposure to SHS in homes (in adult non-smokers in Shanghai, and (2 enforcement of rules, harm reduction behaviors, and self-efficacy for maintaining smoke-free homes in Shanghai. A total of 500 participants were recruited using a multistage proportional random sampling design in an urban and suburban district to complete a survey. Among the total 355 nonsmokers, 127 (35.8% participants reported being exposed to SHS in the past 7 days. Participants living with smokers in the home, with no smoking restriction at home, and having children younger than 18 were more likely to be exposed to SHS at home. Higher self-efficacy in maintaining a smoke-free home was negatively associated with home SHS exposure. Having visitors who smoke was the greatest policy enforcement challenge. Ineffective measures such as opening windows were more commonly used in homes with partial bans. Educational initiatives to protect against SHS exposure in the home should promote smoke-free homes, address challenges to implementing such policies, and address misconceptions regarding the effectiveness of supposed harm reduction behaviors.

  1. DOE Zero Energy Ready Home Case Study: Sterling Brook Custom Homes — Village Park Eco Home, Double Park, TX

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2014-09-01

    This builder won a Custom Builder honor in the 2014 Housing Innovation Awards for this showcase home that serves as an energy-efficient model home for the custom home builder: 1,300 visitors toured the home, thousands more learned about the home’s advanced construction via the webpage, YouTube, Twitter, Facebook, Instagram, and Pinterest.

  2. HOME Grantee Areas

    Data.gov (United States)

    Department of Housing and Urban Development — The HOME Investment Partnership Program (HOME) is authorized under Title II of the Cranston-Gonzalez National Affordable Housing Act. HOME provides formula grants to...

  3. Comparing the odds of postpartum haemorrhage in planned home birth against planned hospital birth: results of an observational study of over 500,000 maternities in the UK

    Directory of Open Access Journals (Sweden)

    Nove Andrea

    2012-11-01

    Full Text Available Abstract Background The aim of this study is to compare the odds of postpartum haemorrhage among women who opt for home birth against the odds of postpartum haemorrhage for those who plan a hospital birth. It is an observational study involving secondary analysis of maternity records, using binary logistic regression modelling. The data relate to pregnancies that received maternity care from one of fifteen hospitals in the former North West Thames Regional Health Authority Area in England, and which resulted in a live or stillbirth in the years 1988–2000 inclusive, excluding ‘high-risk’ pregnancies, unplanned home births, pre-term births, elective Caesareans and medical inductions. Results Even after adjustment for known confounders such as parity, the odds of postpartum haemorrhage (≥1000ml of blood lost are significantly higher if a hospital birth is intended than if a home birth is intended (odds ratio 2.5, 95% confidence interval 1.7 to 3.8. The ‘home birth’ group included women who were transferred to hospital during labour or shortly after birth. Conclusions Women and their partners should be advised that the risk of PPH is higher among births planned to take place in hospital compared to births planned to take place at home, but that further research is needed to understand (a whether the same pattern applies to the more life-threatening categories of PPH, and (b why hospital birth is associated with increased odds of PPH. If it is due to the way in which labour is managed in hospital, changes should be made to practices which compromise the safety of labouring women.

  4. Rurality and nursing home quality: evidence from the 2004 National Nursing Home Survey.

    Science.gov (United States)

    Kang, Yu; Meng, Hongdao; Miller, Nancy A

    2011-12-01

    To evaluate the impact of rural geographic location on nursing home quality of care in the United States. The study used cross-sectional observational design. We obtained resident- and facility-level data from 12,507 residents in 1,174 nursing homes from the 2004 National Nursing Home Survey. We used multilevel regression models to predict risk-adjusted rates of hospitalization, influenza and pneumococcal vaccination, and moderate to severe pain while controlling for resident and facility characteristics. Adjusting for covariates, residents in rural facilities were more likely to experience hospitalization (odds ratio [OR] = 1.50, 95% confidence interval [CI] = 1.16-1.94) and moderate to severe pain (OR = 1.68, 95% CI = 1.35-2.09). Significant facility-level predictors of higher quality included higher percentage of Medicaid beneficiaries, accreditation status, and special care programs. Medicare payment findings were mixed. Significant resident-level predictors included dementia diagnosis and being a "long-stay" resident. Rural residents were more likely to reside in facilities without accreditations or special care programs, factors that increased their odds of receiving poorer quality of care. Policy efforts to enhance Medicare payment approaches as well as increase rural facilities' accreditation status and provision of special care programs will likely reduce quality of care disparities in facilities.

  5. Quality of human milk expressed in a human milk bank and at home.

    Science.gov (United States)

    Borges, Mayla S; Oliveira, Angela M de M; Hattori, Wallisen T; Abdallah, Vânia O S

    2017-08-30

    To evaluate the quality of the human milk expressed at home and at a human milk bank. This a retrospective, analytical, and observational study, performed by assessing titratable acidity records and the microbiological culture of 100 human milk samples expressed at home and at a human milk bank, in 2014. For the statistical analysis, generalized estimating equations (GEE) and the chi-squared test were used. When comparing the two sample groups, no significant difference was found, with 98% and 94% of the samples being approved among those collected at the milk bank and at home, respectively. No main interaction effect between local and titratable acidity records (p=0.285) was observed, and there was no statistically significant difference between the expected and observed values for the association between the collection place and the microbiological culture results (p=0.307). The quality of human milk expressed at home and at the milk bank are in agreement with the recommended standards, confirming that the expression of human milk at home is as safe as expression at the human milk bank, provided that the established hygiene, conservation, storage, and transport standards are followed. Copyright © 2017 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.

  6. Smart Cities - Smart Homes and Smart Home Technology

    OpenAIRE

    Faanes, Erlend Kydland

    2014-01-01

    This master’s thesis consists of two articles where the first article is theoretical and the second is the empirical study. Article I The purpose with this paper is to explore and illuminate how smart home and smart home technology can contribute to enhance health and Quality of Life in elderly citizens and allow them to live longer in their home. The paper provides a brief introduction to health promotion and highlights the thesis theoretical framework and foundation of Aaron Antonov...

  7. Nursing perception of patient transitions from hospitals to home with home health.

    Science.gov (United States)

    Smith, Shannon Bright; Alexander, Judith W

    2012-01-01

    The study's purpose was to determine nurses' opinions of sending patients from the hospital to home with home health services. The study occurred in the Charleston, South Carolina, Tricounty area (Berkeley, Charleston, and Dorchester counties). Home health agencies and hospitals were invited to participate. The study used a survey design to gather information on nursing perceptions of current practices and needed changes to improve transition of patients. The population was nurses (licensed practical nurses (LPNs) and registered nurses (RNs)) employed at inpatient hospitals or home health agencies in the area. Thirty-four RNs responded with no LPNs respondents. Agency administrators/chief nursing officers agreed for their agencies to participate and distributed the survey using a Research Electronic Data Capture (REDCap) Internet-based survey tool. Using the survey results and information from a literature review, the study developed a list of propositions, which participating administrators reviewed, for improving transitions to home. Both home health and hospital nurses reported a need to improve the process of sending patients from hospital to home with home health services. This study provides hospitals and home health agencies with propositions to facilitate the establishment of a process to communicate effectively patients care needs and streamline the discharging patients from the hospital to home health care; thus, improving patient transition. Case managers and discharge planners will need interagency collaboration along with evidence-based interventions to transition patients from the hospital to home with home health services with various populations. Direct patient care nurses in both hospital and home health settings should share the same accountability as case managers to ensure successful transitions.

