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Sample records for vol iii pp

  1. Ressenya a Àlex Broch (coord.) Història de la literatura catalana: Vol. I. Dels orígens al segle XIV; Vol. II. Segles XIV-XV; Vol. III. Segle XV, dirigit per Lola Badia, Barcelona, Enciclopèdia Catalana, Ed. Barcino iAjuntament de Barcelona, 2013-2014-2015, 543, 487, 494 pp. ISBN: 978-84-412-2253-3

    OpenAIRE

    Joan V. Fuertes Zapata

    2015-01-01

    Review to Àlex Broch (coord.) Història de la literatura catalana: Vol. I. Dels orígens al segle XIV; Vol. II. Segles XIV-XV; Vol. III. Segle XV, dirigitperLola Badia, Barcelona, EnciclopèdiaCatalana, Ed. Barcino iAjuntament de Barcelona, 2013-2014-2015, 543, 487, 494 pp. ISBN: 978-84-412-2253-3

  2. Correction: Cocaine cardiomyopathy: A case report (2014, vol. 9, no. 3, pp. 233-237)

    OpenAIRE

    Georgijev Antonio; Zhivadinovic Julija

    2016-01-01

    In Sanamed Medical Journal, vol. 9, issue 3, in the text titled 'COCAINE CARDIOMYOPATHY-A CASE REPORT' authors made a mistake by inadequately citing parts of scientific paper, in sections Introduction and Discussion. The mistake was discovered by Center for Evaluation in Education and Science (CEON). Authors were informed from the Editorial Board of Medical Journal 'Sanamed' and the stated parts of paper were timely corrected.

  3. Direct and Indirect Targeting of PP2A by Conserved Bacterial Type-III Effector Proteins.

    Directory of Open Access Journals (Sweden)

    Lin Jin

    2016-05-01

    Full Text Available Bacterial AvrE-family Type-III effector proteins (T3Es contribute significantly to the virulence of plant-pathogenic species of Pseudomonas, Pantoea, Ralstonia, Erwinia, Dickeya and Pectobacterium, with hosts ranging from monocots to dicots. However, the mode of action of AvrE-family T3Es remains enigmatic, due in large part to their toxicity when expressed in plant or yeast cells. To search for targets of WtsE, an AvrE-family T3E from the maize pathogen Pantoea stewartii subsp. stewartii, we employed a yeast-two-hybrid screen with non-lethal fragments of WtsE and a synthetic genetic array with full-length WtsE. Together these screens indicate that WtsE targets maize protein phosphatase 2A (PP2A heterotrimeric enzyme complexes via direct interaction with B' regulatory subunits. AvrE1, another AvrE-family T3E from Pseudomonas syringae pv. tomato strain DC3000 (Pto DC3000, associates with specific PP2A B' subunit proteins from its susceptible host Arabidopsis that are homologous to the maize B' subunits shown to interact with WtsE. Additionally, AvrE1 was observed to associate with the WtsE-interacting maize proteins, indicating that PP2A B' subunits are likely conserved targets of AvrE-family T3Es. Notably, the ability of AvrE1 to promote bacterial growth and/or suppress callose deposition was compromised in Arabidopsis plants with mutations of PP2A genes. Also, chemical inhibition of PP2A activity blocked the virulence activity of both WtsE and AvrE1 in planta. The function of HopM1, a Pto DC3000 T3E that is functionally redundant to AvrE1, was also impaired in specific PP2A mutant lines, although no direct interaction with B' subunits was observed. These results indicate that sub-component specific PP2A complexes are targeted by bacterial T3Es, including direct targeting by members of the widely conserved AvrE-family.

  4. Reply to `Extended Rejoinder to "Extended Comment on "One-Range Addition Theorems for Coulomb Interaction Potential and Its Derivatives" by I. I. Guseinov (Chem. Phys. Vol. 309 (2005), pp. 209 - 211)", arXiv:0706.0975v2"

    CERN Document Server

    Weniger, Ernst Joachim

    2007-01-01

    In the years from 2001 to 2006, Guseinov and his coworkers published 40 articles on the derivation and application of one-range addition theorems. In E. J. Weniger, Extended Comment on ``One-Range Addition Theorems for Coulomb Interaction Potential and Its Derivatives'' by I. I. Guseinov (Chem. Phys. Vol. 309 (2005), pp. 209 - 213), arXiv:0704.1088v2 [math-ph], it was argued that Guseinov's treatment of one-range addition theorems is at best questionable and in some cases fundamentally flawed. In I. I. Guseinov, Extended Rejoinder to "Extended Comment on "One-Range Addition Theorems for Coulomb Interaction Potential and Its Derivatives'' by I. I. Guseinov (Chem. Phys. and Vol. 309 (2005)'', pp. 209-213), arXiv:0706.0975v2 [physics.chem-ph], these claims were disputed. To clarify the situation, the most serious mathematical flaws in Guseinov's treatment of one-range addition theorems are discussed in more depth.

  5. Anne Bysted, Carsten Selch Jensen, Kurt Villads Jensen, John H. Lind, Jerusalem in the North: Denmark and the Baltic Crusades, 1100–1522 (Outremer: Studies in the Crusades and the Latin East, vol. 1), Brepols, Turnhout 2012, 393 pp.+ 57 figures and 5 maps

    OpenAIRE

    Czaja, Roman

    2016-01-01

    Anne Bysted, Carsten Selch Jensen, Kurt Villads Jensen, John H. Lind, Jerusalem in the North: Denmark and the Baltic Crusades, 1100–1522 (Outremer: Studies in the Crusades and the Latin East, vol. 1), Brepols, Turnhout 2012, 393 pp. + 57 figures and 5 maps, ISBN: 978-2-503-52325-5.

  6. Authors' reply to Discussion by E. Siebrits and S. L. Crouch regarding the paper "A two-dimensional linear variation displacement discontinuity method for three-layered elastic media", International Journal of Rock Mechanics and Mining Sciences, Vol. 36, No. 6, pp. 719-729, 1999

    CSIR Research Space (South Africa)

    Shou, KJ

    2000-07-01

    Full Text Available to Discussion by E. Siebrits and S. L. Crouch regarding the paper ``A two-dimensional linear variation displacement discontinuity method for three-layered elastic media'', International Journal of Rock Mechanics and Mining Sciences, Vol. 36, No. 6, pp. 719... of judging the accuracy of their ``highly accurate semi-analytic simulator'' which is International Journal of Rock Mechanics and Mining Sciences 37 (2000) 877±878 1365-1609/00/$ - see front matter 7 2000 Elsevier Science Ltd. All rights reserved. PII: S...

  7. Discussion on the paper entitled "Indian Contribution in the Field of Palaeo-oceanography (2006-2012)" by A K Gupta et al., 2012. Proc Indian Nat Sci Acad Vol. 78, No. 3 (IUGS Special Issue) pp. 313-319: Serious flaws in the status report on Indian palaeoceanography

    Digital Repository Service at National Institute of Oceanography (India)

    Banakar, V.K.

    published papers, which are based on sediment cores collected by several Indian researchers on-board the Indian research vessels”. The third paragraph of Banakar’s comments again raises the question of not incorporating some references. Also he has mentioned... Discussion Discussion on the paper entitled “Indian Contribution in the Field of Palaeo-oceanography (2006-2012)” by A K Gupta et al., 2012. Proc Indian Nat Sci Acad Vol. 78, No. 3 (IUGS Special Issue) pp. 313-319 Discussion: Serious Flaws in the Status...

  8. Search for evidence of Type-III seesaw mechanism in multilepton final states in pp collisions at $\\sqrt{s} = 13~\\mathrm{TeV}$

    CERN Document Server

    CMS Collaboration

    2017-01-01

    A search for a type-III seesaw signal in events with three or more electrons or muons is presented. The data sample corresponds to $35.9~\\mathrm{fb}^{-1}$ of integrated luminosity in pp collisions at $\\sqrt{s} = 13~\\mathrm{TeV}$ collected by the CMS experiment at the LHC in 2016. The signal is sought after in final states with at least three leptons, and has diverse kinematic properties. The primary selection is based on the number of leptons and the invariant mass of opposite-sign lepton pairs, and helps discriminate the signal against the standard model background. The final optimization for the type-III seesaw signal is based on the sum of leptonic transverse momenta and missing transverse energy, as well as the transverse mass. The observations are consistent with expectations from standard model processes. The results are used to exclude heavy fermions of the type-III seesaw model with masses below $850~\\mathrm{GeV}$ for the lepton-flavor democratic scenario.

  9. Enregistreur de vol

    OpenAIRE

    Osen, Alexander; Bianchi, Christophe

    2012-01-01

    Ce travail consiste à développer un prototype d'enregistreur de vol spécifique au moto-planeur électrique, il doit donc pouvoir enregistrer la position du planeur et détecter si le système de propulsion est en marche

  10. Search for type-III Seesaw heavy leptons in $pp$ collisions at $\\sqrt{s}= 8$ TeV with the ATLAS Detector

    CERN Document Server

    Aad, Georges; Abdallah, Jalal; Abdinov, Ovsat; Aben, Rosemarie; Abolins, Maris; AbouZeid, Ossama; Abramowicz, Halina; Abreu, Henso; Abreu, Ricardo; Abulaiti, Yiming; Acharya, Bobby Samir; Adamczyk, Leszek; Adams, David; Adelman, Jahred; Adomeit, Stefanie; Adye, Tim; Affolder, Tony; Agatonovic-Jovin, Tatjana; Aguilar-Saavedra, Juan Antonio; Ahlen, Steven; Ahmadov, Faig; Aielli, Giulio; Akerstedt, Henrik; Åkesson, Torsten Paul Ake; Akimoto, Ginga; Akimov, Andrei; Alberghi, Gian Luigi; Albert, Justin; Albrand, Solveig; Alconada Verzini, Maria Josefina; Aleksa, Martin; Aleksandrov, Igor; Alexa, Calin; Alexander, Gideon; Alexopoulos, Theodoros; Alhroob, Muhammad; Alimonti, Gianluca; Alio, Lion; Alison, John; Alkire, Steven Patrick; Allbrooke, Benedict; Allport, Phillip; Aloisio, Alberto; Alonso, Alejandro; Alonso, Francisco; Alpigiani, Cristiano; Altheimer, Andrew David; Alvarez Gonzalez, Barbara; Άlvarez Piqueras, Damián; Alviggi, Mariagrazia; Amadio, Brian Thomas; Amako, Katsuya; Amaral Coutinho, Yara; Amelung, Christoph; Amidei, Dante; Amor Dos Santos, Susana Patricia; Amorim, Antonio; Amoroso, Simone; Amram, Nir; Amundsen, Glenn; Anastopoulos, Christos; Ancu, Lucian Stefan; Andari, Nansi; Andeen, Timothy; Anders, Christoph Falk; Anders, Gabriel; Anders, John Kenneth; Anderson, Kelby; Andreazza, Attilio; Andrei, George Victor; Angelidakis, Stylianos; Angelozzi, Ivan; Anger, Philipp; Angerami, Aaron; Anghinolfi, Francis; Anisenkov, Alexey; Anjos, Nuno; Annovi, Alberto; Antonelli, Mario; Antonov, Alexey; Antos, Jaroslav; Anulli, Fabio; Aoki, Masato; Aperio Bella, Ludovica; Arabidze, Giorgi; Arai, Yasuo; Araque, Juan Pedro; Arce, Ayana; Arduh, Francisco Anuar; Arguin, Jean-Francois; Argyropoulos, Spyridon; Arik, Metin; Armbruster, Aaron James; Arnaez, Olivier; Arnal, Vanessa; Arnold, Hannah; Arratia, Miguel; Arslan, Ozan; Artamonov, Andrei; Artoni, Giacomo; Asai, Shoji; Asbah, Nedaa; Ashkenazi, Adi; Åsman, Barbro; Asquith, Lily; Assamagan, Ketevi; Astalos, Robert; Atkinson, Markus; Atlay, Naim Bora; Auerbach, Benjamin; Augsten, Kamil; Aurousseau, Mathieu; Avolio, Giuseppe; Axen, Bradley; Ayoub, Mohamad Kassem; Azuelos, Georges; Baak, Max; Baas, Alessandra; Bacci, Cesare; Bachacou, Henri; Bachas, Konstantinos; Backes, Moritz; Backhaus, Malte; Bagiacchi, Paolo; Bagnaia, Paolo; Bai, Yu; Bain, Travis; Baines, John; Baker, Oliver Keith; Balek, Petr; Balestri, Thomas; Balli, Fabrice; Banas, Elzbieta; Banerjee, Swagato; Bannoura, Arwa A E; Bansil, Hardeep Singh; Barak, Liron; Barberio, Elisabetta Luigia; Barberis, Dario; Barbero, Marlon; Barillari, Teresa; Barisonzi, Marcello; Barklow, Timothy; Barlow, Nick; Barnes, Sarah Louise; Barnett, Bruce; Barnett, Michael; Barnovska, Zuzana; Baroncelli, Antonio; Barone, Gaetano; Barr, Alan; Barreiro, Fernando; Barreiro Guimarães da Costa, João; Bartoldus, Rainer; Barton, Adam Edward; Bartos, Pavol; Basalaev, Artem; Bassalat, Ahmed; Basye, Austin; Bates, Richard; Batista, Santiago Juan; Batley, Richard; Battaglia, Marco; Bauce, Matteo; Bauer, Florian; Bawa, Harinder Singh; Beacham, James Baker; Beattie, Michael David; Beau, Tristan; Beauchemin, Pierre-Hugues; Beccherle, Roberto; Bechtle, Philip; Beck, Hans Peter; Becker, Anne Kathrin; Becker, Maurice; Becker, Sebastian; Beckingham, Matthew; Becot, Cyril; Beddall, Andrew; Beddall, Ayda; Bednyakov, Vadim; Bee, Christopher; Beemster, Lars; Beermann, Thomas; Begel, Michael; Behr, Janna Katharina; Belanger-Champagne, Camille; Bell, William; Bella, Gideon; Bellagamba, Lorenzo; Bellerive, Alain; Bellomo, Massimiliano; Belotskiy, Konstantin; Beltramello, Olga; Benary, Odette; Benchekroun, Driss; Bender, Michael; Bendtz, Katarina; Benekos, Nektarios; Benhammou, Yan; Benhar Noccioli, Eleonora; Benitez Garcia, Jorge-Armando; Benjamin, Douglas; Bensinger, James; Bentvelsen, Stan; Beresford, Lydia; Beretta, Matteo; Berge, David; Bergeaas Kuutmann, Elin; Berger, Nicolas; Berghaus, Frank; Beringer, Jürg; Bernard, Clare; Bernard, Nathan Rogers; Bernius, Catrin; Bernlochner, Florian Urs; Berry, Tracey; Berta, Peter; Bertella, Claudia; Bertoli, Gabriele; Bertolucci, Federico; Bertsche, Carolyn; Bertsche, David; Besana, Maria Ilaria; Besjes, Geert-Jan; Bessidskaia Bylund, Olga; Bessner, Martin Florian; Besson, Nathalie; Betancourt, Christopher; Bethke, Siegfried; Bevan, Adrian John; Bhimji, Wahid; Bianchi, Riccardo-Maria; Bianchini, Louis; Bianco, Michele; Biebel, Otmar; Bieniek, Stephen Paul; Biglietti, Michela; Bilbao De Mendizabal, Javier; Bilokon, Halina; Bindi, Marcello; Binet, Sebastien; Bingul, Ahmet; Bini, Cesare

    2015-01-01

    A search for the pair-production of heavy leptons ($N^0,L^{\\pm}$) predicted by the type-III seesaw theory formulated to explain the origin of small neutrino masses is presented. The decay channels $N^0\\rightarrow W^{\\pm}l^{\\mp}$ ($\\ell = e, \\mu, \\tau$) and $L^{\\pm}\\rightarrow W^\\pm \

  11. Vibration Theory, Vol. 1B

    DEFF Research Database (Denmark)

    Asmussen, J. C.; Nielsen, Søren R. K.

    The present collection of MATLAB exercises has been published as a supplement to the textbook, Svingningsteori, Bind 1 and the collection of exercises in Vibration theory, Vol. 1A, Solved Problems. Throughout the exercise references are made to these books. The purpose of the MATLAB exercises is ...... is to give a better understanding of the physical problems in linear vibration theory and to surpress the mathematical analysis used to solve the problems. For this purpose the MATLAB environment is excellent....

  12. Extraction and separation of Nd(III), Sm(III), Dy(III), Fe(III), Ni(II), and Cs(I) from concentrated chloride solutions with N,N,N',N'-tetra(2-ethylhexyl) diglycolamide as new extractant

    Institute of Scientific and Technical Information of China (English)

    E.A. Mowafy; D. Mohamed

    2015-01-01

    The feasibility of using N,N,N',N'-tetra(2-ethylhexyl)diglycolamide (TEHDGA) in 75 vol.% n-dodecane-25 vol.% n-octanol as agents for the extraction and separation of Nd(III), Sm(III), Dy(III), Fe(III), Ni(II), and Cs(I) from concentrated chlo-ride solution was investigated. Different extraction behaviors were obtained towards rare earth elements (REE) studied and Fe(III), Ni(II) and Cs(I). Efficient separation of Nd(III), Sm(III) and Dy(III) from Fe(III), Ni(II), and Cs(I) was achieved by TEHDGA, depending on the HCl, HNO3 or H2SO4 concentration. A systematic investigation was carried out on the detailed extraction prop-erties of Nd(III), Sm(III), and Dy(III) with TEHDGA from chloride media. The IR spectra of the extracted species were investi-gated.

  13. Acquisition Review Quarterly. Vol. 2, No. 1, Winter 1995

    Science.gov (United States)

    1995-01-01

    then different strategies and tactics may be deemed necessary for each segment that is targeted ( Kotler , 1988). There are a number of plausible...and Co. Kotler , P. (1988). Marketing Management: Analysis and Planning (6th ed.), (pp. 280-284). Englewood Cliffs, NJ: Prentice-Hall, Inc. 40- Winter...James R. Penick, USA F; CAPT John H. Priesel, USN; Joseph M. Rivamonte; William E. Roberson, Jr.; CAPT Dennis L. Ryan, III, USN; Philip H. Spector

  14. III-Nitride Based Optoelectronics

    Science.gov (United States)

    2010-01-01

    c • N =5x1011 cm𔃼 LU -, FT ac v A A A - -3.5 \\/\\/\\ : VB -4.0 V \\ N- N N • - I 1 • Length (nm) 50...GaAs/AlGaAs based npn structures," Appl. Phys. Lett., vol. 70, pp. 2876- 2878, May 1997. 102. J. M. Shah , Y.-L. Li, Th. Gessmann, and E. F. Schubert...Ning, Phys. Rev. B 74, 155308 (2006). 105. Z.-M. Liao, K.-J. Liu, J.-M. Zhang, J. Xu, and D.-P. Yu, Phys. Lett. A 367, 207 (2007). 106. J. M. Shah , Y

  15. Rotary-Balance Testing for Aircraft Dynamics (Les Essais sur Balance Rotative pour l’Etude de la Dynamique du Vol de l’Avion)

    Science.gov (United States)

    1990-01-01

    Applied Yawing Moments by Use of Rotary Balance Data. NACA TN 3321, 1954. 16. Bazzocchi, B.: Un Metodo per la Deterininazione alla Galleria del Vento...and’Barnhart, B. Spin Prediction Techniques. J. of Aircraft, Vol. 20, No. 2, Feb. 1983, pp. 97-101. 2. Valtorta, E.: Analisi delle prove in galleria con

  16. Wilfried Kürschner (Hg., Linguisten-Handbuch: Biographische und bibliographische Daten deutschsprachiger Sprachwissenschaftlerinnen und Sprachwissenschaftler der Gegenwart, I-II, Tübingen, Gunter Narr Verlag, 1994, XXX-1191 pp.

    Directory of Open Access Journals (Sweden)

    Žarko Muljačić

    1994-12-01

    Full Text Available Sebbene questo manuale fosse ideato nell'ormai lontano 1988 esso vede luce, a cura di W. Kurschner (1945-, professore di linguistica generale e germanica all'Universita di Osnabriick (sede di Vechta, appena ora. Una delle ragioni che hanno differito la sua pubblicazione è il fatto che fino al 1990 non esisteva un indirizzario dei linguisti attivi nella ex RDT. Le poche persone che già nel 1989 risposero all'appello dalla Germania Orientale appartenevano quasi esclusivamente all'Istituto Centrale di Linguistica dell'Accademia delle Scienze (ZISW di Berlino (Est e neanche essi erano liberi di rispondere all'intero Questionario (in base a ordini ricevuti hanno dovuto "saltare" ogni risposta alle domande Nr. 5, 6, 16, 18 e 31 (cf. W. Kurschner, "Notizen zur Entstehung des Linguisten-Handbuchs", vol. I, XII-XIV e il divertente e che queste domande si riferivano a cose del tutto "normali" (per es. ai numeri dei telefoni privato e d'ufficio e alle attività svolte fra la fine degli studi e l'ultimo incarico di lavoro.

  17. Vol 38 2010 Art 6.pub

    African Journals Online (AJOL)

    p2613611

    ISSN 0378-5254 Journal of Family Ecology and Consumer Sciences, Vol 38, 2010 .... m only —foods which prom ote health beyond providing .... health conscious individuals may be motivated to process ...... Food industry forecast: Consumer.

  18. Vol 37 2009 Art 3.pub

    African Journals Online (AJOL)

    user

    ISSN 0378-5254 Journal of Family Ecology and Consumer Sciences, Vol 37, 2009. Young adult ..... decision making on products (Alch, 2005; Anderson et al, 2007; Berndt, .... gies during the shopping process (Y Monsuwe´ et al,. 2004).

  19. PP-HBP改性PP/PVC的流变行为%Study on Rheologic Behavior of PP Grafted with Hyperbranched Poly (amide-ester)/PP/PVC Blends

    Institute of Scientific and Technical Information of China (English)

    刁建志; 宋晓红; 张建民; 彭政

    2006-01-01

    研究了聚丙烯接枝超支化聚(酰胺-酯)(PP-HBP)/PP/聚氯乙烯(PVC)共混体系的流变行为.讨论了PP-HBP用量对PP/PVC共混体系流变行为的影响.结果表明,当PP/PVC共混体系中加入PP-HBP不大于5份时,PP/PVC/PP-HBP共混体系的表观粘度大于PP/PVC共混体系的;当加入PP-HBP大于5份时,PP/PVC/PP-HBP共混体系的表观粘度小于PP/PVC共混体系的;随着温度升高,PP/PVC和PP/PVC/PP-HBP共混体系表观粘度减小.

  20. Facile Method to Fabricate Highly Thermally Conductive Graphite/PP Composite with Network Structures.

    Science.gov (United States)

    Feng, Changping; Ni, Haiying; Chen, Jun; Yang, Wei

    2016-08-03

    Thermally conductive polymer composites have aroused significant academic and industrial interest for several decades. Herein, we report a novel fabrication method of graphite/polypropylene (PP) composites with high thermal conductivity in which graphite flakes construct a continuous thermally conductive network. The thermal conductivity coefficient of the graphite/PP composites is markedly improved to be 5.4 W/mK at a graphite loading of 21.2 vol %. Such a great improvement of the thermal conductivity is ascribed to the occurrence of orientations of crystalline graphite flakes with large particles around PP resin particles and the formation of a perfect thermally conductive network. The model of Hashin-Shtrikman (HS) is adopted to interpret the outstanding thermally conductive property of the graphite/PP composites. This work provides a guideline for the easy fabrication of thermally conductive composites with network structures.

  1. Index to the Journal of American Indian Education, Vol. 1, No. 1 - Vol. 8, No. 1.

    Science.gov (United States)

    Loomis, Charlotte Ann

    All articles (112) that appeared in the "Journal of American Indian Education" (JAIE), Vol. 1., No. 1 (June 1961) through Vol. 8, No 1 (October 1968) are indexed and annotated. The publication is divided into 3 parts: (1) annotations listed in order of appearance in JAIE by volume, number, and page; (2) author index; and (3) subject index. Later…

  2. Journal of Agricultural Extension Vol. 17 (1) June, 2013 ISSN 1119 ...

    African Journals Online (AJOL)

    Onyii Ogbonna

    iii. examine the fishers' practice of and attitude towards fishing regulations in the study area. ... (LGAs). Niger state has 3 LGAs (Borgu, Magama and Mokwa) and Kwara state has ..... Bene C and Heck S (2005). Fish and ... FID/CP/NIF, 24pp.

  3. AFRREV IJAH, Vol.2 (4) September, 2013

    African Journals Online (AJOL)

    First Lady

    2013-09-08

    Sep 8, 2013 ... memorandum at the Stanford Research Institute. It defined .... responsibility, the Green Paper of the European Commission (July. 2001) defines it as a concept ..... Is more fit better? Journal of Retailing, 83(4), Pp. 437‐445.

  4. STUDY ON PP/PVC/PP-HBP BLENDS%PP/PVC/PP-HBP共混体系研究

    Institute of Scientific and Technical Information of China (English)

    刁建志; 巴信武; 丁海涛; 李春子

    2005-01-01

    研究了聚丙烯接枝超支化聚(酰胺-酯)(PP-HBP)对聚丙烯/聚氯乙烯(PP/PVC)共混体系力学性能的影响.结果表明,在PP/PVC(质量比为70/30)共混体系中加入5份PP-HBP时,共混物拉伸强度和冲击强度均出现最大值.扫描电子显微镜(SEM)研究结果证明,PP-HBP增强了PP/PVC的界面粘结作用,减小了共混体系的相分离程度.

  5. Highlights of Astronomy, Vol. 16

    Science.gov (United States)

    Montmerle, Thierry

    2015-04-01

    Part I. Invited Discourses: 1. The Herschel view of star formation; 2. Past, present and future of Chinese astronomy; 3. The zoo of galaxies; 4. Supernovae, the accelerating cosmos, and dark energy; Part II. Joint Discussion: 5. Very massive stars in the local universe; 6. 3-D views of the cycling Sun in stellar context; 7. Ultraviolet emission in early-type galaxies; 8. From meteors and meteorites to their parent bodies: current status and future developments; 9. The connection between radio properties and high-energy emission in AGNs; 10. Space-time reference systems for future research; Part III. Special Sessions: 11. Origin and complexity of massive star clusters; 12. Cosmic evolution of groups and clusters of galaxies; 13. Galaxy evolution through secular processes; 14. New era for studying interstellar and intergalactic magnetic fields; 15. The IR view of massive stars: the main sequence and beyond; 16. Science with large solar telescopes; 17. The impact hazard: current activities and future plans; 18. Calibration of star-formation rate measurements across the electromagnetic spectrum; 19. Future large scale facilities; 20. Dynamics of the star-planet relations strategic plan and the Global Office of Astronomy for Development; 21. Strategic plan and the Global Office of Astronomy for Development; 22. Modern views of the interstellar medium; 23. High-precision tests of stellar physics from high-precision photometry; 24. Communicating astronomy with the public for scientists; 25. Data intensive astronomy; 26. Unexplained spectral phenomena in the interstellar medium; 27. Light pollution: protecting astronomical sites and increasing global awareness through education.

  6. Africa Insight - Vol 38, No 3 (2008)

    African Journals Online (AJOL)

    Journal Home > Archives > Vol 38, No 3 (2008) ... The impact of sport on nation building: A Critical Analysis of South Africa and the 2010 FIFA World ... Sport tourism: comparing participant profiles and impact of three one-day events in South ...

  7. Vol 38 2010 Art 1.pub

    African Journals Online (AJOL)

    user

    ISSN 0378-5254 Journal of Family Ecology and Consumer Sciences, Vol 38, 2010. Soft drink ... area, City of Cape Town,. South Africa and the factors influencing the consumption. 1 ... gaskoeldrank deur die ouers self, die beskikbaarheid daarvan in die ...... drinks were the favourite beverage to buy at the tuck shop. In both ...

  8. Crisis Communication (Handbooks of Communication Science Vol. 23)

    DEFF Research Database (Denmark)

    Vol. 23 - The Handbook of Communication Science General editors: Peter J. Schultz and Paul Cobley......Vol. 23 - The Handbook of Communication Science General editors: Peter J. Schultz and Paul Cobley...

  9. Sierra Leone Journal of Biomedical Research Vol. 2 (2) pp. 103-114 ...

    African Journals Online (AJOL)

    Owner

    down-regulated (Inal et al., 1999; Mimc-Oka et al.,. 1999; Sindhu et al., ... containing 4.9g/L glucose and 0.584 g L-glutamine, .... particularly lipid peroxidation, DNA and protein synthesis ..... pathway. The major pathways for metabolism are .... Redox Signal. .... Effect of. Insulin on Impaired Activities in Aortic Endothelial.

  10. Aquaculture Asia, vol. 8, no. 3, pp.1-58, July - September 2003

    OpenAIRE

    2003-01-01

    CONTENTS: Ornamental Fish Farming – Successful Small Scale Aqua business in India, by Abalika Ghosh, B. K. Mahapatra and N.C. Datta. Tilapia: A species for Indian Aquaculture? by Graham Mair. Peri-urban food production in Southeast Asia, by Peter Edwards. Shrimp Farming Practices and its Socio- Economic Consequences in East Godavari District, Andhra Pradesh, India - A Case Study, by M.Kumaran, P.Ravichandran, B.P.Gupta and A.Nagavel. Breeding technique ...

  11. Aquaculture Asia, Vol. 7, No. 3, pp.1-60, July - September 2002

    OpenAIRE

    2002-01-01

    CONTENTS: Sustainable Aquaculture - Peter Edwards writes on rural aquaculture: Aquaculture for Poverty Alleviation and Food Security - Part II. Shrimp pond waste management by U Win Latt. The role of rural extension in the sustainable development of Chinese aquaculture by Min Kuanhong. Farmers as Scientists: Diversity enhances profitability and sustainability by M.C. Nandeesha. Properties of Liming Materials by Claude E. Boyd, Mali Boonyaratpalin & Taworn Thunjai. Seed Produc...

  12. African CropScience Journal,Vol. 2. No 4, pp. 563-582, 1994 ISSN ...

    African Journals Online (AJOL)

    widespread, although the incidence was relatively high in Nigeria, Malawi and Tanzania. ... the four problems were lower when cassava was grown in rotation with other crops than in other ...... this, selection work on cassava had been carried.

  13. Aquaculture Asia, Vol 9, No. 3, pp.1-52, July-September 2004

    OpenAIRE

    2004-01-01

    CONTENTS: Genetic considerations in fisheries & aquaculture with regard to impacts upon biodiversity, by Thuy T. T. Nguyen. Rice-fish culture for food and environmental security, by by M.C. Nandeesha. [Farmers as Scientists series] Research and development on land-based aquaculture of spotted Babylon, Babylonia areolata in Thailand: Pilot hatcher-based seedling operation, by Nilnaj Chaitanawisuti Sirusa Kritsanapuntu, and Yutaka Natsukari. Native catfish culture - a boon to In...

  14. Aquaculture Asia, Vol.13, No.2, pp.1-56, April-June 2008

    OpenAIRE

    2008-01-01

    Peter Edwards writes on rural aquaculture: From integrated carp polyculture to intensive monoculture in the Pearl River Delta, South China. Better management practices for Vietnamese catfish. Ipomoea aquatica – an aquaculture friendly macrophyte. A status overview of fisheries and aquaculture development in Pakistan with context to other Asian countries. The changing face of post-grad education in aquaculture: contributing to soaring production and sustainable practices. H...

  15. Sierra Leone Journal of Biomedical Research Vol. 2 (1) pp. 23-27 ...

    African Journals Online (AJOL)

    2010-06-27

    Jun 27, 2010 ... of differently packaged sachet drinking water were purchased from producers, distributors, marketers and hawkers. ... 70-90% and temperature range of 21 to 36oC. Awka is an ..... Laboratory Methods in Medical Parasitology.

  16. Sierra Leone Journal of Biomedical Research Vol. 2 (1) pp. 4 -16 ...

    African Journals Online (AJOL)

    2010-06-16

    Jun 16, 2010 ... comparable fatty acid composition of the two oils. (Koh, 1987). Sesame oil, in ..... and extracellular signal-regulated kinase (ERK) ... of signal transduction pathway or nuclear transcription .... Lowering Food Component. JARQ.

  17. Sierra Leone Journal of Biomedical Research Vol. 2 (2) pp. 135-141 ...

    African Journals Online (AJOL)

    Owner

    this drug. Although majority had dispensed ECP, their knowledge of the drug is limited. There is need for pharmacists to receive continue education on ECP to enable them serve better the clients who need this service. ... have private spaces for counseling which makes it easier ... pregnancy risk by at least 75%‟ and „ECP.

  18. Ilorin Journal of Religious Studies, (IJOURELS) Vol.3 No.1, 2013, Pp ...

    African Journals Online (AJOL)

    mr tomir

    (intransitive, passive). It also means “to arouse”, “to stir up,” (transitive);. “to erect”, “to set up,” “to raise up” (transitive); “to raise oneself,” “to rise up” (transitive).

  19. Sierra Leone Journal of Biomedical Research Vol. 2 (1) pp. 70-74 ...

    African Journals Online (AJOL)

    2010-06-15

    Jun 15, 2010 ... 1Department of Biochemistry, College of Science, Engineering and Technology, Osun State University, ... function parameters in malaria patients in Freetown, Sierra Leone. ..... Message From Genetic Diversity (2nd Edition).

  20. Aquaculture Asia, vol. 8, no. 4, pp.1-52, October - December 2003

    OpenAIRE

    2003-01-01

    CONTENTS: Freshwater prawn, Macrobrachium nobilii a promising candidate for rural nutrition, by Pitchimuthu Mariappan, P. Balamurugan, and Chellam Balasundaram. Snapshots of a clean, innovative, socially responsible fishfarm in Sri Lanka, by Pedro Bueno. Introduction of rainbow trout Onchorynchus mykiss in Nepal: Constraints and prospects, by Tek Bahadur Gurung, Sadhu Ram Basnet. Tilapia seed production in Ho Chi Minh City, Southern Vietnam, by H. P. V. Huy, A. MacNiven, N. V....

  1. Highlights of Astronomy, Vol. 15

    Science.gov (United States)

    Corbett, Ian

    2010-11-01

    Preface; Part I. Gruber Cosmology Prize Lecture; Part II. Invited Discourses; Part III. Joint Discussions: 1. Dark matter in early-type galaxies Léon V. E. Koopmans and Tommaso Treu; 2. Diffuse light in galaxy clusters Magda Arnaboldi and Ortwin Gerhard; 3. Neutron stars - timing in extreme environments Tomaso Belloni, Mariano Méndez and Chengmin Zhang; 4. Progress in understanding the physics of Ap and related stars Margarida Cunha; 5. Modelling the Milky Way in the age of Gaia Annie C. Robin; 6. Time and astronomy Pascale Defraigne; 7. Astrophysical outflows and associated accretion phenomena Elisabete M. de Gouveia Dal Pino and Alex C. Raga; 8. Hot interstellar matter in elliptical galaxies Dong-Woo Kim and Silvia Pellegrini; 9. Are the fundamental constants varying with time? Paolo Molaro and Elisabeth Vangioni; 10. 3D views on cool stellar atmospheres - theory meets observation K. N. Nagendra, P. Bonifacio and H. G. Ludwig; 11. New advances in helio- and astero-seismology; 12. The first galaxies - theoretical predictions and observational clues; 13. Eta Carinae in the context of the most massive stars Theodore R. Gull and Augusto Damineli; 14. The ISM of galaxies in the far-infrared and sub-millimetre; 15. Magnetic fields in diffuse media Elisabete M. de Gouveia Dal Pino and Alex Lazarian; 16. IHY global campaign - whole heliosphere interval; Part IV. Special Sessions: SpS 1. IR and sub-mm spectroscopy - a new tool for studying stellar evolution Glenn Wahlgren, Hans Käufl and Florian Kerber; SpS 2. The international year of astronomy Pedro Russo, Catherine Cesarsky and Lars Lindberg Christensen; SpS 3. Astronomy in Antarctica in 2009 Michael G. Burton; SpS 4. Astronomy education between past and future J. P. De Greve; SpS 5. Accelerating the rate of astronomical discovery Ray P. Norris; SpS 6. Planetary systems as potential sites for life Régis Courtin, Alan Boss and Michel Mayor; SpS 7. Young stars, brown dwarfs, and protoplanetary disks Jane Gregorio

  2. Nicola Michelassi y Salomé Vuelta García, Il teatro spagnolo a Firenze nel Seicento. Vol. I: Giacinto Andrea Cicognini, Giovan Battista Ricciardi, Pietro Susini, Mattias Maria Bartolommei

    Directory of Open Access Journals (Sweden)

    Diego Símini

    2015-01-01

    Full Text Available Reseña de Nicola Michelassi y Salomé Vuelta García, Il teatro spagnolo a Firenze nel Seicento. Vol. I: Giacinto Andrea Cicognini, Giovan Battista Ricciardi, Pietro Susini, Mattias Maria Bartolommei, Alinea (Secoli d’Oro, 67; Commedia Aurea Spagnola e Pubblico Italiano, VIII, Florencia, 2013, 257 pp. ISBN: 9788860557865.

  3. Matrix Theory of pp Waves

    CERN Document Server

    Michelson, J

    2004-01-01

    The Matrix Theory that has been proposed for various pp wave backgrounds is discussed. Particular emphasis is on the existence of novel nontrivial supersymmetric solutions of the Matrix Theory. These correspond to branes of various shapes (ellipsoidal, paraboloidal, and possibly hyperboloidal) that are unexpected from previous studies of branes in pp wave geometries.

  4. Extracting the Odderon from $pp$ and $\\bar pp$ scattering data

    CERN Document Server

    Ster, Andras; Csorgo, Tamas

    2015-01-01

    Starting from a simple empirical parametrization of the scattering amplitude, successfully describing the dip-bump structure of elastic $pp$ scattering in $t$ at fixed values of $s$, we construct a toy model interpolating between missing energy gaps to extract the Odderon contribution from the difference between $\\bar pp$ and $pp$ elastic and total cross sections. The model is fitted to data from $\\sqrt s=23.5$ GeV to 7 TeV and used to extract the Odderon and its ratio to the Pomeron.

  5. (-p)p and pp Elastic Scattering at High Energies

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Based on the eikonalized Glauber representation of hadron-hadron scattering, we study the diffractive processes of -pp and pp elastic scattering at high energies. From our theoretical calculations and fits to the corresponding experimental data at high energies and all available momentum transfer, we find that the Pomeron exchange contributions play a significant role in description of differential cross section dσ/dt in the whole experimental domain. The Pomeron exchange contributions are related to multi-gluon exchanges in QCD, which are color singlet bound state of Reggeized gluons, such as tensor glueball and Odderon. Accordingly, we may claim that the -pp and pp diffractive processes at high energies s and moderate momentum transfer t would be a good tool to verify the existence of the color singlet multigluon bound states and to test QCD since QCD theory does predict the existence of these states. Therefore, we believe that the experimental measurement should be done for these diffractive processes.

  6. STECH VOL5 (1) FEBRUARY, 2016

    African Journals Online (AJOL)

    Copyright 1AARR 2012-2016: www.afrrevjo.net

    2016-02-11

    Feb 11, 2016 ... Climate Change and Infectious Diseases in Funtua Local. Government ... This study examines the impact of climate change on the prevalence of cholera ... A warmer and more variable climate leads to higher levels of some air · pollutants and more frequent extreme weather events. ..... Climate Review (pp.

  7. PP/共聚PP/POE共混体系的研究%Study of PP/Co-PP/POE Blend

    Institute of Scientific and Technical Information of China (English)

    刘西文; 纪立军; 王重

    2008-01-01

    研究了POE用量对T30S/POE和F401/POE体系的力学性能、流动性能的影响,并研究了POE质量分数为15%的情况下,共聚PP用量对PP/共聚PP/POE共混体系的力学性能、流动性能的影响.结果表明:与T30S/POE相比,F401/POE体系的冲击强度提高比较显著,而两种共混体系的加工性能均较好;共聚PP在PP/共聚PP/POE体系中明显起到了协同增韧作用,其中,F401/EPS30R/POE共混体系的综合性能最好.

  8. On Weakly P.P. Rings

    Institute of Scientific and Technical Information of China (English)

    Xiang Yue-ming; Ouyang Lun-qun; Wang Shu-gui

    2015-01-01

    We introduce, in this paper, the right weakly p.p. rings as the generaliza-tion of right p.p. rings. It is shown that many properties of the right p.p. rings can be extended onto the right weakly p.p. rings. Relative examples are constructed. As applications, we also characterize the regular rings and the semisimple rings in terms of the right weakly p.p. rings.

  9. El espectro de K2 Vol

    Science.gov (United States)

    Pintado, O. I.; Adelman, S. J.

    Se han obtenido espectros de alta dispersión para la estrella K2 Vol con el espectrógrafo REOSC del CASLEO en un rango de longitudes de ondas comprendido entre 3500 y 5050 Å. El espectro muestra evidencias de que la estrella es binaria. Se determinan las abundancias de los componentes químicos presentes en su atmósfera, como así también algunas características de su compañera.

  10. [SMEAC Newsletters, Science Education, Vol. 1, No. 1--Vol. 2, No. 1, 1967-1968].

    Science.gov (United States)

    ERIC Clearinghouse for Science, Mathematics, and Environmental Education, Columbus, OH.

    Each of these newsletters, produced by the ERIC Information Analysis Center for Science, Mathematics, and Environmental Education, contains information concerning center publications and other items considered of interest to researchers and educators of various education levels. Vol. 1, No. 1 highlights selected bibliographies (no longer produced…

  11. [SMEAC Newsletters, Science Education, Vol. 2, No. 2--Vol. 2, No. 3, 1969].

    Science.gov (United States)

    ERIC Clearinghouse for Science, Mathematics, and Environmental Education, Columbus, OH.

    Each of these newsletters, produced by the ERIC Information Analysis Center for Science, Mathematics, and Environmental Education, Contains information concerning center publications and activities, as well as other items considered of interest to researchers and educators of various educational levels. One of the emphases in Vol. 2, No. 2, is a…

  12. EPR study of the formation of radicals in PP with antioxidants irradiated with gamma rays

    Energy Technology Data Exchange (ETDEWEB)

    Silva, P. [Instituto Venezolano de Investigaciones Cientificas, Centro de Fisica, Carretera Panamericana Km. 11, Caracas 1020-A (Venezuela)], E-mail: silva@ivic.ve; Albano, C. [Instituto Venezolano de Investigaciones Cientificas, Centro de Quimica, Universidad Central de Venezuela, Facultad de Ingenieria (Venezuela); Perera, R. [Departamento de Mecanica, Universidad Simon Bolivar (Venezuela)

    2007-12-15

    The behavior of different compounds of polypropylene (PP) with stabilizers such as buthyl-hydroxy-toluene (BHT), Chimassorb 944 (Hals) (CHIM), and a copolymer of styrene-butadiene-styrene (SBS) was studied using electron paramagnetic resonance (EPR). A characteristic spectra for pure PP irradiated in air was obtained for all the samples just after being irradiated [M. Dole, The Radiation Chemistry of Macromolecules, Vol. 2, Academic Press, 1973]. A change in the lineshape of the spectra from a pure PP's EPR signal to that of nitroxyl radical as a function of time was observed. The total free radical concentration (TFRC) decayed until approximately 800 h in the PP-HALS and until around 2000 h in all other cases, when the TFRC began to increase in all the cases, except in that of PP-BHT. In this last case, the EPR signal was not detectable after 4000 h. The BHT and the SBS diluted the free radical concentrations, being them smaller when they are present. The behavior observed in all the samples is consistent with the formation of nitroxyl radicals by gamma rays.

  13. Comparison of Single Loop and Dual Loop PP Reactors and PP Product Development

    Institute of Scientific and Technical Information of China (English)

    Lu Yunfeng; Jiang Rong; Feng Suogui

    2003-01-01

    The present status of PP technology in China is presented. Through a review of single loop and dual loop PP reactor technology as well as development and utilization of PP products it is concluded that import of PP technology should be based on the demand of PP products and market trend with consideration of local conditions. The existing problems and future development of PP technology in China are discussed.

  14. AFRREV IJAH, Vol.3 (2) April, 2014

    African Journals Online (AJOL)

    Austin

    2014-04-10

    Apr 10, 2014 ... some degree of freedom of communication and organisation is ... leaders and policies at least through regular and fair election. (iii) a level of .... Nonetheless, James Madison, a political leader of the United States of. America ...

  15. Teología de la Evolución (III): el Espíritu Santo como Fuente de la Novedad Emergente. Denis Edwards, 2004

    OpenAIRE

    Doncel, Manuel G.

    2015-01-01

    Cerramos la presentación de la tríada de intuiciones valiosas para elaborar una teología dela «creación evolutiva», que iniciamos con las intuiciones de Karl Rahner y Karl Schmitz-Moormann [ve rPENSAMIENTO, vol. 63 (2007), pp. 605-636, y vol. 64 (2008), pp. 783-814, respectivamente]. Presentamos hoy las intuiciones del teólogo católico australiano Denis Edwards, publicadas definitivamente en su libro de 2004. Profundo conocedor de la teología de Karl Rahner, parte de la intuición de la «autot...

  16. Direct binding targets of the stringent response alarmone (p)ppGpp.

    Science.gov (United States)

    Kanjee, Usheer; Ogata, Koji; Houry, Walid A

    2012-09-01

    The Escherichia coli stringent response, mediated by the alarmone ppGpp, is responsible for the reorganization of cellular transcription upon nutritional starvation and other stresses. These transcriptional changes occur mainly as a result of the direct effects of ppGpp and its partner transcription factor DksA on RNA polymerase. An often overlooked feature of the stringent response is the direct targeting of other proteins by ppGpp. Here we review the literature on proteins that are known to bind ppGpp and, based on sequence homology, X-ray crystal structures and in silico docking, we propose new potential protein binding targets for ppGpp. These proteins were found to fall into five main categories: (i) cellular GTPases, (ii) proteins involved in nucleotide metabolism, (iii) proteins involved in lipid metabolism, (iv) general metabolic proteins and (v) PLP-dependent basic aliphatic amino acid decarboxylases. Bioinformatic rationale is provided for expanding the role of ppGpp in regulating the activities of the cellular GTPases. Proteins involved in nucleotide and lipid metabolism and general metabolic proteins provide an interesting set of structurally varied stringent response targets. While the inhibition of some PLP-dependent decarboxylases by ppGpp suggests the existence of cross-talk between the acid stress and stringent response systems.

  17. Comparison of pp and pp interactions at $\\sqrt{s}$=53 GeV

    CERN Document Server

    Alpgard, K; Åsman, B; Berglund, S; Bertrand, D; Böckmann, Klaus; Booth, C N; Buffam, C; Burow, L; Carlson, Per J; Carter, J R; Chevalley, J L; Eckart, B; Ekspong, G; Fabre, Jean-Paul; French, K A; Gaudaen, J; Gijsen, M; Hospes, R; Johnson, D; Jon-And, K; Kokott, T; Leistam, L; MacKenzie, R; Maggs, M N; Meinke, R; Mulkens, H; Müller, T; Munday, D J; Odian, A; Rosenberg, M; Rushbrooke, John G; Saarikko, H; Saarikko, T; Tavernier, Stefaan; Triantis, F A; Von Holt, K; Walck, C; Ward, C P; Ward, D R; Weidberg, A R; White, T O; Wilquet, G; Yamdagni, N

    1982-01-01

    Results are presented from the first pp colliding beam runs at the CERN ISR, using the UA5 streamer chamber detector. pp interactions at \\sqrt{s}=53 GeV are compared with pp data taken in the same experiment. The results are in good agreement with extrapolations of low-energy pp data.

  18. Fabrication of PP-g-PEGMA-g-heparin and its hemocompatibility: From protein adsorption to anticoagulant tendency

    Energy Technology Data Exchange (ETDEWEB)

    Jin Jing [State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 (China); Graduate University of Chinese Academy of Sciences, Beijing 100049 (China); Jiang Wei, E-mail: wjiang@ciac.jl.cn [State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 (China); Shi Qiang [State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 (China); Zhao Jie [State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 (China); Graduate University of Chinese Academy of Sciences, Beijing 100049 (China); Yin Jinghua, E-mail: yinjh@ciac.jl.cn [State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 (China); Stagnaro, Paola [Istituto per Io Studio delle Macromolecole, Consiglio Nazionale delle Ricerche, Via de Marini 6, 16149 Genova (Italy)

    2012-05-15

    We described a two-step process to fabricate the heparinized polypropylene (PP) film using cyanuric chloride (CC) as a trifunctional reagent and poly (ethylene glycol) methacrylate (PEGMA) as a spacer. The modified PP films were characterized by attenuated total reflectance FT-IR and X-ray photoelectron spectroscopy; the content of PEGMA and heparin were determined by gravimetric method and a toluidine blue assay, respectively. For the PP-g-PEGMA films, it was found that small size protein BSA tended to adsorb on the surface of low molecular weight monomer grafted PP, whereas big spindle-shaped fibrinogen tended to adsorb on the surface of high molecular weight monomer grafted PP. We gave a definition of anti-protein adsorptive factor r with two model proteins, albumin and fibrinogen. The results by platelet adhesion and plasma recalcification time (PRT) experiments indicated that the factor r could be used to quantitatively evaluate the anticoagulant tendency of PP-g-PEGMA modified films. For the PP-g-PEGMA-g-heparin modified films, the surface was proved to have a high bioactivity by the adsorption of AT III assay and very low platelet adhesion. It indicated that immobilization of heparin on the PP film with PEGMA as a spacer was an effective way to improve the hemocompatibility of PP.

  19. Fabrication of PP-g-PEGMA-g-heparin and its hemocompatibility: From protein adsorption to anticoagulant tendency

    Science.gov (United States)

    Jin, Jing; Jiang, Wei; shi, Qiang; Zhao, Jie; Yin, Jinghua; Stagnaro, Paola

    2012-05-01

    We described a two-step process to fabricate the heparinized polypropylene (PP) film using cyanuric chloride (CC) as a trifunctional reagent and poly (ethylene glycol) methacrylate (PEGMA) as a spacer. The modified PP films were characterized by attenuated total reflectance FT-IR and X-ray photoelectron spectroscopy; the content of PEGMA and heparin were determined by gravimetric method and a toluidine blue assay, respectively. For the PP-g-PEGMA films, it was found that small size protein BSA tended to adsorb on the surface of low molecular weight monomer grafted PP, whereas big spindle-shaped fibrinogen tended to adsorb on the surface of high molecular weight monomer grafted PP. We gave a definition of anti-protein adsorptive factor r with two model proteins, albumin and fibrinogen. The results by platelet adhesion and plasma recalcification time (PRT) experiments indicated that the factor r could be used to quantitatively evaluate the anticoagulant tendency of PP-g-PEGMA modified films. For the PP-g-PEGMA-g-heparin modified films, the surface was proved to have a high bioactivity by the adsorption of AT III assay and very low platelet adhesion. It indicated that immobilization of heparin on the PP film with PEGMA as a spacer was an effective way to improve the hemocompatibility of PP.

  20. Richard III

    DEFF Research Database (Denmark)

    Lauridsen, Palle Schantz

    2017-01-01

    Kort analyse af Shakespeares Richard III med fokus på, hvordan denne skurk fremstilles, så tilskuere (og læsere) langt henad vejen kan føle sympati med ham. Med paralleller til Netflix-serien "House of Cards"......Kort analyse af Shakespeares Richard III med fokus på, hvordan denne skurk fremstilles, så tilskuere (og læsere) langt henad vejen kan føle sympati med ham. Med paralleller til Netflix-serien "House of Cards"...

  1. FE DE ERRATAS VOL. 10 No. 1

    OpenAIRE

    Poutou Piñales, Raúl Alberto; Departamento de Microbiología Facultad de Ciencias Pontificia Universidad Javeriana, Bogotá

    2005-01-01

    1. En el artículo publicado en el volumen 10, No. 1, pp. 5-14 los títulos de las figurasincluidas son:Figura 1. TÍTULO: Plasticidad de las células madre adultas.Figura 2a. TÍTULO: Modelo clásico de diferenciación celular. Adaptación de Körbling,M y Zeev, E. 2003. Adult Stem Cells for Tissue Repair. A New Therapeutic Concept?. NEngl J Med, 349:570-582.Figura 2b. TÍTULO: Modelo de diferenciación celular para precursores comprometidos. Adaptación de Körbling, M y Zeev, E. 2003. Adult Stem Cells ...

  2. AFRREV IJAH, Vol.1 (3) July, 2012

    African Journals Online (AJOL)

    Dr Abimbola

    Doctoral Degree Student. Ebonyi State ... basic concepts related to the work such as adult education, literacy, curriculum and ... is to organize for the solution of group problems. However ... education in schools, colleges and universities, as well as ... (iii) Education for community improvement with particular emphasis on.

  3. Workshop Arboretum Volčji potok

    Directory of Open Access Journals (Sweden)

    Ana Kučan

    2012-01-01

    Full Text Available From its constitution onwards, the Volčji Potok Arboretum has been caught between various conflicting orientations. It is both a scientific, research and educational institution, and a cultural monument with exquisite garden and landscape design features and areas of great natural value and built cultural heritage, as well as commercial venue. At the same time, it functions as a park and an area for mass events, a garden centre and nursery. This variety of functions has helped Arboretum to survive the pressures of time; however, partial and uncoordinated interventions have threatened its original mission and its image and generated a number of conflicting situations. The workshop, organised on the initiative of the Institute for the Protection of Cultural Heritage of Slovenia, which involved students from the Faculty of Architecture and students from the Department of Landscape Architecture of the Biotechnical Faculty in mixed groups, generated eight proposals to solve some of the most urgent problems by introducing optimised development with clearly defined goals and priorities.

  4. Chile menos volátil

    Directory of Open Access Journals (Sweden)

    Felipe Larraín B.

    2008-01-01

    Full Text Available Desde fines de 1998 la economía chilena se desaceleró mucho. Si entre 1988 y 1998 la tasa de crecimiento promedio alcanzó un 7.8%, durante el período postcrisis asiática fue de sólo un 3.7%. Sin embargo, junto con la desaceleración del crecimiento, la volatilidad de la economía se redujo prácticamente a la mitad.Este trabajo investiga, mediante un análisis empírico formal, el papel que tuvieron la introducción de la flotación cambiaria y la utilización de la regla de superávit estructural en transformar a Chile en una economía menos volátil. Nuestros resultados muestran que la introducción de la regla fiscal parece haber reducido en un tercio la volatilidad del crecimiento del PIB. Por su parte, la flotación cambiaria contribuyó a reducir esa volatilidad adicionalmente en alrededor de un cuarto. Así, en conjunto, ambas medidas aparecen como responsables de haber disminuido la volatilidad del crecimiento de la economía chilena en casi 60%. Estos resultados son robustos ante especificaciones y posibles problemas de endogeneidad en algunas de las variables explicativas.

  5. African Journal for Physical Activity and Health Sciences - Vol 18 ...

    African Journals Online (AJOL)

    African Journal for Physical Activity and Health Sciences - Vol 18, No 4 ... Physical growth and academic intelligence of rural South African children: ... The influence of exergaming on the functional fitness in overweight and obese children ...

  6. Nigerian Journal of Family Practice - Vol 7, No 3 (2016)

    African Journals Online (AJOL)

    Nigerian Journal of Family Practice - Vol 7, No 3 (2016) ... underweight profile among adolescent secondary school students in Uyo, South-South, Nigeria ... Anthropometric characteristics and blood pressure levels of spouses of hypertensive ...

  7. Jolivet: Complete Flute Music, Vol. 2 / Guy S. Rickards

    Index Scriptorium Estoniae

    Rickards, Guy S.

    1996-01-01

    Uuest heliplaadist "Jolivet: Complete Flute Music, Vol. 2. Kroumata Percussion Ensemble, Tapiola Sinfonietta, Paavo Järvi". BIS CD 739 (64 minutes: DDD). Item marked from CD630 (6/94), CD272, remainder new to UK

  8. Research in Hospitality Management - Vol 6, No 1 (2016)

    African Journals Online (AJOL)

    Research in Hospitality Management - Vol 6, No 1 (2016) ... Employees, sustainability and motivation: Increasing employee engagement by addressing ... in the host-guest relationship · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  9. Journal of the Nigerian Association of Mathematical Physics - Vol 16 ...

    African Journals Online (AJOL)

    Journal of the Nigerian Association of Mathematical Physics - Vol 16 (2010) ... Construction of A Trial Function In The Variational Procedure of Quantum Mechanics ... of Breakthrough Time in Oil Recovery: Case of Some Niger Delta Reservoirs ...

  10. Nigerian Journal of Technology - Vol 35, No 2 (2016)

    African Journals Online (AJOL)

    Nigerian Journal of Technology - Vol 35, No 2 (2016) ... SENSITIVITY ANALYSIS ON FLEXIBLE ROAD PAVEMENT LIFE CYCLE COST MODEL · EMAIL .... WASTEWATER TREATMENT FACILITY OF A HOTEL IN PORT HARCOURT, RIVERS ...

  11. Journal of Development and Communication Studies - Vol 2, No 1 ...

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    Journal of Development and Communication Studies - Vol 2, No 1 (2012) ... Project of Kerala State, India · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT ... on the Chichewa Radio · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  12. Egyptian Journal of Biochemistry and Molecular Biology - Vol 29, No ...

    African Journals Online (AJOL)

    Egyptian Journal of Biochemistry and Molecular Biology - Vol 29, No 1 (2011) ... Resveratrol, a natural phytoalexin: A therapeutic promise for metabolic disorders in ... Biochemical study on some adipocyto-kines in chronic renal failure: Their ...

  13. Information Impact Vol. 6(3) Dec 2015

    African Journals Online (AJOL)

    2015-12-10

    Dec 10, 2015 ... Information Impact Vol. 6(3) Dec 2015 ... The study is on perceived factors influencing heads of libraries' choice of leadership styles in ... the leader rather than on leadership behavior ... effective administration in goal-seeking.

  14. Research in Hospitality Management - Vol 1, No 1 (2011)

    African Journals Online (AJOL)

    Research in Hospitality Management - Vol 1, No 1 (2011) ... Do social media display correct conventional hotel ratings? ... Employer branding: A new approach for the hospitality industry · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  15. International Journal of Engineering, Science and Technology - Vol ...

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    PROMOTING ACCESS TO AFRICAN RESEARCH ... International Journal of Engineering, Science and Technology - Vol 9, No 4 (2017) ... on MHD flow past a moving plate with Hall current · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  16. Journal of Language, Technology & Entrepreneurship in Africa Vol ...

    African Journals Online (AJOL)

    enewa

    Journal of Language, Technology & Entrepreneurship in Africa Vol. 3. No. ... business skills in an effort to address a gap between theory and practice. ..... All in all more organizations appreciated the students efforts towards the work they had.

  17. African Journal of Environmental Science and Technology - Vol 4 ...

    African Journals Online (AJOL)

    African Journal of Environmental Science and Technology - Vol 4, No 11 (2010) ... Leaves of roadside plants as bioindicator of traffic related lead pollution during different ... Quality assessment of drinking water in Temeke District (part II): ...

  18. Journal of Applied Science, Engineering and Technology - Vol 4, No ...

    African Journals Online (AJOL)

    Journal of Applied Science, Engineering and Technology - Vol 4, No 2 (2004) ... Energy consumption pattern in palm kernel oil processing operations ... An improved solar cabinet dryer with natural convective heat transfer · EMAIL FULL TEXT ...

  19. Journal of Language, Technology & Entrepreneurship in Africa Vol ...

    African Journals Online (AJOL)

    ETSU

    Journal of Language, Technology & Entrepreneurship in Africa Vol. 3. No. 2 .... this, specific effects are created for hearers, which he called implicatures. .... Some speakers address each other by their first-born child's name, but whenever the.

  20. Nigerian Journal of Natural Products and Medicine - Vol 2 (1998)

    African Journals Online (AJOL)

    Nigerian Journal of Natural Products and Medicine - Vol 2 (1998) ... RESEARCH AND DEVELOPMENT INTO HERBAL MEDICINES · EMAIL FULL ... OF BRIDELIA FERRUGUBEA STEM BARK ON BLOOD CHEMISTRY AND HISTOLOGY OF ...

  1. Research in Hospitality Management - Vol 6, No 2 (2016)

    African Journals Online (AJOL)

    Research in Hospitality Management - Vol 6, No 2 (2016) ... Understanding young tourists' preferences for a wildlife tourism package ... Employees' perspectives of service quality in hotels · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  2. Journal of Research in Forestry, Wildlife and Environment - Vol 2 ...

    African Journals Online (AJOL)

    Journal of Research in Forestry, Wildlife and Environment - Vol 2, No 1 (2010) ... Diversity and Abundance of Fish Species in Gbedikere Lake, Bassa, Kogi State · EMAIL ... Fadama Users Group Characteristics that Influence Facilitators' Role ...

  3. African Journal of Biotechnology - Vol 14, No 6 (2015)

    African Journals Online (AJOL)

    African Journal of Biotechnology - Vol 14, No 6 (2015) ... molecular genetics in microbial degradation and decolorization of industrial waste water effluent ... Understanding the efficacy of influent waste water on microbial community structure of ...

  4. Jolivet: Complete Flute Music, Vol. 2 / Guy S. Rickards

    Index Scriptorium Estoniae

    Rickards, Guy S.

    1996-01-01

    Uuest heliplaadist "Jolivet: Complete Flute Music, Vol. 2. Kroumata Percussion Ensemble, Tapiola Sinfonietta, Paavo Järvi". BIS CD 739 (64 minutes: DDD). Item marked from CD630 (6/94), CD272, remainder new to UK

  5. AFRREV IJAH: An International Journal of Arts and Humanities - Vol ...

    African Journals Online (AJOL)

    PROMOTING ACCESS TO AFRICAN RESEARCH ... AFRREV IJAH: An International Journal of Arts and Humanities - Vol 6, No 2 (2017) ... Taylor and Francis Journals under the critical lens of readability analysis ... Current Issue Atom logo

  6. International Journal of Emotional Psychology and Sport Ethics - Vol ...

    African Journals Online (AJOL)

    PROMOTING ACCESS TO AFRICAN RESEARCH ... International Journal of Emotional Psychology and Sport Ethics - Vol 10 (2008) ... Re-Inventing The Current 'Ss' English Language Curriculum: Implications For Students' Performance In ...

  7. African Research Review - Vol 11, No 3 (2017)

    African Journals Online (AJOL)

    African Research Review - Vol 11, No 3 (2017) ... Targeted or Restrictive: Impact of U.S. and EU Sanctions on Education and ... Revamping Nigerian Economy through Cassava Production · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  8. Mizan Law Review - Vol 11, No 1 (2017)

    African Journals Online (AJOL)

    Mizan Law Review - Vol 11, No 1 (2017) ... Interrogating the economy-first paradigm in 'Sustainable Development': towards ... lessons from the Uniform Commercial Code of the US · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  9. Bismalonamides (BISMA) as new extractants for Am(III) and Eu(III) from aqueous high-level wastes

    Energy Technology Data Exchange (ETDEWEB)

    Murillo, M.T.; Almaraz, M.; Sanchez-Quesada, J.; Segura, M.; Iglesias-Sanchez, J.C.; Mendoza, J. de; Prados, P. [Univ. Autonoma de Madrid (Spain). Dept. de Quimica Organica; Espartero, A.G. [Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas (CIEMAT), Madrid (Spain)

    2008-07-01

    Bismalonamides 1-8 and bisthiomalonamides 9-13 were synthesised and studied as extracting agents for Am(III) and Eu(III) from nitric acid solutions into organic solvents. Bismalonamides 7a and 7g display higher distribution coefficients in chlorinated solvents than single malonamide DMDOHEMA, suggesting that bismalonamides could preorganise the binding groups around the cation more efficiently. Additionally, back-extraction of Am(III) and Eu(III) from a loaded organic solution of 7g in (50: 50){sub %} {sub vol} TPH/1-octanol mixture allowed to recover 99% of the initially extracted Am(III) and Eu(III) after three times of contact with fresh 0.01 mol/L nitric acid solutions. (orig.)

  10. Isothermal reduction kinetics of Panzhihua ilmenite concentrate under 30vol% CO-70vol% N2 atmosphere

    Science.gov (United States)

    Zhang, Ying-yi; Lü, Wei; Lü, Xue-wei; Li, Sheng-ping; Bai, Chen-guang; Song, Bing; Han, Ke-xi

    2017-03-01

    The reduction of ilmenite concentrate in 30vol% CO-70vol% N2 atmosphere was characterized by thermogravimetric and differential thermogravimetric (TG-DTG) analysis methods at temperatures from 1073 to 1223 K. The isothermal reduction results show that the reduction process comprised two stages; the corresponding apparent activation energy was obtained by the iso-conversional and model-fitting methods. For the first stage, the effect of temperature on the conversion degree was not obvious, the phase boundary chemical reaction was the controlling step, with an apparent activation energy of 15.55-40.71 kJ·mol-1. For the second stage, when the temperatures was greater than 1123 K, the reaction rate and the conversion degree increased sharply with increasing temperature, and random nucleation and subsequent growth were the controlling steps, with an apparent activation energy ranging from 182.33 to 195.95 kJ·mol-1. For the whole reduction process, the average activation energy and pre-exponential factor were 98.94-118.33 kJ·mol-1 and 1.820-1.816 min-1, respectively.

  11. High Energy (-p)p and pp Elastic Scatterings in QCD Inspired Model

    Institute of Scientific and Technical Information of China (English)

    LU Juan; MA Wei-Xing; HE Xiao-Rong

    2007-01-01

    We propose QCD inspired model to calculate (p)p and pp elastic scatterings at high energies in this paper.A calculation for total cross section of (p)p and pp is performed in which the contributions from gluon-gluon,quark-quark,and gluon-quark interactions are included.Our results show that the QCD inspired model gives a perfect fit to experimental data of total cross section both for (p)p and pp elastic scatterings at the whole energy region where experimental data existed at FNAL and CERN.

  12. Role of (p)ppGpp in biofilm formation and expression of filamentous structures in Bordetella pertussis.

    Science.gov (United States)

    Sugisaki, Kentaro; Hanawa, Tomoko; Yonezawa, Hideo; Osaki, Takako; Fukutomi, Toshiyuki; Kawakami, Hayato; Yamamoto, Tomoko; Kamiya, Shigeru

    2013-07-01

    Bordetella pertussis, the causative agent of whooping cough, is highly adapted to cause human infection. The production of virulence factors, such as adhesins and toxins, is just part of an array of mechanisms by which B. pertussis causes infection. The stringent response is a global bacterial response to nutritional limitation that is mediated by the accumulation of cellular ppGpp and pppGpp [termed together as (p)ppGpp]. Here, we demonstrate that production of (p)ppGpp was controlled by RelA and SpoT proteins in B. pertussis, and that mutation-induced loss of both proteins together caused deficiencies in (p)ppGpp production. The (p)ppGpp-deficient mutants also exhibited defects in growth regulation, decreases in viability under nutritionally limited conditions, increases in susceptibility to oxidative stress and defects in biofilm formation. Analysis of the secreted proteins and the respective transcripts showed that lack of (p)ppGpp led to decreased expression of fim3 and bsp22, which encode a fimbrial subunit and the self-polymerizing type III secretion system tip protein, respectively. Moreover, electron microscopic analysis also indicated that (p)ppGpp regulated the formation of filamentous structures. Most virulence genes - including fim3 and bsp22 - were expressed in the Bvg(+) phase during which the BvgAS two-component system was activated. Although fim3 and bsp22 were downregulated in a (p)ppGpp-deficient mutant, normal expression of fhaB, cyaA and ptxA persisted. Lack of coherence between virulence gene expression and (p)ppGpp production indicated that (p)ppGpp did not modulate the Bvg phase. Taken together, our data indicate that (p)ppGpp may govern an as-yet-unrecognized system that influences B. pertussis pathogenicity.

  13. Study of pp{yields}pp{eta} reaction at threshold; Etude de la reaction pp{yields}pp{eta} au seuil

    Energy Technology Data Exchange (ETDEWEB)

    Taleb, A.

    1994-11-01

    The {eta} production has been studied through the pp {yields} pp{eta} reaction at threshold. Data were taken at the Synchrotron of the ``Laboratoire National Saturne``. The detection in coincidence of the two protons scattered near 0 deg and analysed with the magnetic spectrometer SPES3 allows the reconstruction of missing mass spectra for the {eta} signature. A simulation program which takes into account all the experimental set up characteristics has been realized and tested through the pp {yields} d{pi}{sup +} reaction detected simultaneously with pp {yields} pp{eta}. The generated proton momentum spectra for pp {yields} pp{eta} show a pronounced {eta} mass dependence. This characteristic, connected to the kinematical properties of pp {yields} pp{eta} at threshold, is used to extract the mass of the meson {eta}. The obtained value, m{sub {eta}} = 547.65 {+-} 0.18 MeV, is in good agreement with measurement done recently through the pd {yields} {sup H}e{eta} reaction. The total cross section {sigma}{sub t} of pp {yields} pp{eta} measured at 1260, 1265 and 1300 MeV presents a strong energy dependence. This cross section increases less with energy than the phase-space. The influence of p-p and {eta}-p final state interactions in our measurements is studied. Our results are compared with theoretical predictions and assess the dominant character of the baryonic resonance N{sup *}(1535) in the {eta} mechanism production at threshold. These experimental results give an energy dependence which is not well reproduced by the theoretical predictions. This discrepancy could be an incorrect description of the {eta}-p interaction in the models. (author). 48 refs., 60 figs., 15 tabs.

  14. ppGpp: magic beyond RNA polymerase.

    Science.gov (United States)

    Dalebroux, Zachary D; Swanson, Michele S

    2012-02-16

    During stress, bacteria undergo extensive physiological transformations, many of which are coordinated by ppGpp. Although ppGpp is best known for enhancing cellular resilience by redirecting the RNA polymerase (RNAP) to certain genes, it also acts as a signal in many other cellular processes in bacteria. After a brief overview of ppGpp biosynthesis and its impact on promoter selection by RNAP, we discuss how bacteria exploit ppGpp to modulate the synthesis, stability or activity of proteins or regulatory RNAs that are crucial in challenging environments, using mechanisms beyond the direct regulation of RNAP activity.

  15. Caracterización de compuestos volátiles durante el secado por aspersión de jugo de sandía (Citrullus lanatus ThunB.)

    OpenAIRE

    Héctor Manuel González Sánchez; Salvador González Palomares; Tábata Rosales Reyes

    2011-01-01

    El objetivo del trabajo fue evaluar el efecto de la maltodextrina y goma arábiga en la retención de compuestos volátiles durante el secado por aspersión de jugo de sandía (Citrullus lanatus Thunb.). Se utilizó sandía de la variedad Alena. Se evaluaron tres tratamientos de encapsulantes, T1: 0.5% p/p de maltodextrina, T2: 0.5% p/p de goma arábiga y T3: 0.5% de una mezcla de maltodextrina DE-10 y goma arábiga (1:1) p/p. Las condiciones del secado fueron constantes: flujo de alimentación del 15%...