  8. Guest editorial - Networked collaboration, sharing and response

    Directory of Open Access Journals (Sweden)

    Olav Skundberg

    2008-11-01

    Full Text Available  This issue of Seminar.net contains three articles that were written in connection with a Norwegian e-learning conference titled “Networked collaboration, sharing and response”. The conference was held in Mars 2008 in Trondheim, and the presentations from the conference is available (in norwegian language at http://www.nvu.no. Networked collaboration was chosen as a theme because collaboration is important to achieve learning, according to the social-constructivistic pedagogy that has a strong standing in Norway, but how should this occur on the net? Sharing of content, as in digital learning resources, is a phenomenon with increasing popularity as described in the OECD-report “Giving Knowledge for Free”. But to achieve reuse of content, not only publishing it, it is important with a networked community where the plethora of information can be sorted with relevance to specific topics. Response is about guiding, coaching and tutoring. In what ways may resources and tools be used to move in the direction of solving Bloom’s two sigma problem/challenge? The first article, by Morten Flate Paulsen, shows how cooperative learning can be implemented successfully so that students have optimal individual freedom within online learning communities. The second article, by Carl F. Dons, shows how student teachers can be prepared to deal with pupils who have a wide range of experiences of the digital world. The third and last article, by Kristin Dale, is sharing experiences with multiple choice-tests to give midterm responses to students. In addition, this issue has a commentary article by Rune Krumsvik discussing the need to develop new practices for teachers and students on the background of the digital developments. The conference and articles covers three big themes. It may be difficult to find more important issues, apart from finding money and time to support its development. Olav Skundberg, guest editorAssociate professor

  9. Home Health Compare: Find a Home Health Agency

    Science.gov (United States)

    ... page could not be loaded. The Medicare.gov Home page currently does not fully support browsers with " ... widget - Select to show Back to top Footer Home A federal government website managed and paid for ...

  10. Exercise at Home

    Science.gov (United States)

    ... Home Health Insights Exercise & Weight Exercise at Home Exercise at Home Make an Appointment Ask a Question ... with the movement and contact your provider. Posture Exercises Better posture means better breathing and movement. Axial ...

  11. Practices surrounding children's photos in homes

    NARCIS (Netherlands)

    Vyas, Dhaval; van der Veer, Gerrit C.; Nijholt, Antinus; Grassel, Guido; Chi, E.H.; Höök, K,

    2012-01-01

    New parents cherish photos of their children. In their homes one can observe a varied set of arrangements of their young ones' photos. We studied eight families with young children to learn about their practices related to photos. We provide preliminary results from the field study and elaborate on

  12. Home, Smart Home

    DEFF Research Database (Denmark)

    Hansen, Ellen Kathrine; Olesen, Gitte Gylling Hammershøj; Mullins, Michael

    2013-01-01

    The article places focus on how smart technologies integrated in a one family- home and particular the window offer unique challenges and opportunities for designing buildings with the best possible environments for people and nature. Toward an interdisciplinary approach, we address the interaction...... between daylight defined in technical terms and daylight defined in aesthetic, architectural terms. Through field-tests of a Danish carbon-neutral home and an analysis of five key design parameters, we explore the contradictions and potentials in smart buildings, using the smart window as example of how...... to the energy design is central. The study illuminates an approach of the design of smart houses as living organisms by connecting technology with the needs of the occupants with the power and beauty of daylight....

  13. Bringing Work Home: Take-Home Pesticide Exposure Among Farm Families

    NARCIS (Netherlands)

    Curwin, B.D.

    2006-01-01

    In this thesis take-home pesticide exposure among farm families, with an emphasis on herbicides, was investigated. Take-home exposure occurs when a worker unwittingly brings home a substance on his or her clothing or shoes, thereby potentially exposing his or her family. The pesticides investigated

  14. [The admission to Nursing Homes and Home care services of elderly patients: analysis of the trend from 2008 to 2011 in a North Italian district].

    Science.gov (United States)

    Caporale, Loretta; Czaplejewicz, Monika; Odasmini, Bruna

    2014-01-01

    The effects of the economic crisis impact on several aspects, included the use of health and social services. To analyze the effects of the economic recession on the request of in-home and long run social-health services. Retrospective research. The databases of a In-home Nursing Service, the Social Services and the Welfare area of a Social-Health Local Service in North of Italy have been consulted, with reference to the period between 31st December 2008 to 31st December 2011. From 2008 to 2011 the users supported by the In-Home Nursing Service increased by 30.3% while a decrease in the waiting lists for public and private nursing homes was observed. The users of In-Home Assistance Service decreased by 11%, as well as recipients of In-Home Meal Service (33%). Since 2008, the number of regional economic allowance beneficiaries dramatically increased; these allowances are dispensed as a support to In-Home Nursing Service and to social frailty. Profound changes of the offer and use of long term care services is evident. The endurance of this trend could impair the In-Home Nursing Services ability to answer to health needs of citizens. Health care professionals should strengthen the educational interventions to improve the level of patients'self care.

  15. Home Features and Assistive Technology for the Home-Bound Elderly in a Thai Suburban Community by Applying the International Classification of Functioning, Disability, and Health

    Directory of Open Access Journals (Sweden)

    Supawadee Putthinoi

    2017-01-01

    Full Text Available The ageing population is having an impact worldwide and has created a serious challenge in Thailand’s healthcare systems, whereby healthcare practitioners play a major role in promoting independent interaction of their client’s abilities, as well as environmental factors. The purpose of this study was to survey features of the home and assistive technology (AT for the home-bound elderly in the community of Chiang Mai, Thailand. Home evaluation included features inside and outside the home, and AT was based on the International Classification of Functioning, Disability, and Health (ICF concept. Methods included observation and an interview that were used by the researcher for evaluation. The study found that every home had at least one hazardous home feature such as inappropriate width of the door, high door threshold, tall stair steps, no bedside rail, and inappropriate height of the toilet pan. AT was found in houses as general products and technology for personal use in daily living and for personal indoor and outdoor mobility as well as transportation. Therefore, home features and AT can afford the home-bound elderly independent living within the community. Perspective AT according to the ICF concept could provide a common language for ageing in place benefits.

  16. Using Gas-Phase Guest-Host Chemistry to Probe the Structures of b Ions of Peptides

    Science.gov (United States)

    Somogyi, Árpád; Harrison, Alex G.; Paizs, Béla

    2012-12-01

    Middle-sized b n ( n ≥ 5) fragments of protonated peptides undergo selective complex formation with ammonia under experimental conditions typically used to probe hydrogen-deuterium exchange in Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS). Other usual peptide fragments like y, a, a*, etc., and small b n ( n ≤ 4) fragments do not form stable ammonia adducts. We propose that complex formation of b n ions with ammonia is characteristic to macrocyclic isomers of these fragments. Experiments on a protonated cyclic peptide and N-terminal acetylated peptides fully support this hypothesis; the protonated cyclic peptide does form ammonia adducts while linear b n ions of acetylated peptides do not undergo complexation. Density functional theory (DFT) calculations on the proton-bound dimers of all-Ala b 4 , b 5 , and b 7 ions and ammonia indicate that the ionizing proton initially located on the peptide fragment transfers to ammonia upon adduct formation. The ammonium ion is then solvated by N+-H…O H-bonds; this stabilization is much stronger for macrocyclic b n isomers due to the stable cage-like structure formed and entropy effects. The present study demonstrates that gas-phase guest-host chemistry can be used to selectively probe structural features (i.e., macrocyclic or linear) of fragments of protonated peptides. Stable ammonia adducts of b 9 , b 9 -A, and b 9 -2A of A8YA, and b 13 of A20YVFL are observed indicating that even these large b-type ions form macrocyclic structures.

  17. Medication reconciliation in nursing homes: thematic differences between RN and LPN staff.

    Science.gov (United States)

    Vogelsmeier, Amy A; Scott-Cawiezell, Jill R; Pepper, Ginette A

    2011-12-01

    The purpose of this qualitative descriptive study was to describe medication reconciliation practices in nursing homes with a specific focus on nursing staff involvement in the process. The study was conducted in eight Midwestern nursing homes and included 46 onsite observations of resident transfers to the nursing home. Informal interviews of nursing staff performing medication reconciliation were conducted during each observation. Findings suggest nursing home nursing staff, including both RN and licensed practical nurse (LPN) staff, were primarily responsible for performing medication reconciliation; however, these staff often varied in how they processed resident transfer information to identify medication order discrepancies. Patterns of differences were found related to their perceptions about medication reconciliation, as well as their actions when performing the process. RN staff were more often focused on resident safety and putting the "big picture" together, whereas LPN staff were more often focused on the administrative assignment and "completing the task." Copyright 2011, SLACK Incorporated.