  16. Tomo III

    OpenAIRE

    2015-01-01

    Memorias, histórico, físicas, crítico, apologéticas de la América Meridional con unas breves advertencias y noticias útiles, a los que de orden de Su Majestad, hubiesen de viajar y describir aquellas vastas regiones. Reino Animal. Tomo III. Por un anónimo americano en Cádiz por los años de 1757. Primera Parte Prólogo Artículo 1°De los cuadrúpedos útiles al hombre a varios usos y a su sustento. Vaca Caballos Carneros de la tierra, especie de camellos Vicuña Guanacos Puercos monteses Artículo 2...

  17. Site-specific analysis of geothermal development-data files of prospective sites. Vol. III

    Energy Technology Data Exchange (ETDEWEB)

    Williams, F.; Cohen, A.; Pfundstein, R.; Pond, S.

    1978-02-01

    Development scenarios for 37 hydrothermal and geopressured prospects in the United States were analyzed. This third of three volumes presents site-specific data and sample development schedules for the first plant on line at each of the 37 prospects.

  18. SRP engineering and design history, Vol III, 200 F and H Areas

    Energy Technology Data Exchange (ETDEWEB)

    Banick, C.J.

    2000-04-17

    This volume combines the record of events relating to the development of design for both the 200-F and H Areas. Chronologically, the definition of plant facilities was first established for the 200-F Area. The second area, 200-H, was projected initially to be a supplementary plutonium separations facility. This history explains the differences in character and capacity of the manufacturing facilities in both areas as production requirements and experience with separations processes advanced.

  19. Cartel. Annotated Bibliography of Bilingual Bicultural Materials. Vol. III, No. 42.

    Science.gov (United States)

    Dissemination and Assessment Center for Bilingual Education, Austin, TX.

    This is an informative listing for educators, librarians, and others interested in materials for bilingual multicultural education. Items are listed according to: title, author, subject, and publisher/distributor indexes. The following are among the topics covered: (1) African and Afro-American culture; (2) Native American cultures; (3) arts and…

  20. A Technology Assessment of Personal Computers. Vol. III: Personal Computer Impacts and Policy Issues.

    Science.gov (United States)

    Nilles, Jack M.; And Others

    A technology assessment of personal computers was conducted to study both the socially desirable and undesirable impacts of this new technology in three main areas: education, employment, and international trade. Information gleaned from this study was then used to generate suggestions for public policy options which could influence these impacts.…

  1. Cartel. Annotated Bibliography of Bilingual Bicultural Materials. Vol. III, No. 42.

    Science.gov (United States)

    Dissemination and Assessment Center for Bilingual Education, Austin, TX.

    This is an informative listing for educators, librarians, and others interested in materials for bilingual multicultural education. Items are listed according to: title, author, subject, and publisher/distributor indexes. The following are among the topics covered: (1) African and Afro-American culture; (2) Native American cultures; (3) arts and…

  2. Fundamentals of interfacial and colloid science Vol III: Liquid-fluid interfaces

    NARCIS (Netherlands)

    Lyklema, J.

    2000-01-01

    This volume deals with various aspects of surface tensions and interfacial tensions. Together with the phenomenon of adsorption (enrichment of molecules at interfaces), these tensions constitute the basic characteristics of interfaces. The authors try to keep the treatment systematic and deductive.

  3. Investing in People: A Strategy to Address America's Workforce Crisis. Background Papers. Vols. I-II.

    Science.gov (United States)

    Department of Labor, Washington, DC. Commission on Workforce Quality and Labor Market Efficiency.

    The 49 papers in these two volumes were prepared to assist the Commission on Workforce Quality and Labor Market Efficiency in making recommendations for improving the U.S. work force. The papers summarize existing research and make recommendations on subjects reflecting seven Commission tasks: (1) examine the roles and effectiveness of privately…

  4. A RADIOIMMUNOASSAY FOR PLACENTAL PROTEIN PP5

    Institute of Scientific and Technical Information of China (English)

    WANGShui-Long; DUGuo-Guang; ZHENGShu-Rong; LIUXin-Jun; YANRen-Ying

    1989-01-01

    A radioimmunoasay of high sendtivity end smbility was developed For placental proteinPP5 (PP5), a syncytiotrophoblast product oF the human placenta. We measured 94 samples from 17 normal nonpregnant women, 47 normal pregnant women, and 30 samples

  5. No horizons in pp-waves

    CERN Document Server

    Hubeny, V E; Hubeny, Veronika E; Rangamani, Mukund

    2002-01-01

    We argue that pp-wave backgrounds can not admit event horizons. We also comment on pp-wave generalizations which would admit horizons and show that there exists a black string solution which asymptotes to a five dimensional plane wave background.

  6. Oxygen Availability for Porphyrin Biosynthesis Enzymes Determines the Production of Protoporphyrin IX (PpIX during Hypoxia.

    Directory of Open Access Journals (Sweden)

    Shimpei Otsuka

    Full Text Available 5-Aminolevulinic acid (ALA, a precursor of porphyrin, is specifically converted to the fluorescent substance protoporphyrin IX (PpIX in tumors to be used as a prodrug for photodynamic therapy and diagnosis. Hypoxia, a common feature of solid tumors, decreases the efficacy of ALA-based photodynamic therapy and diagnosis. This decrease results from the excretion of porphyrin precursor coproporphyrinogen III (CPgenIII, an intermediate in the biosynthesis of PpIX. However, the mechanism of CPgenIII excretion during hypoxia remains unclear. In this study, we revealed the importance of mitochondrial respiration for the production of PpIX during hypoxia. Porphyrin concentrations were estimated in human gastric cancer cell lines by HPLC. Expression levels of porphyrin biosynthesis genes were measured by qRT-PCR and immunoblotting. Blockage of porphyrin biosynthesis was an oxygen-dependent phenomenon resulting from decreased PpIX production in mitochondria under hypoxic conditions. PpIX production was increased by the inhibition of mitochondrial respiration complexes, which indicates that the enzymes of porphyrin biosynthesis compete with respiration complexes for molecular oxygen. Our results indicate that targeting the respiration complexes is a rationale for enhancing the effect of ALA-mediated treatment and diagnosis.

  7. ONKALO pose experiment. Geophysical logging and imaging of drillholes ONK-PP223, ONK-PP226, ONK-PP254 and ONK-PP259...261

    Energy Technology Data Exchange (ETDEWEB)

    Tarvainen, A.-M. (Suomen Malmi Oy, Espoo (Finland))

    2011-08-15

    Suomen Malmi Oy conducted geophysical drillhole logging as well as optical and acoustic imaging of shallow drillholes ONK-PP223, ONK-PP226, ONK-PP254, ONKPP259, ONK-PP260 and ONK-PP261 at ONKALO in the investigation niche ONKTKU- 3 (POSE) between December 2009 and June 2010. The survey is a part of Posiva Oy's detailed investigation program for the final disposal of spent nuclear fuel. The assignment included the field work and data processing. The report describes field operation, equipment as well as processing procedures and shows the obtained results and an analysis of their quality in the appendices. The raw and processed data are delivered digitally in WellCAD, PDF and Excel format. (orig.)

  8. Glucose-induced posttranslational activation of protein phosphatases PP2A and PP1 in yeast

    Institute of Scientific and Technical Information of China (English)

    Dries Castermans; Ils Somers; Johan Kriel; Wendy Louwet; Stefaan Wera; Matthias Versele; Veerle Janssens; Johan M Thevelein

    2012-01-01

    The protein phosphatases PP2A and PP1 are major regulators of a variety of cellular processes in yeast and other eukaryotes.Here,we reveal that both enzymes are direct targets of glucose sensing.Addition of glucose to glucosedeprived yeast cells triggered rapid posttranslational activation of both PP2A and PP1.Glucose activation of PP2A is controlled by regulatory subunits Rts1,Cdc55,Rrd1 and Rrd2.It is associated with rapid carboxymethylation of the catalytic subnnits,which is necessary but not sufficient for activation.Glucose activation of PP1 was fully dependent on regulatory subunits Reg1 and Shp1.Absence of Gac1,GIc8,Reg2 or Red1 partially reduced activation while Pig1 and Pig2 inhibited activation.Full activation of PP2A and PP1 was also dependent on subunits classically considered to belong to the other phosphatase.PP2A activation was dependent on PP1 subunits Reg1 and Shpl while PP1 activation was dependent on PP2A subunit Rts1.Rts1 interacted with both Pph21 and Glc7 under different conditions and these interactions were Regl dependent.Regl-GIc7 interaction is responsible for PP1 involvement in the main glucose repression pathway and we show that deletion of Shpl also causes strong derepression of the invertase gene SUC2.Deletion of the PP2A subunits Pph21 and Pph22,Rrd1 and Rrd2,specifically enhanced the derepression level of SUC2,indicating that PP2A counteracts SUC2 derepression.Interestingly,the effect of the regulatory subunit Rtsl was consistent with its role as a subunit of both PP2A and PP1,affecting derepression and repression of SUC2,respectively.We also show that abolished phosphatase activation,except by reg1A,does not completely block Snf1 dephosphorylation after addition of glucose.Finally,we show that glucose activation of the cAMP-PKA (protein kinase A)pathway is required for glucose activation of both PP2A and PP1.Our results provide novel insight into the complex regulatory role of these two major protein phosphatases in glucose

  9. Analysis of Vernier Scans during the PP2PP run in 2009 (pp at 100 GeV/beam)

    Energy Technology Data Exchange (ETDEWEB)

    Drees, A.

    2011-12-13

    At the end of RHIC's 2009 operation a dedicated run for the PP2PP experiment (part of the STAR experiment) took place from Jun 29 to Jul 06 2009. Polarized protons were accelerated to 100 GeV using ramp-file pp100-90pp2pp with a {beta}* = 22 m in IR6. Since only transverse polarization was required no rotator ramp was in use. The PP2PP experiment consists mainly of two Roman Pot detectors (one horizontal and one vertical) on either side of IR6 in the outgoing-beam arms between the Q3 and Q4 magnets. The yellow pots are in sector 5, the blue ones in sector 6. Roman Pot type detectors are installed inside the beampipe causing an accelerator safety concern. To address this concern there is a limit to the allowable total beam current in the machine while Roman Pots are enabled to move closer to the beam. This limit was set to a motion limit of 5 mm from the center of the beampipe and 50 {center_dot} 10{sup 11} beam current per ring. In order to reduce the background in the detectors, beams were scraped using the RHIC collimator system prior to moving the pots closer. This was typically repeated several times throughout a store since beam halo reforms over the course of hours.

  10. Nigerian Journal of Chemical Research 22 Vol,15, 2010 Neutron ...

    African Journals Online (AJOL)

    Hp

    standardization of irradiation and counting facilities for .... herbicides, pesticides and chemical fertilizers. The elements Th, Eu, Hf, ... is recognized as urban air pollutants. It interacts with arsenic ... industrial Hygiene and Toxicology,. 4(1994) pp ...

  11. Technical comparison between Hythane, GNG and gasoline fueled vehicles. [Hythane = 85 vol% natural gas, 15 vol% H[sub 2

    Energy Technology Data Exchange (ETDEWEB)

    1992-05-01

    This interim report documents progress on this 2-year Alternative Fuel project, scheduled to end early 1993. Hythane is 85 vol% compressed natural gas (CNG) and 15 vol% hydrogen; it has the potential to meet or exceed the California Ultra-Low Emission Vehicle (ULEV) standard. Three USA trucks (3/4 ton pickup) were operated on single fuel (unleaded gasoline, CNG, Hythane) in Denver. The report includes emission testing, fueling facility, hazard and operability study, and a framework for a national hythane strategy.

  12. The Stringent Response Mediated by (p)ppGpp Is Required for Virulence of Pseudomonas syringae pv. tomato and Its Survival on Tomato.

    Science.gov (United States)

    Chatnaparat, Tiyakhon; Li, Zhong; Korban, Schuyler S; Zhao, Youfu

    2015-07-01

    The hypersensitive response and pathogenicity (hrp) type III secretion system (T3SS) is a key pathogenicity factor in Pseudomonas syringae pv. tomato DC3000 (DC3000). In this study, the role of the second messenger (p)ppGpp on virulence and survival of DC3000 was investigated. Results have demonstrated that (p)ppGpp-deficient mutant (ppGpp(0)) of DC3000 exhibited lower levels of expression of the T3SS and genes of other virulence traits, such as coronatine toxin. The ppGpp(0) mutant of DC3000 was greatly impaired in causing disease and in growth in planta. Furthermore, (p)ppGpp was required for swarming motility, pyoverdine production, the oxidative stress response, as well as γ-amino butyric acid utilization. Screening of amino acids, major signals in activation of ppGpp biosynthesis, revealed that promoter activities of the avrPto gene could be either activated or suppressed by various amino acids in a ppGpp-dependent or -independent manner. Moreover, the ppGpp(0) mutant exhibited increased cell size and decreased survival on plant surfaces. Altogether, these findings indicate that ppGpp acts as an internal signal that regulates the T3SS as well as other virulence factors in pseudomonads and suggest that bacterial pathogens utilize intracellular messengers to sense environmental and nutritional signals for rapid, precise, and reversible control of their pathogenesis and survival.

  13. Shostakovich: The Orchestral Songs Vol. 2 / Michael Tanner

    Index Scriptorium Estoniae

    Tanner, Michael

    1996-01-01

    Uuest heliplaadist "Shostakovich: The Orchestral Songs Vol. 2: Six Romances on texts by Japanese poets, Op. 21. Six Poems on Marina Tsvetayeva, Op. 143. Suite on Verses of Michelangelo, Op. 145. Gothenburg Symphony Orchestra, Neeme Järvi". DG 447 085-2GH (71 minutes:DDD)

  14. Schostakowitsch. Orchesterlieder (Vol. 2), Neeme Järvi / Werner Pfister

    Index Scriptorium Estoniae

    Pfister, Werner

    1996-01-01

    Uuest heliplaadist "Schostakowitsch. Orchesterlieder (Vol. 2): Sechs Romanzen op. 21, Sechs Gedichte op. 143a, Suite auf Verse von Michelangelo Buonarroti op. 145a. Göteborger Sinfoniker, Neeme Järvi". DG CD 447 085-2 (WD: 71'06") DDD

  15. East and Central African Journal of Pharmaceutical Sciences Vol. 7 ...

    African Journals Online (AJOL)

    East and Central African Journal of Pharmaceutical Sciences. Vol. 7(3) 52-55. Adherence ... any for the rest of hislher life is one of the biggest challenges. While much .... Secondly, 2- and 3-times-daily regimens required for HIV are difficult and ...

  16. Tropical Journal of Pharmaceutical Research - Vol 16, No 2 (2017)

    African Journals Online (AJOL)

    Tropical Journal of Pharmaceutical Research - Vol 16, No 2 (2017) ... Bone regeneration potential of sub-microfibrous membranes with osteogenic ... Baicalein and U0126 suppress bladder cancer proliferation via MAPK ... Analysis of the effect of Qizhuyigan on liver function in a mouse model of immunological liver injury ...

  17. Vol 39 2011 Art 5.pub - African Journals Online

    African Journals Online (AJOL)

    p2613611

    ISSN 0378-5254 Journal of Family Ecology and Consumer Sciences, Vol 39, 2011 ... The pertinence of status factors in consumers' consideration of major ... ties in terms of consumers' expectations and appli- ... such characteristics serve as pertinent heuristics in ... value and the quality of appliances from their external.

  18. Shostakovich: The Orchestral Songs Vol. 2 / Michael Tanner

    Index Scriptorium Estoniae

    Tanner, Michael

    1996-01-01

    Uuest heliplaadist "Shostakovich: The Orchestral Songs Vol. 2: Six Romances on texts by Japanese poets, Op. 21. Six Poems on Marina Tsvetayeva, Op. 143. Suite on Verses of Michelangelo, Op. 145. Gothenburg Symphony Orchestra, Neeme Järvi". DG 447 085-2GH (71 minutes:DDD)

  19. Schostakowitsch. Orchesterlieder (Vol. 2), Neeme Järvi / Werner Pfister

    Index Scriptorium Estoniae

    Pfister, Werner

    1996-01-01

    Uuest heliplaadist "Schostakowitsch. Orchesterlieder (Vol. 2): Sechs Romanzen op. 21, Sechs Gedichte op. 143a, Suite auf Verse von Michelangelo Buonarroti op. 145a. Göteborger Sinfoniker, Neeme Järvi". DG CD 447 085-2 (WD: 71'06") DDD

  20. New Egyptian Journal of Microbiology - Vol 17 (2007)

    African Journals Online (AJOL)

    New Egyptian Journal of Microbiology - Vol 17 (2007) ... Detection Of Human Herpes Virus Type-8 Dna In Kaposi\\'s Sarcoma And Other Bullous Skin Diseases · EMAIL ... Of Conventional And Molecular Diagnosis Of Superficial Fungal Infections .... Interference Between Lactobacilli And Group A Streptococcus pyogenes: An ...

  1. African Journal of Infectious Diseases - Vol 10, No 2 (2016)

    African Journals Online (AJOL)

    African Journal of Infectious Diseases - Vol 10, No 2 (2016) ... The strengths, weaknesses, opportunities, and threats (SWOTs) analyses of the Ebola virus ... ducks as potential reservoir of avian influenza virus in post HPAI H5N1 outbreak area, ...

  2. Creative Artist: A Journal of Theatre and Media Studies - Vol 10, No ...

    African Journals Online (AJOL)

    Creative Artist: A Journal of Theatre and Media Studies - Vol 10, No 1 (2016). Journal Home > Archives > Vol 10, No 1 (2016) ... Community theatre and development practices in Nyanza Region, Kenya · EMAIL FREE FULL TEXT EMAIL FREE ...

  3. Causal structures of pp-waves

    CERN Document Server

    Hubeny, V E; Hubeny, Veronika E.; Rangamani, Mukund

    2002-01-01

    We discuss the causal structure of pp-wave spacetimes using the ideal point construction outlined by Geroch, Kronheimer, and Penrose. This generalizes the recent work of Marolf and Ross, who considered similar issues for plane wave spacetimes. We address the question regarding the dimension of the causal boundary for certain specific pp-wave backgrounds. In particular, we demonstrate that the pp-wave spacetime which gives rise to the N = 2 sine-Gordon string world-sheet theory is geodesically complete and has a one-dimensional causal boundary.

  4. GridPP returns to CERN

    CERN Multimedia

    Neasan O'Neill

    2011-01-01

    In early September, GridPP, the collaboration that manages the UK’s contribution to the worldwide LHC Computing Grid (wLCG), celebrated a decade of work by holding its twenty-seventh collaboration meeting at CERN.   Officially launched in September 2001, GridPP was one of the original partners in wLCG, funding much of the early work at CERN. Over the last decade GridPP has gone from a mere proposal to almost 30,000 CPUs working for researchers scattered across the globe. Twice a year, GridPP meets to discuss the progress and future plans of the community and this year, for the first time since 2004, decamped to CERN for this biannual meeting on the theme “GridPP in the International Context”. The main meeting was held over 2 days in the IT auditorium and was the perfect opportunity to have contributions from experts based at CERN, alongside those from within GridPP. Opening with a welcome from Frederic Hemmer, Head of the IT Department at CERN, the meeting began with...

  5. Cytomegalovirus pp65 limits dissemination but is dispensable for persistence

    OpenAIRE

    Malouli, Daniel; Hansen, Scott G.; Nakayasu, Ernesto S.; Marshall, Emily E.; Hughes, Colette M.; Ventura, Abigail B.; Gilbride, Roxanne M.; Lewis, Matthew S.; Xu, Guangwu; Kreklywich, Craig; Whizin, Nathan; Fischer, Miranda; Legasse, Alfred W.; Viswanathan, Kasinath; Siess, Don

    2014-01-01

    The most abundantly produced virion protein in human cytomegalovirus (HCMV) is the immunodominant phosphoprotein 65 (pp65), which is frequently included in CMV vaccines. Although it is nonessential for in vitro CMV growth, pp65 displays immunomodulatory functions that support a potential role in primary and/or persistent infection. To determine the contribution of pp65 to CMV infection and immunity, we generated a rhesus CMV lacking both pp65 orthologs (RhCMVΔpp65ab). While ...

  6. VolP开始走向实用

    Institute of Scientific and Technical Information of China (English)

    Russ Anensman

    2006-01-01

    <正>德州仪器(TI)的Tom Flanagan已为早期基于IP协议的语音(VolP)技术天花乱坠的广告宣传进入实用等待了10年之久。TI VoIP部技术战略总监Flanagan说:“我不可能告诉你实现这一点需要多少时间。”

  7. From Editor vol 11, No.3

    Directory of Open Access Journals (Sweden)

    Ugur Demiray

    2010-07-01

    of a new prototype of visualization in support of movie retrieval. The goal of information visualization is unveiling of large amounts of data or abstract data set using visual presentation. With this knowledge the main goal is to develop a 2D presentation of information on movies from the IMDB (Internet Movie Database as our movie search engine. The aim is to amplify the perception of users over the retrieval environment while preserving the output quality at an acceptable meaningful level. Visualization ideas deal with visualization of information seeking results. The 9th article is arrived to us from USA and written by James O. BARBRE III on Borderless Educational Practices In The Development Of Commerce, from the Social Studies and Social Foundations Indiana University East, School of Education. This paper addresses online MBA (Master of Business Administration degrees and the nature of its presence alongside the more traditional face-to-face MBA program. While the MBA was not originally a global phenomenon, the development of so many online programs has made it one. Through this analysis, the MBA is first situated historically with subsequent challenges that have encouraged and/or forced it to go undergo changes in its structure over the last several decades. The approach to this analysis utilizes the lens of neo-realistic principles for organizational effectiveness at the international level. The article is which numbered as 10, from UAE. Article is entitled as “Students’ First Impression Of Second Life: A case from the United Arab Emirates, written by Salam ABDALLAH, MIS Department of Abu Dhabi University. His paper dealt with second Life. Virtual worlds are believed to impact the future of higher education and therefore, universities across the world are immersing themselves inside virtual worlds to establish a unique learning and research environments. This research examines the viability of Second Life as an educational platform from the perspective of

  8. Journal of Agricultural Extension Vol.17 (2) December, 2013 ISSN ...

    African Journals Online (AJOL)

    ONIKOYI

    Agricultural extension in Turkey, Communication for extension Development. Introduction .... deliver information to farmers but only as social media, that is, for personal communication with ... year in journalism studies or public relations and marketing. There are .... Delhi, India: B. R. Publishing Corporation, pp. 159 – 171.

  9. Killing tensors in pp-wave spacetimes

    Energy Technology Data Exchange (ETDEWEB)

    Keane, Aidan J [87 Carlton Place, Glasgow G5 9TD, Scotland (United Kingdom); Tupper, Brian O J, E-mail: aidan@countingthoughts.co, E-mail: bt32@rogers.co [Department of Mathematics and Statistics, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3 (Canada)

    2010-12-21

    The formal solution of the second-order Killing tensor equations for the general pp-wave spacetime is given. The Killing tensor equations are integrated fully for some specific pp-wave spacetimes. In particular, the complete solution is given for the conformally flat plane wave spacetimes and we find that irreducible Killing tensors arise for specific classes. The maximum number of independent irreducible Killing tensors admitted by a conformally flat plane wave spacetime is shown to be six. It is shown that every pp-wave spacetime that admits an homothety will admit a Killing tensor of Koutras type and, with the exception of the singular scale-invariant plane wave spacetimes, this Killing tensor is irreducible.

  10. New boundaries for the "ppK-" production in p+p collisions

    Science.gov (United States)

    Epple, Eliane

    2014-11-01

    The HADES collaboration has searched for the anti-kaonic nuclear cluster "ppK-" in p+p collisions by its decay into pΛ. In the course of this analysis several cross checks had to be performed. This report discusses two examples thereof. In one test it was checked whether the presence of background events could introduce a bias on the applied partial wave analysis. The second item discussed here is the extraction of the total pK+Λ production cross section necessary to derive the absolute upper limit on the "ppK-" production cross section.

  11. New boundaries for the “ppK−” production in p+p collisions

    Directory of Open Access Journals (Sweden)

    Epple Eliane

    2014-01-01

    Full Text Available The HADES collaboration has searched for the anti-kaonic nuclear cluster “ppK−” in p+p collisions by its decay into pΛ. In the course of this analysis several cross checks had to be performed. This report discusses two examples thereof. In one test it was checked whether the presence of background events could introduce a bias on the applied partial wave analysis. The second item discussed here is the extraction of the total pK+Λ production cross section necessary to derive the absolute upper limit on the “ppK−” production cross section.

  12. Reliability-Limiting Defects in GaN/AlGaN High Electron Mobility Transistors

    Science.gov (United States)

    2011-12-01

    GaN grown by plasma-assisted molecular beam epitaxy”, Appl. Phys. Lett., vol. 77, no. 18, pp. 2885- 2887, 2000. [24] A. Hierro , A. R. Arehart, B...defects and impurities: Applications to III-nitrides”, J. Appl. Phys., vol. 95, pp.3851-3879, 2004. [43] A. Hierro , S. A. Ringel, M. Hansen, J. S

  13. Mastoplastia reductora en L para grandes volúmenes

    OpenAIRE

    Fernandez, Claudio de Barros

    2013-01-01

    Las primeras descripciones de las mastoplastias fueron atribuidas a Paulus Aegineta en 625-690d.C. 4, con una resección de ginecomastia por el surco sub-mamario. Posteriormente, muchas técnicas fueron descritas para la disminución del órgano. Clásicamente, fueron consideradas mamas grandes aquellas con volúmenes resecados más grandes que 600 gr., siendo la mayoría tratadas tras cicatrices en T invertido. El objetivo de ese estudio es mostrar que es posible tratar mamas grandes con cicatrices ...

  14. Mastoplastia reductora en l para grandes volúmenes

    OpenAIRE

    De Barros Fernandez, Claudio

    2012-01-01

    Las primeras descripciones de las mastoplastias fueron atribuidas a Paulus Aegineta en 625-690d.C. 4, con una resección de ginecomastia por el surco sub-mamario. Posteriormente, muchas técnicas fueron descritas para la disminución del órgano. Clásicamente, fueron consideradas mamas grandes aquellas con volúmenes resecados más grandes que 600 gr., siendo la mayoría tratadas tras cicatrices en T invertido. El objetivo de ese estudio es mostrar que es posible tratar mamas grandes ...

  15. Sensitometria : sistema analògic versus digital. Vol. 2

    OpenAIRE

    Llunas i Pérez, Pere; Mur i Sanabre, Carme de

    2004-01-01

    Aquesta publicació vol ser una ajuda per a totes aquelles persones interessades en el coneixement dels materials fotogràfics fotoquímics i digitals i en el seu processament químic i digital. Al mateix temps pretén que alguns apartats d'aquesta disciplina siguin més propers a la pràctica fotogràfica. L'obra es composa d'il·lustracions que han estat dissenyades amb una finalitat docent; aquestes il·lustracions s'utilitzen a classe per a desenvolupar els temes que configuren el programa de l'ass...

  16. Componentes volátiles de mamey (mammea americana L.)

    OpenAIRE

    Alicia Lucía Morales; William Arguello; Gustavo García; Iván Herrera

    2010-01-01

    Los componentes volátiles del aroma de mamey (Mammea americana L), fueron extraídos utilizando el método de destilación por arrastre con vapor-extracción simultánea con solvente orgánico. El extracto fue prefraccionado por cromatografía en columna en silica gel con gradiente discontinuo Pentano: Éter etílico para obtener tres fracciones que fueron analizadas por CGAR y CGAR-EM. Se detectaron 34 compuestos, de los cuales fueron identificados 22, siendo los componentes mayoritarios: Furfural (7...

  17. Componentes volátiles de mamey (mammea americana l.)

    OpenAIRE

    Morales, Alicia Lucía; Arguello, William; García, Gustavo; Herrera, Iván

    2010-01-01

    Los componentes volátiles del aroma de mamey (Mammea americana L), fueron extraídos utilizando el método de destilación por arrastre con vapor-extracción simultánea con solvente orgánico. El extracto fue prefraccionado por cromatografía en columna en silica gel con gradiente discontinuo Pentano: Éter etílico para obtener tres fracciones que fueron analizadas por CGAR y CGAR-EM. Se detectaron 34 compuestos, de los cuales fueron identificados 22, siendo los componentes mayoritarios: Furfural (7...

  18. Diagramas de flujo y volúmenes de control

    OpenAIRE

    Fernández Torres, María José

    2010-01-01

    En este vídeo se explican los conceptos de DIAGRAMA DE FLUJO y de VOLÚMEN DE CONTROL aplicados a la Ingeniería Química. Se detalla cómo se dibujan correctamente volúmenes de control y las corrientes que deben considerarse en varios casos. Participan: Voz: Dra. María José Fernández Torres; Colaboran: Dra. María Dolores Saquete Ferrándiz y Dr. Francisco Ruiz Beviá.

  19. Anestesia volátil e monitorização anestésica.

    OpenAIRE

    Alexandre, Nuno; Costa, Margarida; Mascarenhas, Ramiro

    2009-01-01

    Os autores apresentam um texto de apoio à disciplina de anestesiologia do curso de Medicina Veterinária .Neste texto são abordadas diversas temáticas da anestesia volátil tais como: equipamentos utilizados em anestesia volátil, farmacologia dos anestésicos voláteis. A monitorização dos pacientes é abordada na vertente mecânica ou intrumental e na componente básica.

  20. Anestesia volátil e monitorização anestésica.

    OpenAIRE

    Alexandre, Nuno; Costa, Margarida; Mascarenhas, Ramiro

    2009-01-01

    Os autores apresentam um texto de apoio à disciplina de anestesiologia do curso de Medicina Veterinária .Neste texto são abordadas diversas temáticas da anestesia volátil tais como: equipamentos utilizados em anestesia volátil, farmacologia dos anestésicos voláteis. A monitorização dos pacientes é abordada na vertente mecânica ou intrumental e na componente básica.

  1. Heavy quark production in pp collisions

    Energy Technology Data Exchange (ETDEWEB)

    McGaughey, P.L. [Los Alamos National Lab., NM (United States); Quack, E. [Gesellschaft fuer Schwerionenforschung, Darmstadt (Germany); Ruuskanen, P.V. [Univ. of Helsinki (Finland)]|[Univ. of Jyvaeskylae (Finland)] [and others

    1995-07-01

    A systematic study of the inclusive single heavy quark and heavy-quark pair production cross sections in pp collisions is presented for RHIC and LHC energies. We compare with existing data when possible. The dependence of the rates on the renormalization and factorization scales is discussed. Predictions of the cross sections are given for two different sets of parton distribution functions.

  2. CyberStorm III

    NARCIS (Netherlands)

    Luiijf, H.A.M.; et al

    2010-01-01

    Projectteam Cyber Storm III - De Verenigde Staten organiseerden de afgelopen jaren een reeks grootschalige ICT-crisisoefeningen met de naam Cyber Storm. Cyber Storm III is de derde oefening in de reeks. Het scenario van Cyber Storm III staat in het teken van grootschalige ICT-verstoringen, waarbij n

  3. ISAJET: a Monte Carlo event generator for pp and anti pp interactions. Version 3

    Energy Technology Data Exchange (ETDEWEB)

    Paige, F.E.; Protopopescu, S.D.

    1982-09-01

    ISAJET is a Monte Carlo computer program which simulates pp and anti pp reactions at high energy. It can generate minimum bias events representative of the total inelastic cross section, high PT hadronic events, and Drell-Yan events with a virtual ..gamma.., W/sup + -/, or Z/sup 0/. It is based on perturbative QCD and phenomeno-logical models for jet fragmentation.

  4. Polarization observables for the reaction pp -> pp. pi. /sup 0/ at 800 MeV

    Energy Technology Data Exchange (ETDEWEB)

    Riley, P.J.; Bachman, M.; Hollas, C.L.; McNaughton, K.H.; Xu Shenwu; Bonner, B.E.; Van Dyck, O.B.; McGill, J.; McNaughton, M.W.; Peng, J.C.

    1987-10-22

    The Wolfenstein polarization observables D/sub NN/, D/sub S..cap omega../ and D/sub L..cap omega../, where ..cap omega.. denotes a mixture of S and L polarization components, the induced polarization P, and the analysing power A have been measured for the reaction pp -> pp..pi../sup 0/ at 800, 733, and 647 MeV. Comparisons are made to theoretical predictions of the model of Dubach, Kloet and Silbar.

  5. Global Positioning System III (GPS III)

    Science.gov (United States)

    2015-12-01

    Military Operations in Urban Terrain; Defense-Wide Mission Support; Air Mobility; and Space Launch Orbital Support. For military users, the GPS III...program provides Precise Positioning Service (PPS) to military operations and force enhancement. It also provides increased anti-jam power to the earth ...to be modified . On January 31, 2016, USD(AT&L) signed the GPS III revised APB. This Change 1 to the APB was due to both cost and schedule breaches

  6. Mn(II) Oxidation by the Multicopper Oxidase Complex Mnx: A Coordinated Two-Stage Mn(II)/(III) and Mn(III)/(IV) Mechanism.

    Science.gov (United States)

    Soldatova, Alexandra V; Romano, Christine A; Tao, Lizhi; Stich, Troy A; Casey, William H; Britt, R David; Tebo, Bradley M; Spiro, Thomas G

    2017-08-23

    The bacterial manganese oxidase MnxG of the Mnx protein complex is unique among multicopper oxidases (MCOs) in carrying out a two-electron metal oxidation, converting Mn(II) to MnO2 nanoparticles. The reaction occurs in two stages: Mn(II) → Mn(III) and Mn(III) → MnO2. In a companion study , we show that the electron transfer from Mn(II) to the low-potential type 1 Cu of MnxG requires an activation step, likely forming a hydroxide bridge at a dinuclear Mn(II) site. Here we study the second oxidation step, using pyrophosphate (PP) as a Mn(III) trap. PP chelates Mn(III) produced by the enzyme and subsequently allows it to become a substrate for the second stage of the reaction. EPR spectroscopy confirms the presence of Mn(III) bound to the enzyme. The Mn(III) oxidation step does not involve direct electron transfer to the enzyme from Mn(III), which is shown by kinetic measurements to be excluded from the Mn(II) binding site. Instead, Mn(III) is proposed to disproportionate at an adjacent polynuclear site, thereby allowing indirect oxidation to Mn(IV) and recycling of Mn(II). PP plays a multifaceted role, slowing the reaction by complexing both Mn(II) and Mn(III) in solution, and also inhibiting catalysis, likely through binding at or near the active site. An overall mechanism for Mnx-catalyzed MnO2 production from Mn(II) is presented.

  7. Development of hemp fibre - PP nonwoven composites

    CSIR Research Space (South Africa)

    Hargitai, H

    2006-01-01

    Full Text Available samples were stored in distilled water at a room temperature for about 450 hours. Every day the samples were dried by paper towel and the increase in weight was measured. The tensile and three point bending test was performed on ZWICK equipment.... F., Jacobson, R. E., Paper and Composites from Agro-Based Resources (Rowell, R. M. et al. Ed.), Lewis Publishers, New York, 377.(1997) [6] Wielage, B., K?hler, E., Odenwald, S., Lampke, Th., Bergner, A., Kunststoffe, Vol. 89: 60-62 (1999) [7...

  8. PP2A: The Wolf in Sheep’s Clothing?

    Energy Technology Data Exchange (ETDEWEB)

    Kiely, Maeve [Department of Life Sciences, and Materials and Surface Science Institute, University of Limerick, Limerick 78666 (Ireland); Kiely, Patrick A., E-mail: Patrick.Kiely@ul.ie [Department of Life Sciences, and Materials and Surface Science Institute, University of Limerick, Limerick 78666 (Ireland); Stokes Institute, University of Limerick 78666, Limerick (Ireland)

    2015-04-13

    Protein Phosphatase 2A (PP2A) is a major serine/threonine phosphatase in cells. It consists of a catalytic subunit (C), a structural subunit (A), and a regulatory/variable B-type subunit. PP2A has a critical role to play in homeostasis where its predominant function is as a phosphatase that regulates the major cell signaling pathways in cells. Changes in the assembly, activity and substrate specificity of the PP2A holoenzyme have a direct role in disease and are a major contributor to the maintenance of the transformed phenotype in cancer. We have learned a lot about how PP2A functions from specific mutations that disrupt the core assembly of PP2A and from viral proteins that target PP2A and inhibit its effect as a phosphatase. This prompted various studies revealing that restoration of PP2A activity benefits some cancer patients. However, our understanding of the mechanism of action of this is limited because of the complex nature of PP2A holoenzyme assembly and because it acts through a wide variety of signaling pathways. Information on PP2A is also conflicting as there are situations whereby inactivation of PP2A induces apoptosis in many cancer cells. In this review we discuss this relationship and we also address many of the pertinent and topical questions that relate to novel therapeutic strategies aimed at altering PP2A activity.

  9. Index to Nuclear Safety. A technical progress review by chronology, permuted title, and author. Vol. 11, No. 1--Vol. 17, No. 6

    Energy Technology Data Exchange (ETDEWEB)

    Cottrell, W.B.; Klein, A.

    1977-02-23

    This index to Nuclear Safety covers articles in Nuclear Safety Vol. 11, No. 1 (Jan.-Feb. 1970), through Vol. 17, No. 6 (Nov.-Dec. 1976). The index includes a chronological list of articles (including abstract) followed by KWIC and Author Indexes. Nuclear Safety, a bimonthly technical progress review prepared by the Nuclear Safety Information Center, covers all safety aspects of nuclear power reactors and associated facilities. The index lists over 350 technical articles in the last six years of publication.

  10. DEVELOPMENT OF THE MODIFIED PP/COPOLYPROPYLENE/POE BLENDS FOR AUTOMOBILE BUMPERS%PP/共聚PP/POE汽车保险杠专用料的研制

    Institute of Scientific and Technical Information of China (English)

    唐忠兴; 苏新

    2003-01-01

    研制了PP/共聚PP/聚烯烃弹性体(POE)汽车保险杠专用料,介绍了POE的结构特点,探讨了POE及共聚PP含量对PP力学等性能的影响.结果表明,POE对PP的增韧优于(乙烯/丙烯/二烯)共聚物(EPDM),共聚PP在PP/共聚PP/POE体系中也起到增韧作用,该共混料可以满足汽车保险杠性能的要求.

  11. pp Interaction in Extended Air Showers

    CERN Document Server

    Kohara, A Kendi; Kodama, Takeshi

    2014-01-01

    Applying the recently constructed analytic representation for the pp scattering amplitudes, we present a study of p-air cross sections, with comparison to the data from Extensive Air Shower (EAS) measurements. The amplitudes describe with precision all available accelerator data at ISR, SPS and LHC energies, and its theoretical basis, together with the very smooth energy dependence of parameters controlled by unitarity and dispersion relations, permit reliable extrapolation to higher energies and to asymptotic ranges. The comparison with cosmic ray data is very satisfactory in the whole pp energy interval from 1 to 100 TeV. High energy asymptotic behaviour of cross sections is investigated in view of the geometric scaling property of the amplitudes. The amplitudes predict that the proton does not behave as a black disk even at asymptotically high enegies, and we discuss possible non-trivial consequences of this fact for pA collision cross sections at higher energies.

  12. pp interactions in extended air showers

    Directory of Open Access Journals (Sweden)

    Kendi Kohara A.

    2015-01-01

    Full Text Available Applying the recently constructed analytic representation for the pp scattering amplitudes, we present a study of p-air cross sections, with comparison to the data from Extensive Air Shower (EAS measurements. The amplitudes describe with precision all available accelerator data at ISR, SPS and LHC energies, and its theoretical basis, together with the very smooth energy dependence of parameters controlled by unitarity and dispersion relations, permit reliable extrapolation to higher energies and to asymptotic ranges. The comparison with cosmic ray data is very satisfactory in the whole pp energy interval from 1 to 100 TeV. High energy asymptotic behaviour of cross sections is investigated in view of the geometric scaling property of the amplitudes. The amplitudes predict that the proton does not behave as a black disk even at asymptotically high enegies, and we discuss possible non-trivial consequences of this fact for pA collision cross sections at higher energies.

  13. PP: A Lisp Pretty Printing System.

    Science.gov (United States)

    1984-12-01

    level :length :lines :array :radix :circle :case : gensym This function is like PRIN1 except that it does not force ,PRINT-ESCAPE, to be T. The...PRINT-CASE, and ,PRINT- GENSYM , respectively. (’llhe last four of these variables are not supported by release 5 of the I isp Machine System...variables. PP:SET-INTERACTIVE-CONTROL-VARIABLES &key :escape :base :pretty :level :length :lines :array :radix :circle :case : gensym This function specifies

  14. Canonical Formulation of pp-waves

    CERN Document Server

    Balasin, Herbert

    2007-01-01

    We construct a Hamiltonian formulation for the class of plane-fronted gravitational waves with parallel rays (pp-waves). Because of the existence of a light-like Killing vector, the dynamics is effectively reduced to a 2+1 evolution with "time" chosen to be light-like. In spite of the vanishing action this allows us to geometrically identify a symplectic form as well as dynamical Hamiltonian, thus casting the system into canonical form.

  15. $pp$-waves in modified gravity

    CERN Document Server

    Baykal, Ahmet

    2015-01-01

    The family of metrics corresponding to the plane-fronted gravitational waves with parallel propagation, commonly referred to as the family of pp-wave metrics, is studied in the context of various modified gravitational models in a self-contained and coherent manner by using a variant of the null coframe formulation of Newman and Penrose and the exterior algebra of differential forms on pseudo-Riemannian manifolds.

  16. b-flavour tagging in pp collisions

    CERN Multimedia

    Birnkraut, Alex

    2015-01-01

    An essential ingredient of all time-dependent CP violation studies of B mesons is the ability to tag the initial flavour of the B meson. The harsh environment of 7 and 8 TeV pp collisions makes this a particularly difficult enterprise. We report progresses in the flavour tagging of B0 and Bs mesons, including developments of novel techniques like the use of an opposite side charm tagger.

  17. volBrain: an online MRI brain volumetry system

    Directory of Open Access Journals (Sweden)

    Jose V. Manjon

    2016-07-01

    Full Text Available The amount of medical image data produced in clinical and research settings is rapidly growing resulting in vast amount of data to analyze. Automatic and reliable quantitative analysis tools, including segmentation, allow to analyze brain development and to understand specific patterns of many neurological diseases. This field has recently experienced many advances with successful techniques based on non-linear warping and label fusion. In this work we present a novel and fully automatic pipeline for volumetric brain analysis based on multi-atlas label fusion technology that is able to provide accurate volumetric information at different levels of detail in a short time. This method is available through the volBrain online web interface (http://volbrain.upv.es, which is publically and freely accessible to the scientific community. Our new framework has been compared with current state-of-the-art methods showing very competitive results.

  18. Componentes volátiles de mamey (mammea americana L.

    Directory of Open Access Journals (Sweden)

    Alicia Lucía Morales

    2010-07-01

    Full Text Available Los componentes volátiles del aroma de mamey (Mammea americana L, fueron extraídos utilizando el método de destilación por arrastre con vapor-extracción simultánea con solvente orgánico. El extracto fue prefraccionado por cromatografía en columna en silica gel con gradiente discontinuo Pentano: Éter etílico para obtener tres fracciones que fueron analizadas por CGAR y CGAR-EM. Se detectaron 34 compuestos, de los cuales fueron identificados 22, siendo los componentes mayoritarios: Furfural (7281 ^ig/kg y E-Famesol (2145 ng/kg

  19. String Theory on Parallelizable PP-Waves

    Energy Technology Data Exchange (ETDEWEB)

    Sadri, Darius J

    2003-05-05

    The most general parallelizable pp-wave backgrounds which are non-dilatonic solutions in the NS-NS sector of type IIA and IIB string theories are considered. We demonstrate that parallelizable pp-wave backgrounds are necessarily homogeneous plane-waves, and that a large class of homogeneous plane-waves are parallelizable, stating the necessary conditions. Such plane-waves can be classified according to the number of preserved supersymmetries. In type IIA, these include backgrounds preserving 16, 18, 20, 22 and 24 supercharges, while in the IIB case they preserve 16, 20, 24 or 28 supercharges. An intriguing property of parallelizable pp-wave backgrounds is that the bosonic part of these solutions are invariant under T-duality, while the number of supercharges might change under T-duality. Due to their {alpha}{prime} exactness, they provide interesting backgrounds for studying string theory. Quantization of string modes, their compactification and behavior under T-duality are studied. In addition, we consider BPS Dp-branes, and show that these Dp-branes can be classified in terms of the locations of their world volumes with respect to the background H-field.

  20. String Theory on Parallelizable PP-waves

    CERN Document Server

    Sadri, D; Sadri, Darius; Sheikh-Jabbari, Mohammad M.

    2003-01-01

    The most general parallelizable pp-wave backgrounds which are non-dilatonic solutions in the NS-NS sector of type IIA and IIB string theories are considered. We demonstrate that parallelizable pp-wave backgrounds are necessarily homogeneous plane-waves, and that a large class of homogeneous plane-waves are parallelizable, stating the necessary conditions. Such plane-waves can be classified according to the number of preserved supersymmetries. In type IIA, these include backgrounds preserving 16, 18, 20, 22 and 24 supercharges, while in the IIB case they preserve 16, 20, 24 or 28 supercharges. An intriguing property of parallelizable pp-wave backgrounds is that the bosonic part of these solutions are invariant under T-duality, while the number of supercharges might change under T-duality. Due to their $\\alpha^\\prime$ exactness, they provide interesting backgrounds for studying string theory. Quantization of string modes, their compactification and behaviour under T-duality are studied. In addition, we consider...

  1. Metallothionein (MT)-III

    DEFF Research Database (Denmark)

    Carrasco, J; Giralt, M; Molinero, A

    1999-01-01

    Metallothionein-III is a low molecular weight, heavy-metal binding protein expressed mainly in the central nervous system. First identified as a growth inhibitory factor (GIF) of rat cortical neurons in vitro, it has subsequently been shown to be a member of the metallothionein (MT) gene family...... and renamed as MT-III. In this study we have raised polyclonal antibodies in rabbits against recombinant rat MT-III (rMT-III). The sera obtained reacted specifically against recombinant zinc-and cadmium-saturated rMT-III, and did not cross-react with native rat MT-I and MT-II purified from the liver of zinc...... injected rats. The specificity of the antibody was also demonstrated in immunocytochemical studies by the elimination of the immunostaining by preincubation of the antibody with brain (but not liver) extracts, and by the results obtained in MT-III null mice. The antibody was used to characterize...

  2. Proceedings of the sixth international conference on fluidized bed combustion. Volume III. Technical sessions

    Energy Technology Data Exchange (ETDEWEB)

    None

    1980-08-01

    The Sixth International Conference on Fluidized Bed Combustion was held April 9-11, 1980, at the Atlanta Hilton, Atlanta, Georgia. It was sponsored by the US Department of Energy, the Electric Power Research Institute, the US Environmental Protection Agency, and the Tennessee Valley Authority. Forty-five papers from Vol. III of the proceedings have been entered individually into EDB and ERA. Two papers had been entered previously from other sources. (LTN)

  3. Characterization of the morphology of iPP/sPP blends with various compositions

    Directory of Open Access Journals (Sweden)

    S. Bourbigot

    2013-03-01

    Full Text Available The paper investigates the morphology and the structural properties of blends of isotactic polypropylene (iPP and syndiotactic polypropylene (sPP having different compositions using different techniques. Solid-state nuclear magnetic resonance (NMR permits via appropriate sequence to measure the composition, conformation and dynamics, and intimacy of mixing of polymeric materials. Measurement of relaxation times gives information on local structure of phases with different mobility. The morphology is directly related to the structural organization of the blends. The crystallization rate decreases as a function of the sPP content. The minor component is dispersed as a nodule in the main component of the blend and it plays the role of nucleating agent on it. Besides, morphology changes occur for the composition 50/50 (wt/wt of the blend iPP/sPP. Different phases are identified, namely free amorphous, constrained amorphous and crystalline regions which exhibit different molecular mobilities. It is also shown at the interphase matrix-nodules, the nodules create a constrained amorphous zone.

  4. Cytomegalovirus pp65 limits dissemination but is dispensable for persistence

    Energy Technology Data Exchange (ETDEWEB)

    Malouli, Daniel; Hansen, Scott G.; Nakayasu, Ernesto S.; Marshall, Emily E.; Hughes, Colette M.; Ventura, Abigail B.; Gilbride, Roxanne M.; Lewis, Matthew S.; Xu, Guangwu; Kreklywich, Craig; Whizin, Nathan; Fischer, Miranda; Legasse, Alfred W.; Viswanathan, Kasinath; Siess, Don; Camp, David G.; Axthelm, Michael K.; Kahl, Christoph; DeFilippis, Victor R.; Smith, Richard D.; Streblow, Daniel N.; Picker, Louis J.; Früh, Klaus

    2014-04-01

    The tegument phosphoprotein pp65 (UL83) is the most abundant virion protein in human cytomegalovirus (HCMV). Since pp65 is immunodominant in persistently infected individuals, subunit vaccines against HCMV often include pp65 as T cell stimulatory component. Although HCMV pp65 is non-essential for viral growth in vitro it is thought to have an important role in primary and persistent infection since pp65 displays multiple immunomodulatory functions. To determine whether pp65 is required for infection and to evaluate its role in natural and vaccination-induced immunity we generated a rhesus CMV lacking both homologues, pp65a (Rh111) and pp65b (Rh112). Lack of pp65 resulted in a slight growth defect in vitro and an increase of defective particle formation. However, most pp65-deleted virions in the supernatant were phenotypically normal and proteomics analysis revealed that the ratios of the remaining viral proteins were largely unchanged. RhCMV Δpp65ab was able to persistently infect CMV-negative rhesus macaques (RM) and to super-infect RM previously infected with CMV. To determine whether T cells against pp65 are essential for protection against CMV, we challenged Δpp65ab-infected animals with RhCMV ΔUS2-11, a viral recombinant that lacks inhibitors of MHC-I antigen presentation and is thus unable to overcome CMV-specific T cell immunity. Despite a complete lack of pp65-specific T cells, Δpp65ab protected against ΔUS2-11 challenge suggesting that pp65-specific T cells are not essential for T cell immunity against CMV. Using the same approach we further demonstrate that pp65b-specific T cells, induced by heterologous prime/boost vaccination, are not sufficient to protect against ΔUS2-11 challenge. Our data provides a new approach to test the efficacy of subunit vaccine candidates and suggest that pp65 vaccines are insufficient to induce a T cell response that recapitulates the protective effect of natural infection.

  5. Studies on the properties of rice-husk-filled-PP composites: effect of maleated PP

    Directory of Open Access Journals (Sweden)

    Simone Maria Leal Rosa

    2009-09-01

    Full Text Available Rice husk is a by-product of rice milling process that usually finds inadequate final disposal (burning, land filling. Thermoplastics composites filled with rice husk flour are materials that offer an alternative for using this agricultural resource viewing the production of low dense materials with some specific properties. In this work composites of polypropylene (PP and rice husk flour (RHF were prepared by melt extrusion. Maleic anhydride-modified PP (MAPP was added as a coupling agent. It was verified that tensile strength decreased with filler loading. The presence of MAPP improved this property showing a strong dependence on the MAPP/RHF ratio (MAPP/RHF = 0.03 produced the best results. The density of the composites slightly increased with filler and coupling agent in comparison to pure PP. The presence of MAPP diminished more than 20% water uptake in highly-loaded composites.

  6. Isothermal Crystallization Kinetics of Dynamically Cured PP/MAH-g-PP/Epoxy Blends%动态固化PP/MAH-g-PP/EP共混物的等温结晶动力学

    Institute of Scientific and Technical Information of China (English)

    江学良; 张隐西

    2009-01-01

    分别用Avrami方程和Hoffman结晶理论研究了马来酸酐接枝聚丙烯(MAH-g-PP)增容的动态固化聚丙烯(PP)/环氧树脂(EP)共混物中PP等温结晶动力学.实验结果表明,动态固化PP/MAH-g-PP/EP共混物中环氧颗粒可作为PP的成核剂,能显著促进PP的结晶.根据Avrami方程,动态固化PP/MAH-g-PP/EP共混物中PP的结晶速率常数K(T) 明显大于纯PP的K(T).依据Hoffman理论研究动态固化PP/MAH-g-PP/EP共混物结晶热动力学,动态固化PP/MAH-g-PP/EP共混物折叠链表面自由能(σe)明显小于PP折叠链表面自由能(σe).

  7. Nuclear Slope Parameter Of pp and (-p)p Elastic Scattering in QCD Inspired Model

    Institute of Scientific and Technical Information of China (English)

    MA Shan-Jun; LU Juan; LU Hai-Liang; MA Wei-Xing; FAN Hong-Yi; HE Xiao-Rong

    2008-01-01

    Based on the quaxk-gluon structure of nucleon and the possible existence of Odderon in strong interaction process due to gluon self-interaction, the elastic scatterings of pp and pp at high energies axe studied. The contributions from individual terms of quark-quark, gluon-gluon interactions, quaxk-gluon interference, and the Odderon terms to the nuclear slope parameter B(s) are analyzed. Our results show that the QCD inspired model gives a good fit to the LHC experimental data of the nucleax slope parameter.

  8. PP-O and PP-V, Monascus pigment homologues, production, and phylogenetic analysis in Penicillium purpurogenum.

    Science.gov (United States)

    Arai, Teppei; Kojima, Ryo; Motegi, Yoshiki; Kato, Jun; Kasumi, Takafumi; Ogihara, Jun

    2015-12-01

    The production of pigments as secondary metabolites by microbes is known to vary by species and by physiological conditions within a single strain. The fungus strain Penicillium purpurogenum IAM15392 has been found to produce violet pigment (PP-V) and orange pigment (PP-O),Monascus azaphilone pigment homologues, when grown under specific culture conditions. In this study, we analysed PP-V and PP-O production capability in seven strains of P. purpurogenum in addition to strain IAM15392 under specific culture conditions. The pigment production pattern of five strains cultivated in PP-V production medium was similar to that of strain IAM15392, and all violet pigments produced by these five strains were confirmed to be PP-V. Strains that did not produce pigment were also identified. In addition, two strains cultivated in PP-O production medium produced a violet pigment identified as PP-V. The ribosomal DNA (rDNA) internal transcribed spacer (ITS) region sequences from the eight P. purpurogenum strains were sequenced and used to construct a neighbor-joining phylogenetic tree. PP-O and PP-V production of P. purpurogenum was shown to be related to phylogenetic placement based on rDNA ITS sequence. Based on these results, two hypotheses for the alteration of pigment production of P. purpurogenum in evolution were proposed.

  9. Editor's welcome, PORTAL, Vol. 1, No. 2, July 2004

    Directory of Open Access Journals (Sweden)

    Paul Allatson

    2005-03-01

    Full Text Available Since the highly successful inauguration of PORTAL in January 2004, we have received many kind expressions of support from international studies practitioners in a range of fields, and from such places as Canada, Italy, Mexico, Nigeria, New Zealand, Spain, Trinidad, the U.K., and the U.S.A. Particularly gratifying have been the endorsements of the journal and its publishing aims by people involved in their own electronic publishing enterprises. For their generous responses to PORTAL, the Editorial Committee would like to express its collective appreciation to the following people: Professor Jean-Marie Volet, of the University of Western Australia, and the guiding editor of the ground-breaking e-journal Mots Pluriels (www.arts.uwa.edu.au/MotsPluriels; and Francis Leo Collins, member of the Editorial Committee for the Graduate Journal of Asia Pacific Studies (GJAPS, based in Auckland, New Zealand. PORTAL's readers may be interested in the current call for papers from GJAPS (www.arts.auckland.ac.nz/gjaps, for a special issue on "Imagining the Asia-Pacific" (deadline October 31, 2004. This issue of PORTAL contains essays that cover wide terrain: the Chilean diasporic community in Australia; the world of German intellectuals; contemporary Mexican socio-political movements; rural-urban migration in China; and transnational advocacy networks and election monitoring in the Philippines, Chile, Nicaragua and Mexico. In the cultural section of this issue, we are delighted to present a short story from the noted German Studies scholar Anthony Stephens, and the first half of a beautiful, deeply poetic and haunting novel entitled Son, from the London-based writer and art-critic Jennifer Higgie. The novel’s second and final part will appear in PORTAL vol. 2, no. 1, in January 2005. On a different note, we would like to express our support for the inaugural Ubud Writers and Readers Festival, to be held in Ubud, Bali, from October 11 to 17, 2004. The Festival

  10. Modifikacija PP/SAN mešanic:

    OpenAIRE

    Musil, Vojko; Radonjič, Gregor

    1995-01-01

    Properties of isotactic polypropylene (PP) can be improved with the preparation of PP blends. Polymer blend PP/SAN is immiscible and it shows a decrease in some mechanical properties but processing and some other properties can be improved. Addition of an impact modifier can also change the final properties of the PP/SAN blends. As a modifier we used poly (styrene-b-ethylene-co-butylene-b-styrene) (SEBS) triblock copolymer. Blends were prepared in the melt in a Brabender kneading chamber, coo...

  11. Modifikacija PP/SAN mešanic

    OpenAIRE

    Radonjič, Gregor; Musil, Vojko

    2015-01-01

    Izotaktični polipropilen (PP) je med poliolefini eden od najpogosteje uporabljanih polimerov. Kopolimer stiren/akrilonitril ima nekatere dobre lastnosti , ki skupaj z lastnostmi PP omogočajo doseganje sinergističnih učinkov. Polimerna mešanica PP/SAN je nemešljiva in kaže določeno poslabšanje nekaterih mehanskih lastnosti, vendar pa se izboljšajo predelovalne in nekatere druge lastnosti. Na spremembe lastnosti PP/SAN mešanic lahko vplivamo tudi z dodatkom modifikatorja. Zaradi omenjenih dejst...

  12. Displacement affinity chromatography of protein phosphatase one (PP1 complexes

    Directory of Open Access Journals (Sweden)

    Gourlay Robert

    2008-11-01

    Full Text Available Abstract Background Protein phosphatase one (PP1 is a ubiquitously expressed, highly conserved protein phosphatase that dephosphorylates target protein serine and threonine residues. PP1 is localized to its site of action by interacting with targeting or regulatory proteins, a majority of which contains a primary docking site referred to as the RVXF/W motif. Results We demonstrate that a peptide based on the RVXF/W motif can effectively displace PP1 bound proteins from PP1 retained on the phosphatase affinity matrix microcystin-Sepharose. Subsequent co-immunoprecipitation experiments confirmed that each identified binding protein was either a direct PP1 interactor or was in a complex that contains PP1. Our results have linked PP1 to numerous new nuclear functions and proteins, including Ki-67, Rif-1, topoisomerase IIα, several nuclear helicases, NUP153 and the TRRAP complex. Conclusion This modification of the microcystin-Sepharose technique offers an effective means of purifying novel PP1 regulatory subunits and associated proteins and provides a simple method to uncover a link between PP1 and additional cellular processes.

  13. The electroweak corrections to the process pp(γγ→(tt))pp at the LHC%LHC对撞机上(pp)(γγ→ tt)(pp)过程的电弱修正

    Institute of Scientific and Technical Information of China (English)

    孙衍斌; 刘娜; 胡浩月; 张健; 田佳佳

    2011-01-01

    In this paper the electroweak corrections to the process pp (rr→tt)pp at the LHC are calculated in the equivalent photon approximation. Our results shows that the corrected cross sections for the process pp(rr→tt)pp at the LHC are small relatively to its subprocess (rr→t t), but the electroweak correction effect is large up to -7%. Therefore, for the process pp(rr→tt)pp which has very clean environment, its electroweak corrections have to be included.%在等效光子近似下计算了LHC对撞机上pp(γγ→(tt))pp过程的电弱修正.结果表明:pp(γγ→(tt))pp过程修正后的截面相对较小,但电弱修正效应却高达到-7%左右.所以,对于LHC对撞机上背景非常干净的pp(γγ→(tt))pp过程而育,电弱修正效应是不能忽略的.

  14. Study of baryon and search for dibaryon resonances by the pp{yields}pp{pi}{sup +}{pi}{sup -} reaction

    Energy Technology Data Exchange (ETDEWEB)

    Doroshkevich, E.; Bashkanov, M.; Brodowski, W.; Bilger, R.; Clement, H.; Meier, R. [Physikalisches Institut der Universitaet Tuebingen, Morgenstelle 14, D-72076, Tuebingen (Germany); Calen, H.; Ekstroem, C.; Kupsc, A. [Svedberg Laboratory, S-751 21, Uppsala (Sweden); Fransson, K.; Haeggstroem, S.; Hoeistad, B.; Johanson, J.; Johansson, A.; Johansson, T.; Kullander, S.; Marciniewski, P. [Department of Radiation Sciences, Uppsala University (Sweden); Greiff, J. [I. Institut fuer Experimentalphysik der Universitaet Hamburg, D-22761, Hamburg (Germany); Kilian, K. [IKP - Forschungszentrum Juelich GmbH, D-52425, Juelich (Germany); Morosov, B. [Joint Institute for Nuclear Research Dubna, 101000, Moscow (Russian Federation); Oelert, W.; Paetzold, J.; Ruber, R.J.M.Y.; Scobel, W.; Stepaniak, J.; Sukhanov, A.; Turowiecki, A.; Wagner, G.J.; Wilhelmi, Z.; Zabierowski, J.; Zlomanczuk, J.

    2003-11-01

    Exclusive measurements of the two-pion production channel pp{yields}pp{pi} + {pi}{sup -} have been carried out near threshold at CELSIUS with the PROMICE/WASA detector. They reveal pp{yields}pp{sup *}(1440){yields}pp{sigma}{yields}pp({pi}{sup +}{pi}{sup -}){sub I=l=0} as the dominant process at these energies, however, the data exhibit also significant contributions from p{sup *}(1440){yields}{delta}{pi}{yields}p({pi}{sup +}{pi}{sup -}){sub I=l=0}. From the observed interference of these Roper decay routes their relative branching ratio is derived. The status on the search for NN-decoupled NN{pi}-resonances is reviewed with regard to recent experimental searches in the pionic double charge exchange in nuclei, the two-pion production in nucleon-nucleon collisions, the photo pion-production on the deuteron and the electro pion-production in nuclei. (orig.)

  15. Damping of forward neutrons in pp collisions

    Science.gov (United States)

    Kopeliovich, B. Z.; Potashnikova, I. K.; Schmidt, Ivan; Soffer, J.

    2008-07-01

    We calculate absorptive corrections to single pion exchange in the production of leading neutrons in pp collisions. Contrary to the usual procedure of convolving the survival probability with the cross section, we apply corrections to the spin amplitudes. The nonflip amplitude turns out to be much more suppressed by absorption than the spin-flip one. We identify the projectile proton Fock state responsible for the absorptive corrections as a color octet-octet 5-quarks configuration. Calculations within two very different models, color-dipole light-cone description, and in hadronic representation, lead to rather similar absorptive corrections. We found a much stronger damping of leading neutrons than in some of previous estimates. Correspondingly, the cross section is considerably smaller than was measured at ISR. However, comparison with recent measurements by the ZEUS collaboration of neutron production in deep-inelastic scattering provides a strong motivation for challenging the normalization of the ISR data. This conjecture is also supported by preliminary data from the NA49 experiment for neutron production in pp collisions at SPS.

  16. Strangeness production in AA and pp collisions

    Energy Technology Data Exchange (ETDEWEB)

    Castorina, Paolo [Universita di Catania, Dipartimento di Fisica ed Astronomia, Catania (Italy); INFN, Catania (Italy); Satz, Helmut [Universitaet Bielefeld, Fakultaet fuer Physik, Bielefeld (Germany)

    2016-07-15

    Boost-invariant hadron production in high-energy collisions occurs in causally disconnected regions of finite space-time size. As a result, globally conserved quantum numbers (charge, strangeness, baryon number) are conserved locally in spatially restricted correlation clusters. Their size is determined by two time scales: the equilibration time specifying the formation of a quark-gluon plasma, and the hadronization time, specifying the onset of confinement. The expected values for these scales provide the theoretical basis for the suppression observed for strangeness production in elementary interactions (pp, e{sup +}e{sup -}) below LHC energies. In contrast, the space-time superposition of individual collisions in high-energy heavy-ion interactions leads to higher energy densities, resulting in much later hadronization and hence much larger hadronization volumes. This largely removes the causality constraints and results in an ideal hadronic resonance gas in full chemical equilibrium. In the present paper, we determine the collision energies needed for that; we also estimate when pp collisions reach comparable hadronization volumes and thus determine when strangeness suppression should disappear there as well. (orig.)

  17. Strangeness production in AA and pp collisions

    Science.gov (United States)

    Castorina, Paolo; Satz, Helmut

    2016-07-01

    Boost-invariant hadron production in high-energy collisions occurs in causally disconnected regions of finite space-time size. As a result, globally conserved quantum numbers (charge, strangeness, baryon number) are conserved locally in spatially restricted correlation clusters. Their size is determined by two time scales: the equilibration time specifying the formation of a quark-gluon plasma, and the hadronization time, specifying the onset of confinement. The expected values for these scales provide the theoretical basis for the suppression observed for strangeness production in elementary interactions ( pp , e^+e^- below LHC energies. In contrast, the space-time superposition of individual collisions in high-energy heavy-ion interactions leads to higher energy densities, resulting in much later hadronization and hence much larger hadronization volumes. This largely removes the causality constraints and results in an ideal hadronic resonance gas in full chemical equilibrium. In the present paper, we determine the collision energies needed for that; we also estimate when pp collisions reach comparable hadronization volumes and thus determine when strangeness suppression should disappear there as well.

  18. The type III manufactory

    CERN Document Server

    Palcoux, Sébastien

    2011-01-01

    Using unusual objects in the theory of von Neumann algebra, as the chinese game Go or the Conway game of life (generalized on finitely presented groups), we are able to build, by hands, many type III factors.

  19. Journal of Fundamental and Applied Sciences - Vol 4, No 1 (2012)

    African Journals Online (AJOL)

    Journal of Fundamental and Applied Sciences - Vol 4, No 1 (2012) ... Spectroscopic Proprieties of Crystals Mf2 (M=Cd, Sr, Ba) Doped to Rare Earth Ions ... of Borovanadate Glass of Sodium by Raman Spectroscopy Low Frequencies · EMAIL ...

  20. Science, Technology and Arts Research Journal - Vol 2, No 4 (2013)

    African Journals Online (AJOL)

    Science, Technology and Arts Research Journal - Vol 2, No 4 (2013) ... Synteny Approach of Drug Target Prediction among Unique Hypothetical Proteins ... Family's regarding Child Nutrition (under 5 years of age) in Nekemte Town, Ethiopia ...

  1. Siim Nestor soovitab : Tallinn Doom Night vol.1. Odessa Pop / Siim Nestor

    Index Scriptorium Estoniae

    Nestor, Siim, 1974-

    2006-01-01

    Soome doom-metal ansambel Reverend Bizarre üritusel "Tallinn Doom Night vol.1" 8. dets. klubis Rockstar's. Indipoppi viljelev Rootsi duo My Darling Yoy! üritusel "Odessa Pop" 9. dets. Tallinnas klubis KuKu

  2. Arvustuse piirid ja auhinnad : mõtteid kirjanduskriitikast vol 2 / Jan Kaus

    Index Scriptorium Estoniae

    Kaus, Jan, 1971-

    2007-01-01

    Tänapäeva eesti kirjanduskriitikast. Vt. ka vol. 1: Kaus, Jan. Eetika, taburetiefekt ja jätkuv objektivisatsioon, Sirp, 15. juuni., lk. 7. Vastukaja: Raudam, Toomas. Arvustuse piiritused //Sirp (2007) 10. aug., lk. 9

  3. Arvustuse piirid ja auhinnad : mõtteid kirjanduskriitikast vol 2 / Jan Kaus

    Index Scriptorium Estoniae

    Kaus, Jan, 1971-

    2007-01-01

    Tänapäeva eesti kirjanduskriitikast. Vt. ka vol. 1: Kaus, Jan. Eetika, taburetiefekt ja jätkuv objektivisatsioon, Sirp, 15. juuni., lk. 7. Vastukaja: Raudam, Toomas. Arvustuse piiritused //Sirp (2007) 10. aug., lk. 9

  4. Journal of Research in National Development - Vol 10, No 3 (2012)

    African Journals Online (AJOL)

    Journal of Research in National Development - Vol 10, No 3 (2012) .... Marketing and 21 Century Technological Challenges: The Need for Curricula ... Trade Blocs and the Future of Global Marketing · EMAIL FULL TEXT EMAIL FULL TEXT

  5. African Journal of Range and Forage Science - Vol 13, No 1 (1996)

    African Journals Online (AJOL)

    African Journal of Range and Forage Science - Vol 13, No 1 (1996) ... on Lolium perenne L. pastures under subtropical conditions: herbage quality ... AU Triumph, Johnstone and Kentucky 31 tall fescue pastures versus maize silage in diets for ...

  6. 02 Inkanyiso Vol4N2 Akintayo and BabalolaFM.fm

    African Journals Online (AJOL)

    ian

    involvement, satisfaction and commitment among the workforce in Nigeria. ..... education institution in Malaysia', Journal of Management and Social Sciences, vol. 5, no. ... 'Diversity and emotion: the new frontiers in organizational behaviour.

  7. Inkanyiso: Journal of Humanities and Social Sciences - Vol 8, No 2 ...

    African Journals Online (AJOL)

    Inkanyiso: Journal of Humanities and Social Sciences - Vol 8, No 2 (2016) ... and health promotion · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT ... Maximising the potential of social media to deliver academic library services to students: ...

  8. Siim Nestor soovitab : Tallinn Doom Night vol.1. Odessa Pop / Siim Nestor

    Index Scriptorium Estoniae

    Nestor, Siim, 1974-

    2006-01-01

    Soome doom-metal ansambel Reverend Bizarre üritusel "Tallinn Doom Night vol.1" 8. dets. klubis Rockstar's. Indipoppi viljelev Rootsi duo My Darling Yoy! üritusel "Odessa Pop" 9. dets. Tallinnas klubis KuKu

  9. East and Central African Journal of Surgery - Vol 12, No 2 (2007)

    African Journals Online (AJOL)

    East and Central African Journal of Surgery - Vol 12, No 2 (2007) ... Africa: Implication for training · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT ... Breast fine needle aspiration cytology in a Nigerian tertiary hospital · EMAIL FREE FULL ...

  10. African Journal for the Psychological Study of Social Issues - Vol 5 ...

    African Journals Online (AJOL)

    African Journal for the Psychological Study of Social Issues - Vol 5, No 2 (2000) ... Influence of locus of control on conformity to authority in a multicultural ... Psychology and the increasing crime rate in Nigeria · EMAIL FULL TEXT EMAIL FULL ...

  11. Science, Technology and Arts Research Journal - Vol 4, No 2 (2015)

    African Journals Online (AJOL)

    Science, Technology and Arts Research Journal - Vol 4, No 2 (2015) ..... The Perception of Prospective Teachers toward Stakeholders' Experience in Practicum: The ... Analysis of Factors Affecting Watermelon Production in Ekiti State, Nigeria ...

  12. South African Journal of Geomatics, Vol. 4, No. 3, August 2015 ...

    African Journals Online (AJOL)

    EEUSER

    This research outlines a methodology of GIS analysis for Informal ... all households have facilities like toilets, running water and proper refuse ..... Decision Support System for Planning Wind Farms in Tuscany (Italy)',Renewable Energy, Vol.

  13. Index to Nuclear Safety: a technical progress review by chronology, permuted title, and author. Vol. 11(1)--Vol. 18(6)

    Energy Technology Data Exchange (ETDEWEB)

    Cottrell, W.B.; Klein, A.

    1978-04-11

    This index to Nuclear Safety covers articles published in Nuclear Safety, Vol. 11, No. 1 (January-February 1970), through Vol. 18, No. 6 (November-December 1977). It is divided into three sections: a chronological list of articles (including abstracts) followed by a permuted-title (KWIC) index and an author index. Nuclear Safety, a bimonthly technical progress review prepared by the Nuclear Safety Information Center (NSIC), covers all safety aspects of nuclear power reactors and associated facilities. Over 450 technical articles published in Nuclear Safety in the last eight years are listed in this index.

  14. Index to Nuclear Safety. A technical progress review by chronology, permuted title, and author. Vol 11, No. 1 through Vol. 16, No. 6

    Energy Technology Data Exchange (ETDEWEB)

    Cottrell, W.B.; Klein, A.

    1976-04-01

    This index to Nuclear Safety covers articles in Nuclear Safety Vol. 11, No. 1 (Jan.-Feb. 1970) through Vol. 16, No. 6 (Nov.-Dec. 1975). Included in the index is a chronological list of articles (including abstract) followed by both a KWIC index and an Author Index. Nuclear Safety is a bimonthly technical progress review prepared by the Nuclear Safety Information Center and covers all safety aspects of nuclear power reactors and associated facilities. The index lists over 300 technical articles in the last six years of publication.

  15. Reseña: Critical Studies on Corporate Responsibility, Governance and Sustainability, Vol. 4 y 6

    Directory of Open Access Journals (Sweden)

    Adrián Zicari

    2014-10-01

    Full Text Available Corporate Social Irresponsibility: A Challenging Concept. Series: Critical Studies on Corporate Responsibility, Governance and Sustainability, Vol. 4. Ralph Tench, William Sun and Brian Jones, 2012, Emerald Group Publishing Limited, 315 pages. Communicating Corporate Social Responsibility Perspectives and Practice. Series: Critical Studies on Corporate Responsibility, Governance and Sustainability, Vol. 6. Ralph Tench, William Sun and Brian Jones, 2014, Emerald Group Publishing Limited, 456 pages

  16. Structural basis for transcription regulation by alarmone ppGpp.

    Science.gov (United States)

    Artsimovitch, Irina; Patlan, Vsevolod; Sekine, Shun-ichi; Vassylyeva, Marina N; Hosaka, Takeshi; Ochi, Kozo; Yokoyama, Shigeyuki; Vassylyev, Dmitry G

    2004-04-30

    Guanosine-tetraphosphate (ppGpp) is a major regulator of stringent control, an adaptive response of bacteria to amino acid starvation. The 2.7 A resolution structure of the Thermus thermophilus RNA polymerase (RNAP) holoenzyme in complex with ppGpp reveals that ppGpp binds to the same site near the active center in both independent RNAP molecules in the crystal but in strikingly distinct orientations. Binding is symmetrical with respect to the two diphosphates of ppGpp and is relaxed with respect to the orientation of the nucleotide base. Different modes of ppGpp binding are coupled with asymmetry of the active site configurations. The results suggest that base pairing of ppGpp with cytosines in the nontemplate DNA strand might be an essential component of transcription control by ppGpp. We present experimental evidence highlighting the importance of base-specific contacts between ppGpp and specific cytosine residues during both transcription initiation and elongation.

  17. Rapidity dependence of particle densities in pp and AA collisions

    CERN Document Server

    Bautista, Irais; Milhano, Jose Guilherme; Dias de Deus, Jorge

    2012-01-01

    We use multiple scattering and energy conservation arguments to describe $dn/d\\eta_{NANA}$ as a function of $dn/d\\eta_{pp}$ in the framework of string percolation. We discuss the pseudo-rapidity $\\eta$? and beam rapidity Y dependence of particle densities. We present our results for pp, Au- Au, and Pb-Pb collisions at RHIC and LHC.

  18. Editor's welcome, PORTAL, Vol. 3, No. 1, January 2006

    Directory of Open Access Journals (Sweden)

    Paul Allatson

    2006-02-01

    Full Text Available Welcome to the first appearance of PORTAL for 2006 (vol. 3, no. 1, a special issue entitled ‘Other Worlds’ guest edited by James Goodman and Christina Ho from the Faculty of Humanities and Social Sciences, University of Technology Sydney (UTS. The papers collected in this special issue focus on what the guest editors call “the transformative power of social movements” that respond to the processes and discourses of globalization and globalism by generating alternative sites and spaces of agency, or ‘other worlds.’ The contributors to the issue originally presented papers at a conference held in April 2005 in Sydney, with the title ‘Other Worlds: Social Movements and the Making of Alternatives.’ That conference was organized by the Research Initiative on International Activism at UTS, and supported by the Research Committee on Social Movements and Collective Action of the International Sociological Association. The Editorial Committee of PORTAL would like to thank both institutions for their support of the event that led to this special issue. I would also like to thank Wayne Peake, Kate Barclay, and Murray Pratt for their editorial efforts in seeing this issue through to publication. The Editorial Committee is pleased to showcase in the Cultural Works Section a short meditative piece by local writer Joel Scott, who is currently undertaking studies in Pamplona, Spain. When considered in the context of the special issue’s discussions of ‘other worlds’ that precede it, Scott’s ‘God, We’re Not Immigrants! A Reflection on Moving and Staying,’ provides an evocative insight into the sociocultural and imaginative limits that may preclude the construction of alternative ‘worlds.’

  19. Noether gauge symmetry classes for pp-wave spacetimes

    CERN Document Server

    Camci, U

    2016-01-01

    The Noether gauge symmetries of geodesic Lagrangian for the pp-wave spacetimes are determined in each of the Noether gauge symmetry classes of the pp-wave spacetimes. It is shown that a type N pp-wave spacetime can admit at most three Noether gauge symmetry, and furthermore the number of Noether gauge symmetries turn out to be four, five, six, seven and eight. We found that all conformally flat plane wave spacetimes admit the maximal, i.e. ten, Noether gauge symmetry. Also it is found that if the pp-wave spacetime is non-conformally flat plane wave, then the number of Noether gauge symmetry is nine or ten. By means of the obtained Noether constants the search of the exact solutions of the geodesic equations for the pp-wave spacetimes is considered and we found new exact solutions of the geodesic equations in some special Noether gauge symmetry classes.

  20. /bar p/p collider physics

    Energy Technology Data Exchange (ETDEWEB)

    Green, D.

    1989-03-01

    This note encompasses a set of six lectures given at the summer school held at Campos Do Jordao in January of 1989 near Sao Paulo, Brazil. The intent of the lectures was to describe the physics of /bar p/p at CERN and Fermilab. Particular attention has been paid to making a self contained presentation to a prospective audience of graduate students. Since large Monte Carlo codes might not be available to all members of this audience, great reliance was placed on ''back of the envelope estimates.'' Emphasis was also placed on experimental data rather than theoretical speculation, since predictions for, for example, supersymmetric particle production are easily obtained by transcription of formulae already obtained. 9 refs., 67 figs., 2 tabs.

  1. Strangeness Production in AA and pp Collisions

    CERN Document Server

    Satz, P Castorina ad H

    2016-01-01

    Boost-invariant hadron production in high energy collisions occurs in causally disconnected regions of finite space-time size. As a result, globally conserved quantum numbers (charge, strangeness, baryon number) are conserved locally in spatially restricted correlation clusters. Their size is determined by two time scales: the equilibration time specifying the formation of a quark-gluon plasma, and the hadronization time, specifying the onset of confinement. The expected values for these scales provide the theoretical basis for the suppression observed for strangeness production in elementary interactions ($pp$, $e^+e^-$) below LHC energies. In contrast, the space-time superposition of individual collisions in high energy heavy ion interactions leads to higher energy densities, resulting in much later hadronization and hence much larger hadronization volumes. This largely removes the causality constraints and results in an ideal hadronic resonance gas in full chemical equilibrium. In the present paper, we det...

  2. PR65A phosphorylation regulates PP2A complex signaling.

    Directory of Open Access Journals (Sweden)

    Kumar Kotlo

    Full Text Available Serine-threonine Protein phosphatase 2 A (PP2A, a member of the PPP family of phosphatases, regulates a variety of essential cellular processes, including cell-cycling, DNA replication, transcription, translation, and secondary signaling pathways. In the heart, increased PP2A activity/signaling has been linked to cardiac remodeling, contractile dysfunction and, in failure, arrythmogenicity. The core PP2A complex is a hetero-trimeric holoenzyme consisting of a 36 kDa catalytic subunit (PP2Ac; a regulatory scaffold subunit of 65 kDa (PR65A or PP2Aa; and one of at least 18 associated variable regulatory proteins (B subunits classified into 3 families. In the present study, three in vivo sites of phosphorylation in cardiac PR65A are identified (S303, T268, S314. Using HEK cells transfected with recombinant forms of PR65A with phosphomimetic (P-PR65A and non-phosphorylated (N-PR65A amino acid substitutions at these sites, these phosphorylations were shown to inhibit the interaction of PR65A with PP2Ac and PP2A holoenzyme signaling. Forty-seven phospho-proteins were increased in abundance in HEK cells transfected with P-PR65A versus N-PR65A by phospho-protein profiling using 2D-DIGE analysis on phospho-enriched whole cell protein extracts. Among these proteins were elongation factor 1α (EF1A, elongation factor 2, heat shock protein 60 (HSP60, NADPH-dehydrogenase 1 alpha sub complex, annexin A, and PR65A. Compared to controls, failing hearts from the Dahl rat had less phosphorylated PR65A protein abundance and increased PP2A activity. Thus, PR65A phosphorylation is an in vivo mechanism for regulation of the PP2A signaling complex and increased PP2A activity in heart failure.

  3. Electron spin resonance studies on PS, PP and PS/PP blends under gamma irradiation

    Energy Technology Data Exchange (ETDEWEB)

    Reyes, Jacobo E-mail: reyesj@camelot.rect.ucv.ve; Albano, Carmen E-mail: calbano@ivic.vealbanoc@camelot.rect.ucv.ve; Claro, Marjorie; Moronta, Delfin

    2003-06-01

    Electron spin resonance studies on polystyrene (PS), polypropylene (PP) and on 80/20 PS/PP blends with and without compatibilizer (block SBS), at 7.5 wt%, irradiated with gamma rays from a {sup 60}Co source at a dose rate of 4.8 kGy/h and at integral irradiation doses of 10, 25, 50, 60, 70, 400, 800 and 1300 kGy in the presence of air and at room temperature are reported. Dependence of resonance line width, Hpp, resonance line shapes, K, and resonance line intensity, Ipp, on the integral dose of irradiation is investigated. Nature of free radicals after 10 days of air storage is discussed.

  4. Study on 'soft' and 'hard' interactions in (-p)p (pp) collisions using HIJING and PYTHIA

    Institute of Scientific and Technical Information of China (English)

    Zhang Yi-Fei; Huang Sheng-Li; Zhang Zi-Ping; Wu Jian

    2007-01-01

    This paper presents a study on 'hard' and 'soft' interactions in (-p)p (pp) collisions using a phenomenological model of HIJING, the jet-cone reconstruction method is employed to select the 'hard' and 'soft' event sub-samples from minimum bias events. It is found that the HIJING model can reproduce the energy scaling behaviour of mean transverse momentum (〈pT〉) distributions of charged hadrons versus multiplicity (Nch) in 'soft' events. From the PYTHIA simulation comparing with the HIJING model, the enhancement of the kaon and proton yields from 'hard'interactions comparing with 'soft' interactions is observed to be due to the mini-jets effect. These mechanisms responsible for the increase of charged hadron's 〈pT〉 are different in 'soft' and 'hard' interactions.

  5. Chiral Perturbation Theory and the $pp \\to pp \\pi^0$ Reaction Near Threshold

    CERN Document Server

    Sato, T; Myhrer, F; Kubodera, K

    1997-01-01

    A chiral-perturbative consideration of the near-threshold pp -> pp pi0 reaction indicates that the pion-rescattering term has a substantial energy and momentum dependence. The existing calculations that incorporate this dependence give pion rescattering contributions significantly larger than those of the conventional treatment, and this enhanced rescattering term interferes destructively with the one-body impulse term, leading to theoretical cross sections that are much smaller than the observed values. However, since the existing calculations are based on coordinate-space representation, they involve a number of simplifying assumptions about the energy-momentum flow in the rescattering diagram, even though the delicate interplay between the one-body and two-body terms makes it desirable to avoid these kinematical assumptions. We carry out here a momentum-space calculation that retains the energy-momentum dependence of the vertices as predicted by chiral perturbation theory. Our improved treatment increases ...

  6. Interrelationships of morphology, thermal and mechanical properties in uncrosslinked and dynamically crosslinked PP/EOC and PP/EPDM blends

    Directory of Open Access Journals (Sweden)

    2010-04-01

    Full Text Available Thermoplastic vulcanizates (TPVs based on polypropylene (PP with ethylene octene copolymer (EOC and ethylene propylene diene rubber (EPDM have been developed by coagent assisted dicumyl peroxide crosslinking system. The study was pursued to explore the influence of two dissimilar polyolefin polymers (EOC and EPDM having different molecular architectures on the state and mode of dispersion of the blend components and their effects with special reference to morphological, thermal and mechanical characteristics. The effects of dynamic crosslinking of the PP/EOC and PP/EPDM have been compared by varying the concentration of crosslinking agent and ratio of blend components. The results suggested that the uncrosslinked and dynamically crosslinked blends of PP/EOC exhibit superior mechanical properties over PP/EPDM blends. From the hystersis experiments it was found that PP/EOC blends also perform better fatigue properties over PP/EPDM based blends. It was demonstrated that, the origin of the improved mechanical properties of EOC based blends is due to the combined effect of the unique molecular architecture with the presence of smaller crystals and better interfacial interaction of EOC phase with PP as supported by the results of thermal and fatigue analyses.

  7. The PP2A inhibitor I2PP2A is essential for sister chromatid segregation in oocyte meiosis II.

    Science.gov (United States)

    Chambon, Jean-Philippe; Touati, Sandra A; Berneau, Stéphane; Cladière, Damien; Hebras, Céline; Groeme, Rachel; McDougall, Alex; Wassmann, Katja

    2013-03-18

    Haploid gametes are generated through two consecutive meiotic divisions, with the segregation of chromosome pairs in meiosis I and sister chromatids in meiosis II. Separase-mediated stepwise removal of cohesion, first from chromosome arms and later from the centromere region, is a prerequisite for maintaining sister chromatids together until their separation in meiosis II [1]. In all model organisms, centromeric cohesin is protected from separase-dependent removal in meiosis I through the activity of PP2A-B56 phosphatase, which is recruited to centromeres by shugoshin/MEI-S332 (Sgo) [2-5]. How this protection of centromeric cohesin is removed in meiosis II is not entirely clear; we find that all the PP2A subunits remain colocalized with the cohesin subunit Rec8 at the centromere of metaphase II chromosomes. Here, we show that sister chromatid separation in oocytes depends on a PP2A inhibitor, namely I2PP2A. I2PP2A colocalizes with the PP2A enzyme at centromeres at metaphase II, independently of bipolar attachment. When I2PP2A is depleted, sister chromatids fail to segregate during meiosis II. Our findings demonstrate that in oocytes I2PP2A is essential for faithful sister chromatid segregation by mediating deprotection of centromeric cohesin in meiosis II. Copyright © 2013 Elsevier Ltd. All rights reserved.

  8. Abaca fibre reinforced PP composites and comparison with jute and flax fibre PP composites

    Directory of Open Access Journals (Sweden)

    2007-11-01

    Full Text Available Abaca fibre reinforced PP composites were fabricated with different fibre loadings (20, 30, 40, 50wt% and in some cases 35 and 45 wt%. Flax and jute fibre reinforced PP composites were also fabricated with 30 wt% fibre loading. The mechanical properties, odour emission and structure properties were investigated for those composites. Tensile, flexural and Charpy impact strengths were found to increase for fibre loadings up to 40 wt% and then decreased. Falling weight impact tests were also carried out and the same tendency was observed. Owing to the addition of coupling agent (maleated polypropylene -MAH-PP, the tensile, flexural and falling weight impact properties were found to increase in between 30 to 80% for different fibre loadings. When comparing jute and flax fibre composites with abaca fibre composites, jute fibre composites provided best tensile properties but abaca fibre polypropylene composites were shown to provide best notch Charpy and falling weight impact properties. Odours released by flax fibre composites were smaller than jute and abaca fibre composites.

  9. Wizlaw III og minnesangen

    DEFF Research Database (Denmark)

    Pontoppidan, Maria

    2012-01-01

    Artikel om den sidste slaviske Rügenfyrste, Wizlaw III (1265/68-1325), der traditionelt har været identificeret med minnesangeren Wizlaw den Unge. Om de bevarede sange og om minnesangens rolle ved det rügenske fyrstehof.......Artikel om den sidste slaviske Rügenfyrste, Wizlaw III (1265/68-1325), der traditionelt har været identificeret med minnesangeren Wizlaw den Unge. Om de bevarede sange og om minnesangens rolle ved det rügenske fyrstehof....

  10. III-V microelectronics

    CERN Document Server

    Nougier, JP

    1991-01-01

    As is well known, Silicon widely dominates the market of semiconductor devices and circuits, and in particular is well suited for Ultra Large Scale Integration processes. However, a number of III-V compound semiconductor devices and circuits have recently been built, and the contributions in this volume are devoted to those types of materials, which offer a number of interesting properties. Taking into account the great variety of problems encountered and of their mutual correlations when fabricating a circuit or even a device, most of the aspects of III-V microelectronics, from fundamental p

  11. (p)ppGpp and the bacterial cell cycle

    Indian Academy of Sciences (India)

    Aanisa Nazir; Rajendran Harinarayanan

    2016-06-01

    Genes of the Rel/Spo homolog (RSH) superfamily synthesize and/or hydrolyse the modified nucleotides pppGpp/ppGpp (collectively referred to as (p)ppGpp) and are prevalent across diverse bacteria and in plant chloroplasts. Bacteria accumulate (p)ppGpp in response to nutrient deprivation (generically called the stringent response) and elicit appropriate adaptive responses mainly through the regulation of transcription. Although at different concentrations (p)ppGpp affect the expression of distinct set of genes, the two well-characterized responses are reduction in expression of the protein synthesis machinery and increase in the expression of genes coding for amino acid biosynthesis. In Escherichia coli, the cellular (p)ppGpp level inversely correlates with the growth rate and increasing its concentration decreases the steady state growth rate in a defined growth medium. Since change in growth rate must be accompanied by changes in cell cycle parameters set through the activities of the DNA replication and cell division apparatus, (p)ppGpp could coordinate protein synthesis (cell mass increase) with these processes. Here we review the role of (p)ppGpp in bacterial cell cycle regulation.

  12. ALA-induced PpIX fluorescence in epileptogenic tissue

    Science.gov (United States)

    Kleen, Jonathan K.; Valdes, Pablo A.; Harris, Brent T.; Holmes, Gregory L.; Paulsen, Keith D.; Roberts, David W.

    2011-03-01

    Astrogliotic tissue displays markedly increased levels of ALA-induced PpIX fluorescence, making it useful for fluorescence-guided resection in glioma surgery. In patients with temporal lobe epilepsy (TLE) and corresponding animal models, there are areas of astrogliosis that often co-localize with the epileptic focus, which can be resected to eliminate seizures in the majority of treated patients. If this epileptogenic tissue can exhibit PpIX fluorescence that is sufficiently localized, it could potentially help identify margins in epilepsy surgery. We tested the hypothesis that ALA-induced PpIX fluorescence could visually accentuate epileptogenic tissue, using an established animal model of chronic TLE. An acute dose of pilocarpine was used to induce chronic seizure activity in a rat. This rat and a normal control were given ALA, euthanized, and brains examined post-mortem for PpIX fluorescence and neuropathology. Preliminary evidence indicates increased PpIX fluorescence in areas associated with chronic epileptic changes and seizure generation in TLE, including the hippocampus and parahippocampal areas. In addition, strong PpIX fluorescence was clearly observed in layer II of the piriform cortex, a region known for epileptic reorganization and involvement in the generation of seizures in animal studies. We are further investigating whether ALA-induced PpIX fluorescence can consistently identify epileptogenic zones, which could warrant the extension of this technique to clinical studies for use as an adjuvant guidance technology in the resection of epileptic tissue.

  13. The magic dance of the alarmones (p)ppGpp.

    Science.gov (United States)

    Steinchen, Wieland; Bange, Gert

    2016-08-01

    The alarmones (p)ppGpp are important second messengers that orchestrate pleiotropic adaptations of bacteria and plant chloroplasts in response to starvation and stress. Here, we review our structural and mechanistic knowledge on (p)ppGpp metabolism including their synthesis, degradation and interconversion by a highly diverse set of enzymes. Increasing structural information shows how (p)ppGpp interacts with an incredibly diverse set of different targets that are essential for replication, transcription, translation, ribosome assembly and metabolism. This raises the question how the chemically rather simple (p)ppGpp is able to interact with these different targets? Structural analysis shows that the diversity of (p)ppGpp interaction with cellular targets critically relies on the conformational flexibility of the 3' and 5' phosphate moieties allowing alarmones to efficiently modulate the activity of target structures in a broad concentration range. Current approaches in the design of (p)ppGpp-analogs as future antibiotics might be aided by the comprehension of conformational flexibility exhibited by the magic dancers (p)ppGpp.

  14. (p)ppGpp and the bacterial cell cycle.

    Science.gov (United States)

    Nazir, Aanisa; Harinarayanan, Rajendran

    2016-06-01

    Genes of the Rel/Spo homolog (RSH) superfamily synthesize and/or hydrolyse the modified nucleotides pppGpp/ ppGpp (collectively referred to as (p)ppGpp) and are prevalent across diverse bacteria and in plant chloroplasts. Bacteria accumulate (p)ppGpp in response to nutrient deprivation (generically called the stringent response) and elicit appropriate adaptive responses mainly through the regulation of transcription. Although at different concentrations (p)ppGpp affect the expression of distinct set of genes, the two well-characterized responses are reduction in expression of the protein synthesis machinery and increase in the expression of genes coding for amino acid biosynthesis. In Escherichia coli, the cellular (p)ppGpp level inversely correlates with the growth rate and increasing its concentration decreases the steady state growth rate in a defined growth medium. Since change in growth rate must be accompanied by changes in cell cycle parameters set through the activities of the DNA replication and cell division apparatus, (p)ppGpp could coordinate protein synthesis (cell mass increase) with these processes. Here we review the role of (p)ppGpp in bacterial cell cycle regulation.

  15. Some nonlinear parameters of PP intervals of pulse main peaks

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    The PP intervals of pulse main peaks from healthy and unhealthy people (arrhythmia) have different nonlinear characteristics. In this paper, the extraction of PP intervals of pulse main peaks is achieved by picking up P peaks of pulse wave with wavelet transform. Furthermore, several nonlinear parameters (correlative dimensions, maximum Lyapunov exponents, complexity and approximate entropy) of the PP intervals of pulse main peaks extracted from normal and unhealthy pulse signals are calculated, with the results showing that these nonlinear parameters calculated from the main wave interval signals are helpful for analyzing human's health state and diagnosing heart diseases.

  16. EMODnet Physical Parameters (EMODNet PP) Portal

    Science.gov (United States)

    Novellino, A.; Schaap, D.; Manzella, G. M. R.; Pouliquen, S.; Gorringe, P.

    2012-04-01

    In December 2007 the European Parliament and Council adopted a common text for the Marine Strategy Framework Directive which aims to achieve environmentally healthy marine waters by 2020. This Directive includes an initiative for an overarching European Marine Observation and Data Network (EMODNet). During the one-year consultation phase that followed the release of the EU Green Paper on a Future Maritime Policy for the European Union, stakeholders gave an overwhelming positive response. Facilitating access to high quality marine data will resolve difficulties and stimulate an expansion of value-added public and commercial services, lay the foundations for sound governance and reduce uncertainties on human impact on the planet as well as of forecasts relating to the future state of the marine environment. Better and linked marine data will have an immediate impact on the planning of environmental policy and mitigation measures, and will also facilitate impact assessments and scientific work. The overall objectives of the EMODnet Physical Parameters (EMODNet PP) preparatory action is to provide access to archived and near real-time data on physical conditions in Europe's seas and oceans by means of a dedicated Pilot Portal and to determine how well the data meet the needs of users from industry, public authorities and scientists. The latter implicates that it is also an objective to identify data gaps and arguments why these gaps should be filled in future monitoring. This project will contribute towards the definition of an operational European Marine Observation and Data Network (EMODnet). This is done done by: 1. providing through a portal: a. access to marine data from measurement stations and ferryboxes. Both near real-time and archived data of time series are to be made available. b. metadata for these data sets using EMODnet/INSPIRE standards. c. metadata maps and overviews for whole sea-basins showing the availability of data and monitoring intensity of that

  17. Erratum: Measurements of prompt charm production cross-sections in pp collisions at root s = 13 TeV (vol 03, 159, 2016)

    NARCIS (Netherlands)

    Aaij, R.; Dufour, L.; Mulder, M; Onderwater, C. J. G.; Pellegrino, A.; Tolk, S.

    2017-01-01

    C. Baesso, M. Cruz Torres, C. Göbel, J. Molina Rodriguez are associated to Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil Y. Xie, J. Yu are associated to Center for High Energy Physics, Tsinghua University, Beijing, China D. A. Milanes, I. A. Monroy, J. A. Rodriguez Lopez are

  18. Photonics and Web Engineering 2011, International Journal of Electronics and Telecommunication, vol.57, no 3, pp.421-428, September 2011

    CERN Document Server

    Romaniuk, R S

    2011-01-01

    The paper presents a digest of chosen technical work results shown by young researchers from different technical universities in this country during the SPIE-IEEE Wilga 2011 symposium on Photonics and Web Engineering. Topical tracks of the symposium embraced, among others, nanomaterials and nanotechnologies for photonics and telecom, sensory and nonlinear optical fibers, object oriented design of hardware, photonic metrology, optoelectronics and photonics applications, photonicselectronics co-design, optoelectronic and electronic systems for telecom, astronomy and high energy physics experiments, JET and pi-of-the sky experiments development. The symposium is an annual summary in the development of numerable Ph.D. theses carried out in this country in the area of advanced electronic and photonic systems. It is also an occasion for young researchers to meet together in a large group (under the patronage of IEEE) spanning the whole country with guests from this part of Europe. A digest of Wilga references is pr...

  19. Quaderni di filologia e lingue romanze, Ricerche svolte nell'Università di Macerata, Terza serie, vol. 17; Macerata 2002, 414 pp.

    Directory of Open Access Journals (Sweden)

    Pavao Tekavčić

    2004-12-01

    15. Silvia Salvucci, recensione di: Christiane Roederer, La veilleuse de chagrin, Strasbourg, La Nuée Bleue, 2002; 408-409; Indice, 411-414. Come finora, la nostra recensione si concentra sui contributi di argomento linguistico e filologico, presentando gli altri in modo sommario.

  20. Development of Optical Fiber Technology in Poland, International Journal of Electronics and Telecommunication, vol. 57, no 2, pp.191-197, July 2011

    CERN Document Server

    Dorosz, J

    2011-01-01

    In this paper, the authors, chairmen of the 13th Conference on Optical Fibers and Their Applications OFA2011, and editors of the conference proceedings summarize the development of optical fiber technology in Poland (during the period of 2009- 2011) on the basis of papers presented there and consecutively published in this volume. The digest is thus not full but covers the periodically presented material every 18 months during the meetings on optical fibers in Białystok-Białowie˙za and Lublin- Krasnobród. OFC systems are developed for HEP experiments and accelerators. OFC systems are also developed for virtual atomic clocks. EuCARD information presentation was organized during this meeting. Keywords— optical fibers, optical communication systems, photonic sources and detectors, photonic sensors, integrated optics, photonics applications, photonic materials.

  1. Nikitin et al, ;Methane high-temperature partition function from contact transformations and variational calculations;, Journal of Quantitative Spectroscopy & Radiative Transfer Vol 167 (2015) pp. 53-63

    Science.gov (United States)

    Nikitin, A. V.; Krishna, B. M.; Rey, M.; Tashkun, S. A.; Tyuterev, Vl. G.

    2017-09-01

    Table 4 of Ref [1] did not contain enough digits to reproduce the fitted Q(T) values for practical applications. The corrected table is given below. This does not affect other Tables and Figures or the conclusions of [1].

  2. Synthesis of PP-g-MA as compatibilizer for PP/PLA biocomposites: Thermal, mechanical and biodegradability properties

    Science.gov (United States)

    Ghozali, Muhammad; Rohmah, Elfi Nur

    2017-01-01

    A synthesis of polypropylene-graft-maleic anhydride (PP-g-MA) with benzoyl peroxide (BPO) as an initiator has been conducted in a stainless-steel reactor at 120°C for 1 hours. The composition of maleic anhydride (MA) was varied between 10-40 phr, whereas BPO was between 0.5-2.0 phr. The grafting degree (GD) was determined by calculating the MA monomer grafted into polypropylene (PP). Fourier Transform Infrared (FTIR) analysis was performed to study the functional group in the copolymer PP-g-MA. The result shows that the highest GD of 11.85% was obtained when the use of MA and BPO are 40 phr and 1 phr, respectively. PP/PLA biocomposites have been manufactured by adding polypropylene (PP), polylactic acid (PLA) and PP-g-MA as compatibilizer into rheomix at a temperature of 200-210°C with a stirring speed of 25 rpm for 7-10 minutes. PP/PLA biocomposites were varied at a ratio of 0/100, 20/80, 40/60, 60/40, 80/20 and 100/0. Fourier Transform Infrared (FTIR), Ultimate Testing Machine (UTM), Thermogravimetric Analysis (TGA) and biodegradation analysis were performed to determine the functional groups, thermal stability, tensile strength and the biodegradability level of PP/PLA biocomposites, respectively. Thermal and mechanical analysis results indicate that the addition of PLA into PP/PLA biocomposites can reduce the thermal stability and mechanical properties, however the biodegradability is increased.

  3. UHMWPE/PP-X/PP共混物滑动摩擦性能研究%STUDY ON SLIDING WEAR PROPERTIES OF UHMWPE/PP-X/PP BLENDS

    Institute of Scientific and Technical Information of China (English)

    周勇; 蔡松; 梁兵

    2008-01-01

    采用自制的交联聚丙烯(PP-X)与超高分子量聚乙烯(UHMWPE)、聚丙烯(PP)共混,对共混物的力学性能和滑动摩擦性能进行了研究.结果表明,在力学性能改变不大的情况下,当UHMWPE/PP-X/PP的质量比为80/20/10时,共混物的磨痕宽度为5.69 mm,摩擦系数为0.125,比纯UHMWPE的磨痕宽度、摩擦系数分别下降了21.73%和39.90%,比UHMWPE)/PP(100/10)共混物分别下降了2.0%和18.83%.扫描电子显微镜照片显示,在UHMWPE的磨损表面存在严重的刮痕、裂纹及磨屑,而在UHMWPE/PP-X/PP共混物的磨损表面却很少发现上述现象.

  4. Study on Mechanical Properties of PP/POE Blends%PP/POE共混物力学性能研究

    Institute of Scientific and Technical Information of China (English)

    梁基照; 马文勇

    2010-01-01

    用双螺杆挤出机制备了聚丙烯(PP)/聚烯烃弹性体(POE)共混物,研究了POE用量对PP/POE共混物冲击性能、拉伸性能及弯曲性能的影响.结果表明:随着POE含量的增加,PP/POE共混物的冲击强度明显提高;拉伸强度及拉伸模量、弯曲强度及弯曲模量、断裂伸长率及断裂强度均减小.

  5. Search for a bound K− pp system

    Directory of Open Access Journals (Sweden)

    Camerini P.

    2010-04-01

    Full Text Available Data from the K− absorption reaction on 6,7Li, 9Be, 13C and 16O have recently been collected by FINUDA at the DAΦNE φ-factory (Laboratori Nazionali di Frascati-INFN, following an earlier lower statitics run on 12C and some other targets. FINUDA is a high acceptance magnetic spectrometer which performed a wide range of studies by detecting the charged particles and neutrons exiting the targets after the absorption event. In this paper it is discussed about the study of the A(K− , Λp reaction in the context of the search for deeply bound $ar{K}$ - nuclear states. The observation of a bump in the Λp invariant mass distribution is discussed in terms of a possible signature of a deeply bound K− pp kaonic cluster as well as of more conventional physics. An overview of the experimental situation in this field will be given.

  6. New physics, the cosmic ray spectrum knee, and $pp$ cross section measurements

    CERN Document Server

    Dixit, Aparna; McKay, Douglas W; Mukherjee, Parama

    2009-01-01

    We model new physics modifications to the total proton-proton cross section with an incoherent term that allows for missing energy above the scale of new physics. We explore the possibility that the new physics interaction alone can provide an explanation for the knee just above $10^6$ GeV in the cosmic ray spectrum. We add the constraint that the new physics must also be consistent with published $pp$ cross section measurements an order of magnitude and more above the knee. Allowing for the necessary rescaling of the cross section data in the light of the new physics, we find parameter ranges in several generic models that readily give good quality fits to recently published Tibet III spectrum analysis and to the rescaled direct cross section measurements. The rise in cross section required at energies above the knee is radical. Even before reaching design energy, the Large Hadron Collider can test this picture with total cross section measurements.

  7. Overview of ALICE results in pp, pA and AA collisions arXiv

    CERN Document Server

    Schicker, R.

    The ALICE experiment at the Large Hadron Collider (LHC) at CERN is optimized for recording events in the very large particle multiplicity environment of heavy-ion collisions at LHC energies. The ALICE collaboration has taken data in Pb-Pb collisions in Run I and Run II at nucleon-nucleon center-of-mass energies $\\sqrt{s_{\\text{NN}}}$ = 2.76 and \\mbox{5.02 TeV}, respectively, and in pp collisions at center-of-mass energies $\\sqrt{s}$ = 0.9, 2.76, 5.02, 7, 8 and 13 TeV. The asymmetric system p-Pb was measured at a center-of-mass energy $\\sqrt{s_{\\text{NN}}}$ = 5.02 TeV. Selected physics results from the analysis of these data are presented, and an outline of the ALICE prospects for Run III is given.

  8. PP/POE/PE/CaCO3/PP-g-MAH复合材料力学性能的研究%Study on the Mechanical Properties of PP/POE/PE/CaCO3/PP-g-MAH Composite

    Institute of Scientific and Technical Information of China (English)

    赵伟; 王丽

    2009-01-01

    采用熔融共混法制备聚丙烯,聚烯烃弹性体/聚乙烯/马来酸酐接枝聚丙烯(PP/POE/PE/CaCO3/PP-g-MAH)复合材料,并研究其力学性能.结果表明:PP-g-MAH可提高PP与CaCO3的相容性,使复合材料的韧性和拉伸性能得到提高,PE可提高PP与POE的相容性,并有效提高复合材料的韧性,经POE、PE、CaCO3和PP-g-MAH之间的相互协同改性作用可制得综合性能优良的PP复合材料.

  9. Surface treated polypropylene (PP) fibres for reinforced concrete

    Energy Technology Data Exchange (ETDEWEB)

    López-Buendía, Angel M., E-mail: buendia@uv.es [AIDICO Technological Institute of Construction, Benjamin Franklin 17, 46380 Paterna, Valencia (Spain); Romero-Sánchez, María Dolores [AIDICO Technological Institute of Construction, Marble Technical Unit, Camí de Castella 4, 03660 Novelda. Alicante (Spain); Climent, Verónica [Lafarge Cementos, Polígono Sepes, Isaac Newton s/n, 46500 Sagunto, Valencia (Spain); Guillem, Celia [AIDICO Technological Institute of Construction, Marble Technical Unit, Camí de Castella 4, 03660 Novelda. Alicante (Spain)

    2013-12-15

    Surface treatments on a polypropylene (PP) fibre have contributed to the improvement of fibre/concrete adhesion in fibre-reinforced concrete. The treatments to the PP fibre were characterized by contact angle measurements, ATR-IR and XPS to analyse chemical alterations. The surface topography and fibre/concrete interaction were analysed by several microscopic techniques, namely optical petrographic, and scanning electron microscopy. Treatment modified the surface chemistry and topography of the fibre by introducing sodium moieties and created additional fibre surface roughness. Modifications in the fibre surface led to an increase in the adhesion properties between the treated fibres and concrete and an improvement in the mechanical properties of the fibre-reinforced concrete composite as compared to the concrete containing untreated PP fibres. Compatibility with the concrete and increased roughness and mineral surface was also improved by nucleated portlandite and ettringite mineral association anchored on the alkaline PP fibre surface, which is induced during treatment.

  10. Study on Dynamic Vulcanized EPDM/PP Thermoplastic Elastomer

    Institute of Scientific and Technical Information of China (English)

    YANG ShiYuan

    2001-01-01

    @@ Based upon the THE,HAAK RHEOCORD 90 and Wx-ray observation,a study was made on the structure and property of ethylene-propylene-ethlidene norborene (EPDM)/polyprolene (PP) blending systems ,and the experimental results were fully explained. (1) The effect of Mooney viscosity (ML)of EPDM、 melt flow rate(MFR) of peroxide(DCP) and mixing steps on mechanical properties of EPDM/PP blends was studied. The results showed that the mechanical and process properties of EPDM?PP thermoplastic elastomers were better using EPDM with the ML of 60 and PP with MFR of 7.5g/10min as matrix,DCP with the content of 1.2 per cent with the help of twostep curing process at the temperature of 170-175 ℃.

  11. Study on Dynamic Vulcanized EPDM/PP Thermoplastic Elastomer

    Institute of Scientific and Technical Information of China (English)

    YANG; ShiYuan

    2001-01-01

    Based upon the THE,HAAK RHEOCORD 90 and Wx-ray observation,a study was made on the structure and property of ethylene-propylene-ethlidene norborene (EPDM)/polyprolene (PP) blending systems ,and the experimental results were fully explained.  (1) The effect of Mooney viscosity (ML)of EPDM、 melt flow rate(MFR) of peroxide(DCP) and mixing steps on mechanical properties of EPDM/PP blends was studied. The results showed that the mechanical and process properties of EPDM?PP thermoplastic elastomers were better using EPDM with the ML of 60 and PP with MFR of 7.5g/10min as matrix,DCP with the content of 1.2 per cent with the help of twostep curing process at the temperature of 170-175 ℃.……

  12. Occupational Survey Report. Volume III. Programming Specialty, AFS 511X1.

    Science.gov (United States)

    1980-05-01

    ROGRAMMING 1SPECIALTY _ ".T\\ I , , ~AFPT 90-511-413 q ’VOLUME III OF III ON -Y 1980’ ’ q -ppT edfor public releaw; is: OCCUPATIONAL ANALYSIS PROGRAM ,"’ USAF...i I..... i l HI I . .. I Ij. ASSISTANT PROGRAMMING NCOICs (GRP308) PERCENT MEMBERS RF,-.N i:\\I’IVF ’ASKS PERFORMING L BEl k k ,,it’FR PROGRkM.S 96...EAVE OR LIBERfY 79 SilON,,, K NCOM ING PERSONNEl. 79 ODIF + UPDATE FXISI’ING COMPUTER PROGRAMS 75 REVIEW ,RA. SPECIFICATIONS 75 PREPARE PFIAl IEi) FLOW

  13. The Role of the Carbohydrate Recognition Domain of Placental Protein 13 (PP13) in Pregnancy Evaluated with Recombinant PP13 and the DelT221 PP13 Variant

    OpenAIRE

    Marei Sammar; Shahar Nisamblatt; Ron Gonen; Berthold Huppertz; Sveinbjorn Gizurarson; George Osol; Hamutal Meiri

    2014-01-01

    Introduction Placental protein 13 (PP13), a placenta specific protein, is reduced in the first trimester of pregnancy in women who subsequently develop preeclampsia. A naturally occurring PP13 deletion of thymidine at position 221 (DelT221 or truncated variant) is associated with increased frequency of severe preeclampsia. In this study we compared the full length (wildtype) PP13 and the truncated variant. Methods Full length PP13 or its DelT221 variant were cloned, expressed and purified fro...

  14. High p{sub T} jet production in pp collisions

    Energy Technology Data Exchange (ETDEWEB)

    Eskola, K.J. [Univ. of Helsinki (Finland); Wang, X.N. [Lawrence Berkeley Lab., CA (United States)

    1995-07-01

    Production rates of large p{sub T} jets in pp collisions at RHIC and LHC energies are studied using the next-to-leading order calculation of S. D. Ellis, Z. Zunszt and D. Soper. The computed inclusive one-jet cross sections are compared against the CERN and Fermilab jet data from p{bar p} and pp collisions. The dependence of the results on the choice of the parton distributions and renormalization/factorization scales is investigated.

  15. Substituting environmentally relevant flame retardants: assessment fundamentals. Vol. 1: results and summary overview; Erarbeitung von Bewertungsgrundlagen zur Substitution umweltrelevanter Flammschutzmittel. Bd. 1: Ergebnisse und zusammenfassende Uebersicht

    Energy Technology Data Exchange (ETDEWEB)

    Leisewitz, A.; Kruse, H.; Schramm, E.

    2001-04-01

    The study examines the status, trends and alternatives (substitution and reduction potentials) in the use of flame retardants in selected product sectors: construction; electronics and electrical engineering; rail vehicles; textiles/upholstery. In addition, the study characterises thirteen flame retardants in terms of material flows, applications and toxicology/ecotoxicology. Vol. I: Summary overview of flame retardant applications in Germany in 1999/2000; characterisation of 13 flame retardants in terms of substance properties and application-specific characteristics, range of applications and quantities; derivation of assessment fundamentals for flame retardants, focussing on toxicology/ecotoxicology, suitability for closed-loop substance management, and potential for substitution and reduction; summary assessment of 13 flame retardants; summary overview of flame retardant applications. Vol. II: Analysis of flame retardant applications (state of the art, trends, alternatives) in: unsaturated polyester (UP) resins (rail vehicles); polyurethane (PU) insulating foams and one component foams (OCF) (construction sector); plastics for generic uses in electronic and electrical equipment, in casings for electronic and electrical equipment and in printed circuit boards (electronics/electrical engineering); and in upholstery and mattresses (textile applications). Vol. III: Toxicological/ecotoxicological profiles of substances: Decabromodiphenyl oxide; Tetrabromobisphenol A; Bis[pentabromophenyl]ethane; Hexabromocyclodo-decane, Tris[chloropropyl]phosphate, Resorcinol-bis-diphenylphosphate; N-Hydroxymethyl-3-dimethylphosphonopropionamide, Red phosphorus, Ammonium polyphosphate, Melamin cyanurate, Aluminiumtrihydroxide, Sodium borate decahydrate, Antimony trioxide. (orig.) [German] Untersucht werden Stand, Trends und Alternativen (Substitutions- und Minderungspotentiale) beim Einsatz von Flammschutzmitteln (FSM) in ausgewaehlten Produkten aus: Baubereich, Elektrotechnik

  16. Calculus III essentials

    CERN Document Server

    REA, Editors of

    2012-01-01

    REA's Essentials provide quick and easy access to critical information in a variety of different fields, ranging from the most basic to the most advanced. As its name implies, these concise, comprehensive study guides summarize the essentials of the field covered. Essentials are helpful when preparing for exams, doing homework and will remain a lasting reference source for students, teachers, and professionals. Calculus III includes vector analysis, real valued functions, partial differentiation, multiple integrations, vector fields, and infinite series.

  17. MANHATTAN DISTRICT HISTORY PROJECT Y THE LOS ALAMOS PROJECT VOL. I INCEPTION UNTIL AUGUST 1945

    Energy Technology Data Exchange (ETDEWEB)

    Hawkins, D.

    1961-12-01

    THESE TWO VOLUMES CONSTITUTE A RECORD OF THE TECHNICAL, ADMINISTRATIVE , AND POLICY-MAKING ACTIVITIES OF THE LOS ALAMOS PROJECT (PROJECT Y) FROM ITS INCEPTION UNDER THE MANHATTAN DISTRICT THROUGH THE DEVELOPMENT OF THE ATOMIC BOMB (VOL. I), AND DURING THE PERIOD FOLLOWING THE END OF WORLD WAR II UNTIL THE MANHATTAN DISTRICT RELINQUISHED CONTROL TO THE ATOMIC ENERGY COMMISSION AS OF JANUARY 1947 (VOL. II). ALTHOUGH SECURITY REGULATIONS HAVE REQUIRED SOME DELETIONS IN THE ORIGINAL TEXT OF THE TWO VOLUMES, EVERY EFFORT HAS BEEN MADE TO RETAIN THE ORIGINAL LANGUAGE AND EXPRESSIONS OF THE AUTHORS.

  18. Architectures innovantes de systèmes de commandes de vol

    OpenAIRE

    Sghairi Haouati, Manel

    2010-01-01

    L'aboutissement aux Commandes de Vol Électriques (CDVE) des avions civils actuels s'est fait par étapes, après une longue maturation des différentes technologies mises en place. La prochaine étape est l'utilisation de communications intégralement numériques et d'actionneurs intelligents. Cette thèse propose de nouvelles architectures, en rupture avec l'état de l'art, avec de nouvelles répartitions des fonctions intelligentes entre l'avionique centrale (calculateurs de commandes de vols) et l'...

  19. MANHATTAN DISTRICT HISTORY PROJECT Y THE LOS ALAMOS PROJECT VOL. II AUGUST 1945 THROUGH DECEMBER 1946

    Energy Technology Data Exchange (ETDEWEB)

    Truslow, E. C.; Smith, R. C.

    1961-12-01

    THESE TWO VOLUMES CONSTITUTE A RECORD OF THE TECHNICAL, ADMINISTRATIVE , AND POLICY-MAKING ACTIVITIES OF THE LOS ALAMOS PROJECT (PROJECT Y) FROM ITS INCEPTION UNDER THE MANHATTAN DISTRICT THROUGH THE DEVELOPMENT OF THE ATOMIC BOMB (VOL. I), AND DURING THE PERIOD FOLLOWING THE END OF WORLD WAR II UNTIL THE MANHATTAN DISTRICT RELINQUISHED CONTROL TO THE ATOMIC ENERGY COMMISSION AS OF JANUARY 1947 (VOL. II). ALTHOUGH SEC URITY REGULATIONS HAVE REQUIRED SOME DELETIONS IN THE ORIGINAL TEXT OF THE TWO VOLUMES, EVERY EFFORT HAS BEEN MADE TO RETAIN THE ORIGINAL LANGUGAGE AND EXPERSSIONS OF THE AUTHORS.

  20. Differential cross section and analysing power of the pp -> {pp\\}_s pi0 reaction at 353 MeV

    CERN Document Server

    Tsirkov, D; Baru, V; Chiladze, D; Dymov, S; Dzyuba, A; Gebel, R; Goslawski, P; Hanhart, C; Hartmann, M; Kacharava, A; Khoukaz, A; Komarov, V; Kulessa, P; Kulikov, A; Kurbatov, V; Lensky, V; Lorentz, B; Macharashvili, G; Mchedslishvili, D; Mielke, M; Mikirtytchiants, S; Merzliakov, S; Nioradze, M; Ohm, H; Papenbrock, M; Rathmann, F; Serdyuk, V; Shmakova, V; Stroeher, H; Uzikov, Yu; Valdau, Yu; Wilkin, C

    2011-01-01

    In order to establish links between p-wave pion production in nucleon-nucleon collisions and low energy three-nucleon scattering, an extensive programme of experiments on pion production is currently underway at COSY-ANKE. The final proton pair is detected at very low excitation energy, leading to an S-wave diproton, denoted here as {pp}_s. We now report on measurements of the differential cross section and analysing power of the pol{p}p->{pp}_s pi^0$ reaction at 353 MeV. Both observables can be described in terms of s- and d-wave pion production and, by using the phase information from elastic pp scattering, unique solutions can be obtained for the corresponding amplitudes. This information is vital for the partial wave decomposition of the corresponding pn->{pp}_s pi^- reaction and hence for the extraction of the p-wave terms.

  1. PP/clay nanocomposite films for food package; Filmes de nanocomposito PP/argila organofilica para embalagens de alimentos

    Energy Technology Data Exchange (ETDEWEB)

    Araujo, Arthur R.A.; Silva, Suedina M.L., E-mail: suedina@dema.ufcg.ed [Universidade Federal de Campina Grande (UAEMat/UFCG), PB (Brazil). Unidade Academica de Engenharia de Materiais; Andrade, Daniela L.A.C.S. [Universidade Federal de Campina Grande (UFCG), PB (Brazil). Programa de Pos-Graduacao em Engenharia de Processos; Mesquita, Wandemberg B. [Felinto Industria e Comercio Ltda., Campina Grande, PB (Brazil)

    2009-07-01

    Small contents of organoclays (1 wt %) were incorporated to PP modified with maleic anhydride by melt intercalation, in order to prepare polymeric films for further applications in food package sector. The films were characterized by X-ray diffraction (XRD) and mechanical properties. The data indicates that the incorporation of organoclay to PP results in transparent films with intercalated morphology and highly. The mechanical properties of nanocomposites films were superior from those pristine films. The results evidences that the PP/PP-g-MA/organoclay nanocomposite films, prepared in this study might be promissory to the food package market and, in short time, be used like a new product by industries of this sector. (author)

  2. Synthesis of Highly Selective Submicromolar Microcystin‐Based Inhibitors of Protein Phosphatase (PP)2A over PP1

    Science.gov (United States)

    Fontanillo, Miriam; Zemskov, Ivan; Häfner, Maximilian; Uhrig, Ulrike; Salvi, Francesca; Simon, Bernd; Wittmann, Valentin

    2016-01-01

    Abstract Research and therapeutic targeting of the phosphoserine/threonine phosphatases PP1 and PP2A is hindered by the lack of selective inhibitors. The microcystin (MC) natural toxins target both phosphatases with equal potency, and their complex synthesis has complicated structure–activity relationship studies in the past. We report herein the synthesis and biochemical evaluation of 11 MC analogues, which was accomplished through an efficient strategy combining solid‐ and solution‐phase approaches. Our approach led to the first MC analogue with submicromolar inhibitory potency that is strongly selective for PP2A over PP1 and does not require the complex lipophilic Adda group. Through mutational and structural analyses, we identified a new key element for binding, as well as reasons for the selectivity. This work gives unprecedented insight into how selectivity between these phosphatases can be achieved with MC analogues. PMID:27723199

  3. Overexpression of a novel Arabidopsis PP2C isoform, AtPP2CF1, enhances plant biomass production by increasing inflorescence stem growth

    Science.gov (United States)

    Sugimoto, Hiroki; Kondo, Satoshi; Tanaka, Tomoko; Imamura, Chie; Muramoto, Nobuhiko; Hattori, Etsuko; Ogawa, Ken’ichi; Mitsukawa, Norihiro; Ohto, Chikara

    2014-01-01

    In contrast to mammals, higher plants have evolved to express diverse protein phosphatase 2Cs (PP2Cs). Of all Arabidopsis thaliana PP2Cs, members of PP2C subfamily A, including ABI1, have been shown to be key negative regulators of abscisic acid (ABA) signalling pathways, which regulate plant growth and development as well as tolerance to adverse environmental conditions. However, little is known about the enzymatic and signalling roles of other PP2C subfamilies. Here, we report a novel Arabidopsis subfamily E PP2C gene, At3g05640, designated AtPP2CF1. AtPP2CF1 was dramatically expressed in response to exogenous ABA and was expressed in vascular tissues and guard cells, similar to most subfamily A PP2C genes. In vitro enzymatic activity assays showed that AtPP2CF1 possessed functional PP2C activity. However, yeast two-hybrid analysis revealed that AtPP2CF1 did not interact with PYR/PYL/RCAR receptors or three SnRK2 kinases, which are ABI1-interacting proteins. This was supported by homology-based structural modelling demonstrating that the putative active- and substrate-binding site of AtPP2CF1 differed from that of ABI1. Furthermore, while overexpression of ABI1 in plants induced an ABA-insensitive phenotype, Arabidopsis plants overexpressing AtPP2CF1 (AtPP2CF1oe) were weakly hypersensitive to ABA during seed germination and drought stress. Unexpectedly, AtPP2CF1oe plants also exhibited increased biomass yield, mainly due to accelerated growth of inflorescence stems through the activation of cell proliferation and expansion. Our results provide new insights into the physiological significance of AtPP2CF1 as a candidate gene for plant growth production and for potential application in the sustainable supply of plant biomass. PMID:25038254

  4. World Energy Data System (WENDS). Volume III. Country data, LY-PO

    Energy Technology Data Exchange (ETDEWEB)

    None

    1979-06-01

    The World Energy Data System contains organized data on those countries and international organizations that may have critical impact on the world energy scene. Included in this volume, Vol. III, are Libya, Luxembourg, Malaysia, Mexico, Netherlands, New Zealand, Niger, Nigeria, Norway, Pakistan, Peru, Philippines, Poland, and Portugal. The following topics are covered for most of the countries: economic, demographic, and educational profiles; energy policy; indigenous energy resources and uses; forecasts, demand, exports, imports of energy supplies; environmental considerations of energy supplies; power production facilities; energy industries; commercial applications of energy; research and development activities of energy; and international activities.

  5. Site specificity of DSP-PP cleavage by BMP1.

    Science.gov (United States)

    Yang, Robert T; Lim, Glendale L; Yee, Colin T; Fuller, Robert S; Ritchie, Helena H

    2014-08-01

    Bone morphogenic protein 1 (BMP1), a metalloproteinase, is known to cleave a wide variety of extracellular matrix proteins, suggesting that a consensus substrate cleavage amino acid sequence might exist. However, while such a consensus sequence has been proposed based on P4 to P4' (i.e. the four amino acids flanking either side of the BMP1 cleavage site; P4P3P2P1|P1'P2'P3'P4') sequence homologies between two BMP1 substrates, dentin matrix protein 1 and dentin sialoprotein phosphophoryn (DSP-PP) (i.e. xMQx|DDP), no direct testing has so far been attempted. Using an Sf9 cell expression system, we have been able to produce large amounts of uncleaved DSP-PP. Point mutations introduced into this recombinant DSP-PP were then tested for their effects on DSP-PP cleavage by either Sf9 endogenous tolloid-related protein 1 (TLR-1) or by its human homolog, BMP1. Here, we have measured DSP-PP cleavage efficiencies after modifications based on P4-P4' sequence comparisons with dentin matrix protein 1, as well as for prolysyl oxidase and chordin, two other BMP1 substrates. Our results demonstrate that any mutations within or outside of the DSP-PP P4 to P4' cleavage site can block, impair or accelerate DSP-PP cleavage, and suggest that its BMP1 cleavage site is highly conserved in order to regulate its cleavage efficiency, possibly with additional assistance from its conserved exosites. Thus, BMP1 cleavage cannot be based on a consensus substrate cleavage site.

  6. Overexpression of RelA/SpoT homologs, PpRSH2a and PpRSH2b, induces the growth suppression of the moss Physcomitrella patens.

    Science.gov (United States)

    Sato, Michio; Takahashi, Tomohiro; Ochi, Kozo; Matsuura, Hideyuki; Nabeta, Kensuke; Takahashi, Kosaku

    2015-01-01

    Two genes encoding RelA/SpoT homologs, PpRSH2a and PpRSH2b, which are involved in the synthesis of bacterial alarmone guanosine 5'-diphosphate 3'-diphosphate (ppGpp) for the stringent response, were isolated from the moss, Physcomitrella patens. A complementary analysis of PpRSH2a and PpRSH2b in Escherichia coli showed that these genes had ppGpp biosynthetic activity. The recombinant PpRSH2a and PpRSH2b were also shown to synthesize ppGpp in vitro. Both proteins were localized to the chloroplasts of P. patens. Expression of the PpRSH genes was induced upon treatment with abscisic acid or abiotic stresses, such as dehydration and UV irradiation. Overexpression of PpRSH2a and PpRSH2b caused suppression of the growth in response to 1% (w/v) of glucose. The present study suggests the existence of a mechanism to regulate the growth of P. patens, which is governed by plant RSH in chloroplasts.

  7. Current Writing: Text and Reception in Southern Africa - Vol 21, No 1 ...

    African Journals Online (AJOL)

    Current Writing: Text and Reception in Southern Africa - Vol 21, No 1-2 (2009). Journal Home ... “…to remember is like starting to see”: South African life stories today · EMAIL FULL TEXT EMAIL FULL TEXT ... Current Issue Atom logo

  8. Eastern Africa Social Science Research Review - Vol 33, No 2 (2017)

    African Journals Online (AJOL)

    Eastern Africa Social Science Research Review - Vol 33, No 2 (2017) ... Dynamics of fresh produce marketing in small-scale irrigation schemes: challenges and opportunities for smallholder ... Analysis of media role in bridging the information gap for environmentally sustainable development in ... Current Issue Atom logo

  9. Baltische Musik für Streichorchester (Vol. 2) / Hans-Christian Dadelsen

    Index Scriptorium Estoniae

    Dadelsen, Hans-Christian

    1995-01-01

    Uuest heliplaadist "Baltische Musik für Streichorchester (Vol. 2). Ostrobothnian Chamber Orchestra, Juha Kangas". Finlandia/East West Records CD 4509-9789-2 (WD: 64'34") Plaadil ka Erkki-Sven Tüüri teos "Insula Deserta"

  10. Book review: Vetter, H. 2005. Terralog. Turtles of the World. Vol. 3. Central and South America

    Directory of Open Access Journals (Sweden)

    2006-12-01

    Full Text Available Book review: Vetter, H. 2005. Terralog. Turtles of the World. Vol. 3. Central and South America/Schildkröten der Welt Band 3. Mittel- und Südamerika: 1-128, color pictures 606 + 9. Edition Chimaira, Frankfurt, Germany.ISBN 3-930612-82-8; 29.7 x 20.8 cm

  11. Southern African Journal of HIV Medicine - Vol 11, No 2 (2010)

    African Journals Online (AJOL)

    Southern African Journal of HIV Medicine - Vol 11, No 2 (2010) ... practitioners in the treatment of HIV/Aids: a study of their practices and use of herbal medicines ... Efavirenz in pregnancy · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  12. Baltische Musik für Streichorchester (Vol. 2) / Hans-Christian Dadelsen

    Index Scriptorium Estoniae

    Dadelsen, Hans-Christian

    1995-01-01

    Uuest heliplaadist "Baltische Musik für Streichorchester (Vol. 2). Ostrobothnian Chamber Orchestra, Juha Kangas". Finlandia/East West Records CD 4509-9789-2 (WD: 64'34") Plaadil ka Erkki-Sven Tüüri teos "Insula Deserta"

  13. Mgbakoigba, Journal of African Studies. Vol.5 No.1. December 2015 ...

    African Journals Online (AJOL)

    DR. OKECHUKWU NWAFOR

    2015-12-01

    Dec 1, 2015 ... Mgbakoigba, Journal of African Studies. Vol.5 No.1. ..... exhibition hall as the floor of a room and the floor of the exhibition hall as the wall of ... gallery which is located in Long Street, Cape Town does not engage in formal art.

  14. South African Journal of Bioethics and Law - Vol 2, No 1 (2009)

    African Journals Online (AJOL)

    South African Journal of Bioethics and Law - Vol 2, No 1 (2009) ... Euthanasia – is there a case? ... Enhancing the doctor-patient relationship: Living, dying and use of the living will · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  15. Journal of Agriculture and Social Research (JASR) - Vol 6, No 1 ...

    African Journals Online (AJOL)

    Journal of Agriculture and Social Research (JASR) - Vol 6, No 1 (2006) ... Econometric analysis of the effect of marketing costs on grain prices in Kaduna State ... Analysis of the demand for locally processed rice in Niger State, Nigeria · EMAIL ... Impact of mass media on adoption of agricultural innovations in Kaduna State, ...

  16. Anomalia de Classe III

    OpenAIRE

    2014-01-01

    Projeto de Pós-Graduação/Dissertação apresentado à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Mestre em Medicina Dentária Introdução: A anomalia de classe III, é uma má oclusão que afeta os indivíduos psicologicamente, pois hoje em dia, a estética é socialmente valorizada. Deste modo, o diagnóstico deve ser executado precocemente para que os indivíduos portadores desta anomalia, possam ser acompanhados desde criança, pelos profissionais área da Medicina...

  17. An electron paramagnetic resonance study of PP and PP/SBS blends irradiated with gamma rays

    Energy Technology Data Exchange (ETDEWEB)

    Silva, Pedro E-mail: silva@ivic.ve; Albano, Carmen; Perera, Rosestela; Gonzalez, Jeanette; Ichazo, Miren

    2004-11-01

    Electron paramagnetic resonance (EPR) measurements of Polypropylene (PP) and its blends with a Styrene-Butadiene-Styrene (SBS) copolymer in 10, 20, 30 and 40 wt.% of SBS were carried out. The samples were irradiated in the 0{<=}D{<=}100 kGy range at a dose rate of 4.8 kGy/h. Typical spectra indicative of the formation of peroxy and alkyl radicals were obtained. The dynamics of formation and recombination of radicals in these samples could be explained using a mixed zero and first order generation-recombination fit of the total spin concentration as a function of the integral dose. The time dependence of the spin concentration was studied assuming a mixed first order fit in the decay process. The parameters obtained from the fitting are interpreted in terms of the rate of formation of free radicals at the irradiation time and in terms of the decay time of the total free radical concentration.

  18. ANALYSIS OF PP/POE BLENDS PROPERTIES%PP/POE共混物性能分析

    Institute of Scientific and Technical Information of China (English)

    杨柳

    2004-01-01

    对聚丙烯(PP)和聚烯烃弹性体(POE)共混来增韧PP的效果进行研究,通过差示扫描量热计分析了共混物熔点、结晶温度及结晶焓的变化,利用广角X射线衍射仪、透射电镜分别分析了共混物PP晶面间距和共混物中POE的粒径大小和分布.得到PP和POE不同配比共混物性能变化规律.结果也表明,POE增韧PP与POE的添加量粒径大小及分布有密切关系.

  19. Stability constants of La(III), Pr(III), Nd(III), Sm(III), Gd(III), Tb(III) and Dy(III) complexes with N-(2-hydroxyphenyl) p-toluene sulphonamide

    Energy Technology Data Exchange (ETDEWEB)

    Chopra, S.C.; Mathur, K.C. (Jodhpur Univ. (India). Dept. of Chemistry)

    1981-01-01

    The dissociation constants of the ligand and stability constants of La(III), Pr(III), Nd(III), Sm(III), Gd(III), Tb(III) and Dy(III) complexes with N-(2-hydroxyphenyl) p-toluene sulphonamide have been determined potentiometrically using Calvin-Bjerrum pH titration technique at 30 +- 1deg C and ..mu.. = 0.1 M (NaClO/sub 4/) in aqueous medium. The stability constants of these metal complexes are found to follow the order Dy > Tb > Gd > Sm > Nd > Pr > La.

  20. Population III Hypernovae

    CERN Document Server

    Smidt, Joseph; Even, Wesley; Wiggins, Brandon; Johnson, Jarrett L; Fryer, Chris L

    2014-01-01

    Population III supernovae have been of growing interest of late for their potential to directly probe the properties of the first stars, particularly the most energetic events that are visible near the edge of the observable universe. But until now, hypernovae, the unusually energetic Type Ib/c supernovae that are sometimes associated with gamma-ray bursts, have been overlooked as cosmic lighthouses at the highest redshifts. In this, the latest of a series of studies on Population III supernovae, we present numerical simulations of 25 - 50 M$_{\\odot}$ hypernovae and their light curves done with the Los Alamos RAGE and SPECTRUM codes. We find that they will be visible at z = 10 - 15 to the James Webb Space Telescope (JWST) and z = 4 - 5 to the Wide-Field Infrared Survey Telescope (WFIRST), tracing star formation rates in the first galaxies and at the end of cosmological reionization. If, however, the hypernova crashes into a dense shell ejected by its progenitor, a superluminous event will occur that may be se...

  1. POPULATION III HYPERNOVAE

    Energy Technology Data Exchange (ETDEWEB)

    Smidt, Joseph; Whalen, Daniel J. [T-2, Los Alamos National Laboratory, Los Alamos, NM 87545 (United States); Wiggins, Brandon K. [Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602 (United States); Even, Wesley; Fryer, Chris L. [CCS-2, Los Alamos National Laboratory, Los Alamos, NM 87545 (United States); Johnson, Jarrett L., E-mail: dwhalen1999@gmail.com [XTD-PRI, Los Alamos National Laboratory, Los Alamos, NM 87545 (United States)

    2014-12-20

    Population III supernovae have been of growing interest of late for their potential to directly probe the properties of the first stars, particularly the most energetic events that are visible near the edge of the observable universe. Until now, hypernovae, the unusually energetic Type Ib/c supernovae that are sometimes associated with gamma-ray bursts, have been overlooked as cosmic beacons at the highest redshifts. In this, the latest of a series of studies on Population III supernovae, we present numerical simulations of 25-50 M {sub ☉} hypernovae and their light curves done with the Los Alamos RAGE and SPECTRUM codes. We find that they will be visible at z = 10-15 to the James Webb Space Telescope and z = 4-5 to the Wide-Field Infrared Survey Telescope, tracing star formation rates in the first galaxies and at the end of cosmological reionization. If, however, the hypernova crashes into a dense shell ejected by its progenitor, it is expected that a superluminous event will occur that may be seen at z ∼ 20 in the first generation of stars.

  2. Fluorescence Image Analysis for Quantification of Active Oxygen Induced by Photochemical Reaction

    Science.gov (United States)

    2007-11-02

    state 1 Zn CP-III excited triplet state 3 Zn CP-III ground state ZnCP-III movement of energy absorption intersystem crossing...Takahashi and K. Asada, “Superoxide Anion Permeability of Phospholipid Membranes and Chloroplast Thylakoids,” Arc. Biochem. Biolhys., vol. 226, no23, pp.558–566, 1983.

  3. A Review of Soviet Studies in the Psychology of Learning and Teaching Mathematics (6 Volumes). Proceedings of the National Academy of Education, Vol. 4, 1977.

    Science.gov (United States)

    van Bruggen, Johan C.; Freudenthal, Hans

    The English translations of the first six volumes of Studies on the Teaching and Learning of Mathematics in the Soviet Union are viewed in this document. The contents of each volume are briefly described: vol. 1, The Learning of Mathematical Concepts; vol. 2, The Structure of Mathematical Abilities; vol. 3, Problem Solving in Arithmetic and…

  4. 细菌应激反应中(p)ppGpp代谢的调控%Modulation of (p)ppGpp metabolism during bacterial stringent response

    Institute of Scientific and Technical Information of China (English)

    刘彪; 宁德刚

    2011-01-01

    (p)ppGpp is a well known intracellular signal that mediates bacterial stringent response to environment stresses through the change of its concentration level thus controls many important cellular processes for bacterial survival. In this review, we outline the mechanism of (p)ppGpp action, the enzyme system involved in (p)ppGpp metabolism, and summarize the signal transmission, the regulation and the diversity of (p)ppGpp metabolism. Moreover, we give a brief introduction on our achieved results recently about (p)ppGpp metabolism in cyanobacteria, and predict that a (p)ppGpp new metabolic mechanism different from those known exists in cyanobacteria.%(p)ppGpp是介导细菌细胞对环境胁迫产生应激反应的重要胞内信号,通过控制一系列重要的细胞活动使细菌得以生存.通过对蓝细菌中(p)ppGpp代谢的研究,对(p)ppGpp作用机制、控制(p)ppGpp代谢的酶系统、环境胁迫信号传递、细胞中(p)ppGpp水平的调控及其多样性进行了总结.

  5. pp-Solar Neutrino Spectroscopy Return of the Indium Detector

    CERN Document Server

    Raghavan, R S

    2001-01-01

    A new indium-loaded liquid scintillator (LS) with up to 15wt% In and high light output promises a breakthrough in the 25y old proposal for observing pp solar neutrinos (nue) by tagged nue capture in 115In. Intense background from the natural beta-decay of In, the single obstacle blocking this project till now, can be reduced by more than x100 with the new In-LS. Only non-In background remains, dramatically relaxing design criteria. Eight tons of In yields ~400 pp nue/y after analysis cuts. With the lowest threshold yet, Q=118 keV, In is the most sensitive detector of the pp nue spectrum, the long sought touchstone for nue conversion.

  6. Evidence for collective phenomena in pp collisions with CMS

    CERN Document Server

    Chen, Zhenyu

    2017-01-01

    Observation of long-range ridge-like correlations in high-multiplicity pp collisions opened up new opportunities for exploring novel QCD dynamics in small collision systems. Based on data collected in 2015 and 2016 with the CMS detector at the LHC, the second-order ($v_{2}$) and third-order ($v_{3}$) azimuthal anisotropy harmonics of $K_{s}^{0}$, $\\Lambda$ and inclusive charged particles are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For the first time in pp collisions, the $v_{2}$ signals are also extracted from multi-particle correlations, providing direct evidence of the collective nature of observed particle correlations. These results provide new insights on the origin of observed long-range correlations in pp collisions, and may shed light on how quantum fluctuations affect the proton structure at a very short time scale.

  7. Diversity in (p)ppGpp metabolism and effectors.

    Science.gov (United States)

    Liu, Kuanqing; Bittner, Alycia N; Wang, Jue D

    2015-04-01

    Bacteria produce guanosine tetraphosphate and pentaphosphate, collectively named (p)ppGpp, in response to a variety of environmental stimuli. These two remarkable molecules regulate many cellular processes, including the central dogma processes and metabolism, to ensure survival and adaptation. Work in Escherichia coli laid the foundation for understanding the molecular details of (p)ppGpp and its cellular functions. As recent studies expand to other species, it is apparent that there exists considerable variation, with respect to not only (p)ppGpp metabolism, but also to its mechanism of action. From an evolutionary standpoint, this diversification is an elegant example of how different species adapt a particular regulatory network to their diverse lifestyles.

  8. Core Drilling of shallow drillholes OL-PP72...OL-PP89 at Olkiluoto, Eurajoki 2011

    Energy Technology Data Exchange (ETDEWEB)

    Toropainen, V. [Suomen Malmi Oy, Espoo (Finland)

    2012-05-15

    Suomen Malmi Oy (Smoy) core drilled eighteen drillholes to survey the ground and bedrock conditions in the encapsulation plant building site at Olkiluoto, Eurajoki 2011. Soil quality, bedrock depth and quality of near surface bedrock were investigated in this project. The drillholes were drilled between 19th of October and 8th of November 2011. The lengths of the drillholes are mostly between 7 to 9 metres, except for the drillhole OL-PP79, which is 15 metres by length. The drillholes are 76 mm by diameter, and the core diameter is 60.2 mm. The lightweight GM75 drilling rig with rubber tracks was used. The drilling water was taken from the ONKALO area research building freshwater pipeline and sodium fluorescein was added as a label agent in the drilling water. The drillholes were not left open. In addition to drilling the drillcores were logged and reported by geologist. Geological logging included the following parameters: lithology, foliation, fracture parameters, fractured zones, core loss, weathering, fracture frequency, RQD and rock quality. The average natural fracture frequencies of the drillcores range from 2.5 pc/m (OL-PP77) to 11.8 pc/m (OL-PP86). The average RQD ranges from 55.1 % (OL-PP86) to 96.4 % (OL-PP77). The penetrated soils are mostly ground fill (blast rock), but some clays and sands are lying below the fill layer. (orig.)