  18. Smart homes and home health monitoring technologies for older adults: A systematic review.

    Science.gov (United States)

    Liu, Lili; Stroulia, Eleni; Nikolaidis, Ioanis; Miguel-Cruz, Antonio; Rios Rincon, Adriana

    2016-07-01

    Around the world, populations are aging and there is a growing concern about ways that older adults can maintain their health and well-being while living in their homes. The aim of this paper was to conduct a systematic literature review to determine: (1) the levels of technology readiness among older adults and, (2) evidence for smart homes and home-based health-monitoring technologies that support aging in place for older adults who have complex needs. We identified and analyzed 48 of 1863 relevant papers. Our analyses found that: (1) technology-readiness level for smart homes and home health monitoring technologies is low; (2) the highest level of evidence is 1b (i.e., one randomized controlled trial with a PEDro score ≥6); smart homes and home health monitoring technologies are used to monitor activities of daily living, cognitive decline and mental health, and heart conditions in older adults with complex needs; (3) there is no evidence that smart homes and home health monitoring technologies help address disability prediction and health-related quality of life, or fall prevention; and (4) there is conflicting evidence that smart homes and home health monitoring technologies help address chronic obstructive pulmonary disease. The level of technology readiness for smart homes and home health monitoring technologies is still low. The highest level of evidence found was in a study that supported home health technologies for use in monitoring activities of daily living, cognitive decline, mental health, and heart conditions in older adults with complex needs. Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

  19. Planned and unplanned deliveries at home: implications of a changing ratio.

    Science.gov (United States)

    Murphy, J F; Dauncey, M; Gray, O P; Chalmers, I

    1984-05-12

    The observation that perinatal mortality among babies delivered at home has tended to increase beyond that among babies delivered in consultant obstetric units has caused alarm and prompted recommendations that delivery at home should be further phased out. With data derived from the Cardiff Births Survey the possibility was investigated that this trend might reflect a changing ratio of planned to unplanned domiciliary births. At the beginning of the 1970s deliveries at home that were planned to be so outnumbered those that were not by nearly five to one. By 1979 unplanned deliveries at home outnumbered planned deliveries. The characteristics of the mothers, the health care they received, and the outcome of delivery differed strikingly between planned and unplanned deliveries at home. It is concluded, firstly, that every year the maternity services must try to meet the various needs of about 2000 women in England and Wales who give birth at home without planning to do so; and, secondly, that the heterogeneity of births at home and in hospital will continue to obstruct the search for unbiased estimates of the risks attributable to delivery in specialist obstetric units, general practitioner units, and at home.

  20. Meaning creation and employee engagement in home health caregivers.

    Science.gov (United States)

    Nielsen, Mette Strange; Jørgensen, Frances

    2016-03-01

    The purpose of this study is to contribute to an understanding on how home health caregivers experience engagement in their work, and specifically, how aspects of home healthcare work create meaning associated with employee engagement. Although much research on engagement has been conducted, little has addressed how individual differences such as worker orientation influence engagement, or how engagement is experienced within a caregiving context. The study is based on a qualitative study in two home homecare organisations in Denmark using a think-aloud data technique, interviews and observations. The analysis suggests caregivers experience meaning in three relatively distinct ways, depending on their work orientation. Specifically, the nature of engagement varies across caregivers oriented towards being 'nurturers', 'professionals', or 'workers', and the sources of engagement differ for each of these types of caregivers. The article contributes by (i) advancing our theoretical understanding of employee engagement by emphasising meaning creation and (ii) identifying factors that influence meaning creation and engagement of home health caregivers, which should consequently affect the quality of services provided home healthcare patients. © 2015 Nordic College of Caring Science.

  1. Foster home integration as a temporal indicator of relational well-being.

    Science.gov (United States)

    Waid, Jeffrey; Kothari, Brianne H; McBeath, Bowen M; Bank, Lew

    2017-12-01

    This study sought to identify factors that contribute to the relational well-being of youth in substitute care. Using data from the [BLIND] study, youth responded to a 9-item measure of positive home integration, a scale designed to assess the relational experiences of youth to their caregivers and their integration into the foster home. Data were collected from youth in six month intervals, for an 18-month period of time. Latent growth curve modeling procedures were employed to determine if child, family, and case characteristics influenced youth's home integration trajectories. Results suggest stability in youth reports of home integration over time; however, children who were older at the time of study enrollment and youth who experienced placement changes during the period of observation experienced decreased home integration during the 18-month period. Results suggest youth's perspectives of home integration may in part be a function of the child's developmental stage and their experiences with foster care placement instability. Implications for practice and future research are discussed.

  2. Antenna coupling study for ICWC plasma characterization in TEXTOR

    Indian Academy of Sciences (India)

    2015-11-27

    Home; Journals; Pramana – Journal of Physics; Volume 80; Issue 1. Antenna coupling study for ICWC plasma characterization in ... Proceedings of the International Workshop/Conference on Computational Condensed Matter Physics and Materials Science (IWCCMP-2015). Posted on November 27, 2015. Guest Editors: ...

  3. Isospectrality of conventional and new extended potentials, second ...

    Indian Academy of Sciences (India)

    2015-11-27

    Home; Journals; Pramana – Journal of Physics; Volume 73; Issue 2. Isospectrality of conventional and new extended potentials, ... Proceedings of the International Workshop/Conference on Computational Condensed Matter Physics and Materials Science (IWCCMP-2015). Posted on November 27, 2015. Guest Editors: ...

  4. Ultrasonic attenuation in rare-earth monoarsenides

    Indian Academy of Sciences (India)

    2015-11-27

    Home; Journals; Pramana – Journal of Physics; Volume 86; Issue 6. Ultrasonic attenuation in rare-earth monoarsenides .... Proceedings of the International Workshop/Conference on Computational Condensed Matter Physics and Materials Science (IWCCMP-2015). Posted on November 27, 2015. Guest Editors: Anurag ...

  5. Pilot study to investigate the feasibility of the Home Falls and Accidents Screening Tool (HOME FAST) to identify older Malaysian people at risk of falls.

    Science.gov (United States)

    Romli, Muhammad Hibatullah; Mackenzie, Lynette; Lovarini, Meryl; Tan, Maw Pin

    2016-08-16

    The relationship between home hazards and falls in older Malaysian people is not yet fully understood. No tools to evaluate the Malaysian home environment currently exist. Therefore, this study aimed to pilot the Home Falls and Accidents Screening Tool (HOME FAST) to identify hazards in Malaysian homes, to evaluate the feasibility of using the HOME FAST in the Malaysian Elders Longitudinal Research (MELoR) study and to gather preliminary data about the experience of falls among a small sample of Malaysian older people. A cross-sectional pilot study was conducted. An urban setting in Kuala Lumpur. 26 older people aged 60 and over were recruited from the control group of a related research project in Malaysia, in addition to older people known to the researchers. The HOME FAST was applied with the baseline survey for the MELoR study via a face-to-face interview and observation of the home by research staff. The majority of the participants were female, of Malay or Chinese ethnicity and living with others in a double-storeyed house. Falls were reported in the previous year by 19% and 80% of falls occurred at home. Gender and fear of falling had the strongest associations with home hazards. Most hazards were detected in the bathroom area. A small number of errors were detected in the HOME FAST ratings by researchers. The HOME FAST is feasible as a research and clinical tool for the Malaysian context and is appropriate for use in the MELoR study. Home hazards were prevalent in the homes of older people and further research with the larger MELoR sample is needed to confirm the validity of using the HOME FAST in Malaysia. Training in the use of the HOME FAST is needed to ensure accurate use by researchers. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

  6. Association between eating out of home and body weight.

    Science.gov (United States)

    Bezerra, Ilana N; Curioni, Cintia; Sichieri, Rosely

    2012-02-01

    Eating outside of the home environment on a frequent basis has been associated with weight gain. Food choices when eating out are usually high in energy content, which contributes to excessive energy intake; however, the available data on out-of-home eating and obesity are far from conclusive. This systematic review assesses the association between out-of-home eating and body weight in adults over 18 years of age. The literature databases searched included Medline, Embase, Lilacs, The Cochrane Library, and the ISI Web of Knowledge. The review includes a comprehensive quality assessment of all included observational studies, 20 cross-sectional studies, and 8 prospective cohort studies. All but one of the prospective cohort studies and about half of the cross-sectional analyses found a positive association between out-of-home eating and body weight. However, many methodological differences among the studies were found, such as the definition of out-of-home eating and its assessment, which limits comparisons. The results of the present analysis suggest that in future studies fast-food restaurants and other out-of-home dining venues should be analyzed separately, assessments based on a single 24-h recall should be avoided, and controls for at-home choices (which were not included in any of the studies reviewed) are necessary to evaluate this association. © 2012 International Life Sciences Institute.