  9. The pp->p Lambda K+ and pp->p Sigma0 K+ reactions with chiral dynamics

    CERN Document Server

    Xie, Ju-Jun; Oset, E

    2011-01-01

    We report on a theoretical study of the pp->p Lambda K+ and pp->p Sigma0 K+ reactions near threshold using a chiral dynamical approach. The production process is described by single-pion and single-kaon exchange. The final state interactions of nucleon-hyperon, K-hyperon and K-nucleon systems are also taken into account. We show that our model leads to a fair description of the experimental data on the total cross section of the pp->p Lambda K+ and pp->p Sigma0 K+ reactions. We find that the experimental observed strong suppression of Sigma0 production compared to Lambda production at the same excess energy can be explained. However, ignorance of phases between some amplitudes does not allow to properly account for the nucleon-hyperon final state interaction for the pp->p Sigma0 K+ reaction. We also demonstrate that the invariant mass distribution and the Dalitz plot provide direct information about the Lambda and Sigma0 production mechanism, and can be tested by experiments at COSY or HIRFL-CSR.

  10. Physcomitrella Patens Dehydrins (PpDHNA and PpDHNC Confer Salinity and Drought Tolerance to Transgenic Arabidopsis Plants

    Directory of Open Access Journals (Sweden)

    Qilong Li

    2017-07-01

    Full Text Available Dehydrins (DHNs as a member of late-embryogenesis-abundant (LEA proteins are involved in plant abiotic stress tolerance. Two dehydrins PpDHNA and PpDHNC were previously characterized from the moss Physcomitrella patens, which has been suggested to be an ideal model plant to study stress tolerance due to its adaptability to extreme environment. In this study, functions of these two genes were analyzed by heterologous expressions in Arabidopsis. Phenotype analysis revealed that overexpressing PpDHN dehydrin lines had stronger stress resistance than wild type and empty-vector control lines. These stress tolerance mainly due to the up-regulation of stress-related genes expression and mitigation to oxidative damage. The transgenic plants showed strong scavenging ability of reactive oxygen species(ROS, which was attributed to the enhancing of the content of antioxidant enzymes like superoxide dismutase (SOD and catalase (CAT. Further analysis showed that the contents of chlorophyll and proline tended to be the appropriate level (close to non-stress environment and the malondialdehyde (MDA were repressed in these transgenic plants after exposure to stress. All these results suggest the PpDHNA and PpDHNC played a crucial role in response to drought and salt stress.

  11. Modern geothermal power: GeoPP with geothermal steam turbines

    Science.gov (United States)

    Tomarov, G. V.; Shipkov, A. A.

    2017-03-01

    The first part of the review presents information on the scale and specific features of geothermal energy development in various countries. The classification of geothermal power plant (GeoPP) process flow diagrams by a phase state of the primary heat source (a geothermal fluid), thermodynamic cycle, and applicable turbines is proposed. Features of geothermal plants using methods of flashing and steam separation in the process loop and a flowsheet and thermodynamic process of a geothermal fluid heat-to-power conversion in a GeoPP of the most widespread type using a double-flash separation are considered. It is shown that, for combined cycle power units, the specific power-to-consumption geothermal fluid ratio is 20-25% higher than that for traditional single-loop GeoPP. Information about basic chemical components and their concentration range for geothermal fluids of various formations around the world is presented. Three historic stages of improving geothermal energy technologies are determined, such as development of high-temperature geothermal resources (dry, superheated steam) and application of a two-phase wet-steam geothermal fluid in GeoPP power units with one or two expansion pressures and development of binary cycle GeoPPs. A current trend of more active use of binary power plants in GeoPP technological processes is noted. Design features of GeoPP's steam turbines and steam separating devices, determined by the use of low-potential geothermal saturated steam as a working medium, which is characterized by corrosion aggressiveness and a tendency to form deposits, are considered. Most promising Russian geothermal energy projects are determined. A list of today's most advanced geothermal turbine performance technologies is presented. By an example of a 25 MW steam turbine design, made by JSC Kaluga Turbine Works, advantages of the internal moisture separation with a special turbine-separator stage are shown.

  12. Fast ejendom III

    DEFF Research Database (Denmark)

    Munk-Hansen, Carsten

    Bogen er det tredje bind af tre planlagte bind om fast ejendom: I Overdragelsen, II Bolighandlen og III Ejerbeføjelsen. Fremstillingens giver et grundigt overblik over centrale områder af en omfattende regulering af fast ejendom, med angivelse af litteratur, hvor læseren kan søge yderligere...... oplysning. En ejer af fast ejendom er på særdeles mange områder begrænset i sin råden sammenlignet med ejeren af et formuegode i almindelighed. Fremstillingen tager udgangspunkt i ejerens perspektiv (fremfor samfundets eller myndighedernes). Både den privatretlige og offentligretlige regulering behandles......, eksempelvis ejendomsdannelsen, servitutter, naboretten, hævd, zoneinddelingen, den fysiske planlægning, beskyttelse af natur, beskyttelse af kultur, forurening fra fast ejendom, erstatning for forurening, jordforurening, ekspropriation, byggeri og adgang til fast ejendom....

  13. Ammonium diphosphitoindate(III

    Directory of Open Access Journals (Sweden)

    Farida Hamchaoui

    2013-04-01

    Full Text Available The crystal structure of the title compound, NH4[In(HPO32], is built up from InIII cations (site symmetry 3m. adopting an octahedral environment and two different phosphite anions (each with site symmetry 3m. exhibiting a triangular–pyramidal geometry. Each InO6 octahedron shares its six apices with hydrogen phosphite groups. Reciprocally, each HPO3 group shares all its O atoms with three different metal cations, leading to [In(HPO32]− layers which propagate in the ab plane. The ammonium cation likewise has site symmetry 3m.. In the structure, the cations are located between the [In(HPO32]− layers of the host framework. The sheets are held together by hydrogen bonds formed between the NH4+ cations and the O atoms of the framework.

  14. Oxymatrinium tetrachloridoferrate(III

    Directory of Open Access Journals (Sweden)

    Xiong He

    2012-02-01

    Full Text Available The asymmetric unit of the title compound, (C15H25N2O2[FeCl4], contains a tetrachloridoferrate(III anion and a oxymatrinium cation [oxymatrine is (4R,7aS,13aR,13bR,13cS-dodecahydro-1H,5H,10H-dipyrido[2,1-f:3′,2′,1′-ij][1,6]naphthyridin-10-one 4-oxide]. The conformation of oxymatrine is similar to that of matrine with one ring having a half-chair conformation, while the others have chair conformations. Chiral chains of cations along the c axis are formed by O—H...O hydrogen bonds.

  15. III.— Documents

    OpenAIRE

    2014-01-01

    III/1 inventaire de l’orangerie du château d’Ivry, 1770 • Inventaire après décès du marquis de Béringhen (extrait), AN M.C. LXXXVIII, 723, 28 février 1770 « [f° 113 v°] Dudit jour samedi seize du présent mois de juin huit heures du matin à même requête qualité et preuve que dessus, ainsi que le tout a été ci-devant établi, va être par les conseillers du roi notaires au Châtelet de Paris [f° 114 r°] soussignés procédé à la continuation du présent inventaire de la manière et ainsi qu’il suit. S...

  16. Pseudo Class III malocclusion.

    Science.gov (United States)

    Al-Hummayani, Fadia M

    2016-04-01

    The treatment of deep anterior crossbite is technically challenging due to the difficulty of placing traditional brackets with fixed appliances. This case report represents a none traditional treatment modality to treat deep anterior crossbite in an adult pseudo class III malocclusion complicated by severely retruded, supraerupted upper and lower incisors. Treatment was carried out in 2 phases. Phase I treatment was performed by removable appliance "modified Hawley appliance with inverted labial bow," some modifications were carried out to it to suit the presented case. Positive overbite and overjet was accomplished in one month, in this phase with minimal forces exerted on the lower incisors. Whereas, phase II treatment was performed with fixed appliances (braces) to align teeth and have proper over bite and overjet and to close posterior open bite, this phase was accomplished within 11 month.

  17. Molecular mechanism of serine/threonine protein phosphatase 1 (PP1cα-PP1r7) in spermatogenesis of Toxocara canis.

    Science.gov (United States)

    Ma, Guang Xu; Zhou, Rong Qiong; Song, Zhen Hui; Zhu, Hong Hong; Zhou, Zuo Yong; Zeng, Yuan Qin

    2015-09-01

    Toxocariasis is one of the most important, but neglected, zoonoses, which is mainly caused by Toxocara canis. To better understand the role of serine/threonine protein phosphatase 1 (PP1) in reproductive processes of male adult T. canis, differential expression analysis was used to reveal the profiles of PP1 catalytic subunit α (PP1cα) gene Tc-stp-1 and PP1 regulatory subunit 7 (PP1r7) gene TcM-1309. Indirect fluorescence immunocytochemistry was carried out to determine the subcellular distribution of PP1cα. Double-stranded RNA interference (RNAi) assays were employed to illustrate the function and mechanism of PP1cα in male adult reproduction. Real-time quantitative PCR (qPCR) showed transcriptional consistency of Tc-stp-1 and TcM-1309 in sperm-producing germline tissues and localization research showed cytoplasmic distribution of PP1cα in sf9 cells, which indicated relevant involvements of PP1cα and PP1r7 in spermatogenesis. Moreover, spatiotemporal transcriptional differences of Tc-stp-1 were determined by gene knockdown analysis, which revealed abnormal morphologies and blocked meiotic divisions of spermatocytes by phenotypic aberration scanning, thereby highlighting the crucial involvement of PP1cα in spermatogenesis. These results revealed a PP1cα-PP1r7 mechanism by which PP1 regulates kinetochore-microtubule interactions in spermatogenesis and provided important clues to identify novel drug or vaccine targets for toxocariasis control.

  18. pp-Solar Neutrino Spectroscopy: Return of the Indium Detector

    OpenAIRE

    2001-01-01

    A new indium-loaded liquid scintillator (LS) with up to 15wt% In and high light output promises a breakthrough in the 25y old proposal for observing pp solar neutrinos (nue) by tagged nue capture in 115In. Intense background from the natural beta-decay of In, the single obstacle blocking this project till now, can be reduced by more than x100 with the new In-LS. Only non-In background remains, dramatically relaxing design criteria. Eight tons of In yields ~400 pp nue/y after analysis cuts. Wi...

  19. $pp$ Elastic Scattering at LHC and Nucleon Structure

    CERN Document Server

    Islam, M M; Prokudin, A V

    2003-01-01

    High energy elastic pp differential cross section at LHC at the c.m. energy 14 TeV is predicted using the asymptotic behavior of sigma-tot(s) and rho(s), and the measured pbar-p differential cross section at sqrt{s}=546 GeV. The phenomenological investigation has progressively led to an effective field theory model that describes the nucleon as a chiral bag embedded in a quark-antiquark condensed ground state. The measurement of pp elastic scattering at LHC up to large |t| >~ 10 GeV^2 by the TOTEM group will be crucial to test this structure of the nucleon.

  20. Lambda production in p+p interactions at SPS energies

    CERN Document Server

    Wilczek, Andrzej Gabriel; Kowalski, S

    The method of analysis for determination of Lambda production in p+p interactions has been developed, described, and applied to 158 GeV/c p+p data. The procedure has been used for calculation of double-differential spectra (d2n/dydpT, d2n/dydmT, d2n/dxFdpT), single-differential distributions (dn/dy , dn/dxF), mean transverse mass , and the dependence of inverse slope parameter T on y. Finally, mean Lambda multiplicity extrapolated to 4pi has been calculeted.

  1. PP13, maternal ABO blood groups and the risk assessment of pregnancy complications.

    Directory of Open Access Journals (Sweden)

    Nandor Gabor Than

    Full Text Available BACKGROUND: Placental Protein 13 (PP13, an early biomarker of preeclampsia, is a placenta-specific galectin that binds beta-galactosides, building-blocks of ABO blood-group antigens, possibly affecting its bioavailability in blood. METHODS AND FINDINGS: We studied PP13-binding to erythrocytes, maternal blood-group effect on serum PP13 and its performance as a predictor of preeclampsia and intrauterine growth restriction (IUGR. Datasets of maternal serum PP13 in Caucasian (n = 1078 and Hispanic (n = 242 women were analyzed according to blood groups. In vivo, in vitro and in silico PP13-binding to ABO blood-group antigens and erythrocytes were studied by PP13-immunostainings of placental tissue-microarrays, flow-cytometry of erythrocyte-bound PP13, and model-building of PP13--blood-group H antigen complex, respectively. Women with blood group AB had the lowest serum PP13 in the first trimester, while those with blood group B had the highest PP13 throughout pregnancy. In accordance, PP13-binding was the strongest to blood-group AB erythrocytes and weakest to blood-group B erythrocytes. PP13-staining of maternal and fetal erythrocytes was revealed, and a plausible molecular model of PP13 complexed with blood-group H antigen was built. Adjustment of PP13 MoMs to maternal ABO blood group improved the prediction accuracy of first trimester maternal serum PP13 MoMs for preeclampsia and IUGR. CONCLUSIONS: ABO blood group can alter PP13-bioavailability in blood, and it may also be a key determinant for other lectins' bioavailability in the circulation. The adjustment of PP13 MoMs to ABO blood group improves the predictive accuracy of this test.

  2. PP13, Maternal ABO Blood Groups and the Risk Assessment of Pregnancy Complications

    Science.gov (United States)

    Than, Nandor Gabor; Romero, Roberto; Meiri, Hamutal; Erez, Offer; Xu, Yi; Tarquini, Federica; Barna, Laszlo; Szilagyi, Andras; Ackerman, Ron; Sammar, Marei; Fule, Tibor; Karaszi, Katalin; Kovalszky, Ilona; Dong, Zhong; Kim, Chong Jai; Zavodszky, Peter; Papp, Zoltan; Gonen, Ron

    2011-01-01

    Background Placental Protein 13 (PP13), an early biomarker of preeclampsia, is a placenta-specific galectin that binds beta-galactosides, building-blocks of ABO blood-group antigens, possibly affecting its bioavailability in blood. Methods and Findings We studied PP13-binding to erythrocytes, maternal blood-group effect on serum PP13 and its performance as a predictor of preeclampsia and intrauterine growth restriction (IUGR). Datasets of maternal serum PP13 in Caucasian (n = 1078) and Hispanic (n = 242) women were analyzed according to blood groups. In vivo, in vitro and in silico PP13-binding to ABO blood-group antigens and erythrocytes were studied by PP13-immunostainings of placental tissue-microarrays, flow-cytometry of erythrocyte-bound PP13, and model-building of PP13 - blood-group H antigen complex, respectively. Women with blood group AB had the lowest serum PP13 in the first trimester, while those with blood group B had the highest PP13 throughout pregnancy. In accordance, PP13-binding was the strongest to blood-group AB erythrocytes and weakest to blood-group B erythrocytes. PP13-staining of maternal and fetal erythrocytes was revealed, and a plausible molecular model of PP13 complexed with blood-group H antigen was built. Adjustment of PP13 MoMs to maternal ABO blood group improved the prediction accuracy of first trimester maternal serum PP13 MoMs for preeclampsia and IUGR. Conclusions ABO blood group can alter PP13-bioavailability in blood, and it may also be a key determinant for other lectins' bioavailability in the circulation. The adjustment of PP13 MoMs to ABO blood group improves the predictive accuracy of this test. PMID:21799738

  3. Nanocomposites of PP and bentonite clay modified with different surfactants; Nanocompositos de PP e bentonita organofilizada com diferentes tensoativos

    Energy Technology Data Exchange (ETDEWEB)

    Rodrigues, Andre W.B.; Agrawal, Pankaj; Araujo, Edcleide M.; Melo, Tomas J.A., E-mail: tomas@dema.ufcg.edu.b [Universidade Federal de Campina Grande (UFCG), PB (Brazil); Ueki, Marcelo M. [Servico Nacional de Aprendizagem Industrial (SENAI/CIMATEC), Salvador, BA (Brazil). Centro Integrado de Manufatura e Tecnologia

    2009-07-01

    The aim of this work was the development of nano composites of polypropylene (PP) and national bentonite clay modified with different surfactants. The results of X-Ray diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR) showed that the organophilization process was effective. The surfactants led to a significant increase in the basal spacing of Brasgel PA clay. XRD results of the mixture PP/Brasgel PA clay modified with Praepagem WB surfactant indicated that a nanocomposite with intercalated structure was formed. When the Brasgel PA clay was modified with Praepagem HY surfactant, DRX results indicated that a micro composite was formed. Screw speed, clay content and PP viscosity had no influence on the XRD pattern of the obtained materials. (author)

  4. Effect of tocopherols incorporation on physical properties of LDPE,PP and blend film of LDPE/PP

    Directory of Open Access Journals (Sweden)

    ZHU Xuntao

    2014-12-01

    Full Text Available The objectives of this study were to investigate the effects of added tocopherols and blending of different polymers on the film physical properties.Tocopherols (3 000 mg/kg were incorporate into low density polyethylene (LDPE,polypropylene (PP and a blend film of LDPE/PP (50/50 by extrusion process.Then films were evaluated to determine tocopherol recovery and physical properties.Results showed that extrusion did not significantly change film thermal properties (Tm,Tc and Tg as compared with synthetic polymer resin pellet (raw material.LDPE and PP did not seem to react with each other to form new polymers under the current extrusion conditions.Addition of tocopherol significantly changed film mechanical properties compared with control.The above results and other data seemed to support that polymer blending is a feasible approach for producing tocopherol containing packaging films.

  5. Semiconducting III-V compounds

    CERN Document Server

    Hilsum, C; Henisch, Heinz R

    1961-01-01

    Semiconducting III-V Compounds deals with the properties of III-V compounds as a family of semiconducting crystals and relates these compounds to the monatomic semiconductors silicon and germanium. Emphasis is placed on physical processes that are peculiar to III-V compounds, particularly those that combine boron, aluminum, gallium, and indium with phosphorus, arsenic, and antimony (for example, indium antimonide, indium arsenide, gallium antimonide, and gallium arsenide).Comprised of eight chapters, this book begins with an assessment of the crystal structure and binding of III-V compounds, f

  6. Ueber die Reaktion pppp π+π- bei Primaerimpulsen von 12 und 24 GeV/c

    CERN Document Server

    Franz, Herbert M

    1978-01-01

    The author has studied the ppppπ+π- reaction at primary impulses of 12 to 24 GeV/c. He has obtained the mass spectra of the pπ+π- system which show evidence for diffractive production of a N*(1470) resonance together with superpositions of further resonance-like structures. Furthermore the decay of the pπ+π- system is studied by means of a momentum analysis of the decay angular distributions. Finally a partial wave analysis is performed. (HSI)

  7. Polarized proton parameters for the 2015 PP-on-Au setup in RHIC

    Energy Technology Data Exchange (ETDEWEB)

    Gardner, C. J. [Brookhaven National Lab. (BNL), Upton, NY (United States)

    2015-08-25

    Values are given for RHIC circumference shifts due to snakes for various situations. Relevant parameters are tabulated for polarized protons (PP) in the booster and in AGS and RHIC for PP-on-Au stores.

  8. Polarized proton parameters for the 2015 PP-on-Aluminum setup in RHIC

    Energy Technology Data Exchange (ETDEWEB)

    Gardner, C. J. [Brookhaven National Lab. (BNL), Upton, NY (United States)

    2015-10-02

    Values are given for RHIC circumference shifts due to snakes for various situations. Relevant parameters are tabulated for polarized protons (PP) in the booster and in AGS and RHIC for PP-on-Aluminum stores.

  9. Genetic characterization of two fully sequenced multi-drug resistant plasmids pP10164-2 and pP10164-3 from Leclercia adecarboxylata

    Science.gov (United States)

    Sun, Fengjun; Zhou, Dongsheng; Sun, Qiang; Luo, Wenbo; Tong, Yigang; Zhang, Defu; Wang, Qian; Feng, Wei; Chen, Weijun; Fan, Yahan; Xia, Peiyuan

    2016-01-01

    We previously reported the complete sequence of the resistance plasmid pP10164-NDM, harboring blaNDM (conferring carbapenem resistance) and bleMBL (conferring bleomycin resistance), which is recovered from a clinical Leclercia adecarboxylata isolate P10164 from China. This follow-up work disclosed that there were still two multidrug-resistant (MDR) plasmids pP10164-2 and pP10164-3 coexisting in this strain. pP10164-2 and pP10164-3 were completely sequenced and shown to carry a wealth of resistance genes, which encoded the resistance to at least 10 classes of antibiotics (β-lactams. macrolides, quinolones, aminoglycosides, tetracyclines, amphenicols, quaternary ammonium compounds, sulphonamides, trimethoprim, and rifampicin) and 7 kinds of heavy mental (mercury, silver, copper, nickel, chromate, arsenic, and tellurium). All of these antibiotic resistance genes are associated with mobile elements such as transposons, integrons, and insertion sequence-based transposable units, constituting a total of three novel MDR regions, two in pP10164-2 and the other one in pP10164-3. Coexistence of three resistance plasmids pP10164-NDM, pP10164-2 and pP10164-3 makes L. adecarboxylata P10164 tend to become extensively drug-resistant. PMID:27658354

  10. Commande boucle fermée multivariable pour le vol en formation de vaisseaux spatiaux

    OpenAIRE

    Gaulocher, Sebastian

    2007-01-01

    Cette thèse traite du contrôle du vol en formation de vaisseaux spatiaux. Le vol en formation permet de réaliser de nouveaux scénarios de missions. De par la diversité des applications envisageables, les travaux sont divisés en deux parties. Dans la première partie, restreinte au contrôle des centres de masse des vaisseaux, une approche est proposée pour modéliser les orbites relatives entre deux satellites en orbite terrestre, tenant compte de l'aplatissement de la Terre. Fondée sur le scéna...

  11. Search for Exotic Processes at the CERN pp Collider

    DEFF Research Database (Denmark)

    Ansari, R.; Bagnaia, P.; Banner, M.;......Kofoed-Hansen

    1987-01-01

    The total UA2 data sample at the CERN pp̄ Collider corresponds to an integrated luminosity of 910 nb−1. Limits on various hypothetical processes, such as production of excited electrons, additional charged or neutral vector bosons, or supersymmetric particles, are presented from the analysis of t...

  12. Multiple photon effects in $pp$ scattering at SSC energies

    CERN Document Server

    Delaney, D B; Shio, C; Siopsis, G; Ward, B F L

    1992-01-01

    The Monte Carlo program SSCYFS2 is used in conjunction with available parton distribution functions to calculate the effects of multiple photon radiation on pp scattering at SSC energies. Effects relevant to precision SSC physics such as Higgs discovery and exploration are illustrated.

  13. The Hyperon Λ(1405) in p+p reactions

    Science.gov (United States)

    Siebenson, Johannes

    2011-10-01

    We present an analysis of the hyperon Λ(1405) for p+p reactions at 3.5 GeV kinetic beam energy. The data were taken with the High Acceptance Di-Electron Spectrometer (HADES). A Λ(1405) signal could be reconstructed in both charged decay channels (Λ(1405)→Σ±πmnplus;).

  14. Evidence for collectivity in pp collisions at the LHC

    Science.gov (United States)

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F.; Missiroli, M.; Moran, D.; Cuevas, J.; Fernandez Menendez, J.; Gonzalez Caballero, I.; González Fernández, J. R.; Palencia Cortezon, E.; Sanchez Cruz, S.; Suárez Andrés, I.; Vizan Garcia, J. M.; Cabrillo, I. J.; Calderon, A.; Castiñeiras De Saa, J. R.; Curras, E.; Fernandez, M.; Garcia-Ferrero, J.; Gomez, G.; Lopez Virto, A.; Marco, J.; Martinez Rivero, C.; Matorras, F.; Piedra Gomez, J.; Rodrigo, T.; Ruiz-Jimeno, A.; Scodellaro, L.; Trevisani, N.; Vila, I.; Vilar Cortabitarte, R.; Abbaneo, D.; Auffray, E.; Auzinger, G.; Bachtis, M.; Baillon, P.; Ball, A. 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A.; Mersi, S.; Meschi, E.; Moortgat, F.; Morovic, S.; Mulders, M.; Neugebauer, H.; Orfanelli, S.; Orsini, L.; Pape, L.; Perez, E.; Peruzzi, M.; Petrilli, A.; Petrucciani, G.; Pfeiffer, A.; Pierini, M.; Racz, A.; Reis, T.; Rolandi, G.; Rovere, M.; Ruan, M.; Sakulin, H.; Sauvan, J. B.; Schäfer, C.; Schwick, C.; Seidel, M.; Sharma, A.; Silva, P.; Sphicas, P.; Steggemann, J.; Stoye, M.; Takahashi, Y.; Tosi, M.; Treille, D.; Triossi, A.; Tsirou, A.; Veckalns, V.; Veres, G. I.; Wardle, N.; Zagozdzinska, A.; Zeuner, W. D.; Bertl, W.; Deiters, K.; Erdmann, W.; Horisberger, R.; Ingram, Q.; Kaestli, H. C.; Kotlinski, D.; Langenegger, U.; Rohe, T.; Bachmair, F.; Bäni, L.; Bianchini, L.; Casal, B.; Dissertori, G.; Dittmar, M.; Donegà, M.; Grab, C.; Heidegger, C.; Hits, D.; Hoss, J.; Kasieczka, G.; Lecomte, P.; Lustermann, W.; Mangano, B.; Marionneau, M.; Martinez Ruiz del Arbol, P.; Masciovecchio, M.; Meinhard, M. T.; Meister, D.; Micheli, F.; Musella, P.; Nessi-Tedaldi, F.; Pandolfi, F.; Pata, J.; Pauss, F.; Perrin, G.; Perrozzi, L.; Quittnat, M.; Rossini, M.; Schönenberger, M.; Starodumov, A.; Tavolaro, V. R.; Theofilatos, K.; Wallny, R.; Aarrestad, T. K.; Amsler, C.; Caminada, L.; Canelli, M. F.; De Cosa, A.; Galloni, C.; Hinzmann, A.; Hreus, T.; Kilminster, B.; Ngadiuba, J.; Pinna, D.; Rauco, G.; Robmann, P.; Salerno, D.; Yang, Y.; Candelise, V.; Doan, T. H.; Jain, Sh.; Khurana, R.; Konyushikhin, M.; Kuo, C. M.; Lin, W.; Lu, Y. J.; Pozdnyakov, A.; Yu, S. S.; Kumar, Arun; Chang, P.; Chang, Y. H.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Chen, P. H.; Dietz, C.; Fiori, F.; Hou, W.-S.; Hsiung, Y.; Liu, Y. F.; Lu, R.-S.; Miñano Moya, M.; Paganis, E.; Psallidas, A.; Tsai, J. f.; Tzeng, Y. M.; Asavapibhop, B.; Singh, G.; Srimanobhas, N.; Suwonjandee, N.; Cerci, S.; Damarseckin, S.; Demiroglu, Z. S.; Dozen, C.; Dumanoglu, I.; Girgis, S.; Gokbulut, G.; Guler, Y.; Gurpinar, E.; Hos, I.; Kangal, E. 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M.; Bhopatkar, V.; Colafranceschi, S.; Hohlmann, M.; Noonan, D.; Roy, T.; Yumiceva, F.; Adams, M. R.; Apanasevich, L.; Berry, D.; Betts, R. R.; Bucinskaite, I.; Cavanaugh, R.; Evdokimov, O.; Gauthier, L.; Gerber, C. E.; Hofman, D. J.; Kurt, P.; O'Brien, C.; Sandoval Gonzalez, I. D.; Turner, P.; Varelas, N.; Wang, H.; Wu, Z.; Zakaria, M.; Zhang, J.; Bilki, B.; Clarida, W.; Dilsiz, K.; Durgut, S.; Gandrajula, R. P.; Haytmyradov, M.; Khristenko, V.; Merlo, J.-P.; Mermerkaya, H.; Mestvirishvili, A.; Moeller, A.; Nachtman, J.; Ogul, H.; Onel, Y.; Ozok, F.; Penzo, A.; Snyder, C.; Tiras, E.; Wetzel, J.; Yi, K.; Anderson, I.; Blumenfeld, B.; Cocoros, A.; Eminizer, N.; Fehling, D.; Feng, L.; Gritsan, A. V.; Maksimovic, P.; Osherson, M.; Roskes, J.; Sarica, U.; Swartz, M.; Xiao, M.; Xin, Y.; You, C.; Al-bataineh, A.; Baringer, P.; Bean, A.; Boren, S.; Bowen, J.; Bruner, C.; Castle, J.; Forthomme, L.; Kenny, R. P., III; Kropivnitskaya, A.; Majumder, D.; Mcbrayer, W.; Murray, M.; Sanders, S.; Stringer, R.; Tapia Takaki, J. D.; Wang, Q.; Ivanov, A.; Kaadze, K.; Khalil, S.; Maravin, Y.; Mohammadi, A.; Saini, L. K.; Skhirtladze, N.; Toda, S.; Rebassoo, F.; Wright, D.; Anelli, C.; Baden, A.; Baron, O.; Belloni, A.; Calvert, B.; Eno, S. C.; Ferraioli, C.; Gomez, J. A.; Hadley, N. J.; Jabeen, S.; Kellogg, R. G.; Kolberg, T.; Kunkle, J.; Lu, Y.; Mignerey, A. C.; Ricci-Tam, F.; Shin, Y. H.; Skuja, A.; Tonjes, M. B.; Tonwar, S. C.; Abercrombie, D.; Allen, B.; Apyan, A.; Barbieri, R.; Baty, A.; Bi, R.; Bierwagen, K.; Brandt, S.; Busza, W.; Cali, I. A.; Demiragli, Z.; Di Matteo, L.; Gomez Ceballos, G.; Goncharov, M.; Hsu, D.; Iiyama, Y.; Innocenti, G. M.; Klute, M.; Kovalskyi, D.; Krajczar, K.; Lai, Y. S.; Lee, Y.-J.; Levin, A.; Luckey, P. D.; Marini, A. C.; Mcginn, C.; Mironov, C.; Narayanan, S.; Niu, X.; Paus, C.; Roland, C.; Roland, G.; Salfeld-Nebgen, J.; Stephans, G. S. F.; Sumorok, K.; Tatar, K.; Varma, M.; Velicanu, D.; Veverka, J.; Wang, J.; Wang, T. W.; Wyslouch, B.; Yang, M.; Zhukova, V.; Benvenuti, A. C.; Chatterjee, R. M.; Evans, A.; Finkel, A.; Gude, A.; Hansen, P.; Kalafut, S.; Kao, S. C.; Kubota, Y.; Lesko, Z.; Mans, J.; Nourbakhsh, S.; Ruckstuhl, N.; Rusack, R.; Tambe, N.; Turkewitz, J.; Acosta, J. G.; Oliveros, S.; Avdeeva, E.; Bartek, R.; Bloom, K.; Claes, D. R.; Dominguez, A.; Fangmeier, C.; Gonzalez Suarez, R.; Kamalieddin, R.; Kravchenko, I.; Malta Rodrigues, A.; Meier, F.; Monroy, J.; Siado, J. E.; Snow, G. R.; Stieger, B.; Alyari, M.; Dolen, J.; George, J.; Godshalk, A.; Harrington, C.; Iashvili, I.; Kaisen, J.; Kharchilava, A.; Kumar, A.; Parker, A.; Rappoccio, S.; Roozbahani, B.; Alverson, G.; Barberis, E.; Baumgartel, D.; Hortiangtham, A.; Massironi, A.; Morse, D. M.; Nash, D.; Orimoto, T.; Teixeira De Lima, R.; Trocino, D.; Wang, R.-J.; Wood, D.; Bhattacharya, S.; Hahn, K. A.; Kubik, A.; Kumar, A.; Low, J. F.; Mucia, N.; Odell, N.; Pollack, B.; Schmitt, M. H.; Sung, K.; Trovato, M.; Velasco, M.; Dev, N.; Hildreth, M.; Hurtado Anampa, K.; Jessop, C.; Karmgard, D. J.; Kellams, N.; Lannon, K.; Marinelli, N.; Meng, F.; Mueller, C.; Musienko, Y.; Planer, M.; Reinsvold, A.; Ruchti, R.; Smith, G.; Taroni, S.; Wayne, M.; Wolf, M.; Woodard, A.; Alimena, J.; Antonelli, L.; Brinson, J.; Bylsma, B.; Durkin, L. S.; Flowers, S.; Francis, B.; Hart, A.; Hill, C.; Hughes, R.; Ji, W.; Liu, B.; Luo, W.; Puigh, D.; Winer, B. L.; Wulsin, H. W.; Cooperstein, S.; Driga, O.; Elmer, P.; Hardenbrook, J.; Hebda, P.; Lange, D.; Luo, J.; Marlow, D.; Medvedeva, T.; Mei, K.; Mooney, M.; Olsen, J.; Palmer, C.; Piroué, P.; Stickland, D.; Tully, C.; Zuranski, A.; Malik, S.; Barker, A.; Barnes, V. E.; Folgueras, S.; Gutay, L.; Jha, M. K.; Jones, M.; Jung, A. W.; Jung, K.; Miller, D. H.; Neumeister, N.; Shi, X.; Sun, J.; Svyatkovskiy, A.; Wang, F.; Xie, W.; Xu, L.; Parashar, N.; Stupak, J.; Adair, A.; Akgun, B.; Chen, Z.; Ecklund, K. M.; Geurts, F. J. M.; Guilbaud, M.; Li, W.; Michlin, B.; Northup, M.; Padley, B. P.; Redjimi, R.; Roberts, J.; Rorie, J.; Tu, Z.; Zabel, J.; Betchart, B.; Bodek, A.; de Barbaro, P.; Demina, R.; Duh, Y. t.; Ferbel, T.; Galanti, M.; Garcia-Bellido, A.; Han, J.; Hindrichs, O.; Khukhunaishvili, A.; Lo, K. H.; Tan, P.; Verzetti, M.; Agapitos, A.; Chou, J. P.; Contreras-Campana, E.; Gershtein, Y.; Gómez Espinosa, T. A.; Halkiadakis, E.; Heindl, M.; Hidas, D.; Hughes, E.; Kaplan, S.; Kunnawalkam Elayavalli, R.; Kyriacou, S.; Lath, A.; Nash, K.; Saka, H.; Salur, S.; Schnetzer, S.; Sheffield, D.; Somalwar, S.; Stone, R.; Thomas, S.; Thomassen, P.; Walker, M.; Foerster, M.; Heideman, J.; Riley, G.; Rose, K.; Spanier, S.; Thapa, K.; Bouhali, O.; Celik, A.; Dalchenko, M.; De Mattia, M.; Delgado, A.; Dildick, S.; Eusebi, R.; Gilmore, J.; Huang, T.; Juska, E.; Kamon, T.; Mueller, R.; Pakhotin, Y.; Patel, R.; Perloff, A.; Perniè, L.; Rathjens, D.; Rose, A.; Safonov, A.; Tatarinov, A.; Ulmer, K. A.; Akchurin, N.; Cowden, C.; Damgov, J.; De Guio, F.; Dragoiu, C.; Dudero, P. R.; Faulkner, J.; Kunori, S.; Lamichhane, K.; Lee, S. W.; Libeiro, T.; Peltola, T.; Undleeb, S.; Volobouev, I.; Wang, Z.; Delannoy, A. G.; Greene, S.; Gurrola, A.; Janjam, R.; Johns, W.; Maguire, C.; Melo, A.; Ni, H.; Sheldon, P.; Tuo, S.; Velkovska, J.; Xu, Q.; Arenton, M. W.; Barria, P.; Cox, B.; Goodell, J.; Hirosky, R.; Ledovskoy, A.; Li, H.; Neu, C.; Sinthuprasith, T.; Sun, X.; Wang, Y.; Wolfe, E.; Xia, F.; Clarke, C.; Harr, R.; Karchin, P. E.; Lamichhane, P.; Sturdy, J.; Belknap, D. A.; Dasu, S.; Dodd, L.; Duric, S.; Gomber, B.; Grothe, M.; Herndon, M.; Hervé, A.; Klabbers, P.; Lanaro, A.; Levine, A.; Long, K.; Loveless, R.; Ojalvo, I.; Perry, T.; Polese, G.; Ruggles, T.; Savin, A.; Smith, N.; Smith, W. H.; Taylor, D.; Woods, N.

    2017-02-01

    Measurements of two- and multi-particle angular correlations in pp collisions at √{ s} = 5 , 7, and 13TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0pb-1 (5 TeV), 6.2pb-1 (7 TeV), and 0.7pb-1 (13 TeV), were collected using the CMS detector at the LHC. The second-order (v2) and third-order (v3) azimuthal anisotropy harmonics of unidentified charged particles, as well as v2 of KS0 and Λ / Λ ‾ particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the v2 values of charged hadrons (mostly pions), KS0 , and Λ / Λ ‾, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below pT ≈ 2GeV/ c. For 13 TeV data, the v2 signals are also extracted from four- and six-particle correlations for the first time in pp collisions, with comparable magnitude to those from two-particle correlations. These observations are similar to those seen in pPb and PbPb collisions, and support the interpretation of a collective origin for the observed long-range correlations in high-multiplicity pp collisions.

  15. Evidence for collectivity in pp collisions at the LHC

    Energy Technology Data Exchange (ETDEWEB)

    Khachatryan, Vardan; et al.

    2016-06-20

    Measurements of two- and multi-particle angular correlations in pp collisions at sqrt(s) = 5, 7, and 13 TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0 inverse picobarns (5 TeV), 6.2 inverse picobarns (7 TeV), and 0.7 inverse picobarns (13 TeV), were collected using the CMS detector at the LHC. The second-order (v[2]) and third-order (v[3]) azimuthal anisotropy harmonics of unidentified charged particles, as well as v[2] of K0 short and Lambda/anti-Lambda particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the v[2] values of charged hadrons (mostly pions), K0 short, and Lambda/anti-Lambda, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below pt~2 GeV/c. For 13 TeV data, the v[2] signals are also extracted from four- and six-particle correlations for the first time in pp collisions, with comparable magnitude to those from two-particle correlations. These observations are similar to those seen in pPb and PbPb collisions, and support the interpretation of a collective origin for the observed long-range correlations in high-multiplicity pp collisions.

  16. Heavy neutrinos and the $pp\\to lljj$ CMS data

    CERN Document Server

    Gluza, J

    2015-01-01

    We show that the excess in the $pp \\to ee jj$ CMS data can be naturally interpreted within the Minimal Left Right Symmetric model (MLRSM), keeping $g_L = g_R$, if CP phases and non-degenerate masses of heavy neutrinos are taken into account. As an additional benefit, a natural interpretation of the reported ratio (14:1) of the opposite-sign (OS) $pp\\to l^\\pm l^\\mp jj$ to the same-sign (SS) $pp\\to l^\\pm l^\\pm jj$ lepton signals is possible. Finally, a suppression of muon pairs with respect to electron pairs in the $pp \\to lljj$ data is obtained, in accordance with experimental data. If the excess in the CMS data survives in the future, it would be a first clear hint towards presence of heavy neutrinos in right-handed charged currents with specific CP phases, mixing angles and masses, which will have far reaching consequences for particle physics directions.

  17. New results of the Borexino experiment: pp solar neutrino detection

    Science.gov (United States)

    Davini, S.; Bellini, G.; Benziger, J.; Bick, D.; Bonfini, G.; Bravo, D.; Caccianiga, B.; Calaprice, F.; Caminata, A.; Cavalcante, P.; Chepurnov, A.; D'Angelo, D.; Derbin, A.; Etenko, A.; Fomenko, K.; Franco, D.; Galbiati, C.; Ghiano, C.; Goretti, A.; Gromov, M.; Ianni, Aldo; Ianni, Andrea; Kobychev, V.; Korablev, D.; Korga, G.; Kryn, D.; Laubenstein, M.; Lewke, T.; Litvinovich, E.; Lombardi, F.; Lombardi, P.; Ludhova, L.; Lukyanchenko, G.; Machulin, I.; Manecki, S.; Maneschg, W.; Marcocci, S.; Meroni, E.; Misiaszek, M.; Mosteiro, P.; Muratova, V.; Oberauer, L.; Obolensky, M.; Ortica, F.; Otis, K.; Pallavicini, M.; Papp, L.; Pocar, A.; Ranucci, G.; Razeto, A.; Re, A.; Romani, A.; Rossi, N.; Salvo, C.; Schönert, S.; Simgen, H.; Skorokhvatov, M.; Smirnov, O.; Sotnikov, A.; Sukhotin, S.; Suvorov, Y.; Tartaglia, R.; Testera, G.; Vignaud, D.; Vogelaar, R. B.; Winter, J.; Wojcik, M.; Wurm, M.; Zaimidoroga, O.; Zavatarelli, S.; Zuzel, G.

    2016-07-01

    The Borexino experiment is an ultra-pure liquid scintillator detector, running at Laboratori Nazionali del Gran Sasso (Italy). Borexino has completed the real time spectroscopy of the solar neutrinos generated in the proton-proton chain in the core of the Sun. This article reviews the Borexino experiment and the first direct measurment of pp solar neutrinos.

  18. " Quaderni di filologia e lingue romanze ", Ricerche svolte nell'Università degli Studi di Macerata, Macerata: vol. 11 (1996, pp. 283 + indice; vol. 12 (1997, pp. 360 + Supplemento Atti di Convegno "Rapporticulturali fra Italia e Spagna", Macerata 7-9 m

    Directory of Open Access Journals (Sweden)

    Pavao Tekavčić

    1998-12-01

    Full Text Available Il periodico maceratese continua ad uscire col ritmo consueto e le caratteristiche gia note, sicché possiamo abbreviare la presente recensione limitandoci, come finora, ai contributi linguistici, in parte anche filologici, e citando soltanto i dati bibliografici per i testi di altri argomenti. Come nei volumi precedenti, i contributi di argomento letterario sono in schiacciante maggioranza.

  19. Space HVAC systems - a manual. Vol. 3. Constructional elements. Handbuch der Klimatechnik. Bd. 3. Bauelemente

    Energy Technology Data Exchange (ETDEWEB)

    1988-01-01

    Vol. 3 of this series describes the design, function and fundamentals of calculation of air conditioning system elements and gives hints on their fields of application. Subjects: Heat transfer media; air moisturizers and dehumidifiers and their application in HVAC systems; refrigerators; air filters; ducts and auxiliary elements; fans; air conditioners; measuring methods and equipment for HVAC systems; fire protection and mechanical smoke prevention; clean room technology. (HWJ).

  20. Substâncias voláteis em mel floral e mel de melato

    Directory of Open Access Journals (Sweden)

    CAMPOS Gisélia

    2000-01-01

    Full Text Available Embora pareça existir um "flavor" característico de mel, a grande variedade de flores disponíveis para a abelha, possibilita uma grande diversidade de flavor e aroma, indicando a presença de vários componentes voláteis. Alguns destes dependem da fisiologia da abelha, dos procedimentos após a colheita e no mel de melato há também a interferência de insetos sugadores e das formigas. Várias substâncias voláteis já foram identificadas, sendo algumas características de determinados méis uniflorais. Com o objetivo de encontrar uma substância volátil característica do mel de melato, seis amostras deste tipo de mel e seis amostras de mel floral foram analisadas usando extração por arraste de gás hidrogênio e cromatografia a gás acoplada a espectrometria de massas. Ácido acético foi encontrado em quatro amostras de mel de melato e em uma amostra de mel floral porém, com menor abundância.

  1. Toughening of wood plastic composite based on X-PP

    Science.gov (United States)

    Meekum, U.; Khongrit, A.

    2016-03-01

    Wood plastic composite(WPC) based on crosslinked polypropylene(X-PP)/wood flour was explored. The peroxide/silane was used as crosslinking system. The sauna incubation under moisture saturated oven was applied to accelerate the competition of the siloxy/moisture networking reaction. There were three parts of the research work; design of experiment, toughening of WPC and the effect of peroxide, silane and PP copolymer on properties of the WPC, respectively. In this published work, the toughness improvement of the composite was focused. Ultra-high molecular weight polyethylene (UHMWPE) and Ethylene propylene diene terpolymer(EPDM) were employed to improve impact strength via blending with x-PP matrix. Composites were compounded into pellets by co-rotational twin screw extruder and test specimens were prepared by injection molding. Sauna incubation at 105°C for 12 hrs in oven chamber was performed to accelerate the final silane condensation crosslink reaction. MFI, impact strength, flexural properties and heat deflection temperature measurement were conducted. Impact strength, HDT and flexural modulus were improved with increasing UHMWPE content, and the optimal values around 5-10 phr of UHMWPE were achieved. Addition of EPDM elastomer to the matrix blends, reduced flexural strength and modulus but increased impact strength. While incorporation of EPDM into the PP/UHMWPE blends was exhibited much higher impact strength than that of the PP/UHMWPE binary blends. Silane crosslinked through sauna treatment improved the impact strength. HDT were also much risen for the crosslinked composite comparing with the non-crosslinked one.

  2. Wooden windows and doors. Vol. 2. Construction, connections, surfaces, energy conservation; Holzfenster und -tueren. Bd. 2. Konstruktion, Anschluesse, Oberflaechen, Energieeinsparung

    Energy Technology Data Exchange (ETDEWEB)

    Arnold, Ulrich; Huckfeldt, Tobias; Wenk, Hans-Joachim (eds.)

    2012-07-01

    Vol. II supplements and complements Vol. I with much additional information. While Vol. I focused exclusively on wooden windows, Vol. II goes into wooden doors, frames, connections, armature technology, folding and rolling shutters, skylights, wooden replacement parts, replacement parts made of other materials, and energy conservation. Other subjects like armatures, glazing, damage, repair, restoration, maintenance and regulations are presented in more detail. [German] Als Band II ergaenzt und komplettiert das Buch den ersten Band ''Holzfenster'' mit zahlreichen flankierenden Themenbereichen. Waehrend sich Band I ausschliesslich auf Holzfenster konzentriert, erschliesst Band II neue Bereiche, wie Holztueren, Rahmenkonstruktionen, Anschluesse, Beschlagtechnik, Fenster- und Rolllaeden, Dachflaechenfenster, Vollholzergaenzungen, Holzersatzmaterialien oder Energieeinsparung. Weitere Themen, wie Beschlaege, Verglasungen, Schaeden, Sanierung, Restaurierung, Wartung und Regelwerke, werden vertieft und ergaenzt.

  3. Vol. 4(1), S/No 13, January, 2015:241-251 ISSN: 2225-8590 (Print ...

    African Journals Online (AJOL)

    DR Nneka

    2015-01-13

    Jan 13, 2015 ... Indexed African Journals Online (Ajol) www.ajol.info. Vol. 4(1), S/No 13, ... potentials for addressing imports of “cross-cultural encounter” between Europe and. Africa. It also poses ..... interactive marketing communications.

  4. Effects of PP4 suppression on the proliferation of MCF7 cells

    Institute of Scientific and Technical Information of China (English)

    NING Lifeng; LONG Zhitao; HUANG Xiuqing; SUN Lingling; SANG Jianli

    2006-01-01

    PP4, one of the few protein phosphatases associated with centrosome in cells of many species such as Drosophila, C. elegans and mammals, plays an essential role in the regulation of centrosome functions in Drosophila and C. elegans. In order to explore the role of PP4 in mammalian cells, full-length PP4 gene was obtained by RT-PCR from MCF7 cell total RNA and inserted into eukaryotic expression vector pEGFP-C1. The resultant construct pEGFP-C1-PP4 was transfected into MCF7 cells and immunostaining was carried out to confirm the centrosome localization of PP4. Then we reversely subcloned a non-conserved domain of PP4 into pXJ41 to construct an anti-sense vector pXJ41- as-PP4. By transfecting pXJ41-as-PP4 into MCF7 cells and screening with G418, we obtained a stable cell line in which PP4 expression was stably suppressed. The cell line was analyzed on cell morphology, cytoskeleton structure, growth characteristics and the mitosis process. It was found that the proliferation rate decreased and serum-dependence increased in PP4-suppressed cells. Furthermore, flow cytometry and mitotic index analysis showed that G2/M transition was prolonged. PP4 suppression resulted in abnormal interphase microtubule, formation of multipolar spindles and an increase in percentage of multinuclear cells. These results suggested that PP4 is required for centrosome function in mammalian cells.

  5. Core drilling of hydco drillholes ONK-PP262 and ONK-PP274 in ONKALO at Olkiluoto 2010

    Energy Technology Data Exchange (ETDEWEB)

    Toropainen, V. [Suomen Malmi Oy, Espoo (Finland)

    2011-10-15

    Suomen Malmi Oy (Smoy) core drilled two drillholes for HYDCO-program in ONKALO at Eurajoki, Olkiluoto in 2010. The drillhole ONK-PP262 was drilled in May 2010 and the drillhole ONK-PP274 in December 2010. The lengths of the drillholes are 25.02 and 23.88 m respectively. The drillholes are 75.7 mm by diameter. The drillholes were drilled in the investigation niche 4 at the access tunnel chainage 3747. The hydraulic DE 130 drilling rig was used. The drilling water was taken from the ONKALO drilling water pipeline and premixed sodium fluorescein was used as a label agent in the drilling water. The drillholes were measured with EMS deviation survey tool. In addition to drilling the drillcores were logged and reported by geologist. Geological logging included the following parameters: lithology, foliation, fracture parameters, fractured zones, core loss, weathering, fracture frequency, RQD and rock quality. The main rock types in the drillholes are veined gneiss and pegmatitic granite. The average fracture frequencies in both drill cores are 1.4 pcs/m. The average RQD values in the drillcores are 97.2 % (ONK-PP262) and 98.6 % (ONK-PP274). (orig.)

  6. Comparison of anti pp and pp elastic scattering with 0. 6 < t < 2. 1 GeV/sup 2/ at the CERN-ISR

    Energy Technology Data Exchange (ETDEWEB)

    Erhan, S.; Smith, A.M.; Meritet, L.; Reyrolle, M.; Vazeille, F.; Bonino, R.; Castellina, A.; Medinnis, M.; Schlein, P.E.; Sherwood, P.

    1985-02-28

    anti pp and pp elastic scattering differential cross sections are presented for momentum transfer 0.6 < t < 2.1 GeV/sup 2/ and ..sqrt..s=53 GeV. Measurements were made in the same apparatus at the CERN Intersecting Storage Rings. The anti pp and pp results are in statistical agreement with one another over the entire t range, although the point at t=1.32 GeV/sup 2/ is 1.5sigma above the pp data. The anti pp points appear to have the same shape as the predictions of Donnachie and Landshoff but are significantly lower in magnitude for 0.9 < t < 1.5 GeV/sup 2/. (orig.).

  7. Comparison of anti pp and pp elastic scattering with 0. 6

    Energy Technology Data Exchange (ETDEWEB)

    Erhan, S.; Smith, A.M. (European Organization for Nuclear Research, Geneva (Switzerland)); Meritet, L.; Reyrolle, M.; Vazeille, F. (Clermont-Ferrand-2 Univ., 63 - Aubiere (France). Lab. de Physique Corpusculaire); Bonino, R.; Castellina, A.; Medinnis, M.; Schlein, P.E.; Sherwood, P.

    1985-02-28

    anti pp and pp elastic scattering differential cross sections are presented for momentum transfer 0.6pp and pp results are in statistical agreement with one another over the entire t range, although the point at t=1.32 GeV/sup 2/ is 1.5sigma above the pp data. The anti pp points appear to have the same shape as the predictions of Donnachie and Landshoff but are significantly lower in magnitude for 0.9

  8. PREFACE: Quantum Optics III

    Science.gov (United States)

    Orszag, M.; Retamal, J. C.; Saavedra, C.; Wallentowitz, S.

    2007-06-01

    All the 50 years of conscious pondering did not bring me nearer to an answer to the question `what is light quanta?'. Nowadays, every rascal believes, he knows it, however, he is mistaken. (A Einstein, 1951 in a letter to M Besso) Quantum optics has played a key role in physics in the last several decades. On the other hand, in these early decades of the information age, the flow of information is becoming more and more central to our daily life. Thus, the related fields of quantum information theory as well as Bose-Einstein condensation have acquired tremendous importance in the last couple of decades. In Quantum Optics III, a fusion of these fields appears in a natural way. Quantum Optics III was held in Pucón, Chile, in 27-30 of November, 2006. This beautiful location in the south of Chile is near the lake Villarrica and below the snow covered volcano of the same name. This fantastic environment contributed to a relaxed atmosphere, suitable for informal discussion and for the students to have a chance to meet the key figures in the field. The previous Quantum Optics conferences took place in Santiago, Chile (Quantum Optics I, 2000) and Cozumel, Mexico (Quantum Optics II, 2004). About 115 participants from 19 countries attended and participated in the meeting to discuss a wide variety of topics such as quantum-information processing, experiments related to non-linear optics and squeezing, various aspects of entanglement including its sudden death, correlated twin-photon experiments, light storage, decoherence-free subspaces, Bose-Einstein condensation, discrete Wigner functions and many more. There was a strong Latin-American participation from Argentina, Brazil, Chile, Colombia, Peru, Uruguay, Venezuela and Mexico, as well as from Europe, USA, China, and Australia. New experimental and theoretical results were presented at the conference. In Latin-America a quiet revolution has taken place in the last twenty years. Several groups working in quantum optics and

  9. Synthesis and characterization of three-coordinate Ni(III)-imide complexes.

    Science.gov (United States)

    Iluc, Vlad M; Miller, Alexander J M; Anderson, John S; Monreal, Marisa J; Mehn, Mark P; Hillhouse, Gregory L

    2011-08-24

    A new family of low-coordinate nickel imides supported by 1,2-bis(di-tert-butylphosphino)ethane was synthesized. Oxidation of nickel(II) complexes led to the formation of both aryl- and alkyl-substituted nickel(III)-imides, and examples of both types have been isolated and fully characterized. The aryl substituent that proved most useful in stabilizing the Ni(III)-imide moiety was the bulky 2,6-dimesitylphenyl. The two Ni(III)-imide compounds showed different variable-temperature magnetic properties but analogous EPR spectra at low temperatures. To account for this discrepancy, a low-spin/high-spin equilibrium was proposed to take place for the alkyl-substituted Ni(III)-imide complex. This proposal was supported by DFT calculations. DFT calculations also indicated that the unpaired electron is mostly localized on the imide nitrogen for the Ni(III) complexes. The results of reactions carried out in the presence of hydrogen donors supported the findings from DFT calculations that the adamantyl substituent was a significantly more reactive hydrogen-atom abstractor. Interestingly, the steric properties of the 2,6-dimesitylphenyl substituent are important not only in protecting the Ni═N core but also in favoring one rotamer of the resulting Ni(III)-imide, by locking the phenyl ring in a perpendicular orientation with respect to the NiPP plane.

  10. USSR Report, Space Biology and Aerospace Medicine, Vol. 18, No. 3, May-June 1984

    Science.gov (United States)

    2007-11-02

    C), vitamins Bx (thiamin), PP ( nicotinamide ) and Bi6 (calcium pangamate) has specific effects. These vitamins increase work capacity, particularly...pressor effect in 72% after stimulation of mechanoreceptors and chemoreceptors of internal organs, skin and muscles. There is distinct demonstration

  11. RICCATI EQUATIONS ON NONCOMMUTATIVE BANACH ALGEBRAS (vol 49, pg 2542, 2011)

    NARCIS (Netherlands)

    Curtain, Ruth

    2013-01-01

    This paper contains corrections to [R. Curtain, SIAM J. Control Optim., 49 (2011), pp. 2542-2557]. While all claims remain valid, and the proof for the linear quadratic Riccati equations is correct, this proof does not cover the positive-real and bounded-real Riccati equations. Here a correct proof

  12. PP-g-(MAH-co-St)增容PA6/PP研究%Study on Toughening for PA6/PP Blends by PP-g-(MAH-co-St)

    Institute of Scientific and Technical Information of China (English)

    张甲敏; 陈军龙; 赵文庆; 廉全贵

    2013-01-01

    以马来酸酐、苯乙烯多单体熔融接枝聚丙烯(PP)[PP-g-(MAH-co-St)]为增容剂,制备了尼龙(PA)6/PP/PP-g-(MAH-co-St)共混物,研究了PP-g-(MAH-co-St)用量对共混物性能的影响。结果表明,加入一定量的PP-g-(MAH-co-St)能有效改善PA6与PP间的相容性,提高共混物的力学性能。对不同拉伸速率的拉伸试样进行了差示扫描量热分析,结果发现取向对PA6的结晶温度和熔融温度有一定影响。%The PA6/PP alloy was obtained through the compatibilization of melt grafting maleic anhydride and styrene onto polypropylene PP-g-(MAH-co-St).The effects of varied content of PP-g-(MAH-co-St) on alloy properties were studied.The results show that proper content of PP-g-(MAH-co-St) can effectively improve the compatibility of PA6 and PP,so as to improve the properties of the alloy.The tensile specimens of different rates were determined by after DSC analysis.Results show that orientation of PA6 affects the crystallization temperature and melting temperature.

  13. Non-Isothermal Crystallization of PP/HGB Composites%PP/空心玻璃微珠复合材料非等温结晶研究

    Institute of Scientific and Technical Information of China (English)

    李军伟; 赵巍; 李勇

    2012-01-01

    采用熔融共混挤出的方法,制备了聚丙烯(PP)/空心玻璃微珠(HGB)复合材料,用差示扫描量热法研究了PP和PP/HGB复合材料的非等温结晶过程,并通过Jeziorny和莫志深方程研究了非等温结晶动力学.结果表明,随降温速率的增大,PP和PP/HGB复合材料的结晶峰温和结晶度降低,结晶速率增大;HGB的加入降低了PP的结晶速率.%The polypropylene/hollow glass beads (PP/HGB) composites were prepared by a melt-extrusion method, and the non-isothermal crystallization behavior of pure PP and PP/ HGB composites was characterized via a differential scanning calorimetry (DSC). The non-isothermal crystallization kinetics of the samples were discussed by Jeziorny and Mo equations, respectively. The results show that with increasing of the cooling rate, the crystallization temperature and crystallinity of PP and PP/HGB composites decrease, while the crystallization rate increases. However, HGB reduces the crystallization rate of PP.

  14. Failure to Adhere to Protocol Specified Radiation Therapy Guidelines Was Associated With Decreased Survival in RTOG 9704 - A Phase III Trial of Adjuvant Chemotherapy and Chemoradiotherapy for Patients with Resected Adenocarcinoma of the Pancreas

    Science.gov (United States)

    Abrams, Ross A.; Winter, Kathryn A.; Regine, William F.; Safran, Howard; Hoffman, John P.; Lustig, Robert; Konski, Andre A.; Benson, Al B.; Macdonald, John S.; Rich, Tyvin A.; Willett, Christopher G.

    2011-01-01

    Purpose In RTOG 9704, as previously published, patients with resected pancreatic adenocarcinoma received continuous infusion 5-FU and concurrent radiotherapy (5FU-RT). 5FU-RT treatment was preceded and followed by randomly assigned chemotherapy, either 5-FU or gemcitabine. This analysis explored whether failure to adhere to specified RT guidelines influenced survival and/or toxicity. Methods and Materials RT requirements were protocol specified. Adherence was scored as per protocol (PP) or less than per protocol (<PP). Scoring occurred following therapy but prior to trial analysis and without knowledge of individual patient treatment outcomes. Scoring was done for all tumor locations and for the subset of pancreatic head location. Results RT was scored for 416 patients: 216 PP and 200 <PP. For all pancreatic sites (head, body/tail) median survival (MS) for PP vs. <PP was 1.74 vs. 1.46 years (log-rank p=0.0077). In multivariate analysis, PP vs. <PP score correlated more strongly with MS than assigned treatment arm (p=0.014, p=NS, respectively); for patients with pancreatic head tumors, both PP score and gemcitabine treatment correlated with improved MS (p=0.016, p=0.043, respectively). For all tumor locations PP score was associated with decreased risk of failure (p=0.016) and, for gemcitabine patients, a trend toward reduced grade 4/5 non-hematologic toxicity (p=0.065). Conclusions This is the first phase III, multi-center, adjuvant protocol for pancreatic adenocarcinoma to evaluate the impact of adherence to specified RT protocol guidelines on protocol outcomes. Failure to adhere to specified RT guidelines was associated with reduced survival and, for patients receiving gemcitabine, trend toward increased non-hematologic toxicity. PMID:21277694

  15. Failure to Adhere to Protocol Specified Radiation Therapy Guidelines Was Associated With Decreased Survival in RTOG 9704-A Phase III Trial of Adjuvant Chemotherapy and Chemoradiotherapy for Patients With Resected Adenocarcinoma of the Pancreas

    Energy Technology Data Exchange (ETDEWEB)

    Abrams, Ross A., E-mail: Ross_a_abrams@rush.edu [Rush University Medical Center, Chicago, IL (United States); Winter, Kathryn A. [Radiation Therapy Oncology Group Statistical Center, Philadelphia, PA (United States); Regine, William F. [University of Maryland, Baltimore, MD (United States); Safran, Howard [Brown University, Providence, RI (United States); Hoffman, John P. [Fox Chase Cancer Center, Philadelphia, PA (United States); Lustig, Robert [Radiation Therapy Oncology Group Statistical Center, Philadelphia, PA (United States); Konski, Andre A. [Wayne State Medical Center, Detroit, MI (United States); Benson, Al B. [Northwestern University, Chicago, IL (United States); Macdonald, John S. [St. Vincent' s Cancer Care Center, New York, NY (United States); Rich, Tyvin A. [University of Virginia, Charlottesville, VA (United States); Willett, Christopher G. [Duke University, Durham, NC (United States)

    2012-02-01

    Purpose: In Radiation Therapy Oncology Group 9704, as previously published, patients with resected pancreatic adenocarcinoma received continuous infusion 5-FU and concurrent radiotherapy (5FU-RT). 5FU-RT treatment was preceded and followed by randomly assigned chemotherapy, either 5-FU or gemcitabine. This analysis explored whether failure to adhere to specified RT guidelines influenced survival and/or toxicity. Methods and Materials: RT requirements were protocol specified. Adherence was scored as per protocol (PP) or less than per protocol (<PP). Scoring occurred after therapy but before trial analysis and without knowledge of individual patient treatment outcomes. Scoring was done for all tumor locations and for the subset of pancreatic head location. Results: RT was scored for 416 patients: 216 PP and 200 <PP. For all pancreatic sites (head, body/tail) median survival (MS) for PP vs. <PP was 1.74 vs. 1.46 years (log-rank p = 0.0077). In multivariate analysis, PP vs. <PP score correlated more strongly with MS than assigned treatment arm (p = 0.014, p = NS, respectively); for patients with pancreatic head tumors, both PP score and gemcitabine treatment correlated with improved MS (p = 0.016, p = 0.043, respectively). For all tumor locations, PP score was associated with decreased risk of failure (p = 0.016) and, for gemcitabine patients, a trend toward reduced Grade 4/5 nonhematologic toxicity (p = 0.065). Conclusions: This is the first Phase III, multicenter, adjuvant protocol for pancreatic adenocarcinoma to evaluate the impact of adherence to specified RT protocol guidelines on protocol outcomes. Failure to adhere to specified RT guidelines was associated with reduced survival and, for patients receiving gemcitabine, trend toward increased nonhematologic toxicity.

  16. The PP1 binding code: a molecular-lego strategy that governs specificity.

    Science.gov (United States)

    Heroes, Ewald; Lesage, Bart; Görnemann, Janina; Beullens, Monique; Van Meervelt, Luc; Bollen, Mathieu

    2013-01-01

    Ser/Thr protein phosphatase 1 (PP1) is a single-domain hub protein with nearly 200 validated interactors in vertebrates. PP1-interacting proteins (PIPs) are ubiquitously expressed but show an exceptional diversity in brain, testis and white blood cells. The binding of PIPs is mainly mediated by short motifs that dock to surface grooves of PP1. Although PIPs often contain variants of the same PP1 binding motifs, they differ in the number and combination of docking sites. This molecular-lego strategy for binding to PP1 creates holoenzymes with unique properties. The PP1 binding code can be described as specific, universal, degenerate, nonexclusive and dynamic. PIPs control associated PP1 by interference with substrate recruitment or access to the active site. In addition, some PIPs have a subcellular targeting domain that promotes dephosphorylation by increasing the local concentration of PP1. The diversity of the PP1 interactome and the properties of the PP1 binding code account for the exquisite specificity of PP1 in vivo.

  17. The role of the carbohydrate recognition domain of placental protein 13 (PP13 in pregnancy evaluated with recombinant PP13 and the DelT221 PP13 variant.

    Directory of Open Access Journals (Sweden)

    Marei Sammar

    Full Text Available Placental protein 13 (PP13, a placenta specific protein, is reduced in the first trimester of pregnancy in women who subsequently develop preeclampsia. A naturally occurring PP13 deletion of thymidine at position 221 (DelT221 or truncated variant is associated with increased frequency of severe preeclampsia. In this study we compared the full length (wildtype PP13 and the truncated variant.Full length PP13 or its DelT221 variant were cloned, expressed and purified from E-Coli. Both variants were administrated into pregnant rats at day 8 of pregnancy for slow release (>5 days through osmotic pumps and rat blood pressure was measured. Animals were sacrificed at day 15 or day 21 and their utero-placental vasculature was examined.The DelT221 variant (11 kDA lacked exon 4 and a part of exon 3, and is short of 2 amino acids involved in the carbohydrate (CRD binding of the wildtype (18 kDA. Unlike the wildtype PP13, purification of DelT221 variant required special refolding. PP13 specific poly- clonal antibodies recognized both PP13 and DelT221 but PP13 specific monoclonal antibodies recognized only the wildtype, indicating the loss of major epitopes. Wildtype PP13 mRNA and its respective proteins were both lower in PE patients compared to normal pregnancies. The DelT221 mutant was not found in a large Caucasian cohort. Pregnant rats exposed to wildtype or DelT221 PP13 variants had significantly lower blood pressure compared to control. The wildtype but not the DelT221 mutant caused extensive vein expansion.This study revealed the importance of PP13 in regulating blood pressure and expanding the utero-placental vasculature in pregnant rats. PP13 mutant lacking amino acids of the PP13 CRD domain fails to cause vein expansion but did reduce blood pressure. The study provides a basis for replenishing patients at risk for preeclampsia by the full length but not the truncated PP13.

  18. Molecular mutagenesis of ppGpp: turning a RelA activator into an inhibitor

    Science.gov (United States)

    Beljantseva, Jelena; Kudrin, Pavel; Jimmy, Steffi; Ehn, Marcel; Pohl, Radek; Varik, Vallo; Tozawa, Yuzuru; Shingler, Victoria; Tenson, Tanel; Rejman, Dominik; Hauryliuk, Vasili

    2017-01-01

    The alarmone nucleotide (p)ppGpp is a key regulator of bacterial metabolism, growth, stress tolerance and virulence, making (p)ppGpp-mediated signaling a promising target for development of antibacterials. Although ppGpp itself is an activator of the ribosome-associated ppGpp synthetase RelA, several ppGpp mimics have been developed as RelA inhibitors. However promising, the currently available ppGpp mimics are relatively inefficient, with IC50 in the sub-mM range. In an attempt to identify a potent and specific inhibitor of RelA capable of abrogating (p)ppGpp production in live bacterial cells, we have tested a targeted nucleotide library using a biochemical test system comprised of purified Escherichia coli components. While none of the compounds fulfilled this aim, the screen has yielded several potentially useful molecular tools for biochemical and structural work. PMID:28157202

  19. Cytosolic ppGpp accumulation induces retarded plant growth and development.

    Science.gov (United States)

    Ihara, Yuta; Masuda, Shinji

    2016-01-01

    In bacteria a second messenger, guanosine 5'-diphosphate 3'-diphosphate (ppGpp), synthesized upon nutrient starvation, controls many gene expressions and enzyme activities, which is necessary for growth under changeable environments. Recent studies have shown that ppGpp synthase and hydrolase are also conserved in eukaryotes, although their functions are not well understood. We recently showed that ppGpp-overaccumulation in Arabidopsis chloroplasts results in robust growth under nutrient-limited conditions, demonstrating that the bacterial-like stringent response at least functions in plastids. To test if ppGpp also functions in the cytosol, we constructed the transgenic Arabidopsis expressing Bacillus subtilis ppGpp synthase gene yjbM. Upon induction of the gene, the mutant synthesizes ∼10-20-fold higher levels of ppGpp, and its fresh weight was reduced to ˜80% that of the wild type. These results indicate that cytosolic ppGpp negatively regulates plant growth and development.

  20. Smearing of chaos in sandwich pp-waves

    CERN Document Server

    Podolsky, J

    1999-01-01

    Recent results demonstrating the chaotic behavior of geodesics in non-homogeneous vacuum pp-wave solutions are generalized. Here we concentrate on motion in non-homogeneous sandwich pp-waves and show that chaos smears as the duration of these gravitational waves is reduced. As the number of radial bounces of any geodesic decreases, the outcome channels to infinity become fuzzy, and thus the fractal structure of the initial conditions characterizing chaos is cut at lower and lower levels. In the limit of impulsive waves, the motion is fully non-chaotic. This is proved by presenting the geodesics in a simple explicit form which permits a physical interpretation, and demonstrates the focusing effect. It is shown that a circle of test particles is deformed by the impulse into a family of closed hypotrochoidal curves in the transversal plane. These are deformed in the longitudinal direction in such a way that a specific closed caustic surface is formed.

  1. LDPE and PP thermal diffusivity in molten state

    Directory of Open Access Journals (Sweden)

    Genhli Yánez

    2012-10-01

    Full Text Available Experimental results are reported for measuring the thermal diffusivity of two polymer species: low density polyethylene (LDPE and polypropylene (PP. Measurements were taken in unsteady state heat flow conditions around the materials' melting temperature, using a device specially constructed for this purpose. The experimental results for the sample's temperature profile (temperature gradient product were adjusted with the theoretical results obtained by solving the heat conduction equation. Diffusivity values were α=6.92×(10^(-7 m^2⁄s for LDPE and α=5.53×(10^(-7 m^2⁄s for PP. This was pioneering work in measuring this property at high temperatures in non-stationary state heat flow conditions and should be useful in the search for improving the conditions for processing these materials.

  2. Celestine III and the North

    DEFF Research Database (Denmark)

    Nielsen, Torben Kjersgaard

    2008-01-01

    Artiklen gennemgår pave Cølestin IIIs forhold til de nordiske kongeriger i perioden 1191-1198. Artiklen viser, at paven, som i forskningen traditionelt år har stået i skyggen af sin berømte, energiske og især: yngre efterfølger, Innocens III, har været på forkant med udviklingen i de nordiske rig...