  7. Home Care Services

    Science.gov (United States)

    Home care is care that allows a person with special needs stay in their home. It might be for people who are getting ... are chronically ill, recovering from surgery, or disabled. Home care services include Personal care, such as help ...

  8. 1 March 2012 - British University of Oxford Head of the Mathematical, Physical & Life Sciences Division A. N. Halliday FRS signing the guest book with Director for Research and Scientific Computing S. Bertolucci.

    CERN Multimedia

    Jean-Claude Gadmer

    2012-01-01

    1 March 2012 - British University of Oxford Head of the Mathematical, Physical & Life Sciences Division A. N. Halliday FRS signing the guest book with Director for Research and Scientific Computing S. Bertolucci.

  9. 4 July 2013- European Commission DG CONNECT Director-General R. Madelin, signing the guest book with CERN Director-General R. Heuer and visiting CMS experimental area with Collaboration Deputy Spokesperson J. Varela.

    CERN Multimedia

    Maximilien Brice

    2013-01-01

    4 July 2013- European Commission DG CONNECT Director-General R. Madelin, signing the guest book with CERN Director-General R. Heuer and visiting CMS experimental area with Collaboration Deputy Spokesperson J. Varela.

  10. Attitudes of palliative home care physicians towards palliative sedation at home in Italy.

    Science.gov (United States)

    Mercadante, Sebastiano; Masedu, Francesco; Mercadante, Alessandro; Marinangeli, Franco; Aielli, Federica

    2017-05-01

    Information about the attitudes towards palliative sedation (PS) at home is limited. The aim of this survey was to assess the attitudes of palliative care physicians in Italy regarding PS at home. A questionnaire was submitted to a sample of palliative care physicians, asking information about their activity and attitudes towards PS at home. This is a survey of home care physicians in Italy who were involved in end-of-life care decisions at home. One hundred and fifty participants responded. A large heterogeneity of home care organizations that generate some problems was found. Indications, intention and monitoring of PS seem to be appropriate, although some cultural and logistic conditions were limiting the use of PS. Specialized home care physicians are almost involved to start PS at home. Midazolam was seldom available at home and opioids were more frequently used. These data should prompt health care agencies to make a minimal set of drugs easily available for home care. Further research is necessary to compare attitudes in countries with different sociocultural profiles.

  11. Bringing Your Baby Home

    Science.gov (United States)

    ... for Educators Search English Español Bringing Your Baby Home KidsHealth / For Parents / Bringing Your Baby Home What's ... recall your baby's seemingly endless crying episodes. The Home Front Introducing your baby to others at home ...

  12. 24 CFR 982.610 - Group home: Who may reside in a group home.

    Science.gov (United States)

    2010-04-01

    ... 24 Housing and Urban Development 4 2010-04-01 2010-04-01 false Group home: Who may reside in a group home. 982.610 Section 982.610 Housing and Urban Development Regulations Relating to Housing and... Housing Types Group Home § 982.610 Group home: Who may reside in a group home. (a) An elderly person or a...

  13. Home area networks

    NARCIS (Netherlands)

    Koonen, A.M.J.

    2013-01-01

    This article consists of a collection of slides from the author's conference presentation. Some of the specific areas/topics discussed include: Convergence in home networks, home service scenarios; Home wired network architectures, CapEx and OpEx; Residential Gateway; Optical fiber types;

  14. Facilitating home birth.

    Science.gov (United States)

    Finigan, Valerie; Chadderton, Diane

    2015-06-01

    The birth of a baby is a family experience. However, in the United Kingdom birth often occurs outside the family environment, in hospital. Both home and hospital births have risks and benefits, but research shows that, for most women, it is as safe to give birth at home as it is in hospital. Women report home-birth to be satisfying with lowered risks of intervention and less likelihood of being separated from their family. It is also more cost effective for the National Health Service. Yet, whilst midwives are working hard to promote home birth as an option, it remains controversial. The aim of this paper is to raise awareness of the safety of home birth and the needs of women and midwives when a home birth is chosen. It provides an overview of care required and the role of the midwife in the ensuring care is woman-centred and personalised.

  15. Testosterone and cortisol responses in male soccer players: The effect of home and away venues.

    Science.gov (United States)

    Fothergill, Melissa; Wolfson, Sandy; Neave, Nick

    2017-08-01

    The present studies examined the influence of playing venue on psychobiological responses in male soccer players. Many studies have demonstrated the existence of a home advantage, wherein teams perform better at home than away. A recent focus has attempted to explain this advantage from a psychobiological perspective, with studies showing hormonal differences with regard to venue, game outcome, dominance and perceived stress. Two studies investigated testosterone and cortisol responses in relation to home and away venues. In an initial study of 18 male elite Premier League academy soccer players (age, 17.47, SD, 64), salivary cortisol levels were monitored in two competitive matches, both at home and away. Higher post-game cortisol levels were observed at home (p=0.002), with the team winning all its games. In a second study involving a 12 semi-professional group of players (age, 23.17, SD, 3.8), the same post-game cortisol findings at home were replicated (p=0.001), with this team losing all its games. No effects were observed for testosterone in either study. The results extend earlier research findings on the complex relationship which surrounds the psychobiological impact on the home advantage. The findings suggest that higher levels of stress are experienced by home players in their home matches. Copyright © 2017 Elsevier Inc. All rights reserved.

  16. Terpsichorean Architecture: Guest Editor’s Introduction

    Directory of Open Access Journals (Sweden)

    Tony Mitchell

    2011-09-01

    light to form and how we hear ourselves live in that form.’ This special issue, guest edited by Tony Mitchell, University of Technology Sydney, contains papers that discuss a wide range of different modes and forms of music and music writing in all fields, and in many parts of the world, from a perspective of history, performance, and architecture (including ‘natural’ architectural forms.

  17. Home range and travels

    Science.gov (United States)

    Stickel, L.F.; King, John A.

    1968-01-01

    The concept of home range was expressed by Seton (1909) in the term 'home region,' which Burr (1940, 1943) clarified with a definition of home range and exemplified in a definitive study of Peromyscus in the field. Burt pointed out the ever-changing characteristics of home-range area and the consequent absence of boundaries in the usual sense--a finding verified by investigators thereafter. In the studies summarized in this paper, sizes of home ranges of Peromyscus varied within two magnitudes, approximately from 0.1 acre to ten acres, in 34 studies conducted in a variety of habitats from the seaside dunes of Florida to the Alaskan forests. Variation in sizes of home ranges was correlated with both environmental and physiological factors; with habitat it was conspicuous, both in the same and different regions. Food supply also was related to size of home range, both seasonally and in relation to habitat. Home ranges generally were smallest in winter and largest in spring, at the onset of the breeding season. Activity and size also were affected by changes in weather. Activity was least when temperatures were low and nights were bright. Effects of rainfall were variable. Sizes varied according to sex and age; young mice remained in the parents' range until they approached maturity, when they began to travel more widely. Adult males commonly had larger home ranges than females, although there were a number of exceptions. An inverse relationship between population density and size of home range was shown in several studies and probably is the usual relationship. A basic need for activity and exploration also appeared to influence size of home range. Behavior within the home range was discussed in terms of travel patterns, travels in relation to home sites and refuges, territory, and stability of size of home range. Travels within the home range consisted of repeated use of well-worn trails to sites of food, shelter, and refuge, plus more random exploratory travels

  18. DOE Challenge Home Case Study: e2 Homes – Winter Park, Florida

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2013-01-01

    This Challenge Home case study describes the first certified DOE Challenge Home as constructed by e2 Homes. Completed in May 2012, the “Wilson Residence” in Winter Park, Florida, is a 4,305-ft2 custom home that scores a HERS 57 without solar and a better than zero net-energy HERS -7 with solar.