  3. Vol. 385

    Institute of Scientific and Technical Information of China (English)

    2012-01-01

    A Comparative Study of Family Migi'ation in Floating Population Between the Generations -80' s and Post-80' s Shao Cen & Zhang Before Yi(1) Abstract: Based on the data of "Nationwide Dynamic Monitoring of Floating Population in the Second Half of 2010", the difference of family migration behavior between two generations of floating population--be- fore - 80' s and post - 80' s is discussed under the analytical framework of Classical Migration Theory and NELM in this paper. The study has found that the significant intergenerational differences exist in educa- tion levels and employment, which exerts significant influence on family migration behavior. On the other side, there is no significant difference in influential factors on family migration as residence time, the fam- ily income in immigrant city, remittance between two generations of floating population, in which the in- tergenerational consistency is noticeable. Key Words:Floating Population Intergenerational Difference Family Migration

  4. Preparation and properties of PVAc-nano-OMMT/PP-EVA composite%PVAc-nano-OMMT/PP-EVA复合材料的制备与性能

    Institute of Scientific and Technical Information of China (English)

    刘玲; 郭海福; 曾幸荣; 赖学军

    2011-01-01

    利用乳液聚合法引发醋酸乙烯酯(VAc)在有机蒙脱土(OMMT)中原位插层聚合,与聚丙烯(PP)-乙烯-醋酸乙烯酯共聚物(EVA)复合体系熔融共挤制备出PVAe-nano-0MMT/PP-EVA复合材料.X射线衍射(XRD)与透射电镜(TEM)测试结果表明,在强剪切作用下,PVAc-nano-OMMT/PP-EVA形成了剥离型纳米复合材料结构;热失重(TGA)测试结果显示PVAc-nano-OMMT/PP-EVA的起始分解温度明显高于PP-EVA和nanoOMMT/PP-EVA,PVAc-nano-OMMT的存在使材料的热性能得以改善;在PVAc-nano-OMMT/PP-EVA共混物中,PVAc-nano-OMMT具有明显的增韧作用;通过氧指数(LOI)和锥形量热(CONE)测试,PVAe-nano-OMMT/PP-EVA的氧指数为24.1%,可较大幅度地降低材料燃烧的热释放程度、有效燃烧热和烟释放过程,阻燃性能提高.%The in suit intercalated polymerization of vinyl acetate (VAc) and organophilic montmorillonite (OMMT) was initiated via emulsion polymerization and obtained polyvinylacetate (PVAc)-nano-OMMT hybrid.Twofold blend composed of PVAc-nano-OMMT/PP-EVA was prepared by twin-screw extruder way, and X-ray diffraction (XRD) result shows that the structure of PVAc-nano-OMMT/PP-EVA is be treated as exfoliated nanocomposite structure during application of higher shear stress to system, and transmission electron microscopy (TEM) observation gives the same result directly. Thermo gravimetric analysis (TGA) results show that the initial decomposition temperature of PVAc-nano-OMMT/PP-EVA is greater than that of PP-EVA and nano-OMMT/PP-EVA, the existence of PVAc-nano- OMMT makes composite better thermal stability. In the PVAc- nanoOMMT/PP-EVA composite, PVAc-nano-OMMT has better toughness. Limiting oxygen index (LOI) and cone calorimeter test indicate that LOI of PVAc-nano-OMMT/PP-EVA is 24. 1%, and has lower heat release rate,effective heat of combustion, smoke release course, and better flame retardancy.

  5. Strange baryon resonances in pp collisions measured with HADES

    Energy Technology Data Exchange (ETDEWEB)

    Siebenson, Johannes, E-mail: johannes.siebenson@ph.tum.de [Technische Universitaet Muenchen, Excellence Cluster Universe (Germany); Collaboration: HADES Collaboration; and others

    2012-12-15

    We present an analysis of the hyperons {Lambda}(1405) and {Sigma}(1385){sup + } for p+p reactions at 3.5 GeV kinetic beam energy. The data were taken with the High Acceptance Di-Electron Spectrometer (HADES). A {Lambda}(1405) signal could be reconstructed in both charged decay channels {Lambda}(1405){yields}{Sigma}{sup {+-}}{pi}{sup Minus-Or-Plus-Sign }. The obtained statistics of the {Sigma}(1385){sup + } signal allows also differential studies.

  6. Strange baryon resonances in pp collisions measured with HADES

    Science.gov (United States)

    Siebenson, Johannes

    We present an analysis of the hyperons Λ(1405) and Σ(1385) + for p+p reactions at 3.5 GeV kinetic beam energy. The data were taken with the High Acceptance Di-Electron Spectrometer (HADES). A Λ(1405) signal could be reconstructed in both charged decay channels Λ(1405)→Σ± π ∓ . The obtained statistics of the Σ(1385) + signal allows also differential studies.

  7. Color dipole chain and its hadronization in pp collision

    Institute of Scientific and Technical Information of China (English)

    赵晋全; 王群; 谢去病

    1995-01-01

    High energy pp collision is dealt with by double-string model. Each string corresponds to one initial color dipole which will radiate gluons to form color dipole chain. Such gluon radiation process is described by color dipole model. According to the quark combination rule, the total multiplicity formulae for calculating primary meson and baryon of one dipole chain are presented- The calculated yields of various final hadrons in energy range =53- 1 800GeV agree well with available data.

  8. Charmonium production in pp collisions with ALICE at the LHC

    CERN Document Server

    Hugo, Pereira Da Costa

    2016-01-01

    We report on forward-rapidity charmonium production in pp collisions at a center of mass energy $\\sqrt{s} = 13$ TeV, as measured by ALICE at the LHC. Differential cross sections for both J/{\\psi} and {\\psi}(2S) are presented as a function of the charmonium transverse momentum and rapidity. Results are compared to similar measurements performed by LHCb, to lower energy measurements and to state of the art model calculations.

  9. Multiparton interactions: From pp to pA

    CERN Document Server

    Bierlich, Christian

    2016-01-01

    In the process of understanding nuclear collisions, reliable extrapolations from pp collisions, based on Glauber models, are highly desirable, though seldomly accurate. We review the inclusion of diffractive excitations and argue that they provide an important contribution to centrality observables in pA collisions. We present a method for distinguishing between diffractively and non-diffractively wounded nucleons, and a proof-of-principle for an extrapolation of multiparton interaction models built on this.

  10. Prompt photon production in p-p collisions

    Energy Technology Data Exchange (ETDEWEB)

    Cleymans, J. [Univ. of Cape Town, Rondebosch (South Africa); Quack, E. [Gesellschaft fuer Schwerionenforschung, Darmstadt (Germany); Redlich, K. [Universitat Bielefeld (Germany)] [and others

    1995-07-01

    A systematic study of the inclusive photon cross-section in p-p collisions is presented. The dependence of the {gamma} rates on the renormalization and factorization scales is discussed. A comparison is made with experimental data for centre-of-mass energies ranging from 23 GeV to 1.8 TeV. Predictions of the cross-sections are given for two different sets of structure functions for RHIC and LHC energies.

  11. Observation of vertex factorisation breaking in central pp interactions

    CERN Document Server

    Barberis, D; Binon, Freddy G; Carney, J N; Di Bari, D; Dolgopolov, A V; Donskov, S V; Earl, B C; Elia, D; Evans, D; Fini, R A; French, Bernard R; Ghidini, B; Inaba, S; Inyakin, A V; Jacholkowski, A; Khaustov, G V; Kinashi, T; Kinson, J B; Kirk, A; Klempt, W; Kobayashi, M; Kondashov, A A; Kulchitskii, Yu A; Lednev, A A; Lenti, V; Lishin, V A; Loconsole, R A; Maljukov, S; Manzari, V; Martinengo, P; Minashvili, I A; Nakagawa, T; Navach, F; Norman, K L; Peigneux, J P; Polovnikov, S A; Polyakov, V A; Prokoshkin, Yu D; Romanovsky, V I; Rotscheidt, Herbert; Rusakovitch, N A; Samoylenko, V D; Semenov, A A; Sené, M; Sené, R; Shagin, P M; Shimizu, H M; Shtannikov, A V; Singovsky, A V; Soloviev, A S; Stroot, Jean-Pierre; Sugonyaev, V P; Takamatsu, K; Tchlatchidze, G A; Tsuru, T; Vasileiadis, G; Venables, M; Villalobos Baillie, O; Votruba, M F; Yasu, Y

    1996-01-01

    Central \\pipi events produced in pp interactions are studied in terms of correlations between the outgoing protons. It is observed there is more $\\rho^{0}$(770) and \\fmeson production in reactions where the outgoing protons %fastest and slowest particles in the laboratory frame are on opposite sides of the beam. This effect is not attributable to the trigger or the experimental acceptance, and suggests that the vertices do not factorise.

  12. Inclusive production of non-strange mesons in pp annihilations

    CERN Document Server

    Hamatsu, R; Barreiro, F; Cerrada, M; Cooper, A M; De Guevara, P L; Defoix, C; Díaz, J; Dobrzynski, L; Ferrando, A; Ganguli, S N; Gurtu, A; Malhotra, P K; Montanet, Lucien; Nacasch, R; Raghavan, R; Rubio, J A; Subramanian, A

    1977-01-01

    A study of the inclusive production of pi /sup -/, eta , rho /sup 0/, omega and f mesons in pp annihilation at 0.7 GeV/c is presented. Topological and channel cross sections are determined. Longitudinal and transversal momentum distributions of non-strange mesons are studied. It is deduced that nearly 48% of all negative pions arise from the decay of eta , rho /sup 0/, omega and f mesons. (22 refs).

  13. Dilepton production in pp and CC collisions with HADES

    CERN Document Server

    Fröhlich, I; Agodi, C; Balanda, A; Bellia, G; Belver, D; Belyaev, A; Blanco, A; Böhmer, M; Boyard, J L; Braun-Munzinger, P; Cabanelas, P; Castro, E; Chernenko, S P; Christ, T; Destefanis, M; Daz, J; Dohrmann, F; Durán, I; Eberl, T; Fabbietti, L; Fateev, O V; Finocchiaro, P; Fonte, Paulo J R; Friese, J; Galatyuk, T; Garzn, J A; Gernhuser, R; Gilardi, C; Golubeva, M; Gonzalez-Diaz, D; Grosse, E; Guber, F; Hadjivasiliou, C; Heilmann, M; Hennino, T; Holzmann, R; Ierusalimov, A; Iori, I; Ivashkin, A; Jurkovic, M; Kmpfer, B; Kanaki, K; Karavicheva, T; Kirschner, D; König, I; König, W; Kolb, B W; Kotte, R; Krizek, F; Krcken, R; Kugler, A; Khn, W; Kurepin, A; Lamas-Valverde, J; Lang, S; Lange, S; López, L; Mangiarotti, A; Marn, J; Markert, J; Metag, V; Michalska, B; Mishra, D; Moriniere, E; Mousa, J; Münch, M; Müntz, C; Naumann, Lutz; Novotny, R; Otwinowski, J; Pachmayer, Y C; Palka, M; Pechenov, V; Perez, T; Pietraszko, J; Pleskac, R; Pospsil, V; Przygoda, W; Ramstein, B; Reshetin, A; Roy-Stephan, M; Rustamov, A; Sadovskii, A; Sailer, B; Salabura, P; Schmah, A; Senger, P; Shileev, K A; Simon, R; Spataro, S; Spruck, B; Ströbele, H; Stroth, J; Sturm, C; Sudol, M; Teilab, K; Tlustý, P; Traxler, M; Trebacz, R; Tsertos, H; Veretenkin, I; Wagner, V; Wen, H; Wisniowski, M; Wojcik, T; Wüstenfeld, J; Zanevsky, Y; Zumbruch, P

    2007-01-01

    Dilepton production has been measured with HADES, the "High Acceptance DiElectron Spectrometer". In pp collisions at 2.2GeV kinetic beam energy, exclusive eta production and the Dalitz decay eta -> gamma e+e- has been reconstructed. The electromagnetic form factor is well in agreement with existing data. In addition, an inclusive e+e- spectrum from the C+C reaction at 2AGeV is presented and compared with a thermal model.

  14. Color screening, absorption and $\\sigma_{tot}^{pp}$ at LHC

    CERN Document Server

    Fiore, R; Zoller, V R

    2014-01-01

    We show that a growth of the proton-proton total cross section with energy can be entirely attributed to the purely perturbative mechanism. The infrared regularization at rather short distances, $R_c\\simeq 0.3$ fm, allows to extend the BFKL technique from deep inelastic to hadron-hadron scattering. With the account of the absorption corrections our results are in agreement with the LHC data on $\\sigma_{tot}^{pp}$.

  15. Probing TMDs in heavy quarkonium production in $pp$ collision

    CERN Document Server

    Mukherjee, Asmita

    2016-01-01

    We present a recent calculation of $J/\\psi$ and $\\Upsilon$ production in unpolarized $pp$ collision and show that this can be used to probe the unpolarized gluon as well as the linearly polarized gluon transverse momentum dependent parton distributions (TMDs). We use the color evaporation model for the heavy quarkonium production and use a generalized factorized form of the cross section. We compare the results with experimental data.

  16. Expression of protein phosphatases (PP-1, PP-2A, PP-2B and PTP-1B) and protein kinases (MAP kinase and P34cdc2) in the hippocampus of patients with Alzheimer disease and normal aged individuals.

    Science.gov (United States)

    Pei, J J; Sersen, E; Iqbal, K; Grundke-Iqbal, I

    1994-08-29

    Microtubule-associated protein tau is abnormally hyperphosphorylated in the brain of patients with Alzheimer disease (AD). Previous studies have shown (i) that in vitro tau can be phosphorylated to an Alzheimer abnormally phosphorylated state-like protein by proline-directed protein kinases MAP kinase and p34cdc2, and (ii) that the AD abnormally phosphorylated tau can be in vitro dephosphorylated by protein phosphatases PP-2B, PP-2A and PP-1 and not by PP-2C. However, to have a direct effect on the regulation of phosphorylation of tau, these enzymes should be present in the affected neurons. In the present study immunocytochemical localization of protein phosphatases PP-1, PP-2A, PP-2B and PTP, and protein kinases MAP kinase and p34cdc2 were studied in the hippocampal formation of AD and as a control in non-demented elderly patients. All the protein phosphatases and protein kinases studied were localized to both granular and pyramidal neurons. In the pyramidal neurons, the enzymes staining was observed in neuronal soma and neurites. PTP-1B, PP-1 and PP-2A were also highly expressed in microglia. The topographical distributions of all the enzymes studied were similar, i.e. the intensity of immunostaining in hippocampus in end-plate (CA3 and CA4) > prosubiculum, subiculum > entorhinal cortex > dentate gyrus > CA2 > CA1. Furthermore, the expression of all the enzymes was also observed in the tangle-bearing neurons. The PP-2B staining of the tangle-bearing neurons was weaker than the unaffected neurons in the same tissue section field in AD cases.

  17. BQP_p = PP for integer p > 2

    CERN Document Server

    Bebel, Joseph

    2011-01-01

    There's something really strange about quantum mechanics. It's not just that cats can be dead and alive at the same time, and that entanglement seems to violate the principle of locality; quantum mechanics seems to be what Aaronson calls "an island in theoryspace", because even slight perturbations to the theory of quantum mechanics seem to generate absurdities. In [Aar 04] and [Aar 05], he explores these perturbations and the corresponding absurdities in the context of computation. In particular, he shows that a quantum theory where the measurement probabilities are computed using p-norm instead of the standard 2-norm has the effect of blowing up the class BQP (the class of problems that can be efficiently solved on a quantum computer) to at least PP (the class of problems that can be solved in probabilistic polynomial time). He showed that PP \\subseteq BQP_p \\subseteq PSPACE for all constants p != 2, and that BQP_p = PP for even integers p > 2. Here, we show that this equality holds for all integers p > 2.

  18. Repo-Man/PP1 regulates heterochromatin formation in interphase

    Science.gov (United States)

    de Castro, Inês J.; Budzak, James; Di Giacinto, Maria L.; Ligammari, Lorena; Gokhan, Ezgi; Spanos, Christos; Moralli, Daniela; Richardson, Christine; de las Heras, Jose I.; Salatino, Silvia; Schirmer, Eric C.; Ullman, Katharine S.; Bickmore, Wendy A.; Green, Catherine; Rappsilber, Juri; Lamble, Sarah; Goldberg, Martin W.; Vinciotti, Veronica; Vagnarelli, Paola

    2017-01-01

    Repo-Man is a protein phosphatase 1 (PP1) targeting subunit that regulates mitotic progression and chromatin remodelling. After mitosis, Repo-Man/PP1 remains associated with chromatin but its function in interphase is not known. Here we show that Repo-Man, via Nup153, is enriched on condensed chromatin at the nuclear periphery and at the edge of the nucleopore basket. Repo-Man/PP1 regulates the formation of heterochromatin, dephosphorylates H3S28 and it is necessary and sufficient for heterochromatin protein 1 binding and H3K27me3 recruitment. Using a novel proteogenomic approach, we show that Repo-Man is enriched at subtelomeric regions together with H2AZ and H3.3 and that depletion of Repo-Man alters the peripheral localization of a subset of these regions and alleviates repression of some polycomb telomeric genes. This study shows a role for a mitotic phosphatase in the regulation of the epigenetic landscape and gene expression in interphase. PMID:28091603

  19. Charmonia production in p+p collisions under NRQCD formalism

    CERN Document Server

    Kumar, Vineet

    2016-01-01

    This work presents the differential charmonia production cross sections in high energy p+p collisions calculated using NRQCD formalism. The NRQCD formalism, factorizes the quarkonia production cross sections in terms of short distance QCD cross sections and long distance matrix elements (LDMEs). The short distance crosssections are calculated in terms of perturbative QCD and LDMEs are obtained by fitting the experimental data. Measured transverse momentum distributions of $\\chi_{\\rm c}$, $\\psi$(2S) and J/$\\psi$ in p +{$\\bar {\\rm p}$} collisions at $\\sqrt{s}=$ 1.8, 1.96 TeV and in p+p collisions at $\\sqrt{s}=$ 7, 8 and 13 TeV are used to constrain LDMEs. The feed-down contribution to each state from the higher states are taken into account. The formalism provides a very good description of the data in a wide energy range. The values of LDMEs are used to predict the charmonia cross sections in p+p collisions at 13 TeV in kinematic bins relevant for the LHC detectors. Charmonia ratios are predicted at 1.8, 5 and...

  20. Expansão volêmica em raquianestesia para cesariana. Como realizá-la?

    Directory of Open Access Journals (Sweden)

    Cardoso Mônica Maria Siaulys Capel

    2004-01-01

    Full Text Available JUSTIFICATIVA E OBJETIVOS: Em pacientes não obstétricas, demonstrou-se que a expansão volêmica rápida realizada imediatamente após a injeção subaracnóidea do anestésico local era mais efetiva que a expansão volêmica lenta, realizada previamente à instalação do bloqueio para se reduzir a incidência e a gravidade da hipotensão arterial após raquianestesia. O objetivo do estudo foi comparar a incidência de hipotensão arterial e o consumo de vasopressores em gestantes submetidas à cesariana sob raquianestesia com diferentes regimes de expansão volêmica. MÉTODO: Foram avaliadas prospectivamente 60 gestantes de termo submetidas à cesariana sob raquianestesia. As pacientes receberam expansão volêmica com 10 ml.kg-1 de solução de Ringer com lactato como segue: Grupo 1 (n = 20, antes da raquianestesia através de cateter 18G; Grupo 2 (n = 20, após a raquianestesia e com cateter 18G e Grupo 3 (n = 20 após a raquianestesia com cateter 16G sob ação de pressurizador. A pressão arterial (PA foi monitorizada a cada minuto e administrou-se 0,2 mg de metaraminol para qualquer diminuição de PA, a partir do valor de controle e 0,4 mg para diminuição > 20%. A PA controle foi definida como a média de três valores sucessivos de pressão arterial sistólica obtidos antes da expansão volêmica e do bloqueio. Estudou-se a velocidade de infusão de fluidos, incidência de hipotensão arterial materna, náusea e vômito, consumo de metaraminol, índice de Apgar e pH da artéria umbilical. RESULTADOS: A velocidade de administração de fluidos foi maior no Grupo 3 do que nos Grupos 1 e 2 (201 ± 61 vs 56 ± 13 e 59 ± 21 ml.min-1, p < 0,05. Os grupos foram semelhantes em relação à incidência de hipotensão arterial, náusea, vômito, consumo de metaraminol, índice de Apgar e pH da artéria umbilical. CONCLUSÕES: A expansão volêmica, realizada antes ou após a instalação da raquianestesia, de maneira rápida ou lenta, n

  1. Expansão volêmica em raquianestesia para cesariana. Como realizá-la?

    Directory of Open Access Journals (Sweden)

    Mônica Maria Siaulys Capel Cardoso

    2004-02-01

    Full Text Available JUSTIFICATIVA E OBJETIVOS: Em pacientes não obstétricas, demonstrou-se que a expansão volêmica rápida realizada imediatamente após a injeção subaracnóidea do anestésico local era mais efetiva que a expansão volêmica lenta, realizada previamente à instalação do bloqueio para se reduzir a incidência e a gravidade da hipotensão arterial após raquianestesia. O objetivo do estudo foi comparar a incidência de hipotensão arterial e o consumo de vasopressores em gestantes submetidas à cesariana sob raquianestesia com diferentes regimes de expansão volêmica. MÉTODO: Foram avaliadas prospectivamente 60 gestantes de termo submetidas à cesariana sob raquianestesia. As pacientes receberam expansão volêmica com 10 ml.kg-1 de solução de Ringer com lactato como segue: Grupo 1 (n = 20, antes da raquianestesia através de cateter 18G; Grupo 2 (n = 20, após a raquianestesia e com cateter 18G e Grupo 3 (n = 20 após a raquianestesia com cateter 16G sob ação de pressurizador. A pressão arterial (PA foi monitorizada a cada minuto e administrou-se 0,2 mg de metaraminol para qualquer diminuição de PA, a partir do valor de controle e 0,4 mg para diminuição > 20%. A PA controle foi definida como a média de três valores sucessivos de pressão arterial sistólica obtidos antes da expansão volêmica e do bloqueio. Estudou-se a velocidade de infusão de fluidos, incidência de hipotensão arterial materna, náusea e vômito, consumo de metaraminol, índice de Apgar e pH da artéria umbilical. RESULTADOS: A velocidade de administração de fluidos foi maior no Grupo 3 do que nos Grupos 1 e 2 (201 ± 61 vs 56 ± 13 e 59 ± 21 ml.min-1, p < 0,05. Os grupos foram semelhantes em relação à incidência de hipotensão arterial, náusea, vômito, consumo de metaraminol, índice de Apgar e pH da artéria umbilical. CONCLUSÕES: A expansão volêmica, realizada antes ou após a instalação da raquianestesia, de maneira rápida ou lenta, n

  2. Updating quasar bolometric luminosity corrections - III. [O iii] bolometric corrections

    Science.gov (United States)

    Pennell, Alison; Runnoe, Jessie C.; Brotherton, M. S.

    2017-06-01

    We present quasar bolometric corrections using the [O III] λ 5007 narrow emission line luminosity based on the detailed spectral energy distributions of 53 bright quasars at low to moderate redshift (0.0345 diversity, introduces scatter into the L_{[O III]}-Liso relationship. We found that the {[O III]} bolometric correction can be significantly improved by adding a term including the equivalent width ratio R_{Fe II} ≡ EW_{{Fe II}}/EW_{Hβ }, which is an EV1 indicator. Inclusion of R_{Fe II} in predicting Liso is significant at nearly the 3σ level and reduces the scatter and systematic offset of the luminosity residuals. Typically, {[O III]} bolometric corrections are adopted for Type 2 sources where the quasar continuum is not observed and in these cases, R_{Fe II} cannot be measured. We searched for an alternative measure of EV1 that could be measured in the optical spectra of Type 2 sources but were unable to identify one. Thus, the main contribution of this work is to present an improved {[O III]} bolometric correction based on measured bolometric luminosities and highlight the EV1 dependence of the correction in Type 1 sources.

  3. Two-pion-exchange and other higher-order contributions to the $pp\\to pp\\pi^0$ reaction

    CERN Document Server

    Kim, Y; Myhrer, F; Kubodera, K

    2008-01-01

    Much effort has been invested on effective-field-theoretical studies of the near-threshold NN \\to NN\\pi reactions and, in order to deal with the rather large three-momentum transfers involved, the momentum counting scheme was proposed as an alternative to the usual Weinberg counting scheme. To examine the practical utility of the momentum counting scheme, we study here the contributions of higher-order terms to the pp\\to pp\\pi^0 reaction. We discuss the consequences of the different treatments of the nucleon propagators in these two counting schemes. We also investigate certain higher chiral-order pion-rescattering terms and the five-point counter-term, which turn out to give important contributions.

  4. Physics of laser fusion. Vol. I. Theory of the coronal plasma in laser-fusion targets

    Energy Technology Data Exchange (ETDEWEB)

    Max, C.E.

    1981-12-01

    This monograph deals with the physics of the coronal region in laser fusion targets. The corona consists of hot plasma which has been evaporated from the initially solid target during laser heating. It is in the corona that the laser light is absorbed by the target, and the resulting thermal energy is conducted toward cold high-density regions, where ablation occurs. The topics to be discussed are theoretical mechanisms for laser light absorption and reflection, hot-electron production, and the physics of heat conduction in laser-produced plasmas. An accompanying monograph by H. Ahlstrom (Vol.II) reviews the facilities, diagnostics, and data from recent laser fusion experiments.

  5. Reposição volêmica em pacientes politraumatizados

    Directory of Open Access Journals (Sweden)

    Delmo Sakabe

    2007-05-01

    Full Text Available O debate sobre a administração de colóides, cristalóides, soluções hipertônicas ou elementos sanguíneos em pacientes críticos estende-se desde o século 19. Algumas dessas soluções podem ser diferentemente distribuídas nos espaços intra e extravasculares, assim como nos espaços intra e extracelulares, causando diferentes efeitos fisiológicos. Diversos estudos foram realizados com o objetivo de comparar um fluido ao outro, mostrando a eficácia e as vantagens de cada um. Porém, não existe um trabalho que consiga provar uma diferença significativa em relação à morbi-mortalidade após a reposição volêmica com cada tipo de fluido. Esses estudo, por serem diferentes em relação aos protocolos de ressucitação, volumes e tipos de fluidos utilizados, dificultam a comparação dos resultados; no entanto, sabe-se que a reposição volêmica depende de cada situação clínica. A utilização da reposição volêmica pré-hospitalar é discutível, visto que pode aumentar o sangramento ou mesmo ser motivo de atraso na transferência do paciente ao hospital, ao mesmo tempo em que pode reduzir o risco de isquemia tecidual. Uma vez que a hemorragia tenha sido controlada, há um consenso para o fato de que o volume intravascular deve ser reposto da forma mais rápida e eficaz possível para minimizar a quantidade de células afetadas diretamente pela má perfusão tecidual. Os atuais trabalhos envolvidos nessa polêmica trazem resultados que sugerem a continuidade das investigações, visto que nenhum deles atingiu um ponto final comum. Desses estudos, um aspecto com o qual todos concordam e que se tornou claro é que não existe uma fórmula mágica única de administração intravenosa para os pacientes politraumatizados. Este trabalho visa, por meio de revisão bibliográfica, mostrar os tipos de fluidos a serem utilizados para reposição volêmica de pacientes politraumatizados, assim como os meios e a forma de utilização dos

  6. 英文文摘%Logic in Vol. 4 of 'Das Kapital' : Cognitive Development Science

    Institute of Scientific and Technical Information of China (English)

    2012-01-01

    Abstract : The practical logic of Vol. 4 of ' Das Kapital' is the cognitive development mechanism of category of ' Das Kapital' In this sense, this logic makes the ' production' of categories practical, the dominant principle is that understanding is made of history. Historical part and theoretical part construct the general writing logic togeth-er, historical part sets up theoretical direction for research afterwards. The implications are of the following: (1) Based on ' organic growth' of historical productive mode, the core of the category is surplus value ; (2) From the movement of category production to disclose historical structural growth ; ( 3 ) Through the general ' production' of theories, it shows the internal integration between critique on methodology and critique on epistemology. Thus Vol. 4 of ' Das Kapital' rejected the wrong demand in ' History of the Theory of Surplus Value' edited by Kautsky. ' Das Kapital' integrated the logic of historical development and the logic of development in understanding, inte-grated historical method and categorical method, which sets an example in the methodology in political economy.%Abstract : The practical logic of Vol. 4 of ' Das Kapital' is the cognitive development mechanism of category of ' Das Kapital' In this sense, this logic makes the ' production' of categories practical, the dominant principle is that understanding is made of history. Historical part and theoretical part construct the general writing logic togeth-er, historical part sets up theoretical direction for research afterwards. The implications are of the following: (1) Based on ' organic growth' of historical productive mode, the core of the category is surplus value ; (2) From the movement of category production to disclose historical structural growth ; ( 3 ) Through the general ' production' of theories, it shows the internal integration between critique on methodology and critique on epistemology. Thus

  7. QSAR study and VolSurf characterization of anti-HIV quinolone library

    Science.gov (United States)

    Filipponi, Enrica; Cruciani, Gabriele; Tabarrini, Oriana; Cecchetti, Violetta; Fravolini, Arnaldo

    2001-03-01

    Antiviral quinolones are promising compounds in the search for new therapeutically effective agents for the treatment of AIDS. To rationalize the SAR for this new interesting class of anti-HIV derivatives, we performed a 3D-QSAR study on a library of 101 6-fluoro and 6-desfluoroquinolones, taken either from the literature or synthesized by us. The chemometric procedure involved a fully semiempirical minimization of the molecular structures by the AMSOL program, which takes into account the solvatation effect, and their 3D characterization by the VolSurf/GRID program. The QSAR analysis, based on PCA and PLS methods, shows the key structural features responsible for the antiviral activity.

  8. Recycled and Virgin HDPEs as Bleed Inhibitors and Their Rheological Influences on Lubricating Greases Thickened with PP and mPP

    Directory of Open Access Journals (Sweden)

    Ravi Dixena

    2014-12-01

    Full Text Available Polypropylene (PP thickened lubricating grease exhibits high oil bleed tendency at low temperatures, which makes it a promising candidate for low temperature applications. At elevated temperatures, PP thickened lubricating grease exhibits excessive oil bleeding, which limits its use at high temperatures. Excessive oil bleed adversely affects the lubricating performance of the PP thickened grease. The present work is focused on the study of the oil bleed tendency of PP and Maleated Polypropylene (mPP thickened greases at various temperatures by incorporating virgin and recycled high density polyethylene (HDPE into the thickener system. Grease containing various percentages of PP and mPP thickeners were prepared and modified with different percentages of virgin and recycled HDPE. Polymers were characterized through differential scanning calorimetry (DSC techniques. The oil bleed performance of these greases was evaluated by the conical sieve method (ASTM D 6184 at various temperatures. Storage (G′ and loss modulus (G″ of greases was determined by rheometry at 25 °C. Incorporation of HDPE and recycled HDPE in PP thickened grease decreased oil bleeding compared to the base grease.

  9. Studies on the preparation of multi-monomer grafted PP by one-step extrusion and the blends with PVC

    Directory of Open Access Journals (Sweden)

    2008-01-01

    Full Text Available Firstly, a novel grafted polypropylene (PP was prepared by one step free-radical melt grafting way in a single-screw extruder. The results were shown that the addition of St to the melt-grafting system as a comonomer could significantly enhance MMA grafting degree onto PP and reduce the degradation of PP matrix by means of FTIR and MFR test, respectively. Then, the extruded multi-monomer grafted PP, as a component, directly blend with poly (vinyl chloride (PVC, named as gPP/PVC. The corresponding improved compatibility was examined. Comparison with pure PP/PVC blends, due to the addition of gPP, the tensile strengths of gPP/PVC blends increased significantly and the impact strengths were unchanged as those of pure PP/PVC blends. The DSC results also suggested that the compatibility of PP/PVC blends were improved largely.

  10. Ratio of Real to Imaginary for pp and (p)p Elastic Scatterings in QCD Inspired Model

    Institute of Scientific and Technical Information of China (English)

    LU Juan; MA Wei-Xing; HE Xiao-Rong

    2007-01-01

    We use the QCD inspired model to analyze the ratio of the real to the imaginary for pp and 5p elastic scatterings. A calculation for the ratio of the real to the imaginary is performed in which the contributions from gluongluon interaction, quark-quark interaction, quark-gluon interaction, and odd eikonal profile function are included. Our results show that the QCD inspired model gives a good fit to the LHC experimental data.

  11. Protein phosphatase PP1γ2 in sperm morphogenesis and epididymal initiation of sperm motility

    Institute of Scientific and Technical Information of China (English)

    Rumela Chakrabarti; Lina Cheng; Pawan Puri; David Soler; Srinivasan Viiayaraghavan

    2007-01-01

    The serine/threonine phosphatase (PP1) isoform PP1γ2, predominantly expressed in the testis, is a key enzyme in spermatozoa. High PP1γ2 catalytic activity holds motility in check in immature spermatozoa. Inhibition of PP1γ2 causes motility initiation in immature spermatozoa and motility stimulation and changes in flagellar beat parameters in mature spermatozoa. The PP1γ2 isoform is present in all mammalian spermatozoa studied: mouse, rat, hamster,bovine, non-human primate and man. We have now identified at least four of its regulatory proteins that regulate distinct pools of PP1γ2 within spermatozoa. Our studies provide new insights into biochemical mechanisms underlying development and regulation of sperm motility. We hypothesize that changes in sperm PP1γ2 activity as a result of phosphorylation and reversible binding of the regulatory proteins to the catalytic subunit are critical in the development and regulation of motility and the ability of sperm to fertilize eggs. Targeted disruption of the Ppp1cc gene,which encodes the PP1γ1 or PP1γ2 isoforms, causes male infertility in mice as a result of impaired spermiogenesis.Our observations suggest that, in addition to motility, the protein phosphatase PP1γ2 might play an isoform-specific function in the development of specialized flagellar structures of mammalian spermatozoa.

  12. PP2A regulates kinetochore-microtubule attachment during meiosis I in oocyte.

    Science.gov (United States)

    Tang, An; Shi, Peiliang; Song, Anying; Zou, Dayuan; Zhou, Yue; Gu, Pengyu; Huang, Zan; Wang, Qinghua; Lin, Zhaoyu; Gao, Xiang

    2016-06-02

    Studies using in vitro cultured oocytes have indicated that the protein phosphatase 2A (PP2A), a major serine/threonine protein phosphatase, participates in multiple steps of meiosis. Details of oocyte maturation regulation by PP2A remain unclear and an in vivo model can provide more convincing information. Here, we inactivated PP2A by mutating genes encoding for its catalytic subunits (PP2Acs) in mouse oocytes. We found that eliminating both PP2Acs caused female infertility. Oocytes lacking PP2Acs failed to complete 1(st) meiotic division due to chromosome misalignment and abnormal spindle assembly. In mitosis, PP2A counteracts Aurora kinase B/C (AurkB/C) to facilitate correct kinetochore-microtubule (KT-MT) attachment. In meiosis I in oocyte, we found that PP2Ac deficiency destabilized KT-MT attachments. Chemical inhibition of AurkB/C in PP2Ac-null oocytes partly restored the formation of lateral/merotelic KT-MT attachments but not correct KT-MT attachments. Taken together, our findings demonstrate that PP2Acs are essential for chromosome alignments and regulate the formation of correct KT-MT attachments in meiosis I in oocytes.

  13. Potential existence of two independent centrosome- targeting domains in PP4

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Protein phosphatase 4 (PP4) is an important member in the PPP family of protein Ser/Thr phosphatases. It has been proven to regulate a variety of cellular processes such as centrosome maturation, microtubule nucleation, splicesome assembly, and JNK pathway activation. Compared to the crystallized and structurally well defined phosphatase PP1 and PP2B, little is known about the structure of PP4. Besides the conserved motifs characteristic of the PPP family, no information is available on the other domains of PP4. PP4 is reported to localize to the centrosome in many species such as Drosophila, Caenorhabditis elegans and mammalian cells, which suggests a conserved role of PP4 in the regulation of centrosome function. Unlike several other centrosomal proteins, no sequence has been identified for PP4 that can target it to specific centrosomal localization. In this study, we used a combination of PCR mutagenesis and transient expression of GFP-tagged proteins in mammalian cells, and identified two PP4 centrosome-targeting domains of 68―136 and 134―220 aa. These two domains may be associated for appropriate localization to the centrosome. The findings are useful for further elucidating the function of the domains and other structural characteristics of PP4.

  14. Morfología de las inflorescencias en Verbenaceae-Verbenoideae III. Tribe Lantaneae p.p.

    Directory of Open Access Journals (Sweden)

    María E. Múlgura de Romero

    2002-01-01

    Full Text Available La tribu Lantaneae es considerada aquí en un sentido amplio. Se analiza la morfología y tipología de las inflorescencias en Lantana, Neosparton, Xeroaloysia, Acantholippia, Aloysia, Phyla, Bouchea, Chascanum, Stachytarpheta, Lampaya, Diostea. El género Lippia fue tratado en una contribución anterior. Las inflorescencias son del tipo politélico. Las florescencias son en la mayoría de los casos espigas, a veces racimos espiciformes, variados en la disposición, espaciamiento y número de flores; las bractéolas florales están presentes sólo en las especies de Bouchea y Chascanum Sect. Chascanum. La forma mas frecuente de la inflorescencia compleja en este grupo es el (di-pleiobotrio homotético disyunto que se presenta en Lantana, Phyla y Xeroaloysia, en la gran mayoría de las especies de Aloysia y Lippia y en una especie de Acantholippia. Dos especies de Aloysia poseen pleiobotrios heterotéticos paniculiformes. Bouchea, Chascanum y Stachytarpheta son afines en su arquitectura y las inflorescencias son en la mayoría de las especies pleiobotrios acrotónicos, no truncados, dicasialmente ramificados. Neosparton, Lampaya, Diostea y Acantholippia son géneros de pocas especies, con adaptaciones xéricas; las inflorescencias son en general monobotrios; esta forma de la inflorescencia puede considerarse, en estos casos, un carácter convergente que forma parte del síndrome xeromorfo y se origina por pauperización de una inflorescencia más compleja. Se discuten los resultados obtenidos comparándolos con los diferentes sistemas propuestos para la delimitación de la tribu Lantaneae

  15. Structural Basis for the Catalytic Activity of Human Serine/Threonine Protein Phosphatase type 5 (PP5)

    Science.gov (United States)

    Swingle, Mark R.; Ciszak, Ewa M.; Honkanen, Richard E.

    2004-01-01

    Serine/threonine protein phosphatase-5 (PP5) is a member of the PPP-gene family of protein phosphatases that is widely expressed in mammalian tissues and is highly conserved among eukaryotes. PP5 associates with several proteins that affect signal transduction networks, including the glucocorticoid receptor (GR)-heat shock protein-90 (Hsp90)-heterocomplex, the CDC16 and CDC27 subunits of the anaphase-promoting complex, elF2alpha kinase, the A subunit of PP2A, the G12-alpha / G13-alpha subunits of heterotrimeric G proteins and DNA-PK. The catalytic domain of PP5 (PP5c) shares 35-45% sequence identity with the catalytic domains of other PPP-phosphatases, including protein phosphatase-1 (PP1), -2A (PP2A), -2B / calcineurin (PP2B), -4 (PP4), -6 (PP6), and -7 (PP7). Like PP1, PP2A and PP4, PP5 is also sensitive to inhibition by okadaic acid, microcystin, cantharidin, tautomycin, and calyculin A. Here we report the crystal structure of the PP5 catalytic domain (PP5c) at a resolution of 1.6 angstroms. From this structure we propose a mechanism for PP5-mediated hydrolysis of phosphoprotein substrates, which requires the precise positioning of two metal ions within a conserved Asp(sup 271)-M(sub 1):M(sub 2)-W(sup 1)-His(sup 304)-Asp(sup 274) catalytic motif. The structure of PP5c provides a possible structural basis for explaining the exceptional catalytic proficiency of protein phosphatases, which are among the most powerful known catalysts. Resolution of the entire C-terminus revealed a novel subdomain, and the structure of the PP5c should also aid development of type-specific inhibitors.

  16. Spectrophotometric and pH-Metric Studies of Ce(III, Dy(III, Gd(III,Yb(III and Pr(III Metal Complexes with Rifampicin

    Directory of Open Access Journals (Sweden)

    A. N. Sonar

    2011-01-01

    Full Text Available The metal-ligand and proton-ligand stability constant of Ce(III, Dy(III, Gd(III,Yb(III and Pr(III metals with substituted heterocyclic drug (Rifampicin were determined at various ionic strength by pH metric titration. NaClO4 was used to maintain ionic strength of solution. The results obtained were extrapolated to the zero ionic strength using an equation with one individual parameter. The thermodynamic stability constant of the complexes were also calculated. The formation of complexes has been studied by Job’s method. The results obtained were of stability constants by pH metric method is confirmed by Job’s method.

  17. PP/HDPE共混体系毛细管流变性能研究%Study of Capillary Rheological Properties of PP/HDPE Blends

    Institute of Scientific and Technical Information of China (English)

    陶国良; 刘涌; 廖华勇; 纪波印; 李靖

    2012-01-01

    用毛细管流变仪对以马来酸酐接枝聚丙烯(PP-g-MAH)为相容剂的聚丙烯/高密度聚乙烯(PP/HDPE)共混体系的流变性能进行研究.研究发现,PP/HDPE共混体系属于假塑性流体:随着剪切速率的增加,表观黏度下降:PP-g-MAH的加入降低了共混体系的表观粘度:HDPE与PP的非牛顿指数在低剪切速事区与适宜强度下适用于幂律方程的经验公式;HDPE与PP共混后,HDPE含量越低,体系出现壁面滑移的临界剪切速率越高,可加工性能越好.%The rhealogical properties of PP/HDPE blends which was combined by PP-g-MAH ,were studied by capiiiary rheometer. The results show thai the rheological behavior of PP/HDPE blends is non-Newtonian fluid. With the increase of shear rate, the apparent viscosity drops. The apparent viscosity of the blends reduce with the added of PP-g-MAH. For the non-Newtonian index, the power law is applicable to HDPE and PP, white in low shear rate and the temperature is suitable. The critical shear rate in wall slip of PP/HDPE blends increases while the content of HDPE reduce. The property of process performance is better.

  18. The START III bargaining space

    Energy Technology Data Exchange (ETDEWEB)

    Karas, T.H.

    1998-08-01

    The declining state of the Russian military and precarious Russian economic condition will give the US considerable advantages at the START III bargaining table. Taking the US-RF asymmetries into account, this paper discusses a menu of START III measures the US could ask for, and measures it could offer in return, in attempting to negotiate an equitable treaty. Measures the US might seek in a START III treaty include: further reductions in deployed strategic nuclear warheads, irreversibility of reductions through warhead dismantlement; beginning to bring theater nuclear weapons under mutual control, and increased transparency into the Russian nuclear weapons complex. The US may, however, wish to apply its bargaining advantages to attempting to achieve the first steps toward two long-range goals that would enhance US security: bringing theater nuclear weapons into the US-RF arms control arena, and increasing transparency into the Russian nuclear weapons complex. In exchange for measures relating to these objectives, the US might consider offering to Russia: Further strategic weapons reductions approaching levels at which the Russians believe they could maintain a degree of parity with the US; Measures to decrease the large disparities in potential deliver-system uploading capabilities that appear likely under current START II/START III scenarios; and Financial assistance in achieving START II/START III reductions as rapidly as is technically possible.

  19. An elementary proof of MinVol(Rn = 0 for n > 3

    Directory of Open Access Journals (Sweden)

    Jiaqiang Mei

    2008-12-01

    Full Text Available In this paper, we give an elementary proof of the result that the minimal volumes of R³ and R4 are zero. The approach is to construct a sequence of explicit complete metrics on them such that the sectional curvatures are bounded in absolute value by 1 and the volumes tend to zero. As a direct consequence, we get that MinVol (Rn = 0 for n > 3.Neste artigo fornecemos uma demonstração elementar do resultado de que os volumes minimais de R³ e R4 são ambos iguais a zero. A abordagem consiste na construção de uma seqüência de métricas completas explícitas nesses espaços cujas curvaturas seccionais são limitadas em valor absoluto por 1 e os volumes tendem a zero. Como conseqüência direta, estabelecemos que MinVol(Rn = 0 para n > 3.

  20. Patrones de evolución de filiales en entornos volátiles

    Directory of Open Access Journals (Sweden)

    Luis E. Sigala Paparella

    2010-01-01

    Full Text Available En este trabajo se aplican y se extienden los patrones de evolución de filiales planteados por Birkinshaw y Hood, al estudiar la influencia de los entornos volátiles sobre los procesos de evolución de las filiales de empresas multinacionales. Utilizando una metodología cualitativa a través de 41 estudios de casos de filiales de diversos sectores localizadas en Venezuela, se observó que las mismas siguen procesos conducentes a la mejora, el refuerzo y al declive de sus roles. En los resultados se identifican a la matriz y la propia filial como impulsores de esos procesos, pero se aprecia también al entorno local como determinante de la evolución de las filiales, con lo cual se extienden los patrones que plantean Birkinshaw y Hood que consideran sólo a la matriz y a la propia filial. Como conclusión, no sólo se resalta la importancia del entorno en la determinación del rol de las filiales, sino que se evidencia que los entornos volátiles pueden tener un impacto tanto positivo como negativo en la evolución de la filial.

  1. III-Nitride nanowire optoelectronics

    Science.gov (United States)

    Zhao, Songrui; Nguyen, Hieu P. T.; Kibria, Md. G.; Mi, Zetian

    2015-11-01

    Group-III nitride nanowire structures, including GaN, InN, AlN and their alloys, have been intensively studied in the past decade. Unique to this material system is that its energy bandgap can be tuned from the deep ultraviolet (~6.2 eV for AlN) to the near infrared (~0.65 eV for InN). In this article, we provide an overview on the recent progress made in III-nitride nanowire optoelectronic devices, including light emitting diodes, lasers, photodetectors, single photon sources, intraband devices, solar cells, and artificial photosynthesis. The present challenges and future prospects of III-nitride nanowire optoelectronic devices are also discussed.

  2. Mechanical Properties of r-PET/PP Blends Compatibilized by PP-g-MA and Its Mixture%PP-g-MA及其混合相容剂增容r-PET/PP共混物的力学性能

    Institute of Scientific and Technical Information of China (English)

    王春广; 林劲新; 章自寿; 麦堪成

    2013-01-01

    In order to develop PP blends with recycled polyethylene terephthalate (r-PET) , the blends of r-PET with compatibilizer, r-PET/PP and compatibilized r-PET/PP blends were prepared. PP-g-MA and its mixture of POE-g-MA or EVA-g-MA with same functional group were used as compatibilizers. The tensile strength, flexural strength and modulus and impact strength of blends were characterized. The effect of compatibilizer and r-PET on mechanical properties of blends was studied. The results indicated that the mechanical properties of r-PET decreased by adding compatibilizer. But the tensile strength, flexural strength and modulus of iPP increased by introduction of r-PET, and the mechanical properties of r-PET/ iPP blends increased by adding compatibilization of PP-g-MA further. The increased mechanical properties of uncompatibilized and compatibilized r-PET/iPP blends with increasing r-PET contents indicated the presence of reinforcement of r-PET in the iPP matrix. The r-PET/iPP blends with high strength and high toughness could be obtained by compatibilization of mixture of compatibilizers. Addition of POE-g-MA or EVA-g-MA increased the impact strength of PP-g-MA compatibilized r-PET/PP blends. The r-PET/PP blends with high performance could be obtained by compatibilization of mixture PP-g-MA and POE-g-MA.%为利用废弃PET(r-PET)发展r-PET/PP共混物,该文制备了不同r-PET/相容剂、r-PET/PP和PP-g-MA及其混合相容剂增容r-PET/PP共混物,研究了以上共混物的拉伸、弯曲和冲击性能,讨论了不同相容剂对r-PET力学性能,r-PET对PP力学性能和增容共混物力学性能的影响.结果表明相容剂加入降低r-PET力学性能,r-PET提高PP拉伸和弯曲性能,r-PET/PP共混物的拉伸和弯曲性能随r-PET用量增加而提高,表明r-PET对PP中具有增强作用.PP-g-MA加入提高r-PET/PP共混物拉伸和弯曲性能,POE-g-MA和EVA-g-MA加入提高PP-g-MA增容r-PET/PP共混物冲击强度,采用混杂相容剂可获得综

  3. 颗粒内受限聚合法制备PP/POE/PS合金%Preparation of PP/POE/PS Ternary Alloys via Diffusion and Polymerization of Styrene in PP/POE Alloys

    Institute of Scientific and Technical Information of China (English)

    姚雪容; 郭朝霞; 于建

    2012-01-01

    Polypropylene/ethylene octene copolymer/polystyrene ( PP/POE/PS) ternary alloys were prepared via diffusion and subsequent polymerization of styrene ( St) in PP/POE alloy granules. St could diffuse into the center of the PP/POE alloy granules and PS phases mostly included in POE phases with a particle size from several tens of nanometers to several hundred nanometers. The size of PS particles was influenced by the amount of styrene adsorbed and the size of the POE phases. The PS particles in POE phases formed in the center of the granules were the smallest. The diffusion and polymerization process of St in PP/POE ( mass ratio, 80: 20) was studied. The diffusion rate and the maximum adsorption of styrene in PP/POE were larger than those in pure PP as existence of amorphous POE phase was beneficial for diffusion of monomer. The content of PS in PP/POE/PS alloys can be tailored by changing the amount of monomer. Incorporation of PS into POE domains made the POE domains bigger and then resulted in lower melting temperatures and crystalline temperatures of PP, and PS dispersed in PP/POE/PS with a high PS content acted as a nucleation agent of PP.%以等规聚丙烯/乙烯-辛烯共聚物(PP/POE)合金颗粒为扩散基体,苯乙烯(St)为扩散单体,利用颗粒内受限聚合法制备了PP/POE/PS三元合金.结果表明,对于POE质量分数为20%~40%的PP/POE合金颗粒,St均可扩散至直径为4 mm的颗粒中心部位,在POE非晶相中生成相尺寸为几十至几百纳米的PS球.在PP/POE合金颗粒的不同部位,因POE相尺寸及单体的吸附量不同,生成的PS相尺寸也不同,在颗粒中心部位生成的PS球最小.研究了St在PP/POE(质量比80∶20)颗粒中的扩散-聚合行为,结果表明,St在合金颗粒中的扩散速率和扩散饱和值远大于在纯PP颗粒中的扩散速率和饱和值,这主要是因为PP/POE合金颗粒中的非晶POE相有利于扩散.改变单体投料量可以获得具有不同PS含量的PP/POE/PS三

  4. New III-V cell design approaches for very high efficiency

    Energy Technology Data Exchange (ETDEWEB)

    Lundstrom, M.S.; Melloch, M.R.; Lush, G.B.; Patkar, M.P.; Young, M.P. (Purdue Univ., Lafayette, IN (United States))

    1993-04-01

    This report describes to examine new solar cell desip approaches for achieving very high conversion efficiencies. The program consists of two elements. The first centers on exploring new thin-film approaches specifically designed for M-III semiconductors. Substantial efficiency gains may be possible by employing light trapping techniques to confine the incident photons, as well as the photons emitted by radiative recombination. The thin-film approach is a promising route for achieving substantial performance improvements in the already high-efficiency, single-junction, III-V cell. The second element of the research involves exploring desip approaches for achieving high conversion efficiencies without requiring extremely high-quality material. This work has applications to multiple-junction cells, for which the selection of a component cell often involves a compromise between optimum band pp and optimum material quality. It could also be a benefit manufacturing environment by making the cell's efficiency less dependent on materialquality.

  5. Trigger efficiencies at BES III

    CERN Document Server

    Berger, N; Liu, Z A; Jin, D P; Xu, H; Gong, W X; Wang, K; Cao, G F

    2010-01-01

    Trigger efficiencies at BES III were determined for both the J/psi and psi' data taking of 2009. Both dedicated runs and physics datasets are used; efficiencies are presented for Bhabha-scattering events, generic hadronic decay events involving charged tracks, dimuon events and psi' -> pi+pi-J/psi, J/psi -> l+l- events (l an electron or muon). The efficiencies are found to lie well above 99% for all relevant physics cases, thus fulfilling the BES III design specifications.

  6. First Stars III Conference Summary

    CERN Document Server

    O'Shea, Brian W; Heger, Alexander; Abel, Tom

    2008-01-01

    The understanding of the formation, life, and death of Population III stars, as well as the impact that these objects had on later generations of structure formation, is one of the foremost issues in modern cosmological research and has been an active area of research during the past several years. We summarize the results presented at "First Stars III," a conference sponsored by Los Alamos National Laboratory, the Kavli Institute for Particle Astrophysics and Cosmology, and the Joint Institute for Nuclear Astrophysics. This conference, the third in a series, took place in July 2007 at the La Fonda Hotel in Santa Fe, New Mexico, U.S.A.

  7. Graphics Gems III IBM version

    CERN Document Server

    Kirk, David

    1994-01-01

    This sequel to Graphics Gems (Academic Press, 1990), and Graphics Gems II (Academic Press, 1991) is a practical collection of computer graphics programming tools and techniques. Graphics Gems III contains a larger percentage of gems related to modeling and rendering, particularly lighting and shading. This new edition also covers image processing, numerical and programming techniques, modeling and transformations, 2D and 3D geometry and algorithms,ray tracing and radiosity, rendering, and more clever new tools and tricks for graphics programming. Volume III also includes a

  8. Tailored sPP/Silica Nanocomposite for Ecofriendly Insulation of Extruded HVDC Cable

    Directory of Open Access Journals (Sweden)

    Bin Dang

    2015-01-01

    Full Text Available Cross-linked polyethylene (XLPE is a thermosetting material that cannot be recycled at the end of its lifetime. This study investigated the potential of syndiotactic polypropylene (sPP/silica as an ecofriendly extruded insulation system for HVDC cables. We investigated the morphology, Fourier transform infrared, and thermal, thermomechanical, and electrical behaviors of sPP modified with 0.5–3% nanosilica. We found that the silica/sPP nanocomposite without cross-linking offered a suitable mechanical modulus at room temperature and sufficient intensity at high temperatures, and adding nanosilica modified by a silane coupling agent to the sPP resulted in significant DC resistivity and space charge improvement. The optimal nanosilica content in the sPP was determined by balancing the mechanical and thermomechanical characteristics and the DC resistivity. The sPP/silica nanocomposite reported here shows great potential as a candidate insulation material for future ecofriendly extruded HVDC cables.

  9. Molecular Mimicry Regulates ABA Signaling by SnRK2 Kinases and PP2C Phosphatases

    Energy Technology Data Exchange (ETDEWEB)

    Soon, Fen-Fen; Ng, Ley-Moy; Zhou, X. Edward; West, Graham M.; Kovach, Amanda; Tan, M.H. Eileen; Suino-Powell, Kelly M.; He, Yuanzheng; Xu, Yong; Chalmers, Michael J.; Brunzelle, Joseph S.; Zhang, Huiming; Yang, Huaiyu; Jiang, Hualiang; Li, Jun; Yong, Eu-Leong; Cutler, Sean; Zhu, Jian-Kang; Griffin, Patrick R.; Melcher, Karsten; Xu, H. Eric (Van Andel); (Scripps); (NWU); (Purdue); (UCR); (Chinese Aca. Sci.); (NU Singapore)

    2014-10-02

    Abscisic acid (ABA) is an essential hormone for plants to survive environmental stresses. At the center of the ABA signaling network is a subfamily of type 2C protein phosphatases (PP2Cs), which form exclusive interactions with ABA receptors and subfamily 2 Snfl-related kinase (SnRK2s). Here, we report a SnRK2-PP2C complex structure, which reveals marked similarity in PP2C recognition by SnRK2 and ABA receptors. In the complex, the kinase activation loop docks into the active site of PP2C, while the conserved ABA-sensing tryptophan of PP2C inserts into the kinase catalytic cleft, thus mimicking receptor-PP2C interactions. These structural results provide a simple mechanism that directly couples ABA binding to SnRK2 kinase activation and highlight a new paradigm of kinase-phosphatase regulation through mutual packing of their catalytic sites.

  10. ppGpp couples transcription to DNA repair in E. coli.

    Science.gov (United States)

    Kamarthapu, Venu; Epshtein, Vitaly; Benjamin, Bradley; Proshkin, Sergey; Mironov, Alexander; Cashel, Michael; Nudler, Evgeny

    2016-05-20

    The small molecule alarmone (p)ppGpp mediates bacterial adaptation to nutrient deprivation by altering the initiation properties of RNA polymerase (RNAP). ppGpp is generated in Escherichia coli by two related enzymes, RelA and SpoT. We show that ppGpp is robustly, but transiently, induced in response to DNA damage and is required for efficient nucleotide excision DNA repair (NER). This explains why relA-spoT-deficient cells are sensitive to diverse genotoxic agents and ultraviolet radiation, whereas ppGpp induction renders them more resistant to such challenges. The mechanism of DNA protection by ppGpp involves promotion of UvrD-mediated RNAP backtracking. By rendering RNAP backtracking-prone, ppGpp couples transcription to DNA repair and prompts transitions between repair and recovery states.

  11. Recent functional insights into the role of (p)ppGpp in bacterial physiology.

    Science.gov (United States)

    Hauryliuk, Vasili; Atkinson, Gemma C; Murakami, Katsuhiko S; Tenson, Tanel; Gerdes, Kenn

    2015-05-01

    The alarmones guanosine tetraphosphate and guanosine pentaphosphate (collectively referred to as (p)ppGpp) are involved in regulating growth and several different stress responses in bacteria. In recent years, substantial progress has been made in our understanding of the molecular mechanisms of (p)ppGpp metabolism and (p)ppGpp-mediated regulation. In this Review, we summarize these recent insights, with a focus on the molecular mechanisms governing the activity of the RelA/SpoT homologue (RSH) proteins, which are key players that regulate the cellular levels of (p)ppGpp. We also discuss the structural basis of transcriptional regulation by (p)ppGpp and the role of (p)ppGpp in GTP metabolism and in the emergence of bacterial persisters.

  12. Culture of Schools. Final Report. Volume III.

    Science.gov (United States)

    American Anthropological Association, Washington, DC.

    The third volume of this 4-volume report contains the last two speeches, on educational philosophy and the role of reason in society, from the Colloquium on the Culture of Schools held at the New School for Social Research (preceding speeches are in Vol. II, SP 003 901), reports on conferences on the culture of schools held in Pittsburgh and…

  13. Dual-energy X-ray absorptiometry and forced expiratory volumes in sedentary and trained children. [Absorciometria dual de rayos x y volúmenes espirométricos forzados en niños sedentarios y entrenados].

    Directory of Open Access Journals (Sweden)

    Álvaro Fernández-Luna

    2015-10-01

    Full Text Available Information regarding the influence of physical activity and fat mass in the human trunk on respiratory health is scarce. The aim of this study was to evaluate the influence of body composition and physical activity in forced expiratory volumes in children. The sample comprised 87 children between 8 and 13 years of age (9.62 ± 1.25, at Tanner stages I-III, participated in this study. Sixty played sports (trained children, TC and 27 were assigned to the sedentary children control group (SC. Body composition (DXA, anthropometric variables (weight and height, and forced expiratory volumes (FEV1 and FVC were determined in all subjects. Results showed that higher FEV1 and FVC values were found in the SC group compared to the TC group. Multiple regression analysis showed that physical activity, total fat mass, and android fat mass, had the highest predictive value for FVE1 as did height for the FVC. In SC group there was a positive association between FEV1/FVC ratio and Body Mass Index and trunk fat mass. We did not find any associations between forced respiratory volumes and the whole body and trunk region fat mass in trained and sedentary children. Resumen La información sobre los diferentes efectos de la actividad física y la masa grasa del tronco en la salud respiratoria es escasa. El objetivo fue evaluar la influencia de las variables de composición corporal y la práctica de actividad física en los volúmenes espirométricos forzados en edad infantil. 87 niños entre los 8 y 13 años (9,62 ± 1,25 (Tanner I-III participaron en el estudio. 60 practicaban diferentes deportes (niños entrenados, TC y 27 niños sedentarios fueron asignados al grupo control (SC. Se llevó a cabo la evaluación en todos los participantes de la composición corporal a través de DEXA, variables antropométricas (peso y altura y volúmenes espirométricos forzados (FEV1 and FVC. Los resultados mostraron que el grupo SC tenía unos volúmenes FEV1 y FVC superiores

  14. PpIX induces mitochondria-related apoptosis in murine leukemia L1210 cells.

    Science.gov (United States)

    Su, Xiaomin; Chen, Yan; Wang, Xiaobing; Wang, Yuan; Wang, Pan; Li, Long; Liu, Quanhong

    2014-07-01

    Protoporphyrin IX (PpIX), a well-known sensitizer that can enhance laser light or ultrasound induced cytotoxicity in photodynamic and sonodynamic therapy. However, PpIX alone could effectively cause anti-tumor effect and the underlying mechanisms are rarely been reported. Therefore, this study was to investigate the possible mechanism by which PpIX revealed anti-proliferative effect on murine leukemia L1210 cells. The accumulation of PpIX in L1210 cells and normal peripheral blood mononuclear cells (PBMCs) was evaluated with flow cytometry. The subcellular localization of PpIX and apoptosis-inducing factor (AIF) translocation were determined by confocal microscope. The cell viability was examined by MTT assay. Annexin V-PE/7-AAD and DAPI staining were used to detect apoptotic cells. The mitochondrial membrane potential (MMP) changes were tested by rhodamine123 staining. DNA damage was measured by comet assay. PpIX preferentially accumulated in L1210 cells compared to PBMCs and PpIX mainly located in the mitochondria of L1210 cells. PpIX at a concentration of 1 µg/ml or above exerted significant anti-tumor effect and the cell viability loss presented PpIX dose-dependent manner. Typical apoptotic features such as chromatin condensation were observed by DAPI staining. Annexin V-PE/7-AAD analysis showed 5 µg/ml PpIX could induce about 24% cell apoptosis, which was inhibited by cyclosporin A (CsA), an inhibitor of mitochondrial permeability transition pore. In addition, the PpIX caused MMP loss, AIF translocation to nucleus and serious DNA damage were also suppressed by CsA. The results indicate mitochondria-dependent apoptosis were involved in PpIX caused cell damage on L1210 cells.

  15. Multisource thermal model to the transverse momentum spectra in pp collisions at RHIC and LHC energies

    CERN Document Server

    Li, BC; Liu, F; Wen, XJ

    2016-01-01

    In an improved multisource thermal model, we systematically investigate the transverse momentum spectra in pp collisions at high energies ranging from 62.4 GeV to 7 TeV. The results are compared with the experimental data in RHIC and LHC. Based on the collision energy dependence of the source-excitation factors, we estimate the transverse momentum spectra in pp collisions at higher energies, potential future pp colliders operating at 33 and 100 TeV.

  16. Substituting environmentally relevant flame retardants: assessment fundamentals. Vol. 3: toxicological and ecotoxicological substance profiles of selected flame retardants; Erarbeitung von Bewertungsgrundlagen zur Substitution umweltrelevanter Flammschutzmittel. Bd. 3: Toxikologisch-oekotoxikologische Stoffprofile ausgewaehlter Flammschutzmittel

    Energy Technology Data Exchange (ETDEWEB)

    Leisewitz, A.; Kruse, H.; Paulsen, O.; Schau, C.; Wieben, M.; Boehde, U.

    2001-04-01

    The study examines the status, trends and alternatives (substitution and reduction potentials) in the use of flame retardants in selected product sectors: construction; electronics and electrical engineering; rail vehicles; textiles/upholstery. In addition, the study characterises thirteen flame retardants in terms of material flows, applications and toxicology/ecotoxicology. Vol. I: Summary overview of flame retardant applications in Germany in 1999/2000; characterisation of 13 flame retardants in terms of substance properties and application-specific characteristics, range of applications and quantities; derivation of assessment fundamentals for flame retardants, focussing on toxicology/ecotoxicology, suitability for closed-loop substance management, and potential for substitution and reduction; summary assessment of 13 flame retardants; summary overview of flame retardant applications. Vol. II: Analysis of flame retardant applications (state of the art, trends, alternatives) in: unsaturated polyester (UP) resins (rail vehicles); polyurethane (PU) insulating foams and one component foams (OCF) (construction sector); plastics for generic uses in electronic and electrical equipment, in casings for electronic and electrical equipment and in printed circuit boards (electronics/electrical engineering); and in upholstery and mattresses (textile applications). Vol. III: Toxicological/ecotoxicological profiles of substances: Decabromodiphenyl oxide; Tetrabromobisphenol A; Bis[pentabromophenyl]ethane; Hexabromocyclodo-decane, Tris[chloropropyl]phosphate, Resorcinol-bis-diphenylphosphate; N-Hydroxymethyl-3-dimethylphosphonopropionamide, Red phosphorus, Ammonium polyphosphate, Melamin cyanurate, Aluminiumtrihydroxide, Sodium borate decahydrate, Antimony trioxide. (orig.) [German] Untersucht werden Stand, Trends und Alternativen (Substitutions- und Minderungspotentiale) beim Einsatz von Flammschutzmitteln (FSM) in ausgewaehlten Produkten aus: Baubereich, Elektrotechnik

  17. Dilepton production in pp and CC collisions with HADES

    Energy Technology Data Exchange (ETDEWEB)

    Froehlich, I.; Heilmann, M.; Markert, J.; Muentz, C.; Pachmayer, Y.C.; Stroebele, H.; Teilab, K. [Johann Wolfgang Goethe-Universitaet, Institut fuer Kernphysik, Frankfurt (Germany); Agakishiev, G.; Destefanis, M.; Gilardi, C.; Kirschner, D.; Kuehn, W.; Metag, V.; Mishra, D.; Novotny, R.; Pechenov, V.; Pechenova, O.; Perez Cavalcanti, T.; Spruck, B.; Wen, H. [Justus Liebig Univ. Giessen, II.Physikalisches Inst., Giessen (Germany); Agodi, C.; Finocchiaro, P.; Spataro, S. [Istituto Nazionale di Fisica Nucleare, Lab. Nazionali del Sud, Catania (Italy); Balanda, A.; Kozuch, A.; Michalska, B.; Otwinowski, J.; Palka, M.; Przygoda, W.; Salabura, P.; Trebacz, R.; Wisniowski, M.; Wojcik, T. [Jagiellonian Univ. of Cracow, Smoluchowski Inst. of Physics, Cracow (Poland); Bellia, G. [Ist. Nazionale di Fisica Nucleare, Lab. Nazionali del Sud, Catania (Italy)]|[Univ. di Catania (Italy). Dipt. die Fisica e Astronomia; Belver, D.; Cabanelas, P.; Castro, E.; Garzon, J.A.; Lamas-Valverde, J.; Marin, J. [Univ. of Santiago de Compostela, Dept. de Fisica de Particulas, Santiago de Compostela (Spain); Belyaev, A.; Chernenko, S.; Fateev, O.; Ierusalimov, A.; Zanevsky, Y. [Joint Inst. of Nuclear Research, Dubna (Russian Federation); Blanco, A.; Lopes, L.; Mangiarotti, A. [LIP, Dept. de Fisica da Univ. de Coimbra, Coimbra (Portugal); Boehmer, M.; Christ, T.; Eberl, T.; Fabbietti, L.; Friese, J.; Gernhaeuser, R.; Jurkovic, M.; Kruecken, R.; Sailer, B. [Technische Univ. Muenchen, Physik Dept. E12, Garching (Germany); Boyard, J.L.; Hennino, T.; Moriniere, E.; Ramstein, B.; Roy-Stephan, M. [CNRS/IN2P3, Inst. de Physique Nucleaire d' Orsay, Orsay Cedex (France); Braun-Munzinger, P.; Galatyuk, T.; Gonzalez-Diaz, D.; Holzmann, R.; Koenig, I.; Koenig, W.; Kolb, B.W.; Lang, S.; Lange, S.; Pietraszko, J.; Rustamov, A.; Schmah, A.; Simon, R.; Sturm, C.; Traxler, M.; Zumbruch, P. [Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany)] [and others

    2007-03-15

    e{sup +}e{sup -} production was studied using the High Acceptance DiElectron Spectrometer (HADES). In pp collisions at 2.2 GeV kinetic beam energy, the exclusive {eta} production and the Dalitz decay {eta}{yields}{gamma}e{sup +}e{sup -} have been reconstructed. The electromagnetic form factor of the latter decay was found to be in good agreement with the existing theoretical predictions. In addition, an inclusive e{sup +}e{sup -} invariant-mass spectrum from the {sup 12}C+{sup 12}C reaction at 2 AGeV is presented and compared with a simplified thermal model. (orig.)

  18. The Application of CP and PP in Business English

    Institute of Scientific and Technical Information of China (English)

    JIANG Lin; SUN Tian

    2015-01-01

    Cooperative principle and politeness principle enjoy great significance in pragmatic field.Via the analysis of certain ex⁃amples extracted from Business English course-book, this paper aims to study the observance of cooperative principle and polite⁃ness principle. The conclusion is reached that the application of CP and PP in pedagogical practice could benefit students ’lan⁃guage application. Meanwhile, this paper also aims to prove that cooperation and politeness are a key factor in communication through which teachers could improve students’language competence.

  19. Interpretation of the {\\Lambda}(1405) shift observed in pp collisions

    CERN Document Server

    Siebenson, Johannes

    2013-01-01

    In this work we investigate different possible explanations for the observed low mass {\\Lambda}(1405) signal associated to the production of the {\\Lambda}(1405) in p+p reactions at 3.5 GeV beam kinetic energy measured by the HADES collaboration. We study the influence of interference effects between the {\\Lambda}(1405) resonance and the non-resonant background. Furthermore, we present a phenomenological method to use the HADES data for determining the relative contribution of the two {\\Lambda}(1405) poles and discuss to which extent the data can constrain the position of these poles in the complex energy plane.