  19. HOME VISIT QUALITY VARIATIONS IN TWO EARLY HEAD START PROGRAMS IN RELATION TO PARENTING AND CHILD VOCABULARY OUTCOMES.

    Science.gov (United States)

    Roggman, Lori A; Cook, Gina A; Innocenti, Mark S; Jump Norman, Vonda; Boyce, Lisa K; Christiansen, Katie; Peterson, Carla A

    2016-05-01

    Home-visiting programs aiming to improve early child development have demonstrated positive outcomes, but processes within home visits to individual families are rarely documented. We examined family-level variations in the home-visiting process (N = 71) from extant video recordings of home visits in two Early Head Start programs, using an observational measure of research-based quality indicators of home-visiting practices and family engagement, the Home Visit Rating Scales (HOVRS). HOVRS scores, showing good interrater agreement and internal consistency, were significantly associated with parent- and staff-reported positive characteristics of home visiting as well as with parenting and child language outcomes tested at program exit. When home-visiting processes were higher quality during the program, home visit content was more focused on child development, families were more involved in the overall program, and most important, scores on measures of the parenting environment and children's vocabulary were higher at the end of the program. Results showed that home visit quality was indirectly associated with child language outcomes through parenting outcomes. Observation ratings of home visit quality could be useful for guiding program improvement, supporting professional development, and increasing our understanding of the links between home-visiting processes and outcomes. © 2016 Michigan Association for Infant Mental Health.

  20. Guest Editorial

    OpenAIRE

    Antonio Teixeira; Anna Tzanakaki; Davide Careglio; Miroslaw Klinkowski

    2010-01-01

    The evolution of communication networks is driven by a huge increase of end user traffic and bandwidth demands due to the recent massive deployment of broadband access technologies as well as the outburst of new network applications and emerging service oriented applications. The observed trends are accompanied by the advances in optical technologies which have enabled the development of long‐distance and high‐capacity transmission systems. Nowadays the role of optics in communication network...

  1. ConductHome: Gesture Interface Control of Home Automation Boxes

    OpenAIRE

    J. Branstett; V. Gagneux; A. Leleu; B. Levadoux; J. Pascale

    2015-01-01

    This paper presents the interface ConductHome which controls home automation systems with a Leap Motion using "invariant gesture protocols". This interface is meant to simplify the interaction of the user with its environment. A hardware part allows the Leap Motion to be carried around the house. A software part interacts with the home automation box and displays the useful information for the user. An objective of this work is the development of a natural/invariant/simpl...

  2. Planned hospital birth versus planned home birth

    DEFF Research Database (Denmark)

    Olsen, O.; Clausen, J.A.

    2012-01-01

    Observational studies of increasingly better quality and in different settings suggest that planned home birth in many places can be as safe as planned hospital birth and with less intervention and fewer complications. This is an update of a Cochrane review first published in 1998....

  3. Home range, social behavior, and dominance relationships in the African unstriped ground squirrel, Xerus rutilus

    Science.gov (United States)

    O'Shea, Thomas J.

    1976-01-01

    A field study of home range, social behavior, and dominance relationships in the African unstriped ground squirrel, Xerus rutilus, was conducted in semi-arid bushland near Kibwezi, Kenya. Ground squirrels lived alone or in small groups in isolated burrow systems and had broadly overlapping home ranges. They were neither territorial or colonial. Home ranges were estimated by visual observation of marked animals and those of males were considerably larger (mean=7.01 hectares (ha); n=4) than those of females (mean=1.37 ha; n-6). A continuum of agonistic behavior ranging from threat to combat is described, although actual combat was rarely observed. Sexual behavior includes a stereotypical tail display by adult males. Dominance relationships, based on 542 observed encounters between marked individuals, include a consistent male dominance over females and a fairly constant linear hierarchy among all individuals with shared home ranges. Similarities in the behavior of African ground squirrels and tree squirrels (Sciurus) are discussed.

  4. Cost-effectiveness implications based on a comparison of nursing home and home health case mix.

    OpenAIRE

    Kramer, A M; Shaughnessy, P W; Pettigrew, M L

    1985-01-01

    Case-mix differences between 653 home health care patients and 650 nursing home patients, and between 455 Medicare home health patients and 447 Medicare nursing home patients were assessed using random samples selected from 20 home health agencies and 46 nursing homes in 12 states in 1982 and 1983. Home health patients were younger, had shorter lengths of stay, and were less functionally disabled than nursing home patients. Traditional long-term care problems requiring personal care were more...

  5. Solo Living - the meaning of home for persons living alone

    DEFF Research Database (Denmark)

    Christensen, Toke Haunstrup

    observed. Firstly, solo livers emphasize independence from others as important. Several of the informants have had negative experiences with living together with a partner, and they like the feeling of being independent. At the same time, most informants also keep a door open for the possibility of moving...... together with "the right one", which indicates that ambiguity is related to the situation of solo living. Secondly, some of the solo livers spend more time outside home (occupied by leisure activities or together with friends) compared to people living in family households in general, which suggests...... a different balance between time at home and outside home for some solo livers....

  6. Host-Guest Engineering of Layered Double Hydroxides towards Efficient Oxygen Evolution Reaction: Recent Advances and Perspectives

    Directory of Open Access Journals (Sweden)

    Jianming Li

    2018-05-01

    Full Text Available Electrochemical water splitting has great potential in the storage of intermittent energy from the sun, wind, or other renewable sources for sustainable clean energy applications. However, the anodic oxygen evolution reaction (OER usually determines the efficiency of practical water electrolysis due to its sluggish four-electron process. Layered double hydroxides (LDHs have attracted increasing attention as one of the ideal and promising electrocatalysts for water oxidation due to their excellent activity, high stability in basic conditions, as well as their earth-abundant compositions. In this review, we discuss the recent progress on LDH-based OER electrocatalysts in terms of active sites, host-guest engineering, and catalytic performances. Moreover, further developments and challenges in developing promising electrocatalysts based on LDHs are discussed from the viewpoint of molecular design and engineering.

  7. Analysis of a Pediatric Home Mechanical Ventilator Population.

    Science.gov (United States)

    Amirnovin, Rambod; Aghamohammadi, Sara; Riley, Carley; Woo, Marlyn S; Del Castillo, Sylvia

    2018-05-01

    The population of children requiring home mechanical ventilation has evolved over the years and has grown to include a variety of diagnoses and needs that have led to changes in the care of this unique population. The purpose of this study was to provide a descriptive analysis of pediatric patients requiring home mechanical ventilation after hospitalization and how the evolution of this technology has impacted their care. A retrospective, observational, longitudinal analysis of 164 children enrolled in a university-affiliated home mechanical ventilation program over 26 years was performed. Data included each child's primary diagnosis, date of tracheostomy placement, duration of mechanical ventilation during hospitalization that consisted of home mechanical ventilator initiation, total length of pediatric ICU stay, ventilator settings at time of discharge from pediatric ICU, and disposition (home, facility, or died). Univariate, bivariate, and regression analysis was used as appropriate. The most common diagnosis requiring the use of home mechanical ventilation was neuromuscular disease (53%), followed by chronic pulmonary disease (29%). The median length of stay in the pediatric ICU decreased significantly after the implementation of a ventilator ward (70 d [30-142] vs 36 d [18-67], P = .02). The distribution of subjects upon discharge was home (71%), skilled nursing facility (24%), and died (4%), with an increase in the proportion of subjects discharged on PEEP and those going to nursing facilities over time ( P = 0.02). The evolution of home mechanical ventilation has allowed earlier transition out of the pediatric ICU and with increasing disposition to skilled nursing facilities over time. There has also been a change in ventilator management, including increased use of PEEP upon discharge, possibly driven by changes in ventilators and in-patient practice patterns. Copyright © 2018 by Daedalus Enterprises.

  8. The C-terminal peptide of Aquifex aeolicus riboflavin synthase directs encapsulation of native and foreign guests by a cage-forming lumazine synthase.

    Science.gov (United States)

    Azuma, Yusuke; Zschoche, Reinhard; Hilvert, Donald

    2017-06-23

    Encapsulation of specific enzymes in self-assembling protein cages is a hallmark of bacterial compartments that function as counterparts to eukaryotic organelles. The cage-forming enzyme lumazine synthase (LS) from Bacillus subtilis (BsLS), for example, encapsulates riboflavin synthase (BsRS), enabling channeling of lumazine from the site of its generation to the site of its conversion to vitamin B 2 Elucidating the molecular mechanisms underlying the assembly of these supramolecular complexes could help inform new approaches for metabolic engineering, nanotechnology, and drug delivery. To that end, we investigated a thermostable LS from Aquifex aeolicus (AaLS) and found that it also forms cage complexes with the cognate riboflavin synthase (AaRS) when both proteins are co-produced in the cytosol of Escherichia coli A 12-amino acid-long peptide at the C terminus of AaRS serves as a specific localization sequence responsible for targeting the guest to the protein compartment. Sequence comparisons suggested that analogous peptide segments likely direct RS complexation by LS cages in other bacterial species. Covalent fusion of this peptide tag to heterologous guest molecules led to their internalization into AaLS assemblies both in vivo and in vitro , providing a firm foundation for creating tailored biomimetic nanocompartments for medical and biotechnological applications. © 2017 by The American Society for Biochemistry and Molecular Biology, Inc.

  9. TRAVEL AND HOME LEAVE

    CERN Multimedia

    Human Resources Division

    2002-01-01

    Administrative procedures for : Travel to the home station and home leave (hl) Additional travel to the home station (at) Travel to the home station and home leave for family reasons (hlf) As part of the process of simplifying administrative procedures, HR and AS Divisions have devised a new, virtually automatic procedure for payment of travel expenses to the home station. The changes are aimed at rationalising administrative procedures and not at reducing benefits. The conditions of eligibility are unchanged. The new procedure, which will be operational with effect from 1st June 2002, will greatly simplify the administrative processing of claims for travel expenses and the recording of home leaves. Currently, requests for payment are introduced manually into the Advances and Claims system (AVCL) by divisional secretariats. All travel to the home station starting prior to 1st June 2002 will be processed according to the existing system whereas that starting on 1st June and after will be processed accordi...

  10. Dimensions of work-home culture and their relations with the use of work-home arrangements and work-home interaction

    NARCIS (Netherlands)

    Dikkers, J.S.E.; Geurts, S.A.E.; Dulk, L. den; Peper, A.B.; Taris, T.W.; Kompier, M.A.J.

    2007-01-01

    This study examined the associations of work–home culture with (a) demographic and organizational characteristics, (b) the use of work–home arrangements, and (c) negative and positive work–home interaction, among 1,179 employees from one public and two private organizations. Substantial support was

  11. Dimensions of work-home culture and their relations with the use of work-home arrangements and work-home interaction

    NARCIS (Netherlands)

    Dikkers, J.S.E.; Geurts, S.A.E.; den Dulk, L.; Peper, B.; Taris, T.W.; Kompier, M.A.J.

    2007-01-01

    This study examined the associations of work-home culture with (a) demographic and organizational characteristics, (b) the use of work-home arrangements, and (c) negative and positive work-home interaction, among 1,179 employees from one public and two private organizations. Substantial support was

  12. 6. Home deliveries

    African Journals Online (AJOL)

    Sitwala

    determine factors associated with home deliveries. Main outcome ... deliver at home than a health facility compared to those who .... regression analysis, women who had four years of schooling or .... by report bias, the burden of home deliveries is a real challenge .... Journal of Econometrics 1987; 36: 185-204. 14. Michelo ...

  13. Home Energy Saver

    Science.gov (United States)

    release announcing Home Energy Saver and a Q-and-A. The "About" page should tell you everything you need to know about using Home Energy Saver. If you have any questions, please email the project leader, Dr. Evan Mills. News Releases Microsoft Licenses Berkeley Lab's Home Energy Saver Code for Its

  14. DOE Zero Energy Ready Home Case Study: Garbett Homes, Herriman, Utah

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2013-09-01

    As the first net zero-energy production home certified in Utah, this house incorporates two 94% efficient tankless water heaters and two roof-mounted solar panels that preheat the home's water supply. This home won a 2013 Housing Innovation Award in the production builder category.

  15. Work-home interference in relation to work, organizational, and home characteristics

    NARCIS (Netherlands)

    Dikkers, J.S.E.

    2008-01-01

    In this thesis we examine work-home interference in relation to work, organizational, and home characteristics. The study is guided by the following three research questions: i) how are workload and negative WHI temporally related? (research question 1); ii) is work-home culture related to the use

  16. The Incidence and Wage Consequences of Home-Based Work in the United States, 1980-2000

    Science.gov (United States)

    Oettinger, Gerald S.

    2011-01-01

    This study documents the rapid growth in home-based wage and salary employment and the sharp decline in the home-based wage penalty in the United States between 1980 and 2000. These twin patterns, observed for both men and women in most occupation groups, suggest that employer costs of providing home-based work arrangements have decreased.…

  17. A HOME-BASED MASSED PRACTICE SYSTEM FOR PEDIATRIC NEUROREHABILITATION

    Directory of Open Access Journals (Sweden)

    Yi-Ning Wu

    2013-11-01

    Full Text Available The objective of this paper is to introduce a novel low-cost human-computer interface (HCI system for home-based massed practice for children with upper limb impairment due to brain injury. Successful massed practice, a type of neurorehabilitation, may be of value for children with brain injury because it facilitates impaired limb use. Use of automated, home-based systems could provide a practical means for massed practice. However, the optimal strategy to deliver and monitor home-based massed practice is still unclear. We integrated motion sensor, video game, and HCI software technologies to create a useful home-based massed practice at targeted joints. The system records joint angle and number of movements using a low-cost custom hand-held sensor. The sensor acts as an input device to play video games. We demonstrated the system’s functionality and provided preliminary observations on usage by children with brain injury, including joint motion and muscle activation.

  18. Does hospital at home for palliative care facilitate death at home? Randomised controlled trial

    Science.gov (United States)

    Grande, Gunn E; Todd, Chris J; Barclay, Stephen I G; Farquhar, Morag C

    1999-01-01

    Objective To evaluate the impact on place of death of a hospital at home service for palliative care. Design Pragmatic randomised controlled trial. Setting Former Cambridge health district. Participants 229 patients referred to the hospital at home service; 43 randomised to control group (standard care), 186 randomised to hospital at home. Intervention Hospital at home versus standard care. Main outcome measures Place of death. Results Twenty five (58%) control patients died at home compared with 124 (67%) patients allocated to hospital at home. This difference was not significant; intention to treat analysis did not show that hospital at home increased the number of deaths at home. Seventy three patients randomised to hospital at home were not admitted to the service. Patients admitted to hospital at home were significantly more likely to die at home (88/113; 78%) than control patients. It is not possible to determine whether this was due to hospital at home itself or other characteristics of the patients admitted to the service. The study attained less statistical power than initially planned. Conclusion In a locality with good provision of standard community care we could not show that hospital at home allowed more patients to die at home, although neither does the study refute this. Problems relating to recruitment, attrition, and the vulnerability of the patient group make randomised controlled trials in palliative care difficult. While these difficulties have to be recognised they are not insurmountable with the appropriate resourcing and setting. Key messagesTerminally ill patients allocated to hospital at home were no more likely to die at home than patients receiving standard careAlthough the subsample of patients actually admitted to hospital at home did show a significant increase in likelihood of dying at home, whether this was due to the service itself or the characteristics of patients admitted to hospital at home could not be determinedThe need to

  19. 22 February 2011 - German Ambassador to Switzerland A. Berg signing the guest book with CERN Director-General R. Heuer and visiting the LHC superconducting magnet test hall with Technology Department Head F. Bordry.

    CERN Multimedia

    Maximilien Brice

    2011-01-01

    22 February 2011 - German Ambassador to Switzerland A. Berg signing the guest book with CERN Director-General R. Heuer and visiting the LHC superconducting magnet test hall with Technology Department Head F. Bordry.