  20. Inclusive Jet Production in pp¯ Collisions

    Science.gov (United States)

    Abbott, B.; Abdesselam, A.; Abolins, M.; Abramov, V.; Acharya, B. S.; Adams, D. L.; Adams, M.; Alves, G. A.; Amos, N.; Anderson, E. W.; Baarmand, M. M.; Babintsev, V. V.; Babukhadia, L.; Bacon, T. C.; Baden, A.; Baldin, B.; Balm, P. W.; Banerjee, S.; Barberis, E.; Baringer, P.; Bartlett, J. F.; Bassler, U.; Bauer, D.; Bean, A.; Begel, M.; Belyaev, A.; Beri, S. B.; Bernardi, G.; Bertram, I.; Besson, A.; Beuselinck, R.; Bezzubov, V. A.; Bhat, P. C.; Bhatnagar, V.; Bhattacharjee, M.; Blazey, G.; Blessing, S.; Boehnlein, A.; Bojko, N. I.; Borcherding, F.; Brandt, A.; Breedon, R.; Briskin, G.; Brock, R.; Brooijmans, G.; Bross, A.; Buchholz, D.; Buehler, M.; Buescher, V.; Burtovoi, V. S.; Butler, J. M.; Canelli, F.; Carvalho, W.; Casey, D.; Casilum, Z.; Castilla-Valdez, H.; Chakraborty, D.; Chan, K. M.; Chekulaev, S. V.; Cho, D. K.; Choi, S.; Chopra, S.; Christenson, J. H.; Chung, M.; Claes, D.; Clark, A. R.; Cochran, J.; Coney, L.; Connolly, B.; Cooper, W. E.; Coppage, D.; Cummings, M. A.; Cutts, D.; Davis, G. A.; Davis, K.; de, K.; del Signore, K.; Demarteau, M.; Demina, R.; Demine, P.; Denisov, D.; Denisov, S. P.; Desai, S.; Diehl, H. T.; Diesburg, M.; di Loreto, G.; Doulas, S.; Draper, P.; Ducros, Y.; Dudko, L. V.; Duensing, S.; Duflot, L.; Dugad, S. R.; Dyshkant, A.; Edmunds, D.; Ellison, J.; Elvira, V. D.; Engelmann, R.; Eno, S.; Eppley, G.; Ermolov, P.; Eroshin, O. V.; Estrada, J.; Evans, H.; Evdokimov, V. N.; Fahland, T.; Feher, S.; Fein, D.; Ferbel, T.; Fisk, H. E.; Fisyak, Y.; Flattum, E.; Fleuret, F.; Fortner, M.; Frame, K. C.; Fuess, S.; Gallas, E.; Galyaev, A. N.; Gao, M.; Gavrilov, V.; Genik, R. J.; Genser, K.; Gerber, C. E.; Gershtein, Y.; Gilmartin, R.; Ginther, G.; Gómez, B.; Gómez, G.; Goncharov, P. I.; González Solís, J. L.; Gordon, H.; Goss, L. T.; Gounder, K.; Goussiou, A.; Graf, N.; Graham, G.; Grannis, P. D.; Green, J. A.; Greenlee, H.; Grinstein, S.; Groer, L.; Grünendahl, S.; Gupta, A.; Gurzhiev, S. N.; Gutierrez, G.; Gutierrez, P.; Hadley, N. J.; Haggerty, H.; Hagopian, S.; Hagopian, V.; Hahn, K. S.; Hall, R. E.; Hanlet, P.; Hansen, S.; Hauptman, J. M.; Hays, C.; Hebert, C.; Hedin, D.; Heinson, A. P.; Heintz, U.; Heuring, T.; Hirosky, R.; Hobbs, J. D.; Hoeneisen, B.; Hoftun, J. S.; Hou, S.; Huang, Y.; Illingworth, R.; Ito, A. S.; Jaffré, M.; Jerger, S. A.; Jesik, R.; Johns, K.; Johnson, M.; Jonckheere, A.; Jones, M.; Jöstlein, H.; Juste, A.; Kahn, S.; Kajfasz, E.; Karmanov, D.; Karmgard, D.; Kim, S. K.; Klima, B.; Klopfenstein, C.; Knuteson, B.; Ko, W.; Kohli, J. M.; Kostritskiy, A. V.; Kotcher, J.; Kotwal, A. V.; Kozelov, A. V.; Kozlovsky, E. A.; Krane, J.; Krishnaswamy, M. R.; Krzywdzinski, S.; Kubantsev, M.; Kuleshov, S.; Kulik, Y.; Kunori, S.; Kuznetsov, V. E.; Landsberg, G.; Leflat, A.; Leggett, C.; Lehner, F.; Li, J.; Li, Q. Z.; Lima, J. G.; Lincoln, D.; Linn, S. L.; Linnemann, J.; Lipton, R.; Lucotte, A.; Lueking, L.; Lundstedt, C.; Luo, C.; Maciel, A. K.; Madaras, R. J.; Manankov, V.; Mao, H. S.; Marshall, T.; Martin, M. I.; Martin, R. D.; Mauritz, K. M.; May, B.; Mayorov, A. A.; McCarthy, R.; McDonald, J.; McMahon, T.; Melanson, H. L.; Meng, X. C.; Merkin, M.; Merritt, K. W.; Miao, C.; Miettinen, H.; Mihalcea, D.; Mishra, C. S.; Mokhov, N.; Mondal, N. K.; Montgomery, H. E.; Moore, R. W.; Mostafa, M.; da Motta, H.; Nagy, E.; Nang, F.; Narain, M.; Narasimham, V. S.; Neal, H. A.; Negret, J. P.; Negroni, S.; Norman, D.; Nunnemann, T.; Oesch, L.; Oguri, V.; Olivier, B.; Oshima, N.; Padley, P.; Pan, L. J.; Papageorgiou, K.; Para, A.; Parashar, N.; Partridge, R.; Parua, N.; Paterno, M.; Patwa, A.; Pawlik, B.; Perkins, J.; Peters, M.; Peters, O.; Pétroff, P.; Piegaia, R.; Piekarz, H.; Pope, B. G.; Popkov, E.; Prosper, H. B.; Protopopescu, S.; Qian, J.; Quintas, P. Z.; Raja, R.; Rajagopalan, S.; Ramberg, E.; Rapidis, P. A.; Reay, N. W.; Reucroft, S.; Rha, J.; Ridel, M.; Rijssenbeek, M.; Rockwell, T.; Roco, M.; Rubinov, P.; Ruchti, R.; Rutherfoord, J.; Santoro, A.; Sawyer, L.; Schamberger, R. D.; Schellman, H.; Schwartzman, A.; Sen, N.; Shabalina, E.; Shivpuri, R. K.; Shpakov, D.; Shupe, M.; Sidwell, R. A.; Simak, V.; Singh, H.; Singh, J. B.; Sirotenko, V.; Slattery, P.; Smith, E.; Smith, R. P.; Snihur, R.; Snow, G. R.; Snow, J.; Snyder, S.; Solomon, J.; Sorín, V.; Sosebee, M.; Sotnikova, N.; Soustruznik, K.; Souza, M.; Stanton, N. R.; Steinbrück, G.; Stephens, R. W.; Stichelbaut, F.; Stoker, D.; Stolin, V.; Stoyanova, D. A.; Strauss, M.; Strovink, M.; Stutte, L.; Sznajder, A.; Taylor, W.; Tentindo-Repond, S.; Thompson, J.; Toback, D.; Tripathi, S. M.; Trippe, T. G.; Turcot, A. S.; Tuts, P. M.; van Gemmeren, P.; Vaniev, V.; van Kooten, R.; Varelas, N.; Volkov, A. A.; Vorobiev, A. P.; Wahl, H. D.; Wang, H.; Wang, Z.-M.; Warchol, J.; Watts, G.; Wayne, M.; Weerts, H.; White, A.; White, J. T.; Whiteson, D.; Wightman, J. A.; Wijngaarden, D. A.; Willis, S.; Wimpenny, S. J.; Wirjawan, J. V.; Womersley, J.; Wood, D. R.; Yamada, R.; Yamin, P.; Yasuda, T.; Yip, K.; Youssef, S.; Yu, J.; Yu, Z.; Zanabria, M.; Zheng, H.; Zhou, Z.; Zielinski, M.; Zieminska, D.; Zieminski, A.; Zutshi, V.; Zverev, E. G.; Zylberstejn, A.

    2001-02-01

    We report a new measurement of the pseudorapidity ( η) and transverse-energy ( ET) dependence of the inclusive jet production cross section in pp¯ collisions at s = 1.8 TeV using 95 pb-1 of data collected with the D0 detector at the Fermilab Tevatron. The differential cross section d2σ/\\(dETdη\\) is presented up to \\|η\\| = 3, significantly extending previous measurements. The results are in good overall agreement with next-to-leading order predictions from QCD and indicate a preference for certain parton distribution functions.

  1. Flavour tagging of $b$ mesons in $pp$ collisions at LHCb

    CERN Multimedia

    Mueller, Vanessa

    2016-01-01

    Flavour tagging, i.e. the inference of the production flavour of reconstructed $b$ hadrons, is essential for precision measurements of decay time-dependent $CP$ violation and of mixing parameters in the the neutral $B$ meson systems. LHC's $pp$ collisions with their high track multiplicities constitute a challenging environment for flavour tagging and demand for new and improved strategies. We present recent progress and new developments in flavour tagging at the LHCb experiment, which will allow for a further improvement of $CP$ violation measurements in decays of $B^0$ and $B_s^0$ mesons.

  2. Unintegrated gluon distribution and soft pp collisions at LHC

    CERN Document Server

    Grinyuk, A A; Lykasov, G I; Lipatov, A V; Zotov, N P

    2012-01-01

    We found the parameterization of the unintegrated gluon distribution from the best description of the LHC data on the inclusive spectra of hadrons produced in $pp$ collisions at the mid-rapidity region and small transverse momenta. It is different from the one obtained within perturbative QCD only at low intrinsic transverse momenta $k_t$. The application of this distribution to analysis of the $e-p$ DIS allows us to get the results which do not contradict the H1 and ZEUS data on the structure functions at low $x$. So, the connection between the soft processes at LHC and low-$x$ physics at HERA is found.

  3. Gamma radiation induced degradation in PE-PP block copolymer

    Energy Technology Data Exchange (ETDEWEB)

    Ravi, H. R.; Sreepad, H. R.; Ahmed, Khaleel; Govindaiah, T. N. [P.G. Department of Physics, Government College (Autonomous), Mandya - 571401, Karnataka State (India)

    2012-06-05

    In the present investigation, effect of gamma irradiation on the PP-PE block copolymer has been studied. The polymer has been subjected to gamma irradiation from 100 to 500 Mrad dosages. Characterization of the polymer using XRD and FTIR was done both before irradiation and after irradiation in each step. Effect of irradiation on the electrical properties of the material has also been studied. FTIR study shows that the sample loses C - C stretching mode of vibration but gains C=C stretching mode of vibration after irradiation. Present investigation clearly indicates that though the electrical conductivity increases in the material, it undergoes degradation and shows brittleness due to irradiation.

  4. RHIC FY15 pp Run RHIC and AGS polarization analysis

    Energy Technology Data Exchange (ETDEWEB)

    Huang, H. [Brookhaven National Lab. (BNL), Upton, NY (United States); Adams, P. [Brookhaven National Lab. (BNL), Upton, NY (United States)

    2016-02-20

    The polarization information is important for the spin physics program in Relativistic Heavy Ion Collider (RHIC). There are discrepancies between AGS and RHIC polarization measurements. First, the face value of AGS polarization is higher than RHIC ones in general. Second, the measured polarization profile (described by the profile ratio R) is stronger in AGS than in RHIC. This note analyzes the polarization data from FY15 pp run period. The results show that the differences between AGS and RHIC polarization measurements are reasonable, but the R value difference is puzzling. The difference between blue and yellow ring is worth of spin simulation to explain.

  5. The GridPP DIRAC project: Implementation of a multi-VO DIRAC service

    Science.gov (United States)

    Bauer, D.; Colling, D.; Currie, R.; Fayer, S.; Huffman, A.; Martyniak, J.; Rand, D.; Richards, A.

    2015-12-01

    The GridPP consortium provides computing support to many high energy physics projects in the UK. As part of this GridPP offers access to a large amount of highly distributed resources across the UK for multiple collaborations. The userbase supported by GridPP includes hundreds of users spanning multiple virtual organisations with many different computing requirements. In order to provide a common interface to these distributed a centralised DIRAC instance has been setup at Imperial College London. This paper describes the experiences learnt from deploying this DIRAC instance and the modifications that have made to support the GridPP use case.

  6. ToF-SIMS imaging of PE/PP polymer using multivariate analysis

    Science.gov (United States)

    Miyasaka, Toyomitsu; Ikemoto, Takashi; Kohno, Teiichiro

    2008-12-01

    The distribution of polyethylene (PE) and polypropylene (PP) in PE/PP blended-polymer film was determined by applying principal components analysis (PCA) and multivariate curve resolution (MCR) to time-of-flight secondary ion mass spectroscopy (ToF-SIMS) imaging, together with preprocessing by pixel binning, normalization, and autoscaling to increase image contrast by reducing topographic and charge-distribution effects. The PE/PP distribution was confirmed by MVA conducted on the image data over static limit. The MCR score with normalized-autoscaling was found to give the PE/PP distribution distinctly.

  7. Preparation,structure and properties of PP-g-AA grafting copolymer

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Polypropylene grafting with AA was prepared by reactive extrusion with pre-irradiated PP (rPP) as the homogeneous initiator.The effects of the pre-irradiated dose,the fraction of rPP and the concentration of acrylic acid on the grafting reaction were studied and the grafted PP was characterized by Fourier transition infrared spectroscopy (FTIR),differential scanning calorimeter (DSC)and polarized light microscopy (PLM).The results show that the degradation of PP was suppressed efficiently with this novel method for preparing PP-g-AA copolymers,and the grafted copolymers with good mechanical properties were obtained.It was found that the product with higher graft degree (Gd)(0.19%) and relatively excellent mechanical properties can be produced if the mass ratio of PP/rPP/AA 4 kGy.Moreover,an adhesive strength of 4.88 kN/m was reached in the PP-g-AA/aluminum laminate.

  8. Mechanical and thermal properties of polypropylene (PP) composites filled with modified shell waste

    Energy Technology Data Exchange (ETDEWEB)

    Yao, Z.T., E-mail: sxyzt@126.com [College of Materials Science and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018 (China); Chen, T. [Department of Ocean Science and Engineering, Zhejiang University, Hangzhou 310058 (China); Li, H.Y. [Zhoushan Ocean Research Institute, Zhejiang University, Zhoushan 316021 (China); Xia, M.S., E-mail: msxia@zju.edu.cn [Department of Ocean Science and Engineering, Zhejiang University, Hangzhou 310058 (China); Ye, Y.; Zheng, H. [Department of Ocean Science and Engineering, Zhejiang University, Hangzhou 310058 (China)

    2013-11-15

    Highlights: • Adding modified shell powder could significantly increase the properties of PP. • The modified shell powder could act as a nucleating agent in PP matrix. • The modified shell powder has a potential to be used as a bio-filler. -- Abstract: Shell waste, with its high content of calcium carbonate (CaCO{sub 3}) plus organic matrix, has a potential to be used as a bio-filler. In this work, shell waste was modified by furfural and then incorporated to reinforce polypropylene (PP). The shell waste and modified powder were characterized by means of X-ray diffraction (XRD), scanning electron microscopy equipped with an energy dispersive spectrometer (SEM-EDS), X-ray photoelectronic spectroscopy (XPS), and Fourier transformed infrared spectroscopy (FTIR). The mechanical and thermal properties of neat PP and PP composites were investigated as well. Thermal gravimetric (TG) analyses confirmed the reinforcing role of modified powder in PP composites. The mechanical properties studied showed that adding modified powder could significantly increase the impact strength, elongation at break point and flexural modulus of composites. The maximum incorporation content could reach 15 wt.% with a good balance between toughness and stiffness of PP composites. Differential scanning calorimetry (DSC) results showed that the modified powder could act as a nucleating agent and thus increase the crystallization temperature of PP. Polarized optical microscopy (POM) observation also indicated that the introduction of modified powder could promote the heterogeneous nucleation of PP matrix.

  9. Differential regulation by ppGpp versus pppGpp in Escherichia coli.

    Science.gov (United States)

    Mechold, Undine; Potrykus, Katarzyna; Murphy, Helen; Murakami, Katsuhiko S; Cashel, Michael

    2013-07-01

    Both ppGpp and pppGpp are thought to function collectively as second messengers for many complex cellular responses to nutritional stress throughout biology. There are few indications that their regulatory effects might be different; however, this question has been largely unexplored for lack of an ability to experimentally manipulate the relative abundance of ppGpp and pppGpp. Here, we achieve preferential accumulation of either ppGpp or pppGpp with Escherichia coli strains through induction of different Streptococcal (p)ppGpp synthetase fragments. In addition, expression of E. coli GppA, a pppGpp 5'-gamma phosphate hydrolase that converts pppGpp to ppGpp, is manipulated to fine tune differential accumulation of ppGpp and pppGpp. In vivo and in vitro experiments show that pppGpp is less potent than ppGpp with respect to regulation of growth rate, RNA/DNA ratios, ribosomal RNA P1 promoter transcription inhibition, threonine operon promoter activation and RpoS induction. To provide further insights into regulation by (p)ppGpp, we have also determined crystal structures of E. coli RNA polymerase-σ(70) holoenzyme with ppGpp and pppGpp. We find that both nucleotides bind to a site at the interface between β' and ω subunits.

  10. Different effects of ppGpp on Escherichia coli DNA replication in vivo and in vitro.

    Science.gov (United States)

    Maciąg-Dorszyńska, Monika; Szalewska-Pałasz, Agnieszka; Węgrzyn, Grzegorz

    2013-01-01

    Inhibition of Escherichia coli DNA replication by guanosine tetraphosphate (ppGpp) is demonstrated in vitro. This finding is compatible with impairment of the DnaG primase activity by this nucleotide. However, in agreement to previous reports, we were not able to detect a rapid inhibition of DNA synthesis in E. coli cells under the stringent control conditions, when intracellular ppGpp levels increase dramatically. We suggest that the process of ppGpp-mediated inhibition of DnaG activity may be masked in E. coli cells, which could provide a rationale for explanation of differences between ppGpp effects on DNA replication in E. coli and Bacillus subtilis.

  11. Study on Properties of PP/Nano-CaCO3 Composite%PP/Nano-CaCO3复合材料性能的研究

    Institute of Scientific and Technical Information of China (English)

    高岩磊; 陈慧; 郧海丽; 崔文广

    2012-01-01

    PP/nano-CaCO3 composite was prepared by melt blending PP with nano-CaCO3. The effect of the nano-CaCO3 content on mechanical property of the PP/nano-CaC03 composite was studied. The dispersion of the nano-CaCO3 in PP matrix was analyzed by SEM. The results show that: with the increase of content of nano-CaCO3, the impact strength and the tensile strength of the PP/nano-CaCO3 composite both increase firstly and then decrease, but the flexural modulus of the PP/nano-CaCO3 composite increase evidently. The dispersion of the nano-CaCO3 in PP matrix gradually becomes bad with the increase of the content of nano-CaCO3.%采用熔融共混法制备出了聚丙烯(PP)/纳米碳酸钙(nano-CaCO3)复合材料,研究了nano-CaCO3的加入量对复合材料力学性能的影响,利用扫描电镜(SEM)分析了nano-CaCO3在PP基体中的分散性.结果表明:随着nano-CaCO3用量的增加,PP/nano-CaCO3复合材料的冲击强度和拉伸强度均呈现出先增加后降低的趋势,而弯曲模量呈增加趋势;随着填加最的增加,nano-CaCO3在PP基体中的分散性逐渐变差.

  12. Organometallic neptunium(III) complexes.

    Science.gov (United States)

    Dutkiewicz, Michał S; Farnaby, Joy H; Apostolidis, Christos; Colineau, Eric; Walter, Olaf; Magnani, Nicola; Gardiner, Michael G; Love, Jason B; Kaltsoyannis, Nikolas; Caciuffo, Roberto; Arnold, Polly L

    2016-08-01

    Studies of transuranic organometallic complexes provide a particularly valuable insight into covalent contributions to the metal-ligand bonding, in which the subtle differences between the transuranium actinide ions and their lighter lanthanide counterparts are of fundamental importance for the effective remediation of nuclear waste. Unlike the organometallic chemistry of uranium, which has focused strongly on U(III) and has seen some spectacular advances, that of the transuranics is significantly technically more challenging and has remained dormant. In the case of neptunium, it is limited mainly to Np(IV). Here we report the synthesis of three new Np(III) organometallic compounds and the characterization of their molecular and electronic structures. These studies suggest that Np(III) complexes could act as single-molecule magnets, and that the lower oxidation state of Np(II) is chemically accessible. In comparison with lanthanide analogues, significant d- and f-electron contributions to key Np(III) orbitals are observed, which shows that fundamental neptunium organometallic chemistry can provide new insights into the behaviour of f-elements.

  13. Measurement of the Slope Parameter for the eta->3pi0 Decay in the pp->pp eta Reaction

    CERN Document Server

    Bashkanov, M; Calén, H; Capellaro, F; Clement, H; Demirörs, L; Ekström, C; Fransson, K; Gustafsson, L; Höistad, B; Ivanov, G; Jacewicz, M; Jiganov, E; Johansson, T; Keleta, S; Koch, I; Kullander, Sven; Kupsc, A; Kuznetsov, A; Marciniewski, P; Meier, R; Morosov, B; Oelert, W; Pauly, C; Petukhov, Yu P; Pettersson, H; Povtorejko, A; Ruber, R J M Y; Schönning, K; Scobel, W; Skorodko, T; Shwartz, B; Sopov, V; Stepaniak, J; Chernyshov, V; Engblom, P Thörngren; Tikhomirov, V; Turowiecki, A; Wagner, G J; Wiedner, U; Wolke, M; Yamamoto, A; Zabierowski, J; Złomańczuk, J

    2007-01-01

    The CELSIUS/WASA setup is used to measure the 3pi0 decay of eta mesons produced in pp interactions with beam kinetic energies of 1.36 and 1.45 GeV. The efficiency-corrected Dalitz plot and density distributions for this decay are shown, together with a fit of the quadratic slope parameter alpha yielding alpha = -0.026 +/- 0.010(stat) +/- 0.010(syst). This value is compared to recent experimental results and theoretical predictions.

  14. Natural Mallow Fiber-Reinforced Epoxy Composite for Ballistic Armor Against Class III-A Ammunition

    Science.gov (United States)

    Nascimento, Lucio Fabio Cassiano; Holanda, Luane Isquerdo Ferreira; Louro, Luis Henrique Leme; Monteiro, Sergio Neves; Gomes, Alaelson Vieira; Lima, Édio Pereira

    2017-10-01

    Epoxy matrix composites reinforced with up to 30 vol pct of continuous and aligned natural mallow fibers were for the first time ballistic tested as personal armor against class III-A 9 mm FMJ ammunition. The ballistic efficiency of these composites was assessed by measuring the dissipated energy and residual velocity after the bullet perforation. The results were compared to those in similar tests of aramid fabric (Kevlar™) commonly used in vests for personal protections. Visual inspection and scanning electron microscopy analysis of impact-fractured samples revealed failure mechanisms associated with fiber pullout and rupture as well as epoxy cracking. As compared to Kevlar™, the mallow fiber composite displayed practically the same ballistic efficiency. However, there is a reduction in both weight and cost, which makes the mallow fiber composites a promising material for personal ballistic protection.

  15. Evidence for collectivity in pp collisions at the LHC

    CERN Document Server

    Khachatryan, Vardan; Tumasyan, Armen; Adam, Wolfgang; Aşılar, Ece; Bergauer, Thomas; Brandstetter, Johannes; Brondolin, Erica; Dragicevic, Marko; Erö, Janos; Flechl, Martin; Friedl, Markus; Fruehwirth, Rudolf; Ghete, Vasile Mihai; Hartl, Christian; Hörmann, Natascha; Hrubec, Josef; Jeitler, Manfred; König, Axel; Krätschmer, Ilse; Liko, Dietrich; Matsushita, Takashi; Mikulec, Ivan; Rabady, Dinyar; Rad, Navid; Rahbaran, Babak; Rohringer, Herbert; Schieck, Jochen; Strauss, Josef; Treberer-Treberspurg, Wolfgang; Waltenberger, Wolfgang; Wulz, Claudia-Elisabeth; Mossolov, Vladimir; Shumeiko, Nikolai; Suarez Gonzalez, Juan; Alderweireldt, Sara; De Wolf, Eddi A; Janssen, Xavier; Lauwers, Jasper; Van De Klundert, Merijn; Van Haevermaet, Hans; Van Mechelen, Pierre; Van Remortel, Nick; Van Spilbeeck, Alex; Abu Zeid, Shimaa; Blekman, Freya; D'Hondt, Jorgen; Daci, Nadir; De Bruyn, Isabelle; Deroover, Kevin; Heracleous, Natalie; Lowette, Steven; Moortgat, Seth; Moreels, Lieselotte; Olbrechts, Annik; Python, Quentin; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Parijs, Isis; Brun, Hugues; Caillol, Cécile; Clerbaux, Barbara; De Lentdecker, Gilles; Delannoy, Hugo; Fasanella, Giuseppe; Favart, Laurent; Goldouzian, Reza; Grebenyuk, Anastasia; Karapostoli, Georgia; Lenzi, Thomas; Léonard, Alexandre; Luetic, Jelena; Maerschalk, Thierry; Marinov, Andrey; Randle-conde, Aidan; Seva, Tomislav; Vander Velde, Catherine; Vanlaer, Pascal; Yonamine, Ryo; Zenoni, Florian; Zhang, Fengwangdong; Cimmino, Anna; Cornelis, Tom; Dobur, Didar; Fagot, Alexis; Garcia, Guillaume; Gul, Muhammad; Poyraz, Deniz; Salva Diblen, Sinem; Schöfbeck, Robert; Sharma, Archana; Tytgat, Michael; Van Driessche, Ward; Yazgan, Efe; Zaganidis, Nicolas; Bakhshiansohi, Hamed; Beluffi, Camille; Bondu, Olivier; Brochet, Sébastien; Bruno, Giacomo; Caudron, Adrien; De Visscher, Simon; Delaere, Christophe; Delcourt, Martin; Francois, Brieuc; Giammanco, Andrea; Jafari, Abideh; Jez, Pavel; Komm, Matthias; Lemaitre, Vincent; Magitteri, Alessio; Mertens, Alexandre; Musich, Marco; Nuttens, Claude; Piotrzkowski, Krzysztof; Quertenmont, Loic; Selvaggi, Michele; Vidal Marono, Miguel; Wertz, Sébastien; Beliy, Nikita; Aldá Júnior, Walter Luiz; Alves, Fábio Lúcio; Alves, Gilvan; Brito, Lucas; Hensel, Carsten; Moraes, Arthur; Pol, Maria Elena; Rebello Teles, Patricia; Belchior Batista Das Chagas, Ewerton; Carvalho, Wagner; Chinellato, Jose; Custódio, Analu; Melo Da Costa, Eliza; Da Silveira, Gustavo Gil; De Jesus Damiao, Dilson; De Oliveira Martins, Carley; Fonseca De Souza, Sandro; Huertas Guativa, Lina Milena; Malbouisson, Helena; Matos Figueiredo, Diego; Mora Herrera, Clemencia; Mundim, Luiz; Nogima, Helio; Prado Da Silva, Wanda Lucia; Santoro, Alberto; Sznajder, Andre; Tonelli Manganote, Edmilson José; Vilela Pereira, Antonio; Ahuja, Sudha; Bernardes, Cesar Augusto; Dogra, Sunil; Tomei, Thiago; De Moraes Gregores, Eduardo; Mercadante, Pedro G; Moon, Chang-Seong; Novaes, Sergio F; Padula, Sandra; Romero Abad, David; Ruiz Vargas, José Cupertino; Aleksandrov, Aleksandar; Hadjiiska, Roumyana; Iaydjiev, Plamen; Rodozov, Mircho; Stoykova, Stefka; Sultanov, Georgi; Vutova, Mariana; Dimitrov, Anton; Glushkov, Ivan; Litov, Leander; Pavlov, Borislav; Petkov, Peicho; Fang, Wenxing; Ahmad, Muhammad; Bian, Jian-Guo; Chen, Guo-Ming; Chen, He-Sheng; Chen, Mingshui; Chen, Ye; Cheng, Tongguang; Jiang, Chun-Hua; Leggat, Duncan; Liu, Zhenan; Romeo, Francesco; Shaheen, Sarmad Masood; Spiezia, Aniello; Tao, Junquan; Wang, Chunjie; Wang, Zheng; Zhang, Huaqiao; Zhao, Jingzhou; Ban, Yong; Chen, Geng; Li, Qiang; Liu, Shuai; Mao, Yajun; Qian, Si-Jin; Wang, Dayong; Xu, Zijun; Avila, Carlos; Cabrera, Andrés; Chaparro Sierra, Luisa Fernanda; Florez, Carlos; Gomez, Juan Pablo; González Hernández, Carlos Felipe; Ruiz Alvarez, José David; Sanabria, Juan Carlos; Godinovic, Nikola; Lelas, Damir; Puljak, Ivica; Ribeiro Cipriano, Pedro M; Sculac, Toni; Antunovic, Zeljko; Kovac, Marko; Brigljevic, Vuko; Ferencek, Dinko; Kadija, Kreso; Micanovic, Sasa; Sudic, Lucija; Susa, Tatjana; Attikis, Alexandros; Mavromanolakis, Georgios; Mousa, Jehad; Nicolaou, Charalambos; Ptochos, Fotios; Razis, Panos A; Rykaczewski, Hans; Finger, Miroslav; Finger Jr, Michael; Carrera Jarrin, Edgar; Abdelalim, Ahmed Ali; El-khateeb, Esraa; Salama, Elsayed; Calpas, Betty; Kadastik, Mario; Murumaa, Marion; Perrini, Lucia; Raidal, Martti; Tiko, Andres; Veelken, Christian; Eerola, Paula; Pekkanen, Juska; Voutilainen, Mikko; Härkönen, Jaakko; Karimäki, Veikko; Kinnunen, Ritva; Lampén, Tapio; Lassila-Perini, Kati; Lehti, Sami; Lindén, Tomas; Luukka, Panja-Riina; Tuominiemi, Jorma; Tuovinen, Esa; Wendland, Lauri; Talvitie, Joonas; Tuuva, Tuure; Besancon, Marc; Couderc, Fabrice; Dejardin, Marc; Denegri, Daniel; Fabbro, Bernard; Faure, Jean-Louis; Favaro, Carlotta; Ferri, Federico; Ganjour, Serguei; Ghosh, Saranya; Givernaud, Alain; Gras, Philippe; Hamel de Monchenault, Gautier; Jarry, Patrick; Kucher, Inna; Locci, Elizabeth; Machet, Martina; Malcles, Julie; Rander, John; Rosowsky, André; Titov, Maksym; Zghiche, Amina; Abdulsalam, Abdulla; Antropov, Iurii; Baffioni, Stephanie; Beaudette, Florian; Busson, Philippe; Cadamuro, Luca; Chapon, Emilien; Charlot, Claude; Davignon, Olivier; Granier de Cassagnac, Raphael; Jo, Mihee; Lisniak, Stanislav; Miné, Philippe; Nguyen, Matthew; Ochando, Christophe; Ortona, Giacomo; Paganini, Pascal; Pigard, Philipp; Regnard, Simon; Salerno, Roberto; Sirois, Yves; Strebler, Thomas; Yilmaz, Yetkin; Zabi, Alexandre; Agram, Jean-Laurent; Andrea, Jeremy; Aubin, Alexandre; Bloch, Daniel; Brom, Jean-Marie; Buttignol, Michael; Chabert, Eric Christian; Chanon, Nicolas; Collard, Caroline; Conte, Eric; Coubez, Xavier; Fontaine, Jean-Charles; Gelé, Denis; Goerlach, Ulrich; Le Bihan, Anne-Catherine; Skovpen, Kirill; Van Hove, Pierre; Gadrat, Sébastien; Beauceron, Stephanie; Bernet, Colin; Boudoul, Gaelle; Bouvier, Elvire; Carrillo Montoya, Camilo Andres; Chierici, Roberto; Contardo, Didier; Courbon, Benoit; Depasse, Pierre; El Mamouni, Houmani; Fan, Jiawei; Fay, Jean; Gascon, Susan; Gouzevitch, Maxime; Grenier, Gérald; Ille, Bernard; Lagarde, Francois; Laktineh, Imad Baptiste; Lethuillier, Morgan; Mirabito, Laurent; Pequegnot, Anne-Laure; Perries, Stephane; Popov, Andrey; Sabes, David; Sordini, Viola; Vander Donckt, Muriel; Verdier, Patrice; Viret, Sébastien; Toriashvili, Tengizi; Tsamalaidze, Zviad; Autermann, Christian; Beranek, Sarah; Feld, Lutz; Heister, Arno; Kiesel, Maximilian Knut; Klein, Katja; Lipinski, Martin; Ostapchuk, Andrey; Preuten, Marius; Raupach, Frank; Schael, Stefan; Schomakers, Christian; Schulte, Jan-Frederik; Schulz, Johannes; Verlage, Tobias; Weber, Hendrik; Zhukov, Valery; Albert, Andreas; Brodski, Michael; Dietz-Laursonn, Erik; Duchardt, Deborah; Endres, Matthias; Erdmann, Martin; Erdweg, Sören; Esch, Thomas; Fischer, Robert; Güth, Andreas; Hamer, Matthias; Hebbeker, Thomas; Heidemann, Carsten; Hoepfner, Kerstin; Knutzen, Simon; Merschmeyer, Markus; Meyer, Arnd; Millet, Philipp; Mukherjee, Swagata; Olschewski, Mark; Padeken, Klaas; Pook, Tobias; Radziej, Markus; Reithler, Hans; Rieger, Marcel; Scheuch, Florian; Sonnenschein, Lars; Teyssier, Daniel; Thüer, Sebastian; Cherepanov, Vladimir; Flügge, Günter; Haj Ahmad, Wael; Hoehle, Felix; Kargoll, Bastian; Kress, Thomas; Künsken, Andreas; Lingemann, Joschka; Müller, Thomas; Nehrkorn, Alexander; Nowack, Andreas; Nugent, Ian Michael; Pistone, Claudia; Pooth, Oliver; Stahl, Achim; Aldaya Martin, Maria; Asawatangtrakuldee, Chayanit; Beernaert, Kelly; Behnke, Olaf; Behrens, Ulf; Bin Anuar, Afiq Aizuddin; Borras, Kerstin; Campbell, Alan; Connor, Patrick; Contreras-Campana, Christian; Costanza, Francesco; Diez Pardos, Carmen; Dolinska, Ganna; Eckerlin, Guenter; Eckstein, Doris; Eren, Engin; Gallo, Elisabetta; Garay Garcia, Jasone; Geiser, Achim; Gizhko, Andrii; Grados Luyando, Juan Manuel; Gunnellini, Paolo; Harb, Ali; Hauk, Johannes; Hempel, Maria; Jung, Hannes; Kalogeropoulos, Alexis; Karacheban, Olena; Kasemann, Matthias; Keaveney, James; Kleinwort, Claus; Korol, Ievgen; Krücker, Dirk; Lange, Wolfgang; Lelek, Aleksandra; Leonard, Jessica; Lipka, Katerina; Lobanov, Artur; Lohmann, Wolfgang; Mankel, Rainer; Melzer-Pellmann, Isabell-Alissandra; Meyer, Andreas Bernhard; Mittag, Gregor; Mnich, Joachim; Mussgiller, Andreas; Ntomari, Eleni; Pitzl, Daniel; Raspereza, Alexei; Roland, Benoit; Sahin, Mehmet Özgür; Saxena, Pooja; Schoerner-Sadenius, Thomas; Seitz, Claudia; Spannagel, Simon; Stefaniuk, Nazar; Van Onsem, Gerrit Patrick; Walsh, Roberval; Wissing, Christoph; Blobel, Volker; Centis Vignali, Matteo; Draeger, Arne-Rasmus; Dreyer, Torben; Garutti, Erika; Gonzalez, Daniel; Haller, Johannes; Hoffmann, Malte; Junkes, Alexandra; Klanner, Robert; Kogler, Roman; Kovalchuk, Nataliia; Lapsien, Tobias; Lenz, Teresa; Marchesini, Ivan; Marconi, Daniele; Meyer, Mareike; Niedziela, Marek; Nowatschin, Dominik; Pantaleo, Felice; Peiffer, Thomas; Perieanu, Adrian; Poehlsen, Jennifer; Sander, Christian; Scharf, Christian; Schleper, Peter; Schmidt, Alexander; Schumann, Svenja; Schwandt, Joern; Stadie, Hartmut; Steinbrück, Georg; Stober, Fred-Markus Helmut; Stöver, Marc; Tholen, Heiner; Troendle, Daniel; Usai, Emanuele; Vanelderen, Lukas; Vanhoefer, Annika; Vormwald, Benedikt; Barth, Christian; Baus, Colin; Berger, Joram; Butz, Erik; Chwalek, Thorsten; Colombo, Fabio; De Boer, Wim; Dierlamm, Alexander; Fink, Simon; Friese, Raphael; Giffels, Manuel; Gilbert, Andrew; Goldenzweig, Pablo; Haitz, Dominik; Hartmann, Frank; Heindl, Stefan Michael; Husemann, Ulrich; Katkov, Igor; Lobelle Pardo, Patricia; Maier, Benedikt; Mildner, Hannes; Mozer, Matthias Ulrich; Müller, Thomas; Plagge, Michael; Quast, Gunter; Rabbertz, Klaus; Röcker, Steffen; Roscher, Frank; Schröder, Matthias; Shvetsov, Ivan; Sieber, Georg; Simonis, Hans-Jürgen; Ulrich, Ralf; Wagner-Kuhr, Jeannine; Wayand, Stefan; Weber, Marc; Weiler, Thomas; Williamson, Shawn; Wöhrmann, Clemens; Wolf, Roger; Anagnostou, Georgios; Daskalakis, Georgios; Geralis, Theodoros; Giakoumopoulou, Viktoria Athina; Kyriakis, Aristotelis; Loukas, Demetrios; Topsis-Giotis, Iasonas; Kesisoglou, Stilianos; Panagiotou, Apostolos; Saoulidou, Niki; Tziaferi, Eirini; Evangelou, Ioannis; Flouris, Giannis; Foudas, Costas; Kokkas, Panagiotis; Loukas, Nikitas; Manthos, Nikolaos; Papadopoulos, Ioannis; Paradas, Evangelos; Filipovic, Nicolas; Bencze, Gyorgy; Hajdu, Csaba; Hidas, Pàl; Horvath, Dezso; Sikler, Ferenc; Veszpremi, Viktor; Vesztergombi, Gyorgy; Zsigmond, Anna Julia; Beni, Noemi; Czellar, Sandor; Karancsi, János; Makovec, Alajos; Molnar, Jozsef; Szillasi, Zoltan; Bartók, Márton; Raics, Peter; Trocsanyi, Zoltan Laszlo; Ujvari, Balazs; Bahinipati, Seema; Choudhury, Somnath; Mal, Prolay; Mandal, Koushik; Nayak, Aruna; Sahoo, Deepak Kumar; Sahoo, Niladribihari; Swain, Sanjay Kumar; Bansal, Sunil; Beri, Suman Bala; Bhatnagar, Vipin; Chawla, Ridhi; Bhawandeep, Bhawandeep; Kalsi, Amandeep Kaur; Kaur, Anterpreet; Kaur, Manjit; Kumar, Ramandeep; Mehta, Ankita; Mittal, Monika; Singh, Jasbir; Walia, Genius; Kumar, Ashok; Bhardwaj, Ashutosh; Choudhary, Brajesh C; Garg, Rocky Bala; Keshri, Sumit; Malhotra, Shivali; Naimuddin, Md; Nishu, Nishu; Ranjan, Kirti; Sharma, Ramkrishna; Sharma, Varun; Bhattacharya, Rajarshi; Bhattacharya, Satyaki; Chatterjee, Kalyanmoy; Dey, Sourav; Dutt, Suneel; Dutta, Suchandra; Ghosh, Shamik; Majumdar, Nayana; Modak, Atanu; Mondal, Kuntal; Mukhopadhyay, Supratik; Nandan, Saswati; Purohit, Arnab; Roy, Ashim; Roy, Debarati; Roy Chowdhury, Suvankar; Sarkar, Subir; Sharan, Manoj; Thakur, Shalini; Behera, Prafulla Kumar; Chudasama, Ruchi; Dutta, Dipanwita; Jha, Vishwajeet; Kumar, Vineet; Mohanty, Ajit Kumar; Netrakanti, Pawan Kumar; Pant, Lalit Mohan; Shukla, Prashant; Topkar, Anita; Aziz, Tariq; Dugad, Shashikant; Kole, Gouranga; Mahakud, Bibhuprasad; Mitra, Soureek; Mohanty, Gagan Bihari; Parida, Bibhuti; Sur, Nairit; Sutar, Bajrang; Banerjee, Sudeshna; Bhowmik, Sandeep; Dewanjee, Ram Krishna; Ganguly, Sanmay; Guchait, Monoranjan; Jain, Sandhya; Kumar, Sanjeev; Maity, Manas; Majumder, Gobinda; Mazumdar, Kajari; Sarkar, Tanmay; Wickramage, Nadeesha; Chauhan, Shubhanshu; Dube, Sourabh; Hegde, Vinay; Kapoor, Anshul; Kothekar, Kunal; Rane, Aditee; Sharma, Seema; Behnamian, Hadi; Chenarani, Shirin; Eskandari Tadavani, Esmaeel; Etesami, Seyed Mohsen; Fahim, Ali; Khakzad, Mohsen; Mohammadi Najafabadi, Mojtaba; Naseri, Mohsen; Paktinat Mehdiabadi, Saeid; Rezaei Hosseinabadi, Ferdos; Safarzadeh, Batool; Zeinali, Maryam; Felcini, Marta; Grunewald, Martin; Abbrescia, Marcello; Calabria, Cesare; Caputo, Claudio; Colaleo, Anna; Creanza, Donato; Cristella, Leonardo; De Filippis, Nicola; De Palma, Mauro; Fiore, Luigi; Iaselli, Giuseppe; Maggi, Giorgio; Maggi, Marcello; Miniello, Giorgia; My, Salvatore; Nuzzo, Salvatore; Pompili, Alexis; Pugliese, Gabriella; Radogna, Raffaella; Ranieri, Antonio; Selvaggi, Giovanna; Silvestris, Lucia; Venditti, Rosamaria; Verwilligen, Piet; Abbiendi, Giovanni; Battilana, Carlo; Bonacorsi, Daniele; Braibant-Giacomelli, Sylvie; Brigliadori, Luca; Campanini, Renato; Capiluppi, Paolo; Castro, Andrea; Cavallo, Francesca Romana; Chhibra, Simranjit Singh; Codispoti, Giuseppe; Cuffiani, Marco; Dallavalle, Gaetano-Marco; Fabbri, Fabrizio; Fanfani, Alessandra; Fasanella, Daniele; Giacomelli, Paolo; Grandi, Claudio; Guiducci, Luigi; Marcellini, Stefano; Masetti, Gianni; Montanari, Alessandro; Navarria, Francesco; Perrotta, Andrea; Rossi, Antonio; Rovelli, Tiziano; Siroli, Gian Piero; Tosi, Nicolò; Albergo, Sebastiano; Chiorboli, Massimiliano; Costa, Salvatore; Di Mattia, Alessandro; Giordano, Ferdinando; Potenza, Renato; Tricomi, Alessia; Tuve, Cristina; Barbagli, Giuseppe; Ciulli, Vitaliano; Civinini, Carlo; D'Alessandro, Raffaello; Focardi, Ettore; Gori, Valentina; Lenzi, Piergiulio; Meschini, Marco; Paoletti, Simone; Sguazzoni, Giacomo; Viliani, Lorenzo; Benussi, Luigi; Bianco, Stefano; Fabbri, Franco; Piccolo, Davide; Primavera, Federica; Calvelli, Valerio; Ferro, Fabrizio; Lo Vetere, Maurizio; Monge, Maria Roberta; Robutti, Enrico; Tosi, Silvano; Brianza, Luca; Dinardo, Mauro Emanuele; Fiorendi, Sara; Gennai, Simone; Ghezzi, Alessio; Govoni, Pietro; Malberti, Martina; Malvezzi, Sandra; Manzoni, Riccardo Andrea; Marzocchi, Badder; Menasce, Dario; Moroni, Luigi; Paganoni, Marco; Pedrini, Daniele; Pigazzini, Simone; Ragazzi, Stefano; Tabarelli de Fatis, Tommaso; Buontempo, Salvatore; Cavallo, Nicola; De Nardo, Guglielmo; Di Guida, Salvatore; Esposito, Marco; Fabozzi, Francesco; Iorio, Alberto Orso Maria; Lanza, Giuseppe; Lista, Luca; Meola, Sabino; Paolucci, Pierluigi; Sciacca, Crisostomo; Thyssen, Filip; Azzi, Patrizia; Bacchetta, Nicola; Benato, Lisa; Bisello, Dario; Boletti, Alessio; Carlin, Roberto; Carvalho Antunes De Oliveira, Alexandra; Checchia, Paolo; Dall'Osso, Martino; De Castro Manzano, Pablo; Dorigo, Tommaso; Dosselli, Umberto; Gasparini, Fabrizio; Gasparini, Ugo; Gozzelino, Andrea; Lacaprara, Stefano; Margoni, Martino; Meneguzzo, Anna Teresa; Pazzini, Jacopo; Pozzobon, Nicola; Ronchese, Paolo; Simonetto, Franco; Torassa, Ezio; Zanetti, Marco; Zotto, Pierluigi; Zucchetta, Alberto; Zumerle, Gianni; Braghieri, Alessandro; Magnani, Alice; Montagna, Paolo; Ratti, Sergio P; Re, Valerio; Riccardi, Cristina; Salvini, Paola; Vai, Ilaria; Vitulo, Paolo; Alunni Solestizi, Luisa; Bilei, Gian Mario; Ciangottini, Diego; Fanò, Livio; Lariccia, Paolo; Leonardi, Roberto; Mantovani, Giancarlo; Menichelli, Mauro; Saha, Anirban; Santocchia, Attilio; Androsov, Konstantin; Azzurri, Paolo; Bagliesi, Giuseppe; Bernardini, Jacopo; Boccali, Tommaso; Castaldi, Rino; Ciocci, Maria Agnese; Dell'Orso, Roberto; Donato, Silvio; Fedi, Giacomo; Giassi, Alessandro; Grippo, Maria Teresa; Ligabue, Franco; Lomtadze, Teimuraz; Martini, Luca; Messineo, Alberto; Palla, Fabrizio; Rizzi, Andrea; Savoy-Navarro, Aurore; Spagnolo, Paolo; Tenchini, Roberto; Tonelli, Guido; Venturi, Andrea; Verdini, Piero Giorgio; Barone, Luciano; Cavallari, Francesca; Cipriani, Marco; D'imperio, Giulia; Del Re, Daniele; Diemoz, Marcella; Gelli, Simone; Longo, Egidio; Margaroli, Fabrizio; Meridiani, Paolo; Organtini, Giovanni; Paramatti, Riccardo; Preiato, Federico; Rahatlou, Shahram; Rovelli, Chiara; Santanastasio, Francesco; Amapane, Nicola; Arcidiacono, Roberta; Argiro, Stefano; Arneodo, Michele; Bartosik, Nazar; Bellan, Riccardo; Biino, Cristina; Cartiglia, Nicolo; Cenna, Francesca; Costa, Marco; Covarelli, Roberto; Degano, Alessandro; Demaria, Natale; Finco, Linda; Kiani, Bilal; Mariotti, Chiara; Maselli, Silvia; Migliore, Ernesto; Monaco, Vincenzo; Monteil, Ennio; Obertino, Maria Margherita; Pacher, Luca; Pastrone, Nadia; Pelliccioni, Mario; Pinna Angioni, Gian Luca; Ravera, Fabio; Romero, Alessandra; Ruspa, Marta; Sacchi, Roberto; Shchelina, Ksenia; Sola, Valentina; Solano, Ada; Staiano, Amedeo; Traczyk, Piotr; Belforte, Stefano; Casarsa, Massimo; Cossutti, Fabio; Della Ricca, Giuseppe; La Licata, Chiara; Schizzi, Andrea; Zanetti, Anna; Kim, Dong Hee; Kim, Gui Nyun; Kim, Min Suk; Lee, Sangeun; Lee, Seh Wook; Oh, Young Do; Sekmen, Sezen; Son, Dong-Chul; Yang, Yu Chul; Lee, Ari; Kim, Hyunchul; Brochero Cifuentes, Javier Andres; Kim, Tae Jeong; Cho, Sungwoong; Choi, Suyong; Go, Yeonju; Gyun, Dooyeon; Ha, Seungkyu; Hong, Byung-Sik; Jo, Youngkwon; Kim, Yongsun; Lee, Byounghoon; Lee, Kisoo; Lee, Kyong Sei; Lee, Songkyo; Lim, Jaehoon; Park, Sung Keun; Roh, Youn; Almond, John; Kim, Junho; Lee, Haneol; Oh, Sung Bin; Radburn-Smith, Benjamin Charles; Seo, Seon-hee; Yang, Unki; Yoo, Hwi Dong; Yu, Geum Bong; Choi, Minkyoo; Kim, Hyunyong; Kim, Ji Hyun; Lee, Jason Sang Hun; Park, Inkyu; Ryu, Geonmo; Ryu, Min Sang; Choi, Young-Il; Goh, Junghwan; Hwang, Chanwook; Lee, Jongseok; Yu, Intae; Dudenas, Vytautas; Juodagalvis, Andrius; Vaitkus, Juozas; Ahmed, Ijaz; Ibrahim, Zainol Abidin; Komaragiri, Jyothsna Rani; Md Ali, Mohd Adli Bin; Mohamad Idris, Faridah; Wan Abdullah, Wan Ahmad Tajuddin; Yusli, Mohd Nizam; Zolkapli, Zukhaimira; Castilla-Valdez, Heriberto; De La Cruz-Burelo, Eduard; Heredia-De La Cruz, Ivan; Hernandez-Almada, Alberto; Lopez-Fernandez, Ricardo; Magaña Villalba, Ricardo; Mejia Guisao, Jhovanny; Sánchez Hernández, Alberto; Carrillo Moreno, Salvador; Oropeza Barrera, Cristina; Vazquez Valencia, Fabiola; Carpinteyro, Severiano; Pedraza, Isabel; Salazar Ibarguen, Humberto Antonio; Uribe Estrada, Cecilia; Morelos Pineda, Antonio; Krofcheck, David; Butler, Philip H; Ahmad, Ashfaq; Ahmad, Muhammad; Hassan, Qamar; Hoorani, Hafeez R; Khan, Wajid Ali; Shah, Mehar Ali; Shoaib, Muhammad; Waqas, Muhammad; Bialkowska, Helena; Bluj, Michal; Boimska, Bożena; Frueboes, Tomasz; Górski, Maciej; Kazana, Malgorzata; Nawrocki, Krzysztof; Romanowska-Rybinska, Katarzyna; Szleper, Michal; Zalewski, Piotr; Bunkowski, Karol; Byszuk, Adrian; Doroba, Krzysztof; Kalinowski, Artur; Konecki, Marcin; Krolikowski, Jan; Misiura, Maciej; Olszewski, Michal; Walczak, Marek; Bargassa, Pedrame; Beirão Da Cruz E Silva, Cristóvão; Di Francesco, Agostino; Faccioli, Pietro; Ferreira Parracho, Pedro Guilherme; Gallinaro, Michele; Hollar, Jonathan; Leonardo, Nuno; Lloret Iglesias, Lara; Nemallapudi, Mythra Varun; Rodrigues Antunes, Joao; Seixas, Joao; Toldaiev, Oleksii; Vadruccio, Daniele; Varela, Joao; Vischia, Pietro; Afanasiev, Serguei; Bunin, Pavel; Gavrilenko, Mikhail; Golutvin, Igor; Gorbunov, Ilya; Kamenev, Alexey; Karjavin, Vladimir; Lanev, Alexander; Malakhov, Alexander; Matveev, Viktor; Moisenz, Petr; Palichik, Vladimir; Perelygin, Victor; Shmatov, Sergey; Shulha, Siarhei; Skatchkov, Nikolai; Smirnov, Vitaly; Voytishin, Nikolay; Zarubin, Anatoli; Chtchipounov, Leonid; Golovtsov, Victor; Ivanov, Yury; Kim, Victor; Kuznetsova, Ekaterina; Murzin, Victor; Oreshkin, Vadim; Sulimov, Valentin; Vorobyev, Alexey; Andreev, Yuri; Dermenev, Alexander; Gninenko, Sergei; Golubev, Nikolai; Karneyeu, Anton; Kirsanov, Mikhail; Krasnikov, Nikolai; Pashenkov, Anatoli; Tlisov, Danila; Toropin, Alexander; Epshteyn, Vladimir; Gavrilov, Vladimir; Lychkovskaya, Natalia; Popov, Vladimir; Pozdnyakov, Ivan; Safronov, Grigory; Spiridonov, Alexander; Toms, Maria; Vlasov, Evgueni; Zhokin, Alexander; Bylinkin, Alexander; Chadeeva, Marina; Chistov, Ruslan; Rusinov, Vladimir; Andreev, Vladimir; Azarkin, Maksim; Dremin, Igor; Kirakosyan, Martin; Leonidov, Andrey; Rusakov, Sergey V; Terkulov, Adel; Baskakov, Alexey; Belyaev, Andrey; Boos, Edouard; Dubinin, Mikhail; Dudko, Lev; Ershov, Alexander; Gribushin, Andrey; Klyukhin, Vyacheslav; Kodolova, Olga; Lokhtin, Igor; Miagkov, Igor; Obraztsov, Stepan; Petrushanko, Sergey; Savrin, Viktor; Snigirev, Alexander; Blinov, Vladimir; Skovpen, Yuri; Azhgirey, Igor; Bayshev, Igor; Bitioukov, Sergei; Elumakhov, Dmitry; Kachanov, Vassili; Kalinin, Alexey; Konstantinov, Dmitri; Krychkine, Victor; Petrov, Vladimir; Ryutin, Roman; Sobol, Andrei; Troshin, Sergey; Tyurin, Nikolay; Uzunian, Andrey; Volkov, Alexey; Adzic, Petar; Cirkovic, Predrag; Devetak, Damir; Dordevic, Milos; Milosevic, Jovan; Rekovic, Vladimir; Alcaraz Maestre, Juan; Barrio Luna, Mar; Calvo, Enrique; Cerrada, Marcos; Chamizo Llatas, Maria; Colino, Nicanor; De La Cruz, Begona; Delgado Peris, Antonio; Escalante Del Valle, Alberto; Fernandez Bedoya, Cristina; Fernández Ramos, Juan Pablo; Flix, Jose; Fouz, Maria Cruz; Garcia-Abia, Pablo; Gonzalez Lopez, Oscar; Goy Lopez, Silvia; Hernandez, Jose M; Josa, Maria Isabel; Navarro De Martino, Eduardo; Pérez-Calero Yzquierdo, Antonio María; Puerta Pelayo, Jesus; Quintario Olmeda, Adrián; Redondo, Ignacio; Romero, Luciano; Senghi Soares, Mara; de Trocóniz, Jorge F; Missiroli, Marino; Moran, Dermot; Cuevas, Javier; Fernandez Menendez, Javier; Gonzalez Caballero, Isidro; González Fernández, Juan Rodrigo; Palencia Cortezon, Enrique; Sanchez Cruz, Sergio; Suárez Andrés, Ignacio; Vizan Garcia, Jesus Manuel; Cabrillo, Iban Jose; Calderon, Alicia; Castiñeiras De Saa, Juan Ramon; Curras, Esteban; Fernandez, Marcos; Garcia-Ferrero, Juan; Gomez, Gervasio; Lopez Virto, Amparo; Marco, Jesus; Martinez Rivero, Celso; Matorras, Francisco; Piedra Gomez, Jonatan; Rodrigo, Teresa; Ruiz-Jimeno, Alberto; Scodellaro, Luca; Trevisani, Nicolò; Vila, Ivan; Vilar Cortabitarte, Rocio; Abbaneo, Duccio; Auffray, Etiennette; Auzinger, Georg; Bachtis, Michail; Baillon, Paul; Ball, Austin; Barney, David; Bloch, Philippe; Bocci, Andrea; Bonato, Alessio; Botta, Cristina; Camporesi, Tiziano; Castello, Roberto; Cepeda, Maria; Cerminara, Gianluca; D'Alfonso, Mariarosaria; D'Enterria, David; Dabrowski, Anne; Daponte, Vincenzo; David Tinoco Mendes, Andre; De Gruttola, Michele; De Roeck, Albert; Di Marco, Emanuele; Dobson, Marc; Dorney, Brian; Du Pree, Tristan; Duggan, Daniel; Dünser, Marc; Dupont, Niels; Elliott-Peisert, Anna; Fartoukh, Stephane; Franzoni, Giovanni; Fulcher, Jonathan; Funk, Wolfgang; Gigi, Dominique; Gill, Karl; Girone, Maria; Glege, Frank; Gulhan, Doga; Gundacker, Stefan; Guthoff, Moritz; Hammer, Josef; Harris, Philip; Hegeman, Jeroen; Innocente, Vincenzo; Janot, Patrick; Kieseler, Jan; Kirschenmann, Henning; Knünz, Valentin; Kornmayer, Andreas; Kortelainen, Matti J; Kousouris, Konstantinos; Krammer, Manfred; Lange, Clemens; Lecoq, Paul; Lourenco, Carlos; Lucchini, Marco Toliman; Malgeri, Luca; Mannelli, Marcello; Martelli, Arabella; Meijers, Frans; Merlin, Jeremie Alexandre; Mersi, Stefano; Meschi, Emilio; Moortgat, Filip; Morovic, Srecko; Mulders, Martijn; Neugebauer, Hannes; Orfanelli, Styliani; Orsini, Luciano; Pape, Luc; Perez, Emmanuelle; Peruzzi, Marco; Petrilli, Achille; Petrucciani, Giovanni; Pfeiffer, Andreas; Pierini, Maurizio; Racz, Attila; Reis, Thomas; Rolandi, Gigi; Rovere, Marco; Ruan, Manqi; Sakulin, Hannes; Sauvan, Jean-Baptiste; Schäfer, Christoph; Schwick, Christoph; Seidel, Markus; Sharma, Archana; Silva, Pedro; Sphicas, Paraskevas; Steggemann, Jan; Stoye, Markus; Takahashi, Yuta; Tosi, Mia; Treille, Daniel; Triossi, Andrea; Tsirou, Andromachi; Veckalns, Viesturs; Veres, Gabor Istvan; Wardle, Nicholas; Zagoździńska, Agnieszka; Zeuner, Wolfram Dietrich; Bertl, Willi; Deiters, Konrad; Erdmann, Wolfram; Horisberger, Roland; Ingram, Quentin; Kaestli, Hans-Christian; Kotlinski, Danek; Langenegger, Urs; Rohe, Tilman; Bachmair, Felix; Bäni, Lukas; Bianchini, Lorenzo; Casal, Bruno; Dissertori, Günther; Dittmar, Michael; Donegà, Mauro; Grab, Christoph; Heidegger, Constantin; Hits, Dmitry; Hoss, Jan; Kasieczka, Gregor; Lecomte, Pierre; Lustermann, Werner; Mangano, Boris; Marionneau, Matthieu; Martinez Ruiz del Arbol, Pablo; Masciovecchio, Mario; Meinhard, Maren Tabea; Meister, Daniel; Micheli, Francesco; Musella, Pasquale; Nessi-Tedaldi, Francesca; Pandolfi, Francesco; Pata, Joosep; Pauss, Felicitas; Perrin, Gaël; Perrozzi, Luca; Quittnat, Milena; Rossini, Marco; Schönenberger, Myriam; Starodumov, Andrei; Tavolaro, Vittorio Raoul; Theofilatos, Konstantinos; Wallny, Rainer; Aarrestad, Thea Klaeboe; Amsler, Claude; Caminada, Lea; Canelli, Maria Florencia; De Cosa, Annapaola; Galloni, Camilla; Hinzmann, Andreas; Hreus, Tomas; Kilminster, Benjamin; Ngadiuba, Jennifer; Pinna, Deborah; Rauco, Giorgia; Robmann, Peter; Salerno, Daniel; Yang, Yong; Candelise, Vieri; Doan, Thi Hien; Jain, Shilpi; Khurana, Raman; Konyushikhin, Maxim; Kuo, Chia-Ming; Lin, Willis; Lu, Yun-Ju; Pozdnyakov, Andrey; Yu, Shin-Shan; Kumar, Arun; Chang, Paoti; Chang, You-Hao; Chang, Yu-Wei; Chao, Yuan; Chen, Kai-Feng; Chen, Po-Hsun; Dietz, Charles; Fiori, Francesco; Hou, George Wei-Shu; Hsiung, Yee; Liu, Yueh-Feng; Lu, Rong-Shyang; Miñano Moya, Mercedes; Paganis, Efstathios; Psallidas, Andreas; Tsai, Jui-fa; Tzeng, Yeng-Ming; Asavapibhop, Burin; Singh, Gurpreet; Srimanobhas, Norraphat; Suwonjandee, Narumon; Cerci, Salim; Damarseckin, Serdal; Demiroglu, Zuhal Seyma; Dozen, Candan; Dumanoglu, Isa; Girgis, Semiray; Gokbulut, Gul; Guler, Yalcin; Gurpinar, Emine; Hos, Ilknur; Kangal, Evrim Ersin; Kara, Ozgun; Kayis Topaksu, Aysel; Kiminsu, Ugur; Oglakci, Mehmet; Onengut, Gulsen; Ozdemir, Kadri; Sunar Cerci, Deniz; Tali, Bayram; Turkcapar, Semra; Zorbakir, Ibrahim Soner; Zorbilmez, Caglar; Bilin, Bugra; Bilmis, Selcuk; Isildak, Bora; Karapinar, Guler; Yalvac, Metin; Zeyrek, Mehmet; Gülmez, Erhan; Kaya, Mithat; Kaya, Ozlem; Yetkin, Elif Asli; Yetkin, Taylan; Cakir, Altan; Cankocak, Kerem; Sen, Sercan; Grynyov, Boris; Levchuk, Leonid; Sorokin, Pavel; Aggleton, Robin; Ball, Fionn; Beck, Lana; Brooke, James John; Burns, Douglas; Clement, Emyr; Cussans, David; Flacher, Henning; Goldstein, Joel; Grimes, Mark; Heath, Greg P; Heath, Helen F; Jacob, Jeson; Kreczko, Lukasz; Lucas, Chris; Newbold, Dave M; Paramesvaran, Sudarshan; Poll, Anthony; Sakuma, Tai; Seif El Nasr-storey, Sarah; Smith, Dominic; Smith, Vincent J; Belyaev, Alexander; Brew, Christopher; Brown, Robert M; Calligaris, Luigi; Cieri, Davide; Cockerill, David JA; Coughlan, John A; Harder, Kristian; Harper, Sam; Olaiya, Emmanuel; Petyt, David; Shepherd-Themistocleous, Claire; Thea, Alessandro; Tomalin, Ian R; Williams, Thomas; Baber, Mark; Bainbridge, Robert; Buchmuller, Oliver; Bundock, Aaron; Burton, Darren; Casasso, Stefano; Citron, Matthew; Colling, David; Corpe, Louie; Dauncey, Paul; Davies, Gavin; De Wit, Adinda; Della Negra, Michel; Di Maria, Riccardo; Dunne, Patrick; Elwood, Adam; Futyan, David; Haddad, Yacine; Hall, Geoffrey; Iles, Gregory; James, Thomas; Lane, Rebecca; Laner, Christian; Lucas, Robyn; Lyons, Louis; Magnan, Anne-Marie; Malik, Sarah; Mastrolorenzo, Luca; Nash, Jordan; Nikitenko, Alexander; Pela, Joao; Penning, Bjoern; Pesaresi, Mark; Raymond, David Mark; Richards, Alexander; Rose, Andrew; Seez, Christopher; Summers, Sioni; Tapper, Alexander; Uchida, Kirika; Vazquez Acosta, Monica; Virdee, Tejinder; Wright, Jack; Zenz, Seth Conrad; Cole, Joanne; Hobson, Peter R; Khan, Akram; Kyberd, Paul; Leslie, Dawn; Reid, Ivan; Symonds, Philip; Teodorescu, Liliana; Turner, Mark; Borzou, Ahmad; Call, Kenneth; Dittmann, Jay; Hatakeyama, Kenichi; Liu, Hongxuan; Pastika, Nathaniel; Charaf, Otman; Cooper, Seth; Henderson, Conor; Rumerio, Paolo; West, Christopher; Arcaro, Daniel; Avetisyan, Aram; Bose, Tulika; Gastler, Daniel; Rankin, Dylan; Richardson, Clint; Rohlf, James; Sulak, Lawrence; Zou, David; Benelli, Gabriele; Berry, Edmund; Cutts, David; Garabedian, Alex; Hakala, John; Heintz, Ulrich; Hogan, Julie Managan; Jesus, Orduna; Laird, Edward; Landsberg, Greg; Mao, Zaixing; Narain, Meenakshi; Piperov, Stefan; Sagir, Sinan; Spencer, Eric; Syarif, Rizki; Breedon, Richard; Breto, Guillermo; Burns, Dustin; Calderon De La Barca Sanchez, Manuel; Chauhan, Sushil; Chertok, Maxwell; Conway, John; Conway, Rylan; Cox, Peter Timothy; Erbacher, Robin; Flores, Chad; Funk, Garrett; Gardner, Michael; Ko, Winston; Lander, Richard; Mclean, Christine; Mulhearn, Michael; Pellett, Dave; Pilot, Justin; Shalhout, Shalhout; Smith, John; Squires, Michael; Stolp, Dustin; Tripathi, Mani; Wilbur, Scott; Yohay, Rachel; Cousins, Robert; Everaerts, Pieter; Florent, Alice; Hauser, Jay; Ignatenko, Mikhail; Saltzberg, David; Takasugi, Eric; Valuev, Vyacheslav; Weber, Matthias; Burt, Kira; Clare, Robert; Ellison, John Anthony; Gary, J William; Hanson, Gail; Heilman, Jesse; Jandir, Pawandeep; Kennedy, Elizabeth; Lacroix, Florent; Long, Owen Rosser; Olmedo Negrete, Manuel; Paneva, Mirena Ivova; Shrinivas, Amithabh; Si, Weinan; Wei, Hua; Wimpenny, Stephen; Yates, Brent; Branson, James G; Cerati, Giuseppe Benedetto; Cittolin, Sergio; Derdzinski, Mark; Gerosa, Raffaele; Holzner, André; Klein, Daniel; Krutelyov, Vyacheslav; Letts, James; Macneill, Ian; Olivito, Dominick; Padhi, Sanjay; Pieri, Marco; Sani, Matteo; Sharma, Vivek; Simon, Sean; Tadel, Matevz; Vartak, Adish; Wasserbaech, Steven; Welke, Charles; Wood, John; Würthwein, Frank; Yagil, Avraham; Zevi Della Porta, Giovanni; Bhandari, Rohan; Bradmiller-Feld, John; Campagnari, Claudio; Dishaw, Adam; Dutta, Valentina; Flowers, Kristen; Franco Sevilla, Manuel; Geffert, Paul; George, Christopher; Golf, Frank; Gouskos, Loukas; Gran, Jason; Heller, Ryan; Incandela, Joe; Mccoll, Nickolas; Mullin, Sam Daniel; Ovcharova, Ana; Richman, Jeffrey; Stuart, David; Suarez, Indara; Yoo, Jaehyeok; Anderson, Dustin; Apresyan, Artur; Bendavid, Joshua; Bornheim, Adolf; Bunn, Julian; Chen, Yi; Duarte, Javier; Lawhorn, Jay Mathew; Mott, Alexander; Newman, Harvey B; Pena, Cristian; Spiropulu, Maria; Vlimant, Jean-Roch; Xie, Si; Zhu, Ren-Yuan; Andrews, Michael Benjamin; Azzolini, Virginia; Ferguson, Thomas; Paulini, Manfred; Russ, James; Sun, Menglei; Vogel, Helmut; Vorobiev, Igor; Cumalat, John Perry; Ford, William T; Jensen, Frank; Johnson, Andrew; Krohn, Michael; Mulholland, Troy; Stenson, Kevin; Wagner, Stephen Robert; Alexander, James; Chaves, Jorge; Chu, Jennifer; Dittmer, Susan; Mcdermott, Kevin; Mirman, Nathan; Nicolas Kaufman, Gala; Patterson, Juliet Ritchie; Rinkevicius, Aurelijus; Ryd, Anders; Skinnari, Louise; Soffi, Livia; Tan, Shao Min; Tao, Zhengcheng; Thom, Julia; Tucker, Jordan; Wittich, Peter; Zientek, Margaret; Winn, Dave; Abdullin, Salavat; Albrow, Michael; Apollinari, Giorgio; Banerjee, Sunanda; Bauerdick, Lothar AT; Beretvas, Andrew; Berryhill, Jeffrey; Bhat, Pushpalatha C; Bolla, Gino; Burkett, Kevin; Butler, Joel Nathan; Cheung, Harry; Chlebana, Frank; 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Godshalk, Andrew; Harrington, Charles; Iashvili, Ia; Kaisen, Josh; Kharchilava, Avto; Kumar, Ashish; Parker, Ashley; Rappoccio, Salvatore; Roozbahani, Bahareh; Alverson, George; Barberis, Emanuela; Baumgartel, Darin; Hortiangtham, Apichart; Massironi, Andrea; Morse, David Michael; Nash, David; Orimoto, Toyoko; Teixeira De Lima, Rafael; Trocino, Daniele; Wang, Ren-Jie; Wood, Darien; Bhattacharya, Saptaparna; Hahn, Kristan Allan; Kubik, Andrew; Kumar, Ajay; Low, Jia Fu; Mucia, Nicholas; Odell, Nathaniel; Pollack, Brian; Schmitt, Michael Henry; Sung, Kevin; Trovato, Marco; Velasco, Mayda; Dev, Nabarun; Hildreth, Michael; Hurtado Anampa, Kenyi; Jessop, Colin; Karmgard, Daniel John; Kellams, Nathan; Lannon, Kevin; Marinelli, Nancy; Meng, Fanbo; Mueller, Charles; Musienko, Yuri; Planer, Michael; Reinsvold, Allison; Ruchti, Randy; Smith, Geoffrey; Taroni, Silvia; Wayne, Mitchell; Wolf, Matthias; Woodard, Anna; Alimena, Juliette; Antonelli, Louis; Brinson, Jessica; Bylsma, Ben; Durkin, Lloyd Stanley; 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Loveless, Richard; Ojalvo, Isabel; Perry, Thomas; Polese, Giovanni; Ruggles, Tyler; Savin, Alexander; Smith, Nicholas; Smith, Wesley H; Taylor, Devin; Woods, Nathaniel

    2017-01-01

    Measurements of two- and multi-particle angular correlations in pp collisions at $\\sqrt{s} = $ 5, 7, and 13 TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0 pb$^{-1}$ (5 TeV), 6.2 pb$^{-1}$ (7 TeV), and 0.7 pb$^{-1}$ (13 TeV), were collected using the CMS detector at the LHC. The second-order ($v_2$) and third-order ($v_3$) azimuthal anisotropy harmonics of unidentified charged particles, as well as $v_2$ of $\\mathrm{ K_S }^0$ and $\\Lambda/\\overline{\\Lambda}$ particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the $v_2$ values of charged hadrons (mostly pions), $\\mathrm{ K_S }^0$, and $\\Lambda/\\overline{\\Lambda}$, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below $p_{\\mathrm{T}} \\approx 2$ GeV/$c$. For 13 TeV data, the $v_2$ signals are also extracted from fou...