  20. P. Gluckman Chief Science Advisor to the Prime Minister, New Zealand signing the Guest book with CERN Director-General R. Heuer and Head of International Relations R. Voss. Accompanied by A. Bell throughout.

    CERN Multimedia

    Anna Pantelia

    2013-01-01

    P. Gluckman Chief Science Advisor to the Prime Minister, New Zealand signing the Guest book with CERN Director-General R. Heuer and Head of International Relations R. Voss. Accompanied by A. Bell throughout.

  1. Leaving home in Denmark

    DEFF Research Database (Denmark)

    Nielsen, Rikke Skovgaard

    2015-01-01

    The paper focuses on ethnic differences in the timing and patterns of leaving the parental home. Leaving home is a key transition in the life course of the individual, and extensive research has been conducted on the timing and patterns of leaving it. However, ethnic differences in these patterns...... of leaving home. Results showed that while some differences disappeared when controlling for covariates, others persisted, thus indicating ethnic differences in home-leaving patterns. A strong link between leaving home and marriage was substantiated for Turks, but not for Somalis. The home-leaving patterns...... of Somalis were much more similar to those of Danes. Overall, Turkish descendants were similar to Turkish immigrants but with some differentiation. The analyses identified the existence of ethnic differences in home-leaving patterns but also found evidence of a shift towards less traditional patterns, i...

  2. Model medication management process in Australian nursing homes using business process modeling.

    Science.gov (United States)

    Qian, Siyu; Yu, Ping

    2013-01-01

    One of the reasons for end user avoidance or rejection to use health information systems is poor alignment of the system with healthcare workflow, likely causing by system designers' lack of thorough understanding about healthcare process. Therefore, understanding the healthcare workflow is the essential first step for the design of optimal technologies that will enable care staff to complete the intended tasks faster and better. The often use of multiple or "high risk" medicines by older people in nursing homes has the potential to increase medication error rate. To facilitate the design of information systems with most potential to improve patient safety, this study aims to understand medication management process in nursing homes using business process modeling method. The paper presents study design and preliminary findings from interviewing two registered nurses, who were team leaders in two nursing homes. Although there were subtle differences in medication management between the two homes, major medication management activities were similar. Further field observation will be conducted. Based on the data collected from observations, an as-is process model for medication management will be developed.

  3. Beyond Home Automation: Designing More Effective Smart Home Systems

    OpenAIRE

    Carner, Paolo

    2009-01-01

    This paper outlines a Smart Home Proof-of-Concept system that uses a Bayesian Network to predict the likelihood of a monitored event to occur. Firstly, this paper will provide an introduction to the concept of a smart home system; then it will outline how Artificial Intelligence concepts can be used to make such systems more effective. Finally, it will detail the implementation of a smart home system, which uses an inference engine to determine the likelihood of a fire. The system prototype h...

  4. Smart homes, private homes? An empirical study of technology researchers? perceptions of ethical issues in developing smart-home health technologies

    OpenAIRE

    Birchley, Giles; Huxtable, Richard; Murtagh, Madeleine; ter Meulen, Ruud; Flach, Peter; Gooberman-Hill, Rachael

    2017-01-01

    Background Smart-home technologies, comprising environmental sensors, wearables and video are attracting interest in home healthcare delivery. Development of such technology is usually justified on the basis of the technology?s potential to increase the autonomy of people living with long-term conditions. Studies of the ethics of smart-homes raise concerns about privacy, consent, social isolation and equity of access. Few studies have investigated the ethical perspectives of smart-home engine...

  5. Diagnosis by behavioral observationHome-Videosomnography – A Rigorous Ethnographic Approach to Sleep of Children with Neurodevelopmental Conditions

    Directory of Open Access Journals (Sweden)

    Osman Sevket Ipsiroglu

    2015-03-01

    Full Text Available Introduction Advanced video technology is available for sleep-laboratories. However, low-cost equipment for screening in the home setting has not been identified and tested, nor has a methodology for analysis of video recordings been suggested.MethodsWe investigated different combinations of hardware /software for home-videosomnography (HVS and established a process for qualitative and quantitative analysis of HVS-recordings. A case vignette (HVS analysis for a 5.5-year-old girl with major insomnia and several co-morbidities demonstrates how methodological considerations were addressed and how HVS added value to clinical assessment.ResultsWe suggest an ‘ideal set of hardware/software’ that is reliable, affordable (~$500 and portable (= 2.8kg to conduct non-invasive HVS, which allows time-lapse analyses. The equipment consists of a net-book, a camera with infra-red optics, and a video capture device. (1 We present an HVS-analysis protocol consisting of 3 steps of analysis at varying replay speeds: (a basic overview and classification at 16x normal speed; (b 2nd viewing and detailed descriptions at 4-8x normal speed, and (c viewing, listening, and in-depth descriptions at real-time speed. (2 We also present a custom software program that facilitates video analysis and note-taking (Annotator©, and Optical Flow software that automatically quantifies movement for internal quality control of the HVS-recording.The case vignette demonstrates how the HVS-recordings revealed the dimension of insomnia caused by Restless Legs Syndrome, and illustrated the cascade of symptoms, challenging behaviors and resulting medications.ConclusionThe strategy of using HVS, although requiring validation and reliability testing, opens the floor for a new ‘observational sleep medicine’, which has been useful in describing discomfort-related behavioral movement patterns in patients with communication difficulties presenting with challenging/disruptive sleep

  6. PERAN KELUARGA DAN GURU DALAM MEMBANGUN KARAKTER DAN KONSEP DIRI SISWA BROKEN HOME DI USIA SEKOLAH DASAR

    OpenAIRE

    Desy Irsalina Savitri; I Nyoman Sudana Degeng; Sa’dun Akbar

    2016-01-01

    This study aims to describe in depth observations on the role of the family and teachers in building the character of students broken home at primary school age. This study used a qualitative approach - a case study. Technique data collecting by interview and observation (at school and home visit) in depth. Subjects of the study included two students broken home. This study menunjukkan that parents (mother) and another family (grandparents, aunts, uncles) that play a role in the child's every...

  7. Peran Keluarga dan Guru dalam Membangun Karakter dan Konsep Diri Siswa Broken Home di Usia Sekolah Dasar

    OpenAIRE

    Savitri, Desy Irsalina; Degeng, I Nyoman Sudana; Akbar, Sa’dun

    2016-01-01

    This study aims to describe in depth observations on the role of the family and teachers in building the character of students broken home at primary school age. This study used a qualitative approach - a case study. Technique data collecting by interview and observation (at school and home visit) in depth. Subjects of the study included two students broken home. This study menunjukkan that parents (mother) and another family (grandparents, aunts, uncles) that play a role in the child's every...

  8. Social interactions between people with dementia: pilot evaluation of an observational instrument in a nursing home

    NARCIS (Netherlands)

    Mabire, J.B.; Gay, M.C.; Vrignaud, P.; Garitte, C.; Vernooij-Dassen, M.J.F.J.

    2016-01-01

    BACKGROUND: In dementia, cognitive and psychological disorders might interfere with maintaining social interactions. We have little information about the nature of these interactions of people with dementia in nursing homes. The aim of this study is to investigate social interactions between people

  9. At Home in the Office. A Guide for the Home Worker.

    Science.gov (United States)

    Thomas, Neil; And Others

    This guide provides information to persons interested in establishing a work-at-home program, specifically those in clerical or support staff positions who use modern automated office equipment. The text is divided into two sections. The Home Worker section provides a summary of the At Home in the Office Project, personality characteristics…

  10. Evolution of Home Automation Technology

    OpenAIRE

    Mohd. Rihan; M. Salim Beg

    2009-01-01

    In modern society home and office automation has becomeincreasingly important, providing ways to interconnectvarious home appliances. This interconnection results infaster transfer of information within home/offices leading tobetter home management and improved user experience.Home Automation, in essence, is a technology thatintegrates various electrical systems of a home to provideenhanced comfort and security. Users are grantedconvenient and complete control over all the electrical homeappl...