  16. Evidence for collectivity in pp collisions at the LHC

    CERN Document Server

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Python, Quentin; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Parijs, Isis; Brun, Hugues; Caillol, Cécile; Clerbaux, Barbara; De Lentdecker, Gilles; Delannoy, Hugo; Fasanella, Giuseppe; Favart, Laurent; Goldouzian, Reza; Grebenyuk, Anastasia; Karapostoli, Georgia; Lenzi, Thomas; Léonard, Alexandre; Luetic, Jelena; Maerschalk, Thierry; Marinov, Andrey; Randle-conde, Aidan; Seva, Tomislav; Vander Velde, Catherine; Vanlaer, Pascal; Yonamine, Ryo; Zenoni, Florian; Zhang, Fengwangdong; Cimmino, Anna; Cornelis, Tom; Dobur, Didar; Fagot, Alexis; Garcia, Guillaume; Gul, Muhammad; Poyraz, Deniz; Salva Diblen, Sinem; Schöfbeck, Robert; Sharma, Archana; Tytgat, Michael; Van Driessche, Ward; Yazgan, Efe; Zaganidis, Nicolas; Bakhshiansohi, Hamed; Beluffi, Camille; Bondu, Olivier; Brochet, Sébastien; Bruno, Giacomo; Caudron, Adrien; De Visscher, Simon; Delaere, Christophe; Delcourt, Martin; Francois, Brieuc; Giammanco, Andrea; Jafari, Abideh; Jez, Pavel; Komm, Matthias; Lemaitre, Vincent; 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Micanovic, Sasa; Sudic, Lucija; Susa, Tatjana; Attikis, Alexandros; Mavromanolakis, Georgios; Mousa, Jehad; Nicolaou, Charalambos; Ptochos, Fotios; Razis, Panos A; Rykaczewski, Hans; Finger, Miroslav; Finger Jr, Michael; Carrera Jarrin, Edgar; Abdelalim, Ahmed Ali; El-khateeb, Esraa; Salama, Elsayed; Calpas, Betty; Kadastik, Mario; Murumaa, Marion; Perrini, Lucia; Raidal, Martti; Tiko, Andres; Veelken, Christian; Eerola, Paula; Pekkanen, Juska; Voutilainen, Mikko; Härkönen, Jaakko; Karimäki, Veikko; Kinnunen, Ritva; Lampén, Tapio; Lassila-Perini, Kati; Lehti, Sami; Lindén, Tomas; Luukka, Panja-Riina; Tuominiemi, Jorma; Tuovinen, Esa; Wendland, Lauri; Talvitie, Joonas; Tuuva, Tuure; Besancon, Marc; Couderc, Fabrice; Dejardin, Marc; Denegri, Daniel; Fabbro, Bernard; Faure, Jean-Louis; Favaro, Carlotta; Ferri, Federico; Ganjour, Serguei; Ghosh, Saranya; Givernaud, Alain; Gras, Philippe; Hamel de Monchenault, Gautier; Jarry, Patrick; Kucher, Inna; Locci, Elizabeth; Machet, Martina; Malcles, Julie; Rander, John; Rosowsky, André; Titov, Maksym; Zghiche, Amina; Abdulsalam, Abdulla; Antropov, Iurii; Baffioni, Stephanie; Beaudette, Florian; Busson, Philippe; Cadamuro, Luca; Chapon, Emilien; Charlot, Claude; Davignon, Olivier; Granier de Cassagnac, Raphael; Jo, Mihee; Lisniak, Stanislav; Miné, Philippe; Nguyen, Matthew; Ochando, Christophe; Ortona, Giacomo; Paganini, Pascal; Pigard, Philipp; Regnard, Simon; Salerno, Roberto; Sirois, Yves; Strebler, Thomas; Yilmaz, Yetkin; Zabi, Alexandre; Agram, Jean-Laurent; Andrea, Jeremy; Aubin, Alexandre; Bloch, Daniel; Brom, Jean-Marie; Buttignol, Michael; Chabert, Eric Christian; Chanon, Nicolas; Collard, Caroline; Conte, Eric; Coubez, Xavier; Fontaine, Jean-Charles; Gelé, Denis; Goerlach, Ulrich; Le Bihan, Anne-Catherine; Skovpen, Kirill; Van Hove, Pierre; Gadrat, Sébastien; Beauceron, Stephanie; Bernet, Colin; Boudoul, Gaelle; Bouvier, Elvire; Carrillo Montoya, Camilo Andres; Chierici, Roberto; Contardo, Didier; Courbon, Benoit; Depasse, Pierre; El Mamouni, Houmani; Fan, Jiawei; Fay, Jean; Gascon, Susan; Gouzevitch, Maxime; Grenier, Gérald; Ille, Bernard; Lagarde, Francois; Laktineh, Imad Baptiste; Lethuillier, Morgan; Mirabito, Laurent; Pequegnot, Anne-Laure; Perries, Stephane; Popov, Andrey; Sabes, David; Sordini, Viola; Vander Donckt, Muriel; Verdier, Patrice; Viret, Sébastien; Toriashvili, Tengizi; Tsamalaidze, Zviad; Autermann, Christian; Beranek, Sarah; Feld, Lutz; Heister, Arno; Kiesel, Maximilian Knut; Klein, Katja; Lipinski, Martin; Ostapchuk, Andrey; Preuten, Marius; Raupach, Frank; Schael, Stefan; Schomakers, Christian; Schulte, Jan-Frederik; Schulz, Johannes; Verlage, Tobias; Weber, Hendrik; Zhukov, Valery; Albert, Andreas; Brodski, Michael; Dietz-Laursonn, Erik; Duchardt, Deborah; Endres, Matthias; Erdmann, Martin; Erdweg, Sören; Esch, Thomas; Fischer, Robert; Güth, Andreas; Hamer, Matthias; Hebbeker, Thomas; Heidemann, Carsten; Hoepfner, Kerstin; Knutzen, Simon; Merschmeyer, Markus; Meyer, Arnd; Millet, Philipp; Mukherjee, Swagata; Olschewski, Mark; Padeken, Klaas; Pook, Tobias; Radziej, Markus; Reithler, Hans; Rieger, Marcel; Scheuch, Florian; Sonnenschein, Lars; Teyssier, Daniel; Thüer, Sebastian; Cherepanov, Vladimir; Flügge, Günter; Haj Ahmad, Wael; Hoehle, Felix; Kargoll, Bastian; Kress, Thomas; Künsken, Andreas; Lingemann, Joschka; Müller, Thomas; Nehrkorn, Alexander; Nowack, Andreas; Nugent, Ian Michael; Pistone, Claudia; Pooth, Oliver; Stahl, Achim; Aldaya Martin, Maria; Asawatangtrakuldee, Chayanit; Beernaert, Kelly; Behnke, Olaf; Behrens, Ulf; Bin Anuar, Afiq Aizuddin; Borras, Kerstin; Campbell, Alan; Connor, Patrick; Contreras-Campana, Christian; Costanza, Francesco; Diez Pardos, Carmen; Dolinska, Ganna; Eckerlin, Guenter; Eckstein, Doris; Eren, Engin; Gallo, Elisabetta; Garay Garcia, Jasone; Geiser, Achim; Gizhko, Andrii; Grados Luyando, Juan Manuel; Gunnellini, Paolo; Harb, Ali; Hauk, Johannes; Hempel, Maria; Jung, Hannes; Kalogeropoulos, Alexis; Karacheban, Olena; Kasemann, Matthias; Keaveney, James; Kleinwort, Claus; Korol, Ievgen; Krücker, Dirk; Lange, Wolfgang; Lelek, Aleksandra; Leonard, Jessica; Lipka, Katerina; Lobanov, Artur; Lohmann, Wolfgang; Mankel, Rainer; Melzer-Pellmann, Isabell-Alissandra; Meyer, Andreas Bernhard; Mittag, Gregor; Mnich, Joachim; Mussgiller, Andreas; Ntomari, Eleni; Pitzl, Daniel; Raspereza, Alexei; Roland, Benoit; Sahin, Mehmet Özgür; Saxena, Pooja; Schoerner-Sadenius, Thomas; Seitz, Claudia; Spannagel, Simon; Stefaniuk, Nazar; Van Onsem, Gerrit Patrick; Walsh, Roberval; Wissing, Christoph; Blobel, Volker; Centis Vignali, Matteo; Draeger, Arne-Rasmus; Dreyer, Torben; Garutti, Erika; Gonzalez, Daniel; Haller, Johannes; Hoffmann, Malte; Junkes, Alexandra; Klanner, Robert; Kogler, Roman; Kovalchuk, Nataliia; Lapsien, Tobias; Lenz, Teresa; Marchesini, Ivan; Marconi, Daniele; Meyer, Mareike; Niedziela, Marek; Nowatschin, Dominik; Pantaleo, Felice; Peiffer, Thomas; Perieanu, Adrian; Poehlsen, Jennifer; Sander, Christian; Scharf, Christian; Schleper, Peter; Schmidt, Alexander; Schumann, Svenja; Schwandt, Joern; Stadie, Hartmut; Steinbrück, Georg; Stober, Fred-Markus Helmut; Stöver, Marc; Tholen, Heiner; Troendle, Daniel; Usai, Emanuele; Vanelderen, Lukas; Vanhoefer, Annika; Vormwald, Benedikt; Barth, Christian; Baus, Colin; Berger, Joram; Butz, Erik; Chwalek, Thorsten; Colombo, Fabio; De Boer, Wim; Dierlamm, Alexander; Fink, Simon; Friese, Raphael; Giffels, Manuel; Gilbert, Andrew; Goldenzweig, Pablo; Haitz, Dominik; Hartmann, Frank; Heindl, Stefan Michael; Husemann, Ulrich; Katkov, Igor; Lobelle Pardo, Patricia; Maier, Benedikt; Mildner, Hannes; Mozer, Matthias Ulrich; Müller, Thomas; Plagge, Michael; Quast, Gunter; Rabbertz, Klaus; Röcker, Steffen; Roscher, Frank; Schröder, Matthias; Shvetsov, Ivan; Sieber, Georg; Simonis, Hans-Jürgen; Ulrich, Ralf; Wagner-Kuhr, Jeannine; Wayand, Stefan; Weber, Marc; Weiler, Thomas; Williamson, Shawn; Wöhrmann, Clemens; Wolf, Roger; Anagnostou, Georgios; Daskalakis, Georgios; Geralis, Theodoros; Giakoumopoulou, Viktoria Athina; Kyriakis, Aristotelis; Loukas, Demetrios; Topsis-Giotis, Iasonas; Kesisoglou, Stilianos; Panagiotou, Apostolos; Saoulidou, Niki; Tziaferi, Eirini; Evangelou, Ioannis; Flouris, Giannis; Foudas, Costas; Kokkas, Panagiotis; Loukas, Nikitas; Manthos, Nikolaos; Papadopoulos, Ioannis; Paradas, Evangelos; Filipovic, Nicolas; Bencze, Gyorgy; Hajdu, Csaba; Hidas, Pàl; Horvath, Dezso; Sikler, Ferenc; Veszpremi, Viktor; Vesztergombi, Gyorgy; Zsigmond, Anna Julia; Beni, Noemi; Czellar, Sandor; Karancsi, János; Makovec, Alajos; Molnar, Jozsef; Szillasi, Zoltan; Bartók, Márton; Raics, Peter; Trocsanyi, Zoltan Laszlo; Ujvari, Balazs; Bahinipati, Seema; Choudhury, Somnath; Mal, Prolay; Mandal, Koushik; Nayak, Aruna; Sahoo, Deepak Kumar; Sahoo, Niladribihari; Swain, Sanjay Kumar; Bansal, Sunil; Beri, Suman Bala; Bhatnagar, Vipin; Chawla, Ridhi; Bhawandeep, Bhawandeep; Kalsi, Amandeep Kaur; Kaur, Anterpreet; Kaur, Manjit; Kumar, Ramandeep; Mehta, Ankita; Mittal, Monika; Singh, Jasbir; Walia, Genius; Kumar, Ashok; Bhardwaj, Ashutosh; Choudhary, Brajesh C; Garg, Rocky Bala; Keshri, Sumit; Malhotra, Shivali; Naimuddin, Md; Nishu, Nishu; Ranjan, Kirti; Sharma, Ramkrishna; Sharma, Varun; Bhattacharya, Rajarshi; Bhattacharya, Satyaki; Chatterjee, Kalyanmoy; Dey, Sourav; Dutt, Suneel; Dutta, Suchandra; Ghosh, Shamik; Majumdar, Nayana; Modak, Atanu; Mondal, Kuntal; Mukhopadhyay, Supratik; Nandan, Saswati; Purohit, Arnab; Roy, Ashim; Roy, Debarati; Roy Chowdhury, Suvankar; Sarkar, Subir; Sharan, Manoj; Thakur, Shalini; Behera, Prafulla Kumar; Chudasama, Ruchi; Dutta, Dipanwita; Jha, Vishwajeet; Kumar, Vineet; Mohanty, Ajit Kumar; Netrakanti, Pawan Kumar; Pant, Lalit Mohan; Shukla, Prashant; Topkar, Anita; Aziz, Tariq; Dugad, Shashikant; Kole, Gouranga; Mahakud, Bibhuprasad; Mitra, Soureek; Mohanty, Gagan Bihari; Parida, Bibhuti; Sur, Nairit; Sutar, Bajrang; Banerjee, Sudeshna; Bhowmik, Sandeep; Dewanjee, Ram Krishna; Ganguly, Sanmay; Guchait, Monoranjan; Jain, Sandhya; Kumar, Sanjeev; Maity, Manas; Majumder, Gobinda; Mazumdar, Kajari; Sarkar, Tanmay; Wickramage, Nadeesha; Chauhan, Shubhanshu; Dube, Sourabh; Hegde, Vinay; Kapoor, Anshul; Kothekar, Kunal; Rane, Aditee; Sharma, Seema; Behnamian, Hadi; Chenarani, Shirin; Eskandari Tadavani, Esmaeel; Etesami, Seyed Mohsen; Fahim, Ali; Khakzad, Mohsen; Mohammadi Najafabadi, Mojtaba; Naseri, Mohsen; Paktinat Mehdiabadi, Saeid; Rezaei Hosseinabadi, Ferdos; Safarzadeh, Batool; Zeinali, Maryam; Felcini, Marta; Grunewald, Martin; Abbrescia, Marcello; Calabria, Cesare; Caputo, Claudio; Colaleo, Anna; Creanza, Donato; Cristella, Leonardo; De Filippis, Nicola; De Palma, Mauro; Fiore, Luigi; Iaselli, Giuseppe; Maggi, Giorgio; Maggi, Marcello; Miniello, Giorgia; My, Salvatore; Nuzzo, Salvatore; Pompili, Alexis; Pugliese, Gabriella; Radogna, Raffaella; Ranieri, Antonio; Selvaggi, Giovanna; Silvestris, Lucia; Venditti, Rosamaria; Verwilligen, Piet; Abbiendi, Giovanni; Battilana, Carlo; Bonacorsi, Daniele; Braibant-Giacomelli, Sylvie; Brigliadori, Luca; Campanini, Renato; Capiluppi, Paolo; Castro, Andrea; Cavallo, Francesca Romana; Chhibra, Simranjit Singh; Codispoti, Giuseppe; Cuffiani, Marco; Dallavalle, Gaetano-Marco; Fabbri, Fabrizio; Fanfani, Alessandra; Fasanella, Daniele; Giacomelli, Paolo; Grandi, Claudio; Guiducci, Luigi; Marcellini, Stefano; Masetti, Gianni; Montanari, Alessandro; Navarria, Francesco; Perrotta, Andrea; Rossi, Antonio; Rovelli, Tiziano; Siroli, Gian Piero; Tosi, Nicolò; Albergo, Sebastiano; Chiorboli, Massimiliano; Costa, Salvatore; Di Mattia, Alessandro; Giordano, Ferdinando; Potenza, Renato; Tricomi, Alessia; Tuve, Cristina; Barbagli, Giuseppe; Ciulli, Vitaliano; Civinini, Carlo; D'Alessandro, Raffaello; Focardi, Ettore; Gori, Valentina; Lenzi, Piergiulio; Meschini, Marco; Paoletti, Simone; Sguazzoni, Giacomo; Viliani, Lorenzo; Benussi, Luigi; Bianco, Stefano; Fabbri, Franco; Piccolo, Davide; Primavera, Federica; Calvelli, Valerio; Ferro, Fabrizio; Lo Vetere, Maurizio; Monge, Maria Roberta; Robutti, Enrico; Tosi, Silvano; Brianza, Luca; Dinardo, Mauro Emanuele; Fiorendi, Sara; Gennai, Simone; Ghezzi, Alessio; Govoni, Pietro; Malberti, Martina; Malvezzi, Sandra; Manzoni, Riccardo Andrea; Marzocchi, Badder; Menasce, Dario; Moroni, Luigi; Paganoni, Marco; Pedrini, Daniele; Pigazzini, Simone; Ragazzi, Stefano; Tabarelli de Fatis, Tommaso; Buontempo, Salvatore; Cavallo, Nicola; De Nardo, Guglielmo; Di Guida, Salvatore; Esposito, Marco; Fabozzi, Francesco; Iorio, Alberto Orso Maria; Lanza, Giuseppe; Lista, Luca; Meola, Sabino; Paolucci, Pierluigi; Sciacca, Crisostomo; Thyssen, Filip; Azzi, Patrizia; Bacchetta, Nicola; Benato, Lisa; Bisello, Dario; Boletti, Alessio; Carlin, Roberto; Carvalho Antunes De Oliveira, Alexandra; Checchia, Paolo; Dall'Osso, Martino; De Castro Manzano, Pablo; Dorigo, Tommaso; Dosselli, Umberto; Gasparini, Fabrizio; Gasparini, Ugo; Gozzelino, Andrea; Lacaprara, Stefano; Margoni, Martino; Meneguzzo, Anna Teresa; Pazzini, Jacopo; Pozzobon, Nicola; Ronchese, Paolo; Simonetto, Franco; Torassa, Ezio; Zanetti, Marco; Zotto, Pierluigi; Zucchetta, Alberto; Zumerle, Gianni; Braghieri, Alessandro; Magnani, Alice; Montagna, Paolo; Ratti, Sergio P; Re, Valerio; Riccardi, Cristina; Salvini, Paola; Vai, Ilaria; Vitulo, Paolo; Alunni Solestizi, Luisa; Bilei, Gian Mario; Ciangottini, Diego; Fanò, Livio; Lariccia, Paolo; Leonardi, Roberto; Mantovani, Giancarlo; Menichelli, Mauro; Saha, Anirban; Santocchia, Attilio; Androsov, Konstantin; Azzurri, Paolo; Bagliesi, Giuseppe; Bernardini, Jacopo; Boccali, Tommaso; Castaldi, Rino; Ciocci, Maria Agnese; Dell'Orso, Roberto; Donato, Silvio; Fedi, Giacomo; Giassi, Alessandro; Grippo, Maria Teresa; Ligabue, Franco; Lomtadze, Teimuraz; Martini, Luca; Messineo, Alberto; Palla, Fabrizio; Rizzi, Andrea; Savoy-Navarro, Aurore; Spagnolo, Paolo; Tenchini, Roberto; Tonelli, Guido; Venturi, Andrea; Verdini, Piero Giorgio; Barone, Luciano; Cavallari, Francesca; Cipriani, Marco; D'imperio, Giulia; Del Re, Daniele; Diemoz, Marcella; Gelli, Simone; Longo, Egidio; Margaroli, Fabrizio; Meridiani, Paolo; Organtini, Giovanni; Paramatti, Riccardo; Preiato, Federico; Rahatlou, Shahram; Rovelli, Chiara; Santanastasio, Francesco; Amapane, Nicola; Arcidiacono, Roberta; Argiro, Stefano; Arneodo, Michele; Bartosik, Nazar; Bellan, Riccardo; Biino, Cristina; Cartiglia, Nicolo; Cenna, Francesca; Costa, Marco; Covarelli, Roberto; Degano, Alessandro; Demaria, Natale; Finco, Linda; Kiani, Bilal; Mariotti, Chiara; Maselli, Silvia; Migliore, Ernesto; Monaco, Vincenzo; Monteil, Ennio; Obertino, Maria Margherita; Pacher, Luca; Pastrone, Nadia; Pelliccioni, Mario; Pinna Angioni, Gian Luca; Ravera, Fabio; Romero, Alessandra; Ruspa, Marta; Sacchi, Roberto; Shchelina, Ksenia; Sola, Valentina; Solano, Ada; Staiano, Amedeo; Traczyk, Piotr; Belforte, Stefano; Casarsa, Massimo; Cossutti, Fabio; Della Ricca, Giuseppe; La Licata, Chiara; Schizzi, Andrea; Zanetti, Anna; Kim, Dong Hee; Kim, Gui Nyun; Kim, Min Suk; Lee, Sangeun; Lee, Seh Wook; Oh, Young Do; Sekmen, Sezen; Son, Dong-Chul; Yang, Yu Chul; Lee, Ari; Kim, Hyunchul; Brochero Cifuentes, Javier Andres; Kim, Tae Jeong; Cho, Sungwoong; Choi, Suyong; Go, Yeonju; Gyun, Dooyeon; Ha, Seungkyu; Hong, Byung-Sik; Jo, Youngkwon; Kim, Yongsun; Lee, Byounghoon; Lee, Kisoo; Lee, Kyong Sei; Lee, Songkyo; Lim, Jaehoon; Park, Sung Keun; Roh, Youn; Almond, John; Kim, Junho; Lee, Haneol; Oh, Sung Bin; Radburn-Smith, Benjamin Charles; Seo, Seon-hee; Yang, Unki; Yoo, Hwi Dong; Yu, Geum Bong; Choi, Minkyoo; Kim, Hyunyong; Kim, Ji Hyun; Lee, Jason Sang Hun; Park, Inkyu; Ryu, Geonmo; Ryu, Min Sang; Choi, Young-Il; Goh, Junghwan; Hwang, Chanwook; Lee, Jongseok; Yu, Intae; Dudenas, Vytautas; Juodagalvis, Andrius; Vaitkus, Juozas; Ahmed, Ijaz; Ibrahim, Zainol Abidin; Komaragiri, Jyothsna Rani; Md Ali, Mohd Adli Bin; Mohamad Idris, Faridah; Wan Abdullah, Wan Ahmad Tajuddin; Yusli, Mohd Nizam; Zolkapli, Zukhaimira; Castilla-Valdez, Heriberto; De La Cruz-Burelo, Eduard; Heredia-De La Cruz, Ivan; Hernandez-Almada, Alberto; Lopez-Fernandez, Ricardo; Magaña Villalba, Ricardo; Mejia Guisao, Jhovanny; Sánchez Hernández, Alberto; Carrillo Moreno, Salvador; Oropeza Barrera, Cristina; Vazquez Valencia, Fabiola; Carpinteyro, Severiano; Pedraza, Isabel; Salazar Ibarguen, Humberto Antonio; Uribe Estrada, Cecilia; Morelos Pineda, Antonio; Krofcheck, David; Butler, Philip H; Ahmad, Ashfaq; Ahmad, Muhammad; Hassan, Qamar; Hoorani, Hafeez R; Khan, Wajid Ali; Shah, Mehar Ali; Shoaib, Muhammad; Waqas, Muhammad; Bialkowska, Helena; Bluj, Michal; Boimska, Bożena; Frueboes, Tomasz; Górski, Maciej; Kazana, Malgorzata; Nawrocki, Krzysztof; Romanowska-Rybinska, Katarzyna; Szleper, Michal; Zalewski, Piotr; Bunkowski, Karol; Byszuk, Adrian; Doroba, Krzysztof; Kalinowski, Artur; Konecki, Marcin; Krolikowski, Jan; Misiura, Maciej; Olszewski, Michal; Walczak, Marek; Bargassa, Pedrame; Beirão Da Cruz E Silva, Cristóvão; Di Francesco, Agostino; Faccioli, Pietro; Ferreira Parracho, Pedro Guilherme; Gallinaro, Michele; Hollar, Jonathan; Leonardo, Nuno; Lloret Iglesias, Lara; Nemallapudi, Mythra Varun; Rodrigues Antunes, Joao; Seixas, Joao; Toldaiev, Oleksii; Vadruccio, Daniele; Varela, Joao; Vischia, Pietro; Afanasiev, Serguei; Bunin, Pavel; Gavrilenko, Mikhail; Golutvin, Igor; Gorbunov, Ilya; Kamenev, Alexey; Karjavin, Vladimir; Lanev, Alexander; Malakhov, Alexander; Matveev, Viktor; Moisenz, Petr; Palichik, Vladimir; Perelygin, Victor; Shmatov, Sergey; Shulha, Siarhei; Skatchkov, Nikolai; Smirnov, Vitaly; Voytishin, Nikolay; Zarubin, Anatoli; Chtchipounov, Leonid; Golovtsov, Victor; Ivanov, Yury; Kim, Victor; Kuznetsova, Ekaterina; Murzin, Victor; Oreshkin, Vadim; Sulimov, Valentin; Vorobyev, Alexey; Andreev, Yuri; Dermenev, Alexander; Gninenko, Sergei; Golubev, Nikolai; Karneyeu, Anton; Kirsanov, Mikhail; Krasnikov, Nikolai; Pashenkov, Anatoli; Tlisov, Danila; Toropin, Alexander; Epshteyn, Vladimir; Gavrilov, Vladimir; Lychkovskaya, Natalia; Popov, Vladimir; Pozdnyakov, Ivan; Safronov, Grigory; Spiridonov, Alexander; Toms, Maria; Vlasov, Evgueni; Zhokin, Alexander; Bylinkin, Alexander; Chadeeva, Marina; Chistov, Ruslan; Rusinov, Vladimir; Andreev, Vladimir; Azarkin, Maksim; Dremin, Igor; Kirakosyan, Martin; Leonidov, Andrey; Rusakov, Sergey V; Terkulov, Adel; Baskakov, Alexey; Belyaev, Andrey; Boos, Edouard; Dubinin, Mikhail; Dudko, Lev; Ershov, Alexander; Gribushin, Andrey; Klyukhin, Vyacheslav; Kodolova, Olga; Lokhtin, Igor; Miagkov, Igor; Obraztsov, Stepan; Petrushanko, Sergey; Savrin, Viktor; Snigirev, Alexander; Blinov, Vladimir; Skovpen, Yuri; Azhgirey, Igor; Bayshev, Igor; Bitioukov, Sergei; Elumakhov, Dmitry; Kachanov, Vassili; Kalinin, Alexey; Konstantinov, Dmitri; Krychkine, Victor; Petrov, Vladimir; Ryutin, Roman; Sobol, Andrei; Troshin, Sergey; Tyurin, Nikolay; Uzunian, Andrey; Volkov, Alexey; Adzic, Petar; Cirkovic, Predrag; Devetak, Damir; Dordevic, Milos; Milosevic, Jovan; Rekovic, Vladimir; Alcaraz Maestre, Juan; Barrio Luna, Mar; Calvo, Enrique; Cerrada, Marcos; Chamizo Llatas, Maria; Colino, Nicanor; De La Cruz, Begona; Delgado Peris, Antonio; Escalante Del Valle, Alberto; Fernandez Bedoya, Cristina; Fernández Ramos, Juan Pablo; Flix, Jose; Fouz, Maria Cruz; Garcia-Abia, Pablo; Gonzalez Lopez, Oscar; Goy Lopez, Silvia; Hernandez, Jose M; Josa, Maria Isabel; Navarro De Martino, Eduardo; Pérez-Calero Yzquierdo, Antonio María; Puerta Pelayo, Jesus; Quintario Olmeda, Adrián; Redondo, Ignacio; Romero, Luciano; Soares, Mara Senghi; de Trocóniz, Jorge F; Missiroli, Marino; Moran, Dermot; Cuevas, Javier; Fernandez Menendez, Javier; Gonzalez Caballero, Isidro; González Fernández, Juan Rodrigo; Palencia Cortezon, Enrique; Sanchez Cruz, Sergio; Suárez Andrés, Ignacio; Vizan Garcia, Jesus Manuel; Cabrillo, Iban Jose; Calderon, Alicia; Castiñeiras De Saa, Juan Ramon; Curras, Esteban; Fernandez, Marcos; Garcia-Ferrero, Juan; Gomez, Gervasio; Lopez Virto, Amparo; Marco, Jesus; Martinez Rivero, Celso; Matorras, Francisco; Piedra Gomez, Jonatan; Rodrigo, Teresa; Ruiz-Jimeno, Alberto; Scodellaro, Luca; Trevisani, Nicolò; Vila, Ivan; Vilar Cortabitarte, Rocio; Abbaneo, Duccio; Auffray, Etiennette; Auzinger, Georg; Bachtis, Michail; Baillon, Paul; Ball, Austin; Barney, David; Bloch, Philippe; Bocci, Andrea; Bonato, Alessio; Botta, Cristina; Camporesi, Tiziano; Castello, Roberto; Cepeda, Maria; Cerminara, Gianluca; D'Alfonso, Mariarosaria; D'Enterria, David; Dabrowski, Anne; Daponte, Vincenzo; David Tinoco Mendes, Andre; De Gruttola, Michele; De Roeck, Albert; Di Marco, Emanuele; Dobson, Marc; Dorney, Brian; Du Pree, Tristan; Duggan, Daniel; Dünser, Marc; Dupont, Niels; Elliott-Peisert, Anna; Fartoukh, Stephane; Franzoni, Giovanni; Fulcher, Jonathan; Funk, Wolfgang; Gigi, Dominique; Gill, Karl; Girone, Maria; Glege, Frank; Gulhan, Doga; Gundacker, Stefan; Guthoff, Moritz; Hammer, Josef; Harris, Philip; Hegeman, Jeroen; Innocente, Vincenzo; Janot, Patrick; Kieseler, Jan; Kirschenmann, Henning; Knünz, Valentin; Kornmayer, Andreas; Kortelainen, Matti J; Kousouris, Konstantinos; Krammer, Manfred; Lange, Clemens; Lecoq, Paul; Lourenco, Carlos; Lucchini, Marco Toliman; Malgeri, Luca; Mannelli, Marcello; Martelli, Arabella; Meijers, Frans; Merlin, Jeremie Alexandre; Mersi, Stefano; Meschi, Emilio; Moortgat, Filip; Morovic, Srecko; Mulders, Martijn; Neugebauer, Hannes; Orfanelli, Styliani; Orsini, Luciano; Pape, Luc; Perez, Emmanuelle; Peruzzi, Marco; Petrilli, Achille; Petrucciani, Giovanni; Pfeiffer, Andreas; Pierini, Maurizio; Racz, Attila; Reis, Thomas; Rolandi, Gigi; Rovere, Marco; Ruan, Manqi; Sakulin, Hannes; Sauvan, Jean-Baptiste; Schäfer, Christoph; Schwick, Christoph; Seidel, Markus; Sharma, Archana; Silva, Pedro; Sphicas, Paraskevas; Steggemann, Jan; Stoye, Markus; Takahashi, Yuta; Tosi, Mia; Treille, Daniel; Triossi, Andrea; Tsirou, Andromachi; Veckalns, Viesturs; Veres, Gabor Istvan; Wardle, Nicholas; Zagoździńska, Agnieszka; Zeuner, Wolfram Dietrich; Bertl, Willi; Deiters, Konrad; Erdmann, Wolfram; Horisberger, Roland; Ingram, Quentin; Kaestli, Hans-Christian; Kotlinski, Danek; Langenegger, Urs; Rohe, Tilman; Bachmair, Felix; Bäni, Lukas; Bianchini, Lorenzo; Casal, Bruno; Dissertori, Günther; Dittmar, Michael; Donegà, Mauro; Grab, Christoph; Heidegger, Constantin; Hits, Dmitry; Hoss, Jan; Kasieczka, Gregor; Lecomte, Pierre; Lustermann, Werner; Mangano, Boris; Marionneau, Matthieu; Martinez Ruiz del Arbol, Pablo; Masciovecchio, Mario; Meinhard, Maren Tabea; Meister, Daniel; Micheli, Francesco; Musella, Pasquale; Nessi-Tedaldi, Francesca; Pandolfi, Francesco; Pata, Joosep; Pauss, Felicitas; Perrin, Gaël; Perrozzi, Luca; Quittnat, Milena; Rossini, Marco; Schönenberger, Myriam; Starodumov, Andrei; Tavolaro, Vittorio Raoul; Theofilatos, Konstantinos; Wallny, Rainer; Aarrestad, Thea Klaeboe; Amsler, Claude; Caminada, Lea; Canelli, Maria Florencia; De Cosa, Annapaola; Galloni, Camilla; Hinzmann, Andreas; Hreus, Tomas; Kilminster, Benjamin; Ngadiuba, Jennifer; Pinna, Deborah; Rauco, Giorgia; Robmann, Peter; Salerno, Daniel; Yang, Yong; Candelise, Vieri; Doan, Thi Hien; Jain, Shilpi; Khurana, Raman; Konyushikhin, Maxim; Kuo, Chia-Ming; Lin, Willis; Lu, Yun-Ju; Pozdnyakov, Andrey; Yu, Shin-Shan; Kumar, Arun; Chang, Paoti; Chang, You-Hao; Chang, Yu-Wei; Chao, Yuan; Chen, Kai-Feng; Chen, Po-Hsun; Dietz, Charles; Fiori, Francesco; Hou, George Wei-Shu; Hsiung, Yee; Liu, Yueh-Feng; Lu, Rong-Shyang; Miñano Moya, Mercedes; Paganis, Efstathios; Psallidas, Andreas; Tsai, Jui-fa; Tzeng, Yeng-Ming; Asavapibhop, Burin; Singh, Gurpreet; Srimanobhas, Norraphat; Suwonjandee, Narumon; Cerci, Salim; Damarseckin, Serdal; Demiroglu, Zuhal Seyma; Dozen, Candan; Dumanoglu, Isa; Girgis, Semiray; Gokbulut, Gul; Guler, Yalcin; Gurpinar, Emine; Hos, Ilknur; Kangal, Evrim Ersin; Kara, Ozgun; Kayis Topaksu, Aysel; Kiminsu, Ugur; Oglakci, Mehmet; Onengut, Gulsen; Ozdemir, Kadri; Sunar Cerci, Deniz; Tali, Bayram; Turkcapar, Semra; Zorbakir, Ibrahim Soner; Zorbilmez, Caglar; Bilin, Bugra; Bilmis, Selcuk; Isildak, Bora; Karapinar, Guler; Yalvac, Metin; Zeyrek, Mehmet; Gülmez, Erhan; Kaya, Mithat; Kaya, Ozlem; Yetkin, Elif Asli; Yetkin, Taylan; Cakir, Altan; Cankocak, Kerem; Sen, Sercan; Grynyov, Boris; Levchuk, Leonid; Sorokin, Pavel; Aggleton, Robin; Ball, Fionn; Beck, Lana; Brooke, James John; Burns, Douglas; Clement, Emyr; Cussans, David; Flacher, Henning; Goldstein, Joel; Grimes, Mark; Heath, Greg P; Heath, Helen F; Jacob, Jeson; Kreczko, Lukasz; Lucas, Chris; Newbold, Dave M; Paramesvaran, Sudarshan; Poll, Anthony; Sakuma, Tai; Seif El Nasr-storey, Sarah; Smith, Dominic; Smith, Vincent J; Barducci, Daniele; Belyaev, Alexander; Brew, Christopher; Brown, Robert M; Calligaris, Luigi; Cieri, Davide; Cockerill, David JA; Coughlan, John A; Harder, Kristian; Harper, Sam; Olaiya, Emmanuel; Petyt, David; Shepherd-Themistocleous, Claire; Thea, Alessandro; Tomalin, Ian R; Williams, Thomas; Baber, Mark; Bainbridge, Robert; Buchmuller, Oliver; Bundock, Aaron; Burton, Darren; Casasso, Stefano; Citron, Matthew; Colling, David; Corpe, Louie; Dauncey, Paul; Davies, Gavin; 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Levin, Andrew; Luckey, Paul David; Marini, Andrea Carlo; Mcginn, Christopher; Mironov, Camelia; Narayanan, Siddharth; Niu, Xinmei; Paus, Christoph; Roland, Christof; Roland, Gunther; Salfeld-Nebgen, Jakob; Stephans, George; Sumorok, Konstanty; Tatar, Kaya; Varma, Mukund; Velicanu, Dragos; Veverka, Jan; Wang, Jing; Wang, Ta-Wei; Wyslouch, Bolek; Yang, Mingming; Zhukova, Victoria; Benvenuti, Alberto; Chatterjee, Rajdeep Mohan; Evans, Andrew; Finkel, Alexey; Gude, Alexander; Hansen, Peter; Kalafut, Sean; Kao, Shih-Chuan; Kubota, Yuichi; Lesko, Zachary; Mans, Jeremy; Nourbakhsh, Shervin; Ruckstuhl, Nicole; Rusack, Roger; Tambe, Norbert; Turkewitz, Jared; Acosta, John Gabriel; Oliveros, Sandra; Avdeeva, Ekaterina; Bartek, Rachel; Bloom, Kenneth; Claes, Daniel R; Dominguez, Aaron; Fangmeier, Caleb; Gonzalez Suarez, Rebeca; Kamalieddin, Rami; Kravchenko, Ilya; Malta Rodrigues, Alan; Meier, Frank; Monroy, Jose; Siado, Joaquin Emilo; Snow, Gregory R; Stieger, Benjamin; Alyari, Maral; Dolen, James; 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Long, Kenneth; Loveless, Richard; Ojalvo, Isabel; Perry, Thomas; Polese, Giovanni; Ruggles, Tyler; Savin, Alexander; Smith, Nicholas; Smith, Wesley H; Taylor, Devin; Woods, Nathaniel

    2016-01-01

    Measurements of two- and multi-particle angular correlations in pp collisions at $\\sqrt{s} = $ 5, 7, and 13 TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0 pb$^{-1}$ (5 TeV), 6.2 pb$^{-1}$ (7 TeV), and 0.7 pb$^{-1}$ (13 TeV), were collected using the CMS detector at the LHC. The second-order ($v_2$) and third-order ($v_3$) azimuthal anisotropy harmonics of unidentified charged particles, as well as $v_2$ of $\\mathrm{ K_S }^0$ and $\\Lambda/\\overline{\\Lambda}$ particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the $v_2$ values of charged hadrons (mostly pions), $\\mathrm{ K_S }^0$, and $\\Lambda/\\overline{\\Lambda}$, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below $p_{\\mathrm{T}} \\approx 2$ GeV/$c$. For 13 TeV data, the $v_2$ signals are also extracted from fou...

  17. Proving the PP-Wave/CFT_2 Duality

    CERN Document Server

    Gava, E; Gava, Edi

    2002-01-01

    We study the duality between IIB string theory on a pp-wave background, arising as a Penrose limit of the $AdS_3 \\times S^3\\times M$, where $M$ is $T^4$ (or $K3$), and the 2D CFT which is given by the ${\\cal N}=(4,4)$ orbifold $(M)^N/S_N$, resolved by a blowing-up mode. After analizying the action of the supercharges on both sides, we establish a correspondence between the states of the two theories. In particular and for the $T^4$ case, we identify both massive and massless oscillators on the pp-wave, with certain classes of excited states in the resolved CFT carrying large $R$-charge $n$. For the former, the excited states involve fractional modes of the generators of the ${\\cal N}=4$ chiral algebra acting on the $Z_n$ ground states. For the latter, they involve, fractional modes of the $U(1)^4_L\\times U(1)^4_R$ super-current algebra acting on the $Z_n$ ground states. By using conformal perturbation theory we compute the leading order correction to the conformal dimensions of the first class of states, due ...

  18. On the spectrum of pp-wave matrix theory

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Nakwoo E-mail: kim@aei.mpg.de; Plefka, Jan E-mail: plefka@aei.mpg.de

    2002-11-04

    We study the spectrum of the recently proposed matrix model of DLCQ M-theory in a parallel plane (pp)-wave background. In contrast to matrix theory in a flat background this model contains mass terms, which lift the flat directions of the potential and renders its spectrum discrete. The supersymmetry algebra of the model groups the energy eigenstates into supermultiplets, whose members differ by fixed amounts of energy in great similarity to the representation of supersymmetry in AdS spaces. There is a unique and exact zero-energy ground state along with a multitude of long and short multiplets of excited states. For large masses the quantum mechanical model may be treated perturbatively and we study the leading order energy shifts of the first excited states up to level two. Most interestingly we uncover a protected short multiplet at level two, whose energies do not receive perturbative corrections. Moreover, we conjecture the existence of an infinite series of similar protected multiplets in the pp-wave matrix model.

  19. Antjie Krog se vertaling van Henk van Woerden se roman Een mond vol glas

    Directory of Open Access Journals (Sweden)

    H.P. van Coller

    2002-08-01

    Full Text Available Antjie Krog’s translation of Henk van Woerden’s novel Een mond vol glas (A mouth full of glass Against a historical backdrop several critical approaches to translational theory are explicated. Traditional criticism seems to imply positioning between the Source Text (ST and the Target Text (TT. A functionalist approach (as propagated among others by Snell-Hornby, Nord and Naaijkens is a descriptive rather than a normative approach that focuses almost exclusively on the ST. This approach is consequently adopted in the evaluation of Krog’s translation; yet even within this more relativistic paradigm, a comparison between ST and TT should not be evaded. In the case of Krog’s translation, this comparison leads to the identification of scores of lexical, grammatical and stylistic errors.

  20. Neeme Järvi. "The Early Recordings", vol. 1 a 6. / Hulot, Jean-Claude

    Index Scriptorium Estoniae

    Hulot, Jean-Claude

    1998-01-01

    Uuest heliplaadist "Neeme Järvi. "The Early Recordings", vol. 1 a 6. Paganini: Concerto pour violon no. 1; Tchaikovski: Concerto pour violon op. 35; Concerto pour piano no. 1; Saint-Saens: Concerto pour piano no. 2; Beethoven: Concerto pour piano no. 4; R. Strauss: Till Eulenspiegels lustige Streiche. Don Juan; Cherubini: Requiem en re mineur; Chostakovitch: Fidelite, 8 ballades pour choeur d'hommes op. 136; Haydn: Concerto pour violoncelle no. 2; Tchaikovski: Variations Rococo. Pezzo capriccioso. Andante cantabile. Nocturne. Choeur d'hommes Academique de l'Etat d'Estonie, Orchestre Philharmonique de Moscou, Orchestre Symphonique d'URSS, Grand Orchestre Symphonique de la Radio d'URSS, Orchestre Symphonique de la Radio d'Estonie, Gustav Ernesaks, Neeme Järvi. Melodiya 74 321 40 719-2 a 40 724-2, distribution BMG (6 CD:96 F chacun)

  1. 养成记Vol.2初步入选的十人公布

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    受到众多读者喜爱的“Shiningstar养成记“在经历了三个月的报名后,最终有十位美眉通过了“海选”,即将等待由专业团队组成的审核小组进行第二轮淘汰。Vol.2的“养成记”正在紧张地筹划着全新操作方式,最后入选的美眉除了接受改造出现在杂志上以外,更有机会参与到现场活动中去!

  2. Les objets sous contrainte. Gages, saisies, confiscations, vols,pillages, recel au Moyen Âge

    Directory of Open Access Journals (Sweden)

    Laurent Feller

    2010-10-01

    Full Text Available Du jeudi 20 au samedi 21 novembre 2009, à l’initiative d’Ana Rodriguez et de Laurent Feller, s’est tenu à Auxerre, dans la maison du Coche d’Eau, un séminaire d’études international portant sur Les objets sous contrainte. Gages, saisies, confiscation, vol, pillage, recel au Moyen Âge. Organisée conjointement par le Lamop, l’université de Paris 1 et le CCHS (CSIC de Madrid, partiellement financée par un projet Picasso de l’association Égide, l’opération a bénéficié du soutien de l’université ...

  3. Neeme Järvi. "The Early Recordings", vol. 1 a 6. / Hulot, Jean-Claude

    Index Scriptorium Estoniae

    Hulot, Jean-Claude

    1998-01-01

    Uuest heliplaadist "Neeme Järvi. "The Early Recordings", vol. 1 a 6. Paganini: Concerto pour violon no. 1; Tchaikovski: Concerto pour violon op. 35; Concerto pour piano no. 1; Saint-Saens: Concerto pour piano no. 2; Beethoven: Concerto pour piano no. 4; R. Strauss: Till Eulenspiegels lustige Streiche. Don Juan; Cherubini: Requiem en re mineur; Chostakovitch: Fidelite, 8 ballades pour choeur d'hommes op. 136; Haydn: Concerto pour violoncelle no. 2; Tchaikovski: Variations Rococo. Pezzo capriccioso. Andante cantabile. Nocturne. Choeur d'hommes Academique de l'Etat d'Estonie, Orchestre Philharmonique de Moscou, Orchestre Symphonique d'URSS, Grand Orchestre Symphonique de la Radio d'URSS, Orchestre Symphonique de la Radio d'Estonie, Gustav Ernesaks, Neeme Järvi. Melodiya 74 321 40 719-2 a 40 724-2, distribution BMG (6 CD:96 F chacun)

  4. Componentes volátiles de la gulupa passiflora maliformís

    Directory of Open Access Journals (Sweden)

    P. Restrepo

    2009-07-01

    Full Text Available QLos componentes volátiles del aroma de la gulupa fueron extraídos mediante el método de destilación-extracción simultánea utilizando diciorometano como solvente orgánico y concentrándolo hasta obtener 0,2 ml. El extracto analizado por CG y CG-EM muestra que el aroma de la gulupa está constituido por 43 componentes 6 mayoritarios y 34 de menor concentración, de los cuales fueron totalmente identificados 32 (el 97,78% del total del aroma y no se pudieron identificar 8 (el 2,22% del aroma. Los componentes mayoritarios encontrados en al aroma da la gulupa son: el butanoato de etilo, el butanoato de metilo, el 2-butenoato de metilo, los hexanoatos de metilo y etilo, y el 2-hexanol.

  5. The spectroscopy analyses of PpIX by ultrasound irradiation and its sonotoxicity in vitro.

    Science.gov (United States)

    Wang, Pan; Wang, Xiaobing; Zhang, Kun; Gao, Kaili; Song, Ming; Liu, Quanhong

    2013-07-01

    Protoporphyrin IX (PpIX) has been used as a sensitizer in photodynamic therapy (PDT) as well as in sonodynamic therapy (SDT). The photo-bleaching of PpIX has been well investigated in many experimental systems and some photo-products have also been identified in PDT. But until now, little information has been reported about the sono-damage of PpIX in SDT. So, the present study was to investigate changes of PpIX properties before and after different ultrasound treatment, and the potential interactions between PpIX, ultrasound and the irradiated cells. In cell-free system, the absorption and fluorescence spectra of PpIX in different solutions were measured by ultraviolet spectrometer and fluorescence spectrophotometer, respectively. The terephthalic acid dosimetry was applied to evaluate the efficiency of ultrasound cavitation by monitoring hydroxyl radical (OH) production on the thermolysis of H2O in the ultrasound field. In in vitro study, confocal microscopy was applied to detect the sub-cellular localization of PpIX in S180 cells before and after ultrasound exposure. Flow cytometry was used to detect the reactive oxygen species (ROS) generation during PpIX-SDT. MTT assay was performed to evaluate the cell viability of S180 cells after SDT treatment with or without ROS scavengers. The results show that PpIX displayed different spectral patterns in different solutions. PpIX was decomposed by ultrasound exposure as measured by the decreased absorption and fluorescence peak values in RPMI-1640 medium. In addition, the decomposition of PpIX was found to be simultaneously accompanied by OH production with increasing output power from ultrasound generator. PpIX at 1μg/ml significantly enhanced the ultrasound induced cavitation as measured by OH generation, and which was greatly eliminated by NaN3, histidine, mannitol, EDTA and catalase, but not by SOD. The in vitro study indicates more PpIX entered into S180 cells after ultrasound exposure. And, the extra-cellular Pp

  6. Association of Metal Homeostasis and (p)ppGpp Regulation in the Pathophysiology of Enterococcus faecalis.

    Science.gov (United States)

    Colomer-Winter, C; Gaca, A O; Lemos, J A

    2017-07-01

    In Enterococcus faecalis, the regulatory nucleotides pppGpp and ppGpp, collectively, (p)ppGpp, are required for growth in blood, survival within macrophages, and virulence. However, a clear understanding of how (p)ppGpp promotes virulence in E. faecalis and other bacterial pathogens is still lacking. In the host, the essential transition metals iron (Fe) and manganese (Mn) are not readily available to invading pathogens because of a host-driven process called nutritional immunity. Considering its central role in adaptation to nutritional stresses, we hypothesized that (p)ppGpp mediates E. faecalis virulence through regulation of metal homeostasis. Indeed, supplementation of serum with either Fe or Mn restored growth and survival of the Δrel ΔrelQ [(p)ppGpp(0)] strain to wild-type levels. Using a chemically defined medium, we found that (p)ppGpp accumulates in response to either Fe depletion or Mn depletion and that the (p)ppGpp(0) strain has a strong growth requirement for Mn that is alleviated by Fe supplementation. Although inactivation of the nutrient-sensing regulator codY restored some phenotypes of the (p)ppGpp(0) strain, transcriptional analysis showed that the (p)ppGpp/CodY network does not promote transcription of known metal transporters. Interestingly, physiologic and enzymatic investigations suggest that the (p)ppGpp(0) strain requires higher levels of Mn in order to cope with high levels of endogenously produced reactive oxygen species (ROS). Because (p)ppGpp mediates antibiotic persistence and virulence in several bacteria, our findings have broad implications and provide new leads for the development of novel therapeutic and preventive strategies against E. faecalis and beyond. Copyright © 2017 American Society for Microbiology.

  7. Essential roles for Mycobacterium tuberculosis Rel beyond the production of (p)ppGpp.

    Science.gov (United States)

    Weiss, Leslie A; Stallings, Christina L

    2013-12-01

    In Mycobacterium tuberculosis, the stringent response to amino acid starvation is mediated by the M. tuberculosis Rel (RelMtb) enzyme, which transfers a pyrophosphate from ATP to GDP or GTP to synthesize ppGpp and pppGpp, respectively. (p)ppGpp then influences numerous metabolic processes. RelMtb also encodes a second, distinct catalytic domain that hydrolyzes (p)ppGpp into pyrophosphate and GDP or GTP. RelMtb is required for chronic M. tuberculosis infection in mice; however, it is unknown which catalytic activity of RelMtb mediates pathogenesis and whether (p)ppGpp itself is necessary. In order to individually investigate the roles of (p)ppGpp synthesis and hydrolysis during M. tuberculosis pathogenesis, we generated RelMtb point mutants that were either synthetase dead (RelMtb(H344Y)) or hydrolase dead (RelMtb(H80A)). M. tuberculosis strains expressing the synthetase-dead RelMtb(H344Y) mutant did not persist in mice, demonstrating that the RelMtb (p)ppGpp synthetase activity is required for maintaining bacterial titers during chronic infection. Deletion of a second predicted (p)ppGpp synthetase had no effect on pathogenesis, demonstrating that RelMtb was the major contributor to (p)ppGpp production during infection. Interestingly, expression of an allele encoding the hydrolase-dead RelMtb mutant, RelMtb(H80A), that is incapable of hydrolyzing (p)ppGpp but still able to synthesize (p)ppGpp decreased the growth rate of M. tuberculosis and changed the colony morphology of the bacteria. In addition, RelMtb(H80A) expression during acute or chronic M. tuberculosis infection in mice was lethal to the infecting bacteria. These findings highlight a distinct role for RelMtb-mediated (p)ppGpp hydrolysis that is essential for M. tuberculosis pathogenesis.

  8. Fractographic and rheological characterizations of CF/PP-PE-copolymer composites tested in tensile

    Directory of Open Access Journals (Sweden)

    Paula Helena da Silva Cirilo

    Full Text Available Abstract This work shows the fractographic study of fractured surfaces resulted from tensile tests of thermoplastic composites based on poly(propylene-co-ethylene (PP-PE and modified PP-PE copolymers reinforced with continuous carbon fibers (CF. The PP-PE matrix was modified with two agents called AM1 (based on maleic anhydride and AM2 (containing an elastomeric agent, respectively. Three different laminates - CF/PP-PE, CF/PP-PE(AM1 and CF/PP-PE(AM2 - were manufactured. The best tensile strength and elastic modulus results were determined for the CF/PP-PE(AM1 laminate (507.6 ± 11.8 MPa and 54.7 ± 2.4 GPa, respectively. These results show that the AM1 agent contributed to increase the physicochemical interaction between the CF and the PP-PE matrix. This condition provided a better loading transfer from matrix to the reinforcement. Scanning electron microscopy analyses of the fracture surfaces show the fractographic aspects of the samples and allow evaluating the fiber/matrix-interfacial adhesion. Poor adhesion is observed for the CF/PP-PE and CF/PP-PE(AM2 laminates with the presence of fiber impressions on the polymer rich regions and fiber surfaces totally unprotected of polymer matrix. On the other side, a more consistent adhesion is observed for the CF/PP-PE(AM1 laminate. This result is in agreement with the tensile test data and show the presence of a good interaction between the laminate constituents. The correlation of the mechanical and fractographic results with the curves of complex viscosity versus temperature of the studied polymer matrices shows that the matrix viscosity did not affect the wettability of the reinforcement.

  9. The Impact of Routine HTLV-III Antibody Testing on Public Health. National Institutes of Health Consensus Development Conference Statement, Vol. 6, No. 5.

    Science.gov (United States)

    National Institutes of Health (DHHS), Bethesda, MD.

    A policy statement by a group of experts on screening blood donations for contamination by human immunodeficiency virus (HIV), the causative agent of acquired immunodeficiency syndrome (AIDS), is presented in this document. This document provides policy recommendations formed by a consensus conference sponsored by the National Institutes of Health…

  10. Procesado mediante una ruta pulvimetalúrgica de materiales compuestos Mg-10Ti (% vol

    Directory of Open Access Journals (Sweden)

    Pérez, P.

    2005-12-01

    Full Text Available The present study deals with the mechanical characterization at temperatures between 25 and 300 °C of a magnesium matrix composite reinforced with a 10 % volume fraction of titanium particles. The Mg-10Ti (vol.% composite was processed by a powder metallurgy involving mixing of powders, cold pressing and extrusion at 400 °C. The composite shows high strength (218 MPa and some elongation (4,7 % at room temperature, higher than those reported for most of magnesium matrix composites. The gradual decrease in the mechanical properties of the composite at temperatures above 100 °C indicates the beneficial effect of titanium reinforcement.

    El presente estudio trata sobre la caracterización mecánica, en el intervalo de temperaturas comprendido entre 25 y 300 °C, del material compuesto de matriz magnesio Mg-10Ti (% vol. obtenido a través de una ruta pulvimetalúrgica que incluye la mezcla de los polvos de magnesio y titanio, compactación en frío y extrusión a 400 °C. El material muestra una elevada resistencia (218 MPa y alargamiento (4,7 % a temperatura ambiente, valores superiores a los de la mayoría de materiales compuestos de matriz magnesio reforzados con un material cerámico. La reducción en las propiedades mecánicas del material se produce de un modo gradual a partir de 100 °C, lo que indica el efecto beneficioso del refuerzo de titanio.

  11. Automatic individualized contrast medium dosage during hepatic computed tomography by using computed tomography dose index volume (CTDI{sub vol})

    Energy Technology Data Exchange (ETDEWEB)

    Svensson, Anders; Cederlund, Kerstin; Aspelin, Peter; Brismar, Torkel B. [Intervention and Technology at Karolinska Institutet, Department of Clinical Science, Division of Medical Imaging and Technology, Stockholm (Sweden); Karolinska University Hospital in Huddinge, Department of Radiology, Stockholm (Sweden); Bjoerk, Jonas [FoU-centrum Skaane Skaanes Universitetssjukhus i Lund, Lund (Sweden); Nyman, Ulf [University of Lund, Department of Diagnostic Radiology, Lasarettet Trelleborg, Trelleborg (Sweden)

    2014-08-15

    To compare hepatic parenchymal contrast media (CM) enhancement during multi-detector row computed tomography (MDCT) and its correlation with volume pitch-corrected computed tomography dose index (CTDI{sub vol}) and body weight (BW). One hundred patients referred for standard three-phase thoraco-abdominal MDCT examination were enrolled. BW was measured in the CT suite. Forty grams of iodine was administered intravenously (iodixanol 320 mg I/ml at 5 ml/s or iomeprol 400 mg I/ml at 4 ml/s) followed by a 50-ml saline flush. CTDI{sub vol} presented by the CT equipment during the parenchymal examination was recorded. The CM enhancement of the liver was defined as the attenuation HU of the liver parenchyma during the hepatic parenchymal phase minus the attenuation in the native phase. Liver parenchymal enhancement was negatively correlated to both CTDI{sub vol} (r = -0.60) and BW (r = -0.64), but the difference in correlation between those two was not significant. CTDI{sub vol} may replace BW when adjusting CM doses to body size. This makes it potentially feasible to automatically individualize CM dosage by CT. (orig.)

  12. Caqui cv. 'Mikado': análise de compostos voláteis em frutos adstringentes e destanizados

    Directory of Open Access Journals (Sweden)

    Maristella Martineli

    2013-08-01

    Full Text Available O objetivo do presente trabalho foi determinar os compostos voláteis em frutos de caqui Mikado adstringentes e destanizados, em dois períodos de armazenamento, utilizando microextração em fase sólida (MEFS, fibra DVB/CAR/PDMS por cromatografia gasosa acoplada à espectrometria de massas (CG-EM. A partir dos resultados foi possível observar diferenças na composição volátil em frutos adstringentes e destanizados de caqui Mikado, com perdas em ambas as amostras. A remoção da adstringência com exposição ao álcool promoveu aumento dos voláteis no 1o dia após a destanização. Os compostos voláteis de caqui Mikado são representados, majoritariamente, por hidrocarbonetos terpênicos, seguidos de ésteres de cadeia linear.

  13. 共聚PP/POE共混物流变行为的研究%Study on the rheological behavior of iPP/POE blends

    Institute of Scientific and Technical Information of China (English)

    王海平; 王炜; 胡国胜; 王标兵

    2009-01-01

    采用XLY-Ⅱ型毛细管流变仪研究了共聚聚丙烯(iPP)、乙烯-辛烯共聚物(POE)及其共混物的流变特性.实验结果表明,PP/POE共混物的最佳加工温度为180℃.iPP/POE共混物熔体均为假塑性流体,呈现出切力变稀现象.PP/POE复合材料的表观黏度与粘流活化能均随着POE含量的增加而减小.

  14. Influence of the use of organoclays on the morphology of PP/EPDM blends; Influencia da utilizacao de argilas organofilicas na morfologia de misturas PP/EPDM

    Energy Technology Data Exchange (ETDEWEB)

    Ferreira, K.R.M.; Andrade, D.L.A.C.S.; Raposo, C.M.O.; Silva, S.M.L., E-mail: suedina@dema.ufcg.edu.br [Universidade Federal de Campina Grande (UFCG/UAEMa), PB (Brazil). Unidade Academica de Engenharia de Materiais

    2012-07-01

    This study evaluated the influence of different organoclays on morphology of PP/EPDM blends. Two organobentonite (MPH and MPTH), provided by Laboratory of physical chemistry of the Academic Unit of Mining and Geology/UFCG/Campina Grande/PB and a montmorillonite (Cloisite 20A - C20A), provided by Southern Clay Products (Texas/USA) were added to the PP/EPDM polymer blend in order to obtain nanocomposites containing 1 phr of organoclay. The blends of PP/EPDM/organoclay were prepared by melt intercalation process, in an internal mixer coupled to the Haake Torque Rheometer, operating at 180 ° C and 50 rpm for 15min. The samples were characterized by X-ray diffraction and scanning electron microscopy. The results show that the type of organoclay modified the morphology of PP/EPDM blends. (author)

  15. How Accurately Can we count the number of $pp \\to ZX$ and $pp \\to WX$ events using decays to electrons

    CERN Document Server

    Dissertori, Günther; Ehlers, Jan; Holzner, André

    2006-01-01

    This note describes an analysis of the reaction pp -> ZX and pp -> WX with Z and W decays to electrons, using the full CMS detector simulation and event reconstruction chain. Inclusive Z and W events with their decays to electrons are selected with robust and essentially background-free criteria. The aim of this analysis is to define some baseline selection such that the potential uncertainties from known detector inhomogeneities can be determined. In absence of sufficiently large di-jet event samples, no detailed background studies could be performed. However, it is known from previous CMS studies that the proposed selection criteria are rather insensitive to background and the "early" miscalibrations. This robust selection can thus be considered as especially useful for the CMS startup phase. Keeping these shortcomings in mind, a Z selection efficiency of about 60% is obtained, if the Z decay products end up within the barrel ECAL acceptance. The corresponding efficiency for W's is about 25%. Gaps between t...

  16. The molecular chaperone Hsp70 activates protein phosphatase 5 (PP5) by binding the tetratricopeptide repeat (TPR) domain.

    Science.gov (United States)

    Connarn, Jamie N; Assimon, Victoria A; Reed, Rebecca A; Tse, Eric; Southworth, Daniel R; Zuiderweg, Erik R P; Gestwicki, Jason E; Sun, Duxin

    2014-01-31

    Protein phosphatase 5 (PP5) is auto-inhibited by intramolecular interactions with its tetratricopeptide repeat (TPR) domain. Hsp90 has been shown to bind PP5 to activate its phosphatase activity. However, the functional implications of binding Hsp70 to PP5 are not yet clear. In this study, we find that both Hsp90 and Hsp70 bind to PP5 using a luciferase fragment complementation assay. A fluorescence polarization assay shows that Hsp90 (MEEVD motif) binds to the TPR domain of PP5 almost 3-fold higher affinity than Hsp70 (IEEVD motif). However, Hsp70 binding to PP5 stimulates higher phosphatase activity of PP5 than the binding of Hsp90. We find that PP5 forms a stable 1:1 complex with Hsp70, but the interaction appears asymmetric with Hsp90, with one PP5 binding the dimer. Solution NMR studies reveal that Hsc70 and PP5 proteins are dynamically independent in complex, tethered by a disordered region that connects the Hsc70 core and the IEEVD-TPR contact area. This tethered binding is expected to allow PP5 to carry out multi-site dephosphorylation of Hsp70-bound clients with a range of sizes and shapes. Together, these results demonstrate that Hsp70 recruits PP5 and activates its phosphatase activity which suggests dual roles for PP5 that might link chaperone systems with signaling pathways in cancer and development.

  17. Alarmone ppGpp and its role in the environmental adaptations of microorganisms%信号分子ppGpp与微生物环境适应性

    Institute of Scientific and Technical Information of China (English)

    卢文珺; 王金文; 徐俊

    2012-01-01

    微生物能感知环境胁迫信号,通过触发严谨反应对生长速率进行调节,并通过一系列代谢调控,使细胞能在不利环境中生存.高度磷酸化的鸟苷四/五磷酸ppGpp/pppGpp(简称ppGpp)作为信号分子对微生物生理具有广泛的调节作用,至今仍是微生物学研究热点之一.ppGpp对于微生物适应高温、高压等环境起到了积极的作用.综述了信号分子ppGpp合成降解机制及其调控微生物适应性方面的研究进展.%When microorganism confronted with unfavorable environment, it can perceive the stress signal and start stringent response quickly to make bacteria more adaptive to all kinds of environment. The guanosine tetraphosphate ppGpp is the most celebrated alarmone to trigger the gene regulation for environmental adaptation according to its physiological status in prokaryote. ppGpp plays an active role especially in extreme environment adaptation, i.e. stress response to high temperature, high pressure et al. This paper reviews the mechanism of ppGpp regulation and the recent progress on the causal relationship between ppGpp and various environmental adaptations.

  18. Mechatronic systems and materials III

    CERN Document Server

    Gosiewski, Zdzislaw

    2009-01-01

    This very interesting volume is divided into 24 sections; each of which covers, in detail, one aspect of the subject-matter: I. Industrial robots; II. Microrobotics; III. Mobile robots; IV. Teleoperation, telerobotics, teleoperated semi-autonomous systems; V. Sensors and actuators in mechatronics; VI. Control of mechatronic systems; VII. Analysis of vibration and deformation; VIII. Optimization, optimal design; IX. Integrated diagnostics; X. Failure analysis; XI. Tribology in mechatronic systems; XII. Analysis of signals; XIII. Measurement techniques; XIV. Multifunctional and smart materials;

  19. The Negotiation of Basel III

    DEFF Research Database (Denmark)

    Just, Sine Nørholm

    2015-01-01

    While the Basel Accords of 1988 and 2004 (Basel I and Basel II) ostensibly set out to regulate bank risk at the international level, they were effectively in the grip of neoliberal beliefs in the self-regulating potential of free markets. In 2009–2011, the Basel Accords were revised once more wit...... agency, the empirical argument is substantiated through textual–intertextual analysis of the rhetorical circulation of affective signs in the Basel III negotiations....

  20. A K-sample Homogeneity Test based on the Quantification of the p-p Plot

    NARCIS (Netherlands)

    J. Hinloopen (Jeroen); R. Wagenvoort (Rien); J.G.M. van Marrewijk (Charles)

    2008-01-01

    textabstractWe propose a quantification of the p-p plot that assigns equal weight to all distances between the respective distributions: the surface between the p-p plot and the diagonal. This surface is labelled the Harmonic Weighted Mass (HWM) index. We introduce the diagonal-deviation (d-d) plot

  1. Evaluation of PpIX formation in Cervical Intraepithelial Neoplasia I (CIN) using widefield fluorescence images

    Science.gov (United States)

    Carbinatto, Fernanda M.; Inada, Natalia M.; Fortunato, Thereza C.; Lombardi, Welington; da Silva, Eduardo V.; Vollet Filho, José D.; Kurachi, Cristina; Pratavieira, Sebastião.; Bagnato, Vanderlei S.

    2016-03-01

    Optical techniques has been described as auxiliary technology for screening of neoplasia because shows the potential for tissues differentiation in real-time and it is a noninvasive detection and safe. However, only endogenous fluorophores presents the lesion may be insufficient and needed of the administration of the fluorophores synthesized, such as, precursor molecule of protoporphyrin IX (PpIX) induced by 5- aminolevulinic acid and your derivatives. Topical application of methylaminolevulinate (MAL), induces formation of the endogenous photosensitizer, PpIX in tissues where carcinogenesis has begun. The PpIX tend to accumulate in premalignant and malignant tissues and the illumination with light with appropriate wavelength beginning to excitation of PpIX fluorescence, which helps to localize PpIX-rich areas and identify potentially malignant tissues. The aim of the study is to evaluate the production of PpIX in the cervix with CIN I through of the fluorescence images captured after 1 hour of cream application. It was possible to visualize PpIX fluorescence in cervix and it was possible to observe the selectivity in fluorescence in squamous-columnar junction, which a pre-cancerous condition (CIN) and usually is localized. Through the image processing it was possible to quantify the increase of red fluorescence. For the CIN I the increase of red fluorescence was approximately of 4 times indicating a good PpIX formation.

  2. Azimuthal correlations in Pb--Pb and pp collisions measured with the ALICE detector

    DEFF Research Database (Denmark)

    Zhou, You; Collaboration, for the ALICE

    2012-01-01

    We present results from the measurements of azimuthal correlations of charged particles in $\\sqrt{s_{_{NN}}}$ = 2.76 TeV Pb--Pb collisions and $\\sqrt{s_{_{NN}}}$ = 7 TeV pp collisions. In addition, the comparison of the experimental measurements in pp collisions with those from Pythia and Phojet...

  3. A K-sample Homogeneity Test based on the Quantification of the p-p Plot

    NARCIS (Netherlands)

    Hinloopen, Jeroen; Wagenvoort, Rien; Marrewijk, van Charles

    2008-01-01

    We propose a quantification of the p-p plot that assigns equal weight to all distances between the respective distributions: the surface between the p-p plot and the diagonal. This surface is labelled the Harmonic Weighted Mass (HWM) index. We introduce the diagonal-deviation (d-d) plot that allows

  4. AbetaPP/APLP2 family of Kunitz serine proteinase inhibitors regulate cerebral thrombosis.

    Science.gov (United States)

    Xu, Feng; Previti, Mary Lou; Nieman, Marvin T; Davis, Judianne; Schmaier, Alvin H; Van Nostrand, William E

    2009-04-29

    The amyloid beta-protein precursor (AbetaPP) is best recognized as the precursor to the Abeta peptide that accumulates in the brains of patients with Alzheimer's disease, but less is known about its physiological functions. Isoforms of AbetaPP that contain a Kunitz-type serine proteinase inhibitor (KPI) domain are expressed in brain and, outside the CNS, in circulating blood platelets. Recently, we showed that KPI-containing forms of AbetaPP regulates cerebral thrombosis in vivo (Xu et al., 2005, 2007). Amyloid precursor like protein-2 (APLP2), a closely related homolog to AbetaPP, also possesses a highly conserved KPI domain. Virtually nothing is known of its function. Here, we show that APLP2 also regulates cerebral thrombosis risk. Recombinant purified KPI domains of AbetaPP and APLP2 both inhibit the plasma clotting in vitro. In a carotid artery thrombosis model, both AbetaPP(-/-) and APLP2(-/-) mice exhibit similar significantly shorter times to vessel occlusion compared with wild-type mice indicating a prothrombotic phenotype. Similarly, in an experimental model of intracerebral hemorrhage, both AbetaPP(-/-) and APLP2(-/-) mice produce significantly smaller hematomas with reduced brain hemoglobin content compared with wild-type mice. Together, these results indicate that AbetaPP and APLP2 share overlapping anticoagulant functions with regard to regulating thrombosis after cerebral vascular injury.