  11. More Than Four Walls: The Meaning of Home in Home Birth Experiences

    Directory of Open Access Journals (Sweden)

    Emily Burns

    2015-04-01

    Full Text Available The “home versus hospital” as places of birth debate has had a long and at times vicious history. From academic literature to media coverage, the two have often been pitted against each other not only as opposing physical spaces, but also as opposing ideologies of birth. The hospital has been heavily critiqued as a site of childbirth since the 1960s, with particular focus on childbirth and medicalisation. The focus of much of the hospital and home birthing research exists on a continuum of medicalisation, safety, risk, agency, and maternal and neonatal health and wellbeing. While the hospital birthing space has been interrogated, a critique of home birthing space has remained largely absent from the social sciences. The research presented in this article unpacks the complex relationship between home birthing women and the spaces in which they birth. Using qualitative data collected with 59 home birthing women in Australia in 2010, between childbearing and the home should not be considered as merely an alternative to hospital births, but rather as an experience that completely renegotiates the home space. Home, for the participants in this study, is a dynamic, changing, and even spiritual element in the childbirth experience, and not simply the building in which it occurs.

  12. Home Health Agency Performance in the United States: 2011-15.

    Science.gov (United States)

    Wang, Yun; Spatz, Erica S; Tariq, Maliha; Angraal, Suveen; Krumholz, Harlan M

    2017-12-01

    To evaluate home health agency quality performance. Observational study. Home health agencies. All Medicare-certified agencies with at least 6 months of data from 2011 to 2015. Twenty-two quality indicators, five patient survey indicators, and their composite scores. The study included 11,462 Medicare-certified home health agencies that served 92.4% of all ZIP codes nationwide, accounting for 315.2 million people. The mean composite scores were 409.1 ± 22.7 out of 500 with the patient survey indicators and 492.3 ± 21.7 out of 600 without the patient survey indicators. Home health agency performance on 27 quality indicators varied, with the coefficients of dispersion ranging from 4.9 to 62.8. Categorization of agencies into performance quartiles revealed that 3,179 (27.7%) were in the low-performing group (below 25th percentile) at least one time during the period from 2011-12 to 2014-15 and that 493 were in the low-performing group throughout the study period. Geographic variation in agency performance was observed. Agencies with longer Medicare-certified years were more likely to have high-performing scores; agencies providing partial services, with proprietary ownership, and those with long travel distances to reach patients had lower performance. Agencies serving low-income counties and counties with lower proportions of women and senior residences and greater proportions of Hispanic residents were more likely to attain lower performance scores. Home health agency performance on several quality indicators varied, and many agencies were persistently in the lowest quartile of performance. Still, there is a need to improve the quality of care of all agencies. Many parts of the United States, particularly lower-income areas and areas with more Hispanic residents, are more likely to receive lower quality home health care. © 2017, Copyright the Authors Journal compilation © 2017, The American Geriatrics Society.

  13. Improving quality and safety in nursing homes and home care: the study protocol of a mixed-methods research design to implement a leadership intervention

    Science.gov (United States)

    Wiig, Siri; Ree, Eline; Johannessen, Terese; Strømme, Torunn; Storm, Marianne; Aase, Ingunn; Ullebust, Berit; Holen-Rabbersvik, Elisabeth; Hurup Thomsen, Line; Sandvik Pedersen, Anne Torhild; van de Bovenkamp, Hester; Bal, Roland; Aase, Karina

    2018-01-01

    Introduction Nursing homes and home care face challenges across different countries as people are living longer, often with chronic conditions. There is a lack of knowledge regarding implementation and impact of quality and safety interventions as most research evidence so far is generated in hospitals. Additionally, there is a lack of effective leadership tools for quality and safety improvement work in this context. Methods and analysis The aim of the ‘Improving Quality and Safety in Primary Care—Implementing a Leadership Intervention in Nursing Homes and Homecare’ (SAFE-LEAD) study is to develop and evaluate a research-based leadership guide for managers to increase quality and safety competence. The project applies a mixed-methods design and explores the implications of the leadership guide on managers’ and staffs’ knowledge, attitudes and practices. Four nursing homes and four home care services from different Norwegian municipalities will participate in the intervention. Surveys, process evaluation (interviews, observations) and document analyses will be conducted to evaluate the implementation and impact of the leadership intervention. A comparative study of Norway and the Netherlands will establish knowledge of the context dependency of the intervention. Ethics and dissemination The study is approved by the Norwegian Centre for Research Data (2017/52324 and 54855). The results will be disseminated through scientific articles, two PhD dissertations, an anthology, presentations at national and international conferences, and in social media, newsletters and in the press. The results will generate knowledge to inform leadership practices in nursing homes and home care. Moreover, the study will build new theory on leadership interventions and the role of contextual factors in nursing homes and home care. PMID:29599394

  14. Remember when mom wanted you home for dinner?

    Science.gov (United States)

    Stockmyer, C

    2001-02-01

    Limited information exists about the relationship between family dinner and the quality of children's diets. However, several studies suggest that foods obtained at home have more fiber, calcium, and iron, and less total fat, saturated fat, cholesterol, and sodium than foods obtained away from home. The results of a recent study confirm and extend these observations by showing beneficial effects of family dinner on the diet quality of children ages 9 to 14. Nutritionists and health educators should look for ways to encourage families to increase the number of meals eaten together to improve the eating patterns of children.

  15. Effect of barium doping on the physical properties of zinc oxide ...

    Indian Academy of Sciences (India)

    2015-11-27

    Home; Journals; Pramana – Journal of Physics; Volume 87; Issue 1. Effect of barium doping on the physical properties of zinc oxide ... Proceedings of the International Workshop/Conference on Computational Condensed Matter Physics and Materials Science (IWCCMP-2015). Posted on November 27, 2015. Guest Editors: ...

  16. Ionization of Rydberg atoms by the kicks of half-cycle pulses

    Indian Academy of Sciences (India)

    2015-11-27

    Home; Journals; Pramana – Journal of Physics; Volume 86; Issue 4. Ionization of Rydberg atoms by the kicks of half-cycle pulses ... Proceedings of the International Workshop/Conference on Computational Condensed Matter Physics and Materials Science (IWCCMP-2015). Posted on November 27, 2015. Guest Editors: ...

  17. Pramana – Journal of Physics | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Pramana – Journal of Physics; Volume 84; Issue 6. Issue front cover thumbnail. Volume 84, Issue 6. June 2015, pages 945-1128. Theme Issue on Electronic Structure of Nanostructures and Correlated Nanomaterials: Theory and Experiment. pp 945-946. Guest Editorial · Ranjani Viswanatha Umesh V ...

  18. DOE Zero Energy Ready Home Case Study: Amaris Homes, Afton Model

    Energy Technology Data Exchange (ETDEWEB)

    Pacific Northwest National Laboratory

    2017-09-01

    Amaris Homes built this 3,734-ft2 home in Afton, Minnesota, to the performance criteria of the DOE Zero Energy Ready Home (ZERH) program. A high-efficiency gas boiler provides hot water for the zoned radiant floor system as well as for faucets and showers. A high-efficiency heat pump provides zoned cooling.

  19. Strategy Guideline: Demonstration Home

    Energy Technology Data Exchange (ETDEWEB)

    Savage, C.; Hunt, A.

    2012-12-01

    This guideline will provide a general overview of the different kinds of demonstration home projects, a basic understanding of the different roles and responsibilities involved in the successful completion of a demonstration home, and an introduction into some of the lessons learned from actual demonstration home projects. Also, this guideline will specifically look at the communication methods employed during demonstration home projects. And lastly, we will focus on how to best create a communication plan for including an energy efficient message in a demonstration home project and carry that message to successful completion.

  20. Strategy Guideline. Demonstration Home

    Energy Technology Data Exchange (ETDEWEB)

    Hunt, A.; Savage, C.

    2012-12-01

    This guideline will provide a general overview of the different kinds of demonstration home projects, a basic understanding of the different roles and responsibilities involved in the successful completion of a demonstration home, and an introduction into some of the lessons learned from actual demonstration home projects. Also, this guideline will specifically look at the communication methods employed during demonstration home projects. And lastly, we will focus on how to best create a communication plan for including an energy efficient message in a demonstration home project and carry that message to successful completion.