  5. Evidence for CP violation in B+ → ppK+ decays.

    Science.gov (United States)

    Aaij, R; Adeva, B; Adinolfi, M; Affolder, A; Ajaltouni, Z; Akar, S; Albrecht, J; Alessio, F; Alexander, M; Ali, S; Alkhazov, G; Alvarez Cartelle, P; Alves, A A; Amato, S; Amerio, S; Amhis, Y; An, L; Anderlini, L; Anderson, J; Andreassen, R; Andreotti, M; Andrews, J E; Appleby, R B; Aquines Gutierrez, O; Archilli, F; Artamonov, A; Artuso, M; Aslanides, E; Auriemma, G; Baalouch, M; Bachmann, S; Back, J J; Badalov, A; Baldini, W; Barlow, R J; Barschel, C; Barsuk, S; Barter, W; Batozskaya, V; Battista, V; Bay, A; Beaucourt, L; Beddow, J; Bedeschi, F; Bediaga, I; Belogurov, S; Belous, K; Belyaev, I; Ben-Haim, E; Bencivenni, G; Benson, S; Benton, J; Berezhnoy, A; Bernet, R; Bettler, M-O; van Beuzekom, M; Bien, A; Bifani, S; Bird, T; Bizzeti, A; Bjørnstad, P M; Blake, T; Blanc, F; Blouw, J; Blusk, S; Bocci, V; Bondar, A; Bondar, N; Bonivento, W; Borghi, S; Borgia, A; Borsato, M; Bowcock, T J V; Bowen, E; Bozzi, C; Brambach, T; van den Brand, J; Bressieux, J; Brett, D; Britsch, M; Britton, T; Brodzicka, J; Brook, N H; Brown, H; Bursche, A; Busetto, G; Buytaert, J; Cadeddu, S; Calabrese, R; Calvi, M; Calvo Gomez, M; Campana, P; Campora Perez, D; Carbone, A; Carboni, G; Cardinale, R; Cardini, A; Carson, L; Carvalho Akiba, K; Casse, G; Cassina, L; Castillo Garcia, L; Cattaneo, M; Cauet, Ch; Cenci, R; Charles, M; Charpentier, Ph; Chefdeville, M; Chen, S; Cheung, S-F; Chiapolini, N; Chrzaszcz, M; Ciba, K; Cid Vidal, X; Ciezarek, G; Clarke, P E L; Clemencic, M; Cliff, H V; Closier, J; Coco, V; Cogan, J; Cogneras, E; Collins, P; Comerma-Montells, A; Contu, A; Cook, A; Coombes, M; Coquereau, S; Corti, G; Corvo, M; Counts, I; Couturier, B; Cowan, G A; Craik, D C; Cruz Torres, M; Cunliffe, S; Currie, R; D'Ambrosio, C; Dalseno, J; David, P; David, P N Y; Davis, A; De Bruyn, K; De Capua, S; De Cian, M; De Miranda, J M; De Paula, L; De Silva, W; De Simone, P; Decamp, D; Deckenhoff, M; Del Buono, L; Déléage, N; Derkach, D; Deschamps, O; Dettori, F; Di Canto, A; Dijkstra, H; Donleavy, S; Dordei, F; Dorigo, M; Dosil Suárez, A; Dossett, D; Dovbnya, A; Dreimanis, K; Dujany, G; Dupertuis, F; Durante, P; Dzhelyadin, R; Dziurda, A; Dzyuba, A; Easo, S; Egede, U; Egorychev, V; Eidelman, S; Eisenhardt, S; Eitschberger, U; Ekelhof, R; Eklund, L; El Rifai, I; Elsasser, Ch; Ely, S; Esen, S; Evans, H-M; Evans, T; Falabella, A; Färber, C; Farinelli, C; Farley, N; Farry, S; Fay, Rf; Ferguson, D; Fernandez Albor, V; Ferreira Rodrigues, F; Ferro-Luzzi, M; Filippov, S; Fiore, M; Fiorini, M; Firlej, M; Fitzpatrick, C; Fiutowski, T; Fontana, M; Fontanelli, F; Forty, R; Francisco, O; Frank, M; Frei, C; Frosini, M; Fu, J; Furfaro, E; Gallas Torreira, A; Galli, D; Gallorini, S; Gambetta, S; Gandelman, M; Gandini, P; Gao, Y; García Pardiñas, J; Garofoli, J; Garra Tico, J; Garrido, L; Gaspar, C; Gauld, R; Gavardi, L; Gavrilov, G; Gersabeck, E; Gersabeck, M; Gershon, T; Ghez, Ph; Gianelle, A; Giani', S; Gibson, V; Giubega, L; Gligorov, V V; Göbel, C; Golubkov, D; Golutvin, A; Gomes, A; Gotti, C; Grabalosa Gándara, M; Graciani Diaz, R; Granado Cardoso, L A; Graugés, E; Graziani, G; Grecu, A; Greening, E; Gregson, S; Griffith, P; Grillo, L; Grünberg, O; Gui, B; Gushchin, E; Guz, Yu; Gys, T; Hadjivasiliou, C; Haefeli, G; Haen, C; Haines, S C; Hall, S; Hamilton, B; Hampson, T; Han, X; Hansmann-Menzemer, S; Harnew, N; Harnew, S T; Harrison, J; He, J; Head, T; Heijne, V; Hennessy, K; Henrard, P; Henry, L; Hernando Morata, J A; van Herwijnen, E; Heß, M; Hicheur, A; Hill, D; Hoballah, M; Hombach, C; Hulsbergen, W; Hunt, P; Hussain, N; Hutchcroft, D; Hynds, D; Idzik, M; Ilten, P; Jacobsson, R; Jaeger, A; Jalocha, J; Jans, E; Jaton, P; Jawahery, A; Jing, F; John, M; Johnson, D; Jones, C R; Joram, C; Jost, B; Jurik, N; Kaballo, M; Kandybei, S; Kanso, W; Karacson, M; Karbach, T M; Karodia, S; Kelsey, M; Kenyon, I R; Ketel, T; Khanji, B; Khurewathanakul, C; Klaver, S; Klimaszewski, K; Kochebina, O; Kolpin, M; Komarov, I; Koopman, R F; Koppenburg, P; Korolev, M; Kozlinskiy, A; Kravchuk, L; Kreplin, K; Kreps, M; Krocker, G; Krokovny, P; Kruse, F; Kucewicz, W; Kucharczyk, M; Kudryavtsev, V; Kurek, K; Kvaratskheliya, T; La Thi, V N; Lacarrere, D; Lafferty, G; Lai, A; Lambert, D; Lambert, R W; Lanfranchi, G; Langenbruch, C; Langhans, B; Latham, T; Lazzeroni, C; Le Gac, R; van Leerdam, J; Lees, J-P; Lefèvre, R; Leflat, A; Lefrançois, J; Leo, S; Leroy, O; Lesiak, T; Leverington, B; Li, Y; Likhomanenko, T; Liles, M; Lindner, R; Linn, C; Lionetto, F; Liu, B; Lohn, S; Longstaff, I; Lopes, J H; Lopez-March, N; Lowdon, P; Lu, H; Lucchesi, D; Luo, H; Lupato, A; Luppi, E; Lupton, O; Machefert, F; Machikhiliyan, I V; Maciuc, F; Maev, O; Malde, S; Malinin, A; Manca, G; Mancinelli, G; Maratas, J; Marchand, J F; Marconi, U; Marin Benito, C; Marino, P; Märki, R; Marks, J; Martellotti, G; Martens, A; Martín Sánchez, A; Martinelli, M

    2014-10-01

    Three-body B+ → ppK+ and B(+) → ppπ(+) decays are studied using a data sample corresponding to an integrated luminosity of 3.0 fb(-1) collected by the LHCb experiment in proton-proton collisions at center-of-mass energies of 7 and 8 TeV. Evidence of CP violation in the B(+) → ppK(+) decay is found in regions of the phase space, representing the first measurement of this kind for a final state containing baryons. Measurements of the forward-backward asymmetry of the light meson in the pp rest frame yield A(FB)(ppK(+),m(pp)<2.85 GeV/c(2)) = 0.495 ± 0.012 (stat) ± 0.007 (syst) and A(FB)(ppπ(+),m(pp) <2.85 GeV/c(2)) = -0.409 ± 0.033 (stat) ± 0.006 (syst). In addition, the branching fraction of the decay B(+) → Λ(1520)p is measured to be B(B(+) → Λ(1520)p) = (3.15 ± 0.48 (stat) ± 0.07 (syst) ± 0.26 (BF)) × 10(-7), where BF denotes the uncertainty on secondary branching fractions.

  6. PLA and PP Composite Nonwoven with Antimicrobial Activity for Filtration Applications

    Directory of Open Access Journals (Sweden)

    Marta Łatwińska

    2016-01-01

    Full Text Available The PLA (50% wt./PP (50% wt., PLA (47.5% wt./PP (47.5% wt./paraffin (5% wt., and PLA (47.25% wt./PP (47.25% wt./paraffin (5% wt./CuO·SiO2 (0.5% wt. composite nonwovens were obtained in one-step process by using the melt-blown technique. Thermal properties (by the DSC method, physicomechanical parameters, specific surface area, the structure (by the SEM method, the elemental analysis (by the EDS method, and susceptibility to hydrolytic degradation (in alkaline and neutral media were studied for all the obtained nonwovens. The antimicrobial properties of the composite nonwovens were determined by using dynamic contact conditions method, with three kinds of microorganisms applied. The DSC analysis of nonwovens revealed that the mixing of PLA and PP caused the decrease in homogeneity of both polymers, as well as a considerable increase in the PLA crystallization enthalpy. The paraffin and CuO·SiO2 addition to PLA/PP nonwoven generally improved the filtration properties and downgraded tensile strength. Among all the tested composite nonwovens, the PLA/PP/paraffin/CuO·SiO2 was the most and the PLA/PP/paraffin was the least susceptible to hydrolytic degradation in both media used in the study. The PLA/PP/paraffin/CuO·SiO2 composite nonwoven revealed strong antibacterial activity and slight activity against the yeast.

  7. Splitting function in pp and PbPb collisions at 5.02 TeV

    CERN Document Server

    CMS Collaboration

    2016-01-01

    splitting is observed to be modified towards a more imbalanced fraction in central PbPb collisions compared to peripheral PbPb and pp collisions. In addition, the measurement in pp collisions is compared to the prediction of the splitting function from the {\\tt PYTHIA} and {\\tt HERWIG} event generators.

  8. Two-graviton interaction in pp-wave background in Matrix theory and Supergravity

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Hok Kong E-mail: hok@theory.caltech.edu; Wu Xinkai E-mail: xinkaiwu@theory.caltech.edu

    2003-08-18

    We compute the two-body one-loop effective action for the Matrix theory in the pp-wave background, and compare it to the effective action on the Supergravity side in the same background. Agreement is found for the effective actions on both sides. This points to the existence of a supersymmetric nonrenormalization theorem in the pp-wave background.

  9. A K-sample Homogeneity Test based on the Quantification of the p-p Plot

    NARCIS (Netherlands)

    J. Hinloopen (Jeroen); R. Wagenvoort (Rien); J.G.M. van Marrewijk (Charles)

    2008-01-01

    textabstractWe propose a quantification of the p-p plot that assigns equal weight to all distances between the respective distributions: the surface between the p-p plot and the diagonal. This surface is labelled the Harmonic Weighted Mass (HWM) index. We introduce the diagonal-deviation (d-d) plot

  10. A K-sample Homogeneity Test based on the Quantification of the p-p Plot

    NARCIS (Netherlands)

    Hinloopen, Jeroen; Wagenvoort, Rien; Marrewijk, van Charles

    2008-01-01

    We propose a quantification of the p-p plot that assigns equal weight to all distances between the respective distributions: the surface between the p-p plot and the diagonal. This surface is labelled the Harmonic Weighted Mass (HWM) index. We introduce the diagonal-deviation (d-d) plot that allows

  11. Molecular mechanism and evolution of guanylate kinase regulation by (p)ppGpp.

    Science.gov (United States)

    Liu, Kuanqing; Myers, Angela R; Pisithkul, Tippapha; Claas, Kathy R; Satyshur, Kenneth A; Amador-Noguez, Daniel; Keck, James L; Wang, Jue D

    2015-02-19

    The nucleotide (p)ppGpp mediates bacterial stress responses, but its targets and underlying mechanisms of action vary among bacterial species and remain incompletely understood. Here, we characterize the molecular interaction between (p)ppGpp and guanylate kinase (GMK), revealing the importance of this interaction in adaptation to starvation. Combining structural and kinetic analyses, we show that (p)ppGpp binds the GMK active site and competitively inhibits the enzyme. The (p)ppGpp-GMK interaction prevents the conversion of GMP to GDP, resulting in GMP accumulation upon amino acid downshift. Abolishing this interaction leads to excess (p)ppGpp and defective adaptation to amino acid starvation. A survey of GMKs from phylogenetically diverse bacteria shows that the (p)ppGpp-GMK interaction is conserved in members of Firmicutes, Actinobacteria, and Deinococcus-Thermus, but not in Proteobacteria, where (p)ppGpp regulates RNA polymerase (RNAP). We propose that GMK is an ancestral (p)ppGpp target and RNAP evolved more recently as a direct target in Proteobacteria.

  12. ppGpp is the major source of growth rate control in E. coli.

    Science.gov (United States)

    Potrykus, Katarzyna; Murphy, Helen; Philippe, Nadège; Cashel, Michael

    2011-03-01

    It is widely accepted that the DNA, RNA and protein content of Enterobacteriaceae is regulated as a function of exponential growth rates; macromolecular content increases with faster growth regardless of specific composition of the growth medium. This phenomenon, called growth rate control, primarily involves regulation of ribosomal RNA and ribosomal protein synthesis. However, it was uncertain whether the global regulator ppGpp is the major determinant for growth rate control. Therefore, here we re-evaluate the effect of ppGpp on macromolecular content for different balanced growth rates in defined media. We find that when ppGpp is absent, RNA/protein and RNA/DNA ratios are equivalent in fast and slow growing cells. Moreover, slow growing ppGpp-deficient cells with increased RNA content, display a normal ribosomal subunit composition although polysome content is reduced when compared with fast growing wild-type cells. From this we conclude that growth rate control does not occur in the absence of ppGpp. Also, artificial elevation of ppGpp or introduction of stringent RNA polymerase mutants in ppGpp-deficient cells restores this control. We believe these findings strongly argue in favour of ppGpp and against redundant regulation of growth rate control by other factors in Escherichia coli and other enteric bacteria.

  13. ppGpp inhibits peptide elongation cycle of chloroplast translation system in vitro.

    Science.gov (United States)

    Nomura, Yuhta; Takabayashi, Taito; Kuroda, Hiroshi; Yukawa, Yasushi; Sattasuk, Kwanchanok; Akita, Mitsuru; Nozawa, Akira; Tozawa, Yuzuru

    2012-01-01

    Chloroplasts possess common biosynthetic pathways for generating guanosine 3',5'-(bis)pyrophosphate (ppGpp) from GDP and ATP by RelA-SpoT homolog enzymes. To date, several hypothetical targets of ppGpp in chloroplasts have been suggested, but they remain largely unverified. In this study, we have investigated effects of ppGpp on translation apparatus in chloroplasts by developing in vitro protein synthesis system based on an extract of chloroplasts isolated from pea (Pisum sativum). The chloroplast extracts showed stable protein synthesis activity in vitro, and the activity was sensitive to various types of antibiotics. We have demonstrated that ppGpp inhibits the activity of chloroplast translation in dose-effective manner, as does the toxic nonhydrolyzable GTP analog guanosine 5'-(β,γ-imido)triphosphate (GDPNP). We further examined polyuridylic acid-directed polyphenylalanine synthesis as a measure of peptide elongation activity in the pea chloroplast extract. Both ppGpp and GDPNP as well as antibiotics, fusidic acid and thiostrepton, inhibited the peptide elongation cycle of the translation system, but GDP in the similar range of the tested ppGpp concentration did not affect the activity. Our results thus show that ppGpp directly affect the translation system of chloroplasts, as they do that of bacteria. We suggest that the role of the ppGpp signaling system in translation in bacteria is conserved in the translation system of chloroplasts.

  14. Organometallic neptunium(III) complexes

    Science.gov (United States)

    Dutkiewicz, Michał S.; Farnaby, Joy H.; Apostolidis, Christos; Colineau, Eric; Walter, Olaf; Magnani, Nicola; Gardiner, Michael G.; Love, Jason B.; Kaltsoyannis, Nikolas; Caciuffo, Roberto; Arnold, Polly L.

    2016-08-01

    Studies of transuranic organometallic complexes provide a particularly valuable insight into covalent contributions to the metal-ligand bonding, in which the subtle differences between the transuranium actinide ions and their lighter lanthanide counterparts are of fundamental importance for the effective remediation of nuclear waste. Unlike the organometallic chemistry of uranium, which has focused strongly on UIII and has seen some spectacular advances, that of the transuranics is significantly technically more challenging and has remained dormant. In the case of neptunium, it is limited mainly to NpIV. Here we report the synthesis of three new NpIII organometallic compounds and the characterization of their molecular and electronic structures. These studies suggest that NpIII complexes could act as single-molecule magnets, and that the lower oxidation state of NpII is chemically accessible. In comparison with lanthanide analogues, significant d- and f-electron contributions to key NpIII orbitals are observed, which shows that fundamental neptunium organometallic chemistry can provide new insights into the behaviour of f-elements.

  15. Análisis de los compuestos volátiles de la ciruela amarilla (Prunus domestica L. ssp. domestica

    Directory of Open Access Journals (Sweden)

    Yineth Ruiz

    2011-06-01

    Full Text Available El aroma de las frutas se debe a los constituyentes volátiles presentes que, aunque se encuentran en muy bajas concentraciones, contribuyen al aroma global en grados muy diversos. Se hace necesario usar técnicas de aislamiento y concentración que garanticen el análisis de una composición química semejante a la de la fruta. Este trabajo tuvo como objetivo el análisis de los compuestos volátiles de la ciruela amarilla (Prunus domestica L. ssp.domestica por el método de evaporación del aroma asistida por solvente (SAFE. Este método utiliza un equipo de destilación conectado a una bomba de alto vacío que ofrece la posibilidad de aislar rápidamente compuestos volátiles sin daño térmico en diferentes matrices alimentarias. La separación e identificación de los compuestos volátiles se realizó por cromatografía de gases-espectrometría de masas (GC-MS. Se identificaron 47 compuestos (6,55 mg/kg de pulpa de fruta, entre ellos 14 alcoholes, 8 aldehídos, 7 ésteres, 5 cetonas, 4 ácidos carboxílicos, 4 hidrocarburos aromáticos, 3 lactonas, un compuesto azufrado y una hidroxicetona; 16 de ellos se informan por primera vez. El acetato de etilo (2,88 mg/kg, etanol (1 mg/kg y ácido octanoico (0,78 mg/kg fueron los constituyentes volátiles mayoritarios de esta variedad de ciruela.

  16. Análisis de los compuestos volátiles de la ciruela amarilla (Prunus domestica L. ssp. domestica

    Directory of Open Access Journals (Sweden)

    Yineth Ruiz

    2011-01-01

    Full Text Available El aroma de las frutas se debe a los constituyentes volátiles presentes que, aunque se encuentran en muy bajas concentraciones, contribuyen al aroma global en grados muy diversos. Se hace necesario usar técnicas de aislamiento y concentración que garanticen el análisis de una composición química semejante a la de la fruta. Este trabajo tuvo como objetivo el análisis de los compuestos volátiles de la ciruela amarilla (Prunus domestica L. ssp. domestica por el método de evaporación del aroma asistida por solvente (SAFE. Este método utiliza un equipo de destilación conectado a una bomba de alto vacío que ofrece la posibilidad de aislar rápidamente compuestos volátiles sin daño térmico en diferentes matrices alimentarias. La separación e identificación de los compuestos volátiles se realizó por cromatografía de gases-espectrometría de masas (GC-MS. Se identificaron 47 compuestos (6,55 mg/kg de pulpa de fruta, entre ellos 14 alcoholes, 8 aldehídos, 7 ésteres, 5 cetonas, 4 ácidos carboxílicos, 4 hidrocarburos aromáticos, 3 lactonas, un compuesto azufrado y una hidroxicetona; 16 de ellos se informan por primera vez. El acetato de etilo (2,88 mg/kg, etanol (1 mg/kg y ácido octanoico (0,78 mg/kg fueron los constituyentes volátiles mayoritarios de esta variedad de ciruela.

  17. Suggested Involvement of PP1/PP2A Activity and De Novo Gene Expression in Anhydrobiotic Survival in a Tardigrade, Hypsibius dujardini, by Chemical Genetic Approach.

    Directory of Open Access Journals (Sweden)

    Koyuki Kondo

    Full Text Available Upon desiccation, some tardigrades enter an ametabolic dehydrated state called anhydrobiosis and can survive a desiccated environment in this state. For successful transition to anhydrobiosis, some anhydrobiotic tardigrades require pre-incubation under high humidity conditions, a process called preconditioning, prior to exposure to severe desiccation. Although tardigrades are thought to prepare for transition to anhydrobiosis during preconditioning, the molecular mechanisms governing such processes remain unknown. In this study, we used chemical genetic approaches to elucidate the regulatory mechanisms of anhydrobiosis in the anhydrobiotic tardigrade, Hypsibius dujardini. We first demonstrated that inhibition of transcription or translation drastically impaired anhydrobiotic survival, suggesting that de novo gene expression is required for successful transition to anhydrobiosis in this tardigrade. We then screened 81 chemicals and identified 5 chemicals that significantly impaired anhydrobiotic survival after severe desiccation, in contrast to little or no effect on survival after high humidity exposure only. In particular, cantharidic acid, a selective inhibitor of protein phosphatase (PP 1 and PP2A, exhibited the most profound inhibitory effects. Another PP1/PP2A inhibitor, okadaic acid, also significantly and specifically impaired anhydrobiotic survival, suggesting that PP1/PP2A activity plays an important role for anhydrobiosis in this species. This is, to our knowledge, the first report of the required activities of signaling molecules for desiccation tolerance in tardigrades. The identified inhibitory chemicals could provide novel clues to elucidate the regulatory mechanisms underlying anhydrobiosis in tardigrades.

  18. Suggested Involvement of PP1/PP2A Activity and De Novo Gene Expression in Anhydrobiotic Survival in a Tardigrade, Hypsibius dujardini, by Chemical Genetic Approach.

    Science.gov (United States)

    Kondo, Koyuki; Kubo, Takeo; Kunieda, Takekazu

    2015-01-01

    Upon desiccation, some tardigrades enter an ametabolic dehydrated state called anhydrobiosis and can survive a desiccated environment in this state. For successful transition to anhydrobiosis, some anhydrobiotic tardigrades require pre-incubation under high humidity conditions, a process called preconditioning, prior to exposure to severe desiccation. Although tardigrades are thought to prepare for transition to anhydrobiosis during preconditioning, the molecular mechanisms governing such processes remain unknown. In this study, we used chemical genetic approaches to elucidate the regulatory mechanisms of anhydrobiosis in the anhydrobiotic tardigrade, Hypsibius dujardini. We first demonstrated that inhibition of transcription or translation drastically impaired anhydrobiotic survival, suggesting that de novo gene expression is required for successful transition to anhydrobiosis in this tardigrade. We then screened 81 chemicals and identified 5 chemicals that significantly impaired anhydrobiotic survival after severe desiccation, in contrast to little or no effect on survival after high humidity exposure only. In particular, cantharidic acid, a selective inhibitor of protein phosphatase (PP) 1 and PP2A, exhibited the most profound inhibitory effects. Another PP1/PP2A inhibitor, okadaic acid, also significantly and specifically impaired anhydrobiotic survival, suggesting that PP1/PP2A activity plays an important role for anhydrobiosis in this species. This is, to our knowledge, the first report of the required activities of signaling molecules for desiccation tolerance in tardigrades. The identified inhibitory chemicals could provide novel clues to elucidate the regulatory mechanisms underlying anhydrobiosis in tardigrades.

  19. Evaluation of the effect of the incorporation of rubber tire waste particles on the properties of PP, HIPS and PP/HIPS matrices

    Directory of Open Access Journals (Sweden)

    Larissa Stieven Montagna

    2013-01-01

    Full Text Available In recent years, the consumption of plastics has been increasing and as consequence, the waste generated has also increased. Rubber tire (RT waste is another residue which causes significant problems to society. In view of the considerable amounts of RT waste generated, this study aimed to evaluate the influence of the incorporation of RT particles into post-consumer thermoplastic matrices such as polypropylene (PP, high impact polystyrene (HIPS and PP/HIPS blends and the modification of the physical, morphological, rheological and mechanical properties. The particle sizes of the RT used were <500 and 500-1000 μm. The RT content was 10% w/w and the weight ratio for the PP/HIPS blend was 4/1, with processing by injection molding. The results showed that the smaller (500 μm particle size led to a decrease in the melt flow rate (MFR of the PP/RT composites (increased viscosity and an increase for the HIPS/RT composites. On the other hand, the larger particles (1000 μm led to a decrease in the mechanical performance of the PP/RT and HIPS/RT blends when compared with the neat polymers (PP and HIPS post-consumer. The observed decrease in the mechanical properties of these composites was due to weak filler/matrix interactions, which can be visualized in images by scanning electron microscopy (SEM of the fracture surface after tensile testing.

  20. 微发泡PP/云母粉复合材料的发泡行为%Foaming Behavior of Microfoam PP/Mica Composite

    Institute of Scientific and Technical Information of China (English)

    龚维; 丁彤; 何颖; 朱建华; 何力

    2011-01-01

    采用化学发泡法,以异相成核理论为基础,研究不同含量云母粉对PP/云母粉复合材料发泡行为的影响,制备了微发泡PP/云母粉复合材料.结果表明:随云母粉含量的增加,泡孔平均直径逐渐减小,泡孔密度逐渐增加.云母粉质量含量为8%时,可得到泡孔直径22.1 μm左右、泡孔密度接近2.7×107的微发泡聚丙烯材料,可以作为聚丙烯发泡的良好发泡体系.%Effect of different content mica on foaming behavior of microfoam PP/Mica composite was studied by heterogeneous nucleation theory.Microfoam PP/Mica composite was prepared.The results indicated that with the increasing of mica content, cell diameter decreased gradually, cell density increased gradually.The polypropylene foam with cells about 22.1 μm in size and cell density of near 2.7 × 107cells/cm3 was produced by the use of PP/mica foaming system with 8wt % content,there was ideal foaming system in PP composite.

  1. Suggested Involvement of PP1/PP2A Activity and De Novo Gene Expression in Anhydrobiotic Survival in a Tardigrade, Hypsibius dujardini, by Chemical Genetic Approach

    Science.gov (United States)

    Kondo, Koyuki; Kubo, Takeo; Kunieda, Takekazu

    2015-01-01

    Upon desiccation, some tardigrades enter an ametabolic dehydrated state called anhydrobiosis and can survive a desiccated environment in this state. For successful transition to anhydrobiosis, some anhydrobiotic tardigrades require pre-incubation under high humidity conditions, a process called preconditioning, prior to exposure to severe desiccation. Although tardigrades are thought to prepare for transition to anhydrobiosis during preconditioning, the molecular mechanisms governing such processes remain unknown. In this study, we used chemical genetic approaches to elucidate the regulatory mechanisms of anhydrobiosis in the anhydrobiotic tardigrade, Hypsibius dujardini. We first demonstrated that inhibition of transcription or translation drastically impaired anhydrobiotic survival, suggesting that de novo gene expression is required for successful transition to anhydrobiosis in this tardigrade. We then screened 81 chemicals and identified 5 chemicals that significantly impaired anhydrobiotic survival after severe desiccation, in contrast to little or no effect on survival after high humidity exposure only. In particular, cantharidic acid, a selective inhibitor of protein phosphatase (PP) 1 and PP2A, exhibited the most profound inhibitory effects. Another PP1/PP2A inhibitor, okadaic acid, also significantly and specifically impaired anhydrobiotic survival, suggesting that PP1/PP2A activity plays an important role for anhydrobiosis in this species. This is, to our knowledge, the first report of the required activities of signaling molecules for desiccation tolerance in tardigrades. The identified inhibitory chemicals could provide novel clues to elucidate the regulatory mechanisms underlying anhydrobiosis in tardigrades. PMID:26690982

  2. Antithrombin III and the nephrotic syndrome.

    Science.gov (United States)

    Jørgensen, K A; Stoffersen, E

    1979-05-01

    Plasma and urinary antithrombin III (AT-III) was measured in 15 cases of nephrotic syndrome. Plasma AT-III correlated well with serum albumin, but poorly with proteinuria, whereas urinary AT-III correlated well to proteinuria. The plasma AT-III level had a mean similar to 25 healthy controls, but the range was significantly wider. A case with nephrotic syndrome and left renal vein thrombosis is reported. The urinary output of AT-III rose and the plasma level fell with the activity of the disease. Although AT-III and albumin have similar molecule weight, their renal clearance was found to be different. It is suggested that urinary loss of AT-III plays a role in the hypercoagulable state sometimes found in the nephrotic syndrome.

  3. The Many Worlds of Hugh Everett III

    CERN Document Server

    ,

    2011-01-01

    A review of Peter Byrne's biography of Hugh Everett III, "The Many Worlds of Hugh Everett III: Multiple Universes, Mutual Assured Destruction, and the Meltdown of a Nuclear Family", (Oxford University Press, 2010).

  4. Manifestation of the $P$-wave diproton resonance in single-pion production in $pp$ collisions

    CERN Document Server

    Platonova, M N

    2016-01-01

    It is demonstrated that many important features of single-pion production in $pp$ collisions at intermediate energies ($T_p \\simeq 400$-$800$ MeV) can naturally be explained by supposing excitation of intermediate diproton resonances in $pp$ channels ${}^1D_2$, ${}^3F_3$ and ${}^3P_2$, in addition to conventional mechanisms involving an intermediate $\\Delta$-isobar. We predict for the first time the crucial role of the ${}^3P_2$ diproton resonance, found in recent experiments on the single-pion production reaction $pp \\to pp({}^1S_0) \\pi^0$, in reproducing the proper behavior of spin-correlation parameters in the reaction $pp \\to d \\pi^+$ which were poorly described by conventional meson-exchange models to date. The possible quark structure of the $P$-wave diproton resonances is also discussed.

  5. Additional diterpenes from Physcomitrella patens synthesized by copalyl diphosphate/kaurene synthase (PpCPS/KS).

    Science.gov (United States)

    Zhan, Xin; Bach, Søren Spanner; Hansen, Nikolaj Lervad; Lunde, Christina; Simonsen, Henrik Toft

    2015-11-01

    The bifunctional diterpene synthase, copalyl diphosphate/kaurene synthase from the moss Physcomitrella patens (PpCPS/KS), catalyses the formation of at least four diterpenes, including ent-beyerene, ent-sandaracopimaradiene, ent-kaur-16-ene, and 16-hydroxy-ent-kaurene. The enzymatic activity has been confirmed through generation of a targeted PpCPS/KS knock-out mutant in P. patens via homologous recombination, through transient expression of PpCPS/KS in Nicotiana benthamiana, and expression of PpCPS/KS in E. coli. GC-MS analysis of the knock-out mutant shows that it lacks the diterpenoids, supporting that all are products of PpCPS/KS as observed in N. benthamiana and E. coli. These results provide additional knowledge of the mechanism of this bifunctional diterpene synthase, and are in line with proposed reaction mechanisms in kaurene biosynthesis.

  6. Development, structure and strength properties of PP/PMMA/FA blends

    Indian Academy of Sciences (India)

    Navin Chand; S R Vashishtha

    2000-04-01

    A new type of flyash filled PP/PMMA blend has been developed. Structural and thermal properties of flyash (FA) filled polypropylene (PP)/polymethyl methacrylate (PMMA) blend system have been determined and analysed. Filled polymer blends were developed on a single screw extruder. Strength and thermal properties of FA filled and unfilled PP/PMMA blends were determined. Addition of flyash imparted dimensional and thermal stability, which has been observed in scanning electron micrographs and in TGA plot. Increase of flyash concentration increased the initial degradation temperature of PP/PMMA blend. The increase of thermal stability has been explained based on increased mechanical interlocking of PP/PMMA chains inside the hollow structure of flyash.

  7. Characterization of cDNA encoding human placental anticoagulant protein (PP4): Homology with the lipocortin family

    Energy Technology Data Exchange (ETDEWEB)

    Grundmann, U.; Abel, K.J.; Bohn, H.; Loebermann, H.; Lottspeich, F.; Kuepper, H. (Research Institutes, Postfach (West Germany))

    1988-06-01

    A cDNA library prepared from human placenta was screened for sequences encoding the placental protein 4 (PP4). PP4 is an anticoagulant protein that acts as an indirect inhibitor of the thromboplastin-specific complex, which is involved in the blood coagulation cascade. Partial amino acid sequence information from PP4-derived cyanogen bromide fragments was used to design three oligonucleotide probes for screening the library. From 10{sup 6} independent recombinants, 18 clones were identified that hybridized to all three probes. These 18 recombinants contained cDNA inserts encoding a protein of 320 amino acid residues. In addition to the PP4 cDNA the authors identified 9 other recombinants encoding a protein with considerable similarity (74%) to PP4, which was termed PP4-X. PP4 and PP4-X belong to the lipocortin family, as judged by their homology to lipocortin I and calpactin I.

  8. pp-wave matrix models from point-like gravitons

    Energy Technology Data Exchange (ETDEWEB)

    Lozano, Y. [Departamento de Fisica, Universidad de Oviedo, Av. Calvo Sotelo 18, 33007 Oviedo (Spain); Rodriguez-Gomez, D. [Department of Physics, Princeton University, Princeton, NJ 08540 (United States)

    2007-05-15

    The BFSS Matrix model can be regarded as a theory of coincident M-theory gravitons. In this spirit, we summarize how using the action for coincident gravitons proposed in hep-th/0207199 it is possible to go beyond the linear order approximation of Kabat and Taylor, and to provide a satisfactory microscopical description of giant gravitons in AdS{sub m} x S{sup n} backgrounds. We then show that in the M-theory maximally supersymmetric pp-wave background, the action for coincident gravitons, besides reproducing the BMN Matrix model, predicts a new quadrupolar coupling to the M-theory 6-form potential, which supports the so far elusive fuzzy 5-sphere giant graviton solution. Finally, we discuss similar Matrix models that can be derived in Type II string theories using dualities. (Abstract Copyright [2007], Wiley Periodicals, Inc.)

  9. Pp-wave Matrix Models from Point-like Gravitons

    CERN Document Server

    Lozano, Y; Lozano, Yolanda; Rodriguez-Gomez, Diego

    2007-01-01

    The BFSS Matrix model can be regarded as a theory of coincident M-theory gravitons. In this spirit, we summarize how using the action for coincident gravitons proposed in hep-th/0207199 it is possible to go beyond the linear order approximation of Kabat and Taylor, and to provide a satisfactory microscopical description of giant gravitons in $AdS_m\\times S^n$ backgrounds. We then show that in the M-theory maximally supersymmetric pp-wave background, the action for coincident gravitons, besides reproducing the BMN Matrix model, predicts a new quadrupolar coupling to the M-theory 6-form potential, which supports the so far elusive fuzzy 5-sphere giant graviton solution. Finally, we discuss similar Matrix models that can be derived in Type II string theories using dualities.

  10. VII Workshop Italiano sulla fisica pp a LHC

    Science.gov (United States)

    LHCpp2016 è la settima edizione dell'incontro nazionale sulla fisica p-p a LHC. Questa serie di incontri è nata a Pisa nel 2003 con lo scopo di stimolare lo scambio di idee tra le comunità sperimentali di ATLAS, CMS e LHCB e la comunità teorica. Caratteristica fondamentale di questi incontri è la preparazione di larga parte dei talk in collaborazione tra i vari esperimenti e la comunità teorica. Largo spazio nella preparazione e presentazione dei talk viene dato ai giovani ricercatori. In questa settima edizione, che si tiene di nuovo a Pisa, vogliamo concentrare l'attenzione sulle potenzialità di scoperta offerte dai dati raccolti durante il runII di LHC.

  11. CCK, PYY and PP: the control of energy balance.

    Science.gov (United States)

    Simpson, K; Parker, J; Plumer, J; Bloom, S

    2012-01-01

    The control of food intake consists of neural and hormonal signals between the gut and central nervous system (CNS). Gut hormones such as CCK, PYY and PP signal to important areas in the CNS involved in appetite regulation to terminate a meal. These hormones can act directly via the circulation and activate their respective receptors in the hypothalamus and brainstem. In addition, gut vagal afferents also exist, providing an alternative pathway through which gut hormones can communicate with higher centres through the brainstem. Animal and human studies have demonstrated that peripheral administration of certain gut hormones reduces food intake and leads to weight loss. Gut hormones are therefore potential targets in the development of novel treatments for obesity and analogue therapies are currently under investigation.

  12. Bose-Einstein correlations in pp annihilations at rest

    Energy Technology Data Exchange (ETDEWEB)

    Adler, R.; Alhalel, T.; Angelopoulos, A.; Apostolakis, A.; Aslanides, E.; Backenstoss, G.; Bee, C.P.; Behnke, O.; Bennet, J.; Bertin, V.; Bienlein, J.K.; Bloch, P.; Bula, C.; Carlson, P.; Carvalho, J.; Cawley, E.; Charalambous, S.; Chardalas, M.; Chardin, G.; Chertok, M.B.; Danielsson, M.; Cody, A.; Dedoussis, S.; Dejardin, M.; Derre, J.; Dodgson, M.; Dousse, J.C.; Duclos, J.; Ealet, A.; Eckart, B.; Eleftheriadis, C.; Evangelou, I.; Faravel, L.; Fassnacht, P.; Faure, J.L.; Felder, C.; Ferreira-Marques, R.; Fetscher, W.; Fidecaro, M.; Filipcic, A.; Francis, D.; Fry, J.; Fuglesang, C.; Gabathuler, E.; Gamet, R.; Garreta, D.; Geralis, T.; Gerber, H.J.; Go, A.; Gumplinger, P.; Guyot, C.; Harrison, P.F.; Haselden, A.; Hayman, P.J.; Henry-Couannier, F.; Heyes, W.G.; Hollander, R.W.; Jansson, K.; Johner, H.U.; Jon-And, K.; Kerek, A.; Kern, J.; Kettle, P.R.; Kochowski, C.; Kokkas, P.; Kreuger, R.; Lawry, T.; Gac, R. le; Liolios, A.; Machado, E.; Maley, P.; Mandic, I.; Manthos, N.; Marel, G.; M; CPLEAR Collaboration

    1994-09-01

    Two-charged-pion correlations were studied in pp ([yields] 2[pi][sup +]2[pi][sup -] n[pi][sup 0], n [>=] 0) annihilations at rest with the CPLEAR detector at the Low-Energy Antiproton Ring (LEAR). A strong enhancement was found in the production of pairs of like-sign pions with a small value of the relative four-momentum Q, with respect to pairs of unlike-sign pions. The observed enhancement was interpreted as a consequence of the Bose-Einstein symmetrization of the twopion wave function. The data are well represented by a correlation function parametrized as a double-Gaussian; an exponential parametrization is also statistically acceptable. The value of the correlation strength is found to be > 1. The high-quality large data samples together with the ability for K[sup [+-

  13. Rheological and thermal properties of PP-based WPC

    Science.gov (United States)

    Mazzanti, V.; Mollica, F.; El Kissi, N.

    2014-05-01

    Wood Plastic Composite (WPC) has attracted great interest in outdoor building products for the reduced cost and the possibility of using recycled materials. Nevertheless the material shows two problems: the large viscosity due to the presence of high concentrations of filler and the degradation of cellulose during processing The aim of this work was to investigate the rheological and thermal properties of WPC. The material used for the experiments was a commercial PP-based WPC compound, with different concentrations of natural fibers (30, 50, 70% wt.). The thermal properties were studied to check for degradation of natural fibers during the subsequent rheological tests. Analyzing the storage and loss moduli and the complex viscosity curves obtained using a parallel plate rheometer it was possible to observe some features related to the viscoelastic nature of the composite.

  14. Functionalized 2PP structures for the BioPhotonics Workstation

    DEFF Research Database (Denmark)

    Matsuoka, Tomoyo; Nishi, Masayuki; Sakakura, Masaaki

    2011-01-01

    In its standard version, our BioPhotonics Workstation (BWS) can generate multiple controllable counter-propagating beams to create real-time user-programmable optical traps for stable three-dimensional control and manipulation of a plurality of particles. The combination of the platform with micr......In its standard version, our BioPhotonics Workstation (BWS) can generate multiple controllable counter-propagating beams to create real-time user-programmable optical traps for stable three-dimensional control and manipulation of a plurality of particles. The combination of the platform...... with microstructures fabricated by two-photon polymerization (2PP) can lead to completely new methods to communicate with micro- and nano-sized objects in 3D and potentially open enormous possibilities in nano-biophotonics applications. In this work, we demonstrate that the structures can be used as microsensors...

  15. Effect of compatibilizer on non-isothermal crystallization kinetics of PP/r-PET blends%增容剂对PP/r-PET共混物非等温结晶动力学的影响

    Institute of Scientific and Technical Information of China (English)

    周红军; 卢永乐; 何桂銮

    2013-01-01

    The effect of the compatibilizer of glycidyl methacrylate-grafted polypropylene (PP-g-GMA) on the non-isothermal crystallization kinetics of polypropylene (PP)/recycled polyethylene terephthalate (r-PET) blend were investigated by differential scanning calorimetry. The results showed that r-PET had a heterogeneous nucleation effect in PP/r-PET blend system, resulting in an elevation of PP crystallization peak temperature and a decrease in the half-crystallization time of the blend system ; the addition of PP-g-GMA decreased the crystallization temperature of PP/r-PET and increased the half-crstallization time, but depressed the crystallization activation energy of PP.%采用差示扫描量热法研究了增容剂甲基丙烯酸缩水甘油酯接枝聚丙烯(PP-g-GMA)对聚丙烯(PP)/回收聚对苯二甲酸乙二酯(r-PET)共混物的非等温结晶动力学的影响.结果表明:在PP/r-PET共混体系中,r-PET起到异相成核的作用,PP的结晶峰温升高,半结晶时间减少;增容剂PP-g-GMA的加入使PP/r-PET的结晶温度降低,半结晶时间增大,但降低了PP的结晶活化能.

  16. Biochemical analyses of ppGpp effect on adenylosuccinate synthetases, key enzymes in purine biosynthesis in rice.

    Science.gov (United States)

    Nomura, Yuhta; Nozawa, Akira; Tozawa, Yuzuru

    2014-01-01

    The ppGpp-signaling system functions in plant chloroplasts. In bacteria, a negative effect of ppGpp on adenylosuccinate synthetase (AdSS) has been suggested. Our biochemical analysis also revealed rice AdSS homologs are apparently sensitive to ppGpp. However, further investigation clarified that this phenomenon is cancelled by the high substrate affinity to the enzymes, leading to a limited effect of ppGpp on adenylosuccinate synthesis.

  17. 75 FR 78705 - Issuance of Exposure Drafts on Implementation Guidance on the Accounting for the Disposal of G-PP...

    Science.gov (United States)

    2010-12-16

    ... G-PP&E and Implementation Guidance for Estimating the Historical Cost of G-PP&E AGENCY: Federal... Historical Cost of G- PP&E. The Exposure Drafts are available on the FASAB home page http://www.fasab.gov... From the Federal Register Online via the Government Publishing Office FEDERAL ACCOUNTING...

  18. Fabrication of borassus fruit lignocellulose fiber/PP composites and comparison with jute, sisal and coir fibers.

    Science.gov (United States)

    Sudhakara, P; Jagadeesh, Dani; Wang, YiQi; Prasad, C Venkata; Devi, A P Kamala; Balakrishnan, G; Kim, B S; Song, J I

    2013-10-15

    Novel composites based on borassus fruit fine fiber (BFF) and polypropylene (PP) were fabricated with variable fiber composition (5, 10, 15 and 20 wt%) by injection molding. Maleated PP (MAPP) was also used as compatibilizer at 5 wt% for effective fiber-matrix adhesion. FTIR analysis confirms the evidence of a chemical bonding between the fiber and polymeric matrix through esterification in presence of MAPP. The tensile and flexural properties were found to increase with 15 and 10 wt% fiber loadings respectively, and decreased thereafter. Coir, jute and sisal fiber composites were also fabricated with 15 wt% fiber loading under the same conditions as used for BFF/PP composites. It was found that the mechanical properties of BFF (15 wt%)/PP composites were equivalent to jute/PP, sisal/PP and superior to coir/PP composites. Jute/PP and sisal/PP composites showed higher water absorption than BFF/PP and coir/PP composites. These results have demonstrated that the BFF/PP composites can also be an alternative material for composites applications. Copyright © 2013 Elsevier Ltd. All rights reserved.

  19. Plasma enhanced modification of TMP fiber and its effect on tensile strength of wood fiber/PP composite

    Science.gov (United States)

    Sangyeob Lee; Todd F. Shupe; Chung Y. Hse

    2009-01-01

    Plasma-assisted surface treatment on thermomechanical pulp (TMP) fiber and polypropylene (PP) film was investigated to obtain interfacial adhesion at the wood fiber and PP interface. A metal plate between electrodes prevented thermal damage to the TMP fiber handsheets and PP film. Oxygen-plasma treatment provided better surface activation on the TMP fiber and...

  20. 78 FR 19194 - P&P Computers, 2531 West Maryland Avenue, Tampa, FL 33629; Order Denying Export Privileges

    Science.gov (United States)

    2013-03-29

    ... Bureau of Industry and Security P&P Computers, 2531 West Maryland Avenue, Tampa, FL 33629; Order Denying... Division, P&P Computers (``P&P'') was convicted of violating the International Emergency Economic Powers... IEEPA and the Iranian Transactions Regulations by exporting computer and related equipment from...

  1. Research on Melt Rheological Properties of PP/PET Blends%PP/PEG共混体系熔体流变性能研究

    Institute of Scientific and Technical Information of China (English)

    迟长龙; 于翔; 李静静; 徐玲

    2013-01-01

    Polypropylene/polyethylene glycol (PP/PEG) blend was prepared through melting extrusion with PEG as antistatic agents in different proportions. The Theological properties of PP/PEG were analyzed by using rheometer, and the influencing factors on the melt rheological properties of blends, such as the shear rate, concentration of PEG, temperature and so on, were researched. The results show that: PP/PEG blends are the typical pseudoplastic fluid; with the increase of content of PEG, the non-newtonian index increases firstly and then decreases; the value of the viscous flow activation energy increases with increasing the content of the antistatic agent. With the increase of PEG content, the structural viscosity index shows a trend of decreases firstly and then increases. And at the PEG 6% content of PP, the spinnability of the blends is better.%以聚乙二醇(PEG)为抗静电剂,在不同共混比例下与聚丙烯(PP)熔融挤出,用流变仪分析了PP/PEG二元共混体系的流变性能,并深入研究了剪切速率、温度、PEG含量等因素对共混体系熔体流变性能的影响.结果表明:PP/PEG共混体系为典型的假塑性流体;随着PEG含量的增加,非牛顿指数n先增大后减小;黏流活化能随PEG含量的增加而增加;结构黏度指数△η则随PEG含量的增加先减小后增大,且在PEG含量为6%时达到极小值,此时共混体系的可纺性相对较好.

  2. Optical properties of the Eu(III)-La(III)-complex-doped polyolefine film and rod samples

    Science.gov (United States)

    Pogreb, Roman; Popov, Oleg; Lirtsman, Vlad; Pyshkin, Oleg; Kazachkov, Alexander; Musin, Albina; Finkelshtein, Binyamin; Shmukler, Yuri; Davidov, Dan; Bormashenko, Edward

    2005-04-01

    The work is devoted to luminescent properties of trivalent lanthanide complexes dispersed in thermoplastic host matrices. Polyethylene-based film and polypropylene-based rod both doped with these complexes were manufactured using an extrusion technique. Two kinds of dopants were used: Eu(III)-thenoyltrifluoroacetone-1,10-phenanthroline complex (Eu(III)) and Eu(III)-La(III)-1,10-phenanthroline complex (Eu(III)-La(III)). Comparison was made between these samples regarding absorption, excitation, emission and a lifetime of luminescence. Dependence of emission intensity on the excitation energy was determined. Emission spectra of the films were studied at room and helium temperatures. Optical properties of Eu(III) samples are different from Eu(III)-La(III) samples. Significant difference in spectra of these two types of samples may be attributed to the La(III) action.

  3. Development of demographic norms for four new WAIS-III/WMS-III indexes.

    Science.gov (United States)

    Lange, Rael T; Chelune, Gordon J; Taylor, Michael J; Woodward, Todd S; Heaton, Robert K

    2006-06-01

    Following the publication of the third edition Wechsler scales (i.e., WAIS-III and WMS-III), demographically corrected norms were made available in the form of a computerized scoring program (i.e., WAIS-III/WMS-III/WIAT-II Scoring Assistant). These norms correct for age, gender, ethnicity, and education. Since then, four new indexes have been developed: the WAIS-III General Ability Index, the WMS-III Delayed Memory Index, and the two alternate Immediate and Delayed Memory Indexes. The purpose of this study was to develop demographically corrected norms for the four new indexes using the standardization sample and education oversample from the WAIS-III and WMS-III. These norms were developed using the same methodology as the demographically corrected norms made available in the WAIS-III/WMS-III/WIAT-II Scoring Assistant.

  4. 'tomo_display' and 'vol_tools': IDL VM Packages for Tomography Data Reconstruction, Processing, and Visualization

    Science.gov (United States)

    Rivers, M. L.; Gualda, G. A.

    2009-05-01

    One of the challenges in tomography is the availability of suitable software for image processing and analysis in 3D. We present here 'tomo_display' and 'vol_tools', two packages created in IDL that enable reconstruction, processing, and visualization of tomographic data. They complement in many ways the capabilities offered by Blob3D (Ketcham 2005 - Geosphere, 1: 32-41, DOI: 10.1130/GES00001.1) and, in combination, allow users without programming knowledge to perform all steps necessary to obtain qualitative and quantitative information using tomographic data. The package 'tomo_display' was created and is maintained by Mark Rivers. It allows the user to: (1) preprocess and reconstruct parallel beam tomographic data, including removal of anomalous pixels, ring artifact reduction, and automated determination of the rotation center, (2) visualization of both raw and reconstructed data, either as individual frames, or as a series of sequential frames. The package 'vol_tools' consists of a series of small programs created and maintained by Guilherme Gualda to perform specific tasks not included in other packages. Existing modules include simple tools for cropping volumes, generating histograms of intensity, sample volume measurement (useful for porous samples like pumice), and computation of volume differences (for differential absorption tomography). The module 'vol_animate' can be used to generate 3D animations using rendered isosurfaces around objects. Both packages use the same NetCDF format '.volume' files created using code written by Mark Rivers. Currently, only 16-bit integer volumes are created and read by the packages, but floating point and 8-bit data can easily be stored in the NetCDF format as well. A simple GUI to convert sequences of tiffs into '.volume' files is available within 'vol_tools'. Both 'tomo_display' and 'vol_tools' include options to (1) generate onscreen output that allows for dynamic visualization in 3D, (2) save sequences of tiffs to disk

  5. A Phytophthora infestans RXLR effector targets plant PP1c isoforms that promote late blight disease.

    Science.gov (United States)

    Boevink, Petra C; Wang, Xiaodan; McLellan, Hazel; He, Qin; Naqvi, Shaista; Armstrong, Miles R; Zhang, Wei; Hein, Ingo; Gilroy, Eleanor M; Tian, Zhendong; Birch, Paul R J

    2016-01-29

    Plant pathogens deliver effectors to alter host processes. Knowledge of how effectors target and manipulate host proteins is critical to understand crop disease. Here, we show that in planta expression of the RXLR effector Pi04314 enhances leaf colonization by Phytophthora infestans via activity in the host nucleus and attenuates induction of jasmonic and salicylic acid-responsive genes. Pi04314 interacts with three host protein phosphatase 1 catalytic (PP1c) isoforms, causing their re-localization from the nucleolus to the nucleoplasm. Re-localization of PP1c-1 also occurs during infection and is dependent on an R/KVxF motif in the effector. Silencing the PP1c isoforms or overexpression of a phosphatase-dead PP1c-1 mutant attenuates infection, demonstrating that host PP1c activity is required for disease. Moreover, expression of PP1c-1mut abolishes enhanced leaf colonization mediated by in planta Pi04314 expression. We argue that PP1c isoforms are susceptibility factors forming holoenzymes with Pi04314 to promote late blight disease.

  6. [Two-photon excitation fluorescence of 5-ALA induced PpIX in DHL cells].

    Science.gov (United States)

    Huang, Zu-Fang; Chen, Rong; Li, Yong-Zeng; Chen, Guan-Nan; Chen, Xian-Ling; Feng, Shang-Yuan; Jia, Pei-Min

    2008-11-01

    Two-photon fluorescence microscopy is a novel imaging technique, which is primarily sensitive to a specimen's response coming from an in-focus plane, thus has low photo-bleaching and photo-damage to biological samples. 5-ALA induced production of PpIX in DHL cells was excited by 820 nm femtosecond laser; two-photon excitation fluorescence of single cell was obtained in Lambda mode of laser scanning confocal microscope. The specific fluorescence intensity of PpIX which accumulated in DHL cells was measured at 2, 4 and 10 mmol x L(-1) concentration of 5-ALA with different incubation time, which reflected the kinetics of 5-ALA accumulated in DHL cells. Accumulation of PpIX in DHL cells was a dynamic change process. Biphasic alterations of PpIX accumulation were noted: PpIX content enhanced with the increasing time and reached the maximal value around 3 h, however PpIX content decreased in the subsequent incubation time. Results indicate that two-photon fluorescence based on laser scanning microscope can be a useful technology for studying the kinetics of 5-ALA induced PpIX production in DHL cells and other leukemia cells.

  7. Group A PP2Cs evolved in land plants as key regulators of intrinsic desiccation tolerance.

    Science.gov (United States)

    Komatsu, Kenji; Suzuki, Norihiro; Kuwamura, Mayuri; Nishikawa, Yuri; Nakatani, Mao; Ohtawa, Hitomi; Takezawa, Daisuke; Seki, Motoaki; Tanaka, Maho; Taji, Teruaki; Hayashi, Takahisa; Sakata, Yoichi

    2013-01-01

    Vegetative desiccation tolerance is common in bryophytes, although this character has been lost in most vascular plants. The moss Physcomitrella patens survives complete desiccation if treated with abscisic acid (ABA). Group A protein phosphatases type 2C (PP2C) are negative regulators of abscisic acid signalling. Here we show that the elimination of Group A PP2C is sufficient to ensure P. patens survival to full desiccation, without ABA treatment, although its growth is severely hindered. Microarray analysis shows that the Group A PP2C-regulated genes exclusively overlap with genes exhibiting a high level of ABA induction. Group A PP2C disruption weakly affects ABA-activated kinase activity, indicating Group A PP2C action downstream of these kinases in the moss. We propose that Group A PP2C emerged in land plants to repress desiccation tolerance mechanisms, possibly facilitating plants propagation on land, whereas ABA releases the intrinsic desiccation tolerance from Group A PP2C regulation.

  8. The Study on Mechanical Properties of PP/POE Blends and PP/POE/Nano-CaCO3 Composites%PP/POE共混体系及PP/POE/Nano-CaCO3复合体系力学性能的研究

    Institute of Scientific and Technical Information of China (English)

    梁基照; 马文勇

    2010-01-01

    应用双螺杆挤出机制备了聚丙烯(PP)/聚烯烃弹性体(POE)共混体系和PP/POE/纳米碳酸钙(nano CaCO3)复合体系,研究了POE用量及nano-CaCO3对PP冲击性能、拉伸性能及弯曲性能的影响.结果表明,随着POE用量的增加,PP/POE共混体系及PP/POE/nano-CaCO3复合体系的冲击强度明显增加;拉伸强度及拉伸模量、弯曲强度及弯曲模量均减小;断裂伸长率及断裂强度亦减小.此外,与PP/POE共混体系相比,PP/POE/nano-CaCO3复合体系的冲击强度、拉伸强度及拉伸模量、弯曲强度及弯曲模量均优于PP/POE共混体系.

  9. Catalytic mechanism and allosteric regulation of an oligomeric (p)ppGpp synthetase by an alarmone.

    Science.gov (United States)

    Steinchen, Wieland; Schuhmacher, Jan S; Altegoer, Florian; Fage, Christopher D; Srinivasan, Vasundara; Linne, Uwe; Marahiel, Mohamed A; Bange, Gert

    2015-10-27

    Nucleotide-based second messengers serve in the response of living organisms to environmental changes. In bacteria and plant chloroplasts, guanosine tetraphosphate (ppGpp) and guanosine pentaphosphate (pppGpp) [collectively named "(p)ppGpp"] act as alarmones that globally reprogram cellular physiology during various stress conditions. Enzymes of the RelA/SpoT homology (RSH) family synthesize (p)ppGpp by transferring pyrophosphate from ATP to GDP or GTP. Little is known about the catalytic mechanism and regulation of alarmone synthesis. It also is unclear whether ppGpp and pppGpp execute different functions. Here, we unravel the mechanism and allosteric regulation of the highly cooperative alarmone synthetase small alarmone synthetase 1 (SAS1) from Bacillus subtilis. We determine that the catalytic pathway of (p)ppGpp synthesis involves a sequentially ordered substrate binding, activation of ATP in a strained conformation, and transfer of pyrophosphate through a nucleophilic substitution (SN2) reaction. We show that pppGpp-but not ppGpp-positively regulates SAS1 at an allosteric site. Although the physiological significance remains to be elucidated, we establish the structural and mechanistic basis for a biological activity in which ppGpp and pppGpp execute different functional roles.

  10. Characterization of a bifunctional enzyme with (p)ppGpp-hydrolase/synthase activity in Leptospira interrogans.

    Science.gov (United States)

    He, Ping; Deng, Cong; Liu, Boyu; Zeng, LingBing; Zhao, Wei; Zhang, Yan; Jiang, XuCheng; Guo, XiaoKui; Qin, JinHong

    2013-11-01

    Alarmone Guanosine 5'-diphosphate (or 5'-triphosphate) 3'-diphosphate [(p)ppGpp] is the key component that globally regulates stringent control in bacteria. There are two homologous enzymes, RelA and SpoT in Escherichia coli, which are responsible for fluctuations in (p)ppGpp concentration inside the cell, whereas there exists only a single RelA/SpoT enzyme in Gram-positive bacteria. We have identified a bifunctional enzyme with (p)ppGpp-hydrolase/synthase activity in Leptospira interrogans. We show that the relLin gene (LA_3085) encodes a protein that fully complements the relA/spoT double mutants in E. coli. The protein functions as a (p)ppGpp degradase as well as a (p)ppGpp synthase when the cells encounter amino acid stress and deprivation of carbon sources. N-terminus HD and RSD domains of relLin (relLinN ) were observed to restore growth of double mutants of E. coli. Finally, We demonstrate that purified RelLin and RelLinN show high (p)ppGpp synthesis activity in vitro. Taken together, our results suggest that L. interrogans contain a single Rel-like bifunctional protein, RelLin , which plays an important role in maintaining the basal level of (p)ppGpp in the cell potentially contributing to the regulation of bacterial stress response.

  11. Selective and sensitive colorimetric detection of stringent alarmone ppGpp with Fenton-like reagent.

    Science.gov (United States)

    Zheng, Lin Ling; Huang, Cheng Zhi

    2014-12-01

    Stringent alarmone, namely, guanosine 3'-diphosphate-5'-diphosphate (ppGpp), is a global regulator that plays a critical role in the survival, growth, metabolism, and many other vital processes of microorganisms. Because of its structural similarity to normal nucleotides, it is also a challenge for the selective and sensitive detection of ppGpp nowadays. Herein, we developed a colorimetric method for the selective detection of ppGpp by inhibiting the redox reaction between Fenton-like reagent (composed of Fe(3+) and H2O2) with 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS). Owing to the strong coordination affinity between ppGpp and Fe(3+), the chromogenic reaction between ABTS and Fenton-like reagent, occurred in aqueous medium at 37 °C and resulted in a bluish-green solution, which was inhibited with the addition of ppGpp. This phenomenon forms the basis for the colorimetric detection of ppGpp, with a detection limit of 0.19 μM and good selectivity for ppGpp over other nucleotides and anions. Furthermore, the results could be visualized by the naked eye, and the sensitivity of the naked-eye observation could even be further improved with the aid of the introduction of a background color.

  12. Alarmone (p)ppGpp regulates the transition from pathogenicity to mutualism in Photorhabdus luminescens.

    Science.gov (United States)

    Bager, Ragnhild; Roghanian, Mohammad; Gerdes, Kenn; Clarke, David J

    2016-05-01

    The enteric gamma-proteobacterium Photorhabdus luminescens kills a wide range of insects, whilst also maintaining a mutualistic relationship with soil nematodes from the family Heterorhabditis. Pathogenicity is associated with bacterial exponential growth, whilst mutualism is associated with post-exponential (stationary) phase. During post-exponential growth, P. luminescens also elaborates an extensive secondary metabolism, including production of bioluminescence, antibiotics and pigment. However, the regulatory network that controls the expression of this secondary metabolism is not well understood. The stringent response is a well-described global regulatory system in bacteria and mediated by the alarmone (p)ppGpp. In this study, we disrupted the genes relA and spoT, encoding the two predicted (p)ppGpp synthases of P. luminescens TTO1, and we showed that (p)ppGpp is required for secondary metabolism. Moreover, we found the (p)ppGpp is not required for pathogenicity of P. luminescens, but is required for bacterial survival within the insect cadaver. Finally, we showed that (p)ppGpp is required for P. luminescens to support normal nematode growth and development. Therefore, the regulatory network that controls the transition from pathogenicity to mutualism in P. luminescens requires (p)ppGpp. This is the first report outlining a role for (p)ppGpp in controlling the outcome of an interaction between a bacteria and its host.

  13. (p)ppGpp synthetases regulate the pathogenesis of zoonotic Streptococcus suis.

    Science.gov (United States)

    Zhu, Jiawen; Zhang, Tengfei; Su, Zhipeng; Li, Lu; Wang, Dong; Xiao, Ran; Teng, Muye; Tan, Meifang; Zhou, Rui

    2016-10-01

    (p)ppGpp-mediated stringent response is one of the main adaption mechanism in bacteria, and the ability to adapt to environment is linked to the pathogenesis of bacterial pathogens. In the zoonotic pathogen Streptococcus suis, there are two (p)ppGpp synthetases, RelA and RelQ. To investigate the regulatory functions of (p)ppGpp/(p)ppGpp synthetases on the pathogenesis of S. suis, the phenotypes of the [(p)ppGpp(0)] mutant ΔrelAΔrelQ and its parental strain were compared. Light and electron microscopy observation showed that the mutant strain had a longer chain-length than its parental strain. Disruption of relA and relQ led to decreased adhesive and invasive ability to HEp-2 cells, and increased sensitivity to the blood killing and phagocytosis. Mouse infection experiments showed that the mutant strain was attenuated and easier to be cleaned up in vivo. Quantitative reverse transcription PCR (qRT-PCR) analysis indicated that the expressions of virulence related genes involving in morphology and virulence were down-regulated in the mutant strain. Our study demonstrated that the (p)ppGpp synthetases or (p)ppGpp can regulate the pathogenesis of this important zoonotic pathogen.

  14. Journal of Agricultural Extension Vol. 17 (1) June, 2013 ISSN 1119 ...

    African Journals Online (AJOL)

    Onyii Ogbonna

    project beneficiaries in Ogun state to the Fadama III implementation guidelines in ... guidelines and Fadama users' equity fund (FUEF) requirements needed to be ... (NFCO & SFCOs), the National Food Reserve Agency (NFRA), and other .... Respondents were also asked to describe the steps followed in procuring what.

  15. Transformational III-V Electronics

    KAUST Repository

    Nour, Maha A.

    2014-04-01

    Flexible electronics using III-V materials for nano-electronics with high electron mobility and optoelectronics with direct band gap are attractive for many applications. This thesis describes a complementary metal oxide semiconductor (CMOS) compatible process for transforming traditional III-V materials based electronics into flexible one. The thesis reports releasing 200 nm of Gallium Arsenide (GaAs) from 200 nm GaAs / 300 nm Aluminum Arsenide (AlAs) stack on GaAs substrate using diluted hydrofluoric acid (HF). This process enables releasing a single top layer compared to peeling off all layers with small sizes at the same time. This is done utilizing a network of release holes that contributes to the better transparency (45 % at 724 nm wavelengths) observed. Fabrication of metal oxide semiconductor capacitor (MOSCAPs) on GaAs is followed by releasing it to have devices on flexible 200 nm GaAs. Similarly, flexible GaSb and InP fabrication process is also reported to transform traditional electronics into large-area flexible electronics.

  16. Differential expression between "DSP-only" and DSP-PP523 transcripts in rat molar teeth.

    Science.gov (United States)

    Zhu, Ya-Qin; Song, Ryan M; Ritchie, Helena H

    2017-10-01

    To compare the expression patterns of two multiple transcripts derived from DSP-PP gene during tooth development. One is DSP-only transcript (i.e. does not encode PP) and the other is DSP-PP523 transcript, a main DSP-PP transcript. Unique antisense and sense riboprobes were generated from DSP-only and DSPPP523 cDNAs for in situ studies to examine DSP-only and DSP-PP523 transcript expression in developing molars. Paraffin-embedded sections (5-7μ m) from embryonic 20day, postnatal 2, 3 and 6days were deparaffined and hydrated. Tissues were prehybridized, then hybridized with DSP-only and DSP-PP523 anti-sense (AS) or sense (S) Digoxigenin labeled-riboprobes overnight, and washed. Anti-Digoxigenin antibodies conjugated to alkaline phosphatase were used to detect the presence of bound riboprobes by color reaction with NBT/BCIP. Stro-1 antibody was used for immunohistochemical analysis of Stro-1 protein expression in rat molars. We found that unlike the DSP-PP523 transcript, the DSP-only transcript does not express in the entire polarized mature odontoblasts but is expressed in the areas subjacent to the mature odontoblast layer. In addition, DSP-only transcript is expressed in the dental pulp. Interestingly, Stro-1 protein, a stem cell marker, was also identified in the areas subjacentto odontoblasts and in dental pulp. Differential expression of DSP-only and DSP-PP523 transcripts suggest that these two kinds of transcripts may play different roles during dentinogenesis. DSP-PP523 transcript is expressed in mature odontoblasts, which actively participates in dentin formation. DSP-only transcript might have a different function. Copyright © 2017 Elsevier Ltd. All rights reserved.

  17. Signalling by the global regulatory molecule ppGpp in bacteria and chloroplasts of land plants.

    Science.gov (United States)

    Tozawa, Y; Nomura, Y

    2011-09-01

    The hyperphosphorylated guanine ribonucleotide ppGpp mediates the stringent response in bacteria. Biochemical and genetic studies of this response in Escherichia coli have shown that the biosynthesis of ppGpp is catalysed by two homologous enzymes, RelA and SpoT. RelA is activated in response to amino acid starvation, and SpoT responds to abiotic physical stress beside nutritional stress. All free-living bacteria, including Gram-positive firmicutes, contain RelA-SpoT homologues (RSH). Further, novel ppGpp biosynthetic enzymes, designated small alarmone synthetases (SASs), were recently identified in a subset of bacteria, including the Gram-positive organism Bacillus subtilis, and were shown to consist only of a ppGpp synthetase domain. Studies suggest that these SAS proteins contribute to ppGpp signalling in response to stressful conditions in a manner distinct from that of RelA-SpoT enzymes. SAS proteins currently appear to always occur in addition to RSH enzymes in various combinations but never alone. RSHs have also been identified in chloroplasts, organelles of photosynthetic eukaryotes that originated from endosymbiotic photosynthetic bacteria. These chloroplast RSHs are exclusively encoded in nuclear DNA and targeted into chloroplasts. The findings suggest that ppGpp may regulate chloroplast functions similar to those regulated in bacteria, including transcription and translation. In addition, a novel ppGpp synthetase that is regulated by Ca²⁺ as a result of the presence of two EF-hand motifs at its COOH terminus was recently identified in chloroplasts of land plants. This finding indicates the existence of a direct connection between eukaryotic Ca²⁺ signalling and prokaryotic ppGpp signalling in chloroplasts. The new observations with regard to ppGpp signalling in land plants suggest that such signalling contributes to the regulation of a wider range of cellular functions than previously anticipated.

  18. Properties of DOPO halogen-free flame retardant PP/EVA composite%DOPO无卤阻燃PP/EVA复合材料的性能研究

    Institute of Scientific and Technical Information of China (English)

    任庆龙; 夏英; 丛世杰; 张锋锋; 郭静; 张桂霞

    2016-01-01

    A flame-retardant polypropylene/ethylene vinyl acetate/9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (PP/EVA/DOPO) composite was prepared by mixing and hot pressing DOPO as halogen-free flame retardant and PP and EVA as resin matrix at the mass ratio of 4:1.The effects of the DOPO amount on the flame retardance , thermal property , mechanical proper-ties and processing properties of PP/EVA/DOPO composite were studied .The results showed that as compared with PP/EVA composite with no DOPO , the flame retardance of PP/EVA/DOPO composite was gradually increased , the bending strength was increased in some degree , but the tensile strength and impact strength were decreased as the DOPO amount was increased ; the limiting oxygen index of PP/EVA/DOPO composite was increased from 16.8% to 22.6% and the vertical flammability reached grade V-2, the temperature corresponding to the maximum thermogravimetric rate was increased by more than 20℃, and the melt flow index was increased to 7.795 g(10 min), and the processing flowability was profoundly improved as the mass fraction of DOPO was 10%.%采用9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物(DOPO)为无卤添加型阻燃剂,以聚丙烯(PP)、乙烯-醋酸乙烯酯(EVA)为基体树脂,按PP/EVA质量比4:1进行混炼、热压,制备了阻燃PP/EVA/DOPO复合材料,研究了DOPO用量对PP/EVA/DOPO阻燃性能、热性能、力学性能及加工性能的影响.结果表明:与未添加DOPO的PP/EVA相比,随着DOPO用量的增加,PP/EVA/DOPO的阻燃性能不断提高,热稳性有所提高,弯曲强度也有所提高,但拉伸强度和冲击强度有所下降;当DOPO质量分数为10%时,PP/EVA/DOPO极限氧指数由16.8%提高到22.6%,垂直燃烧性能达到V-2级别,最大热失重速率所对应的温度提高了20℃以上,熔体流动指数大幅提高达每10 min 7.795 g,加工流动性能明显改善.

  19. QSAR Study and VolSurf Characterization of Human Intestinal Absorption of Druge

    Institute of Scientific and Technical Information of China (English)

    胡桂香; 商志才; 等

    2003-01-01

    The prediction of human intestinal absorption is a major goal in the design,optimization,and selection of candidates for the develoment of oral drugs.In this study,a computerized method(VolSurf with GRID) was used as a novel tool for predicting human intestinal absorption of test compound,and for determining the critical molecular properties needed for human intestinal absorption.The tested molecules consisted of 20 diverse drug-like compounds.Partial least squares(PLS) discriminant analysis was used to correlate the experimental data with the theoretical molecular properties of human intestinal absorption.A good correlation(r2=0.95,q2=0.86) between the molecular modeling results and the experimental data demonstrated that human intestinal absorption could be predicted from the three-dimensional(3D) molecular structure of a compound .Favorable structureal properties identified for the potent intestinal absorption of drugs included strong imbalance between the center of mass of a molecule and the barycentre of its hydrophilic and hydrophobic regions and a definitive hydrophobic region as well as less hydrogen bonding donors and acceptors in the molecule.

  20. Composite material in the Al 2 O3 -20 vol% YAG system

    Directory of Open Access Journals (Sweden)

    Radosław Lach

    2010-03-01

    Full Text Available Within alumina particle suspension yttria precursor was precipitated with ammonium carbonate. Drying and calcination at 600°C resulted in the mixture of alumina and yttria particles, the latter being much finer than alumina particles. This mixture was additionally homogenized by short attrition milling in aqueous suspension of pH selected on the basis of zeta (ζ potential measurements. It was found that acidic conditions (realized with HNO3 resulted in hard agglomerates. Such powder shows poor sintering ability. Much better properties showed powders homogenized under basic conditions. They give dense materials composed of YAG inclusions within alumina matrix. YAG particles resulted from the reaction of Y2O3 with Al2O3 during heat treatment. Homogenization of the system mixed at pH=8, corresponding to the heterofloculation conditions, is slightly better than observed at pH=10. YAG inclusions (20 vol% increase hardness and fracture toughness of the material in comparison with pure alumina polycrystals.

  1. Solidification of Magnesium (AM50A) / vol%. SiCp composite

    Science.gov (United States)

    Zhang, X.; Hu, H.

    2012-01-01

    Magnesium matrix composite is one of the advanced lightweight materials with high potential to be used in automotive and aircraft industries due to its low density and high specific mechanical properties. The magnesium composites can be fabricated by adding the reinforcements of fibers or/and particles. In the previous literature, extensive studies have been performed on the development of matrix grain structure of aluminum-based metal matrix composites. However, there is limited information available on the development of grain structure during the solidification of particulate-reinforced magnesium. In this work, a 5 vol.% SiCp particulate-reinforced magnesium (AM50A) matrix composite (AM50A/SiCp) was prepared by stir casting. The solidification behavior of the cast AM50A/SiCp composite was investigated by computer-based thermal analysis. Optical and scanning electron microscopies (SEM) were employed to examine the occurrence of nucleation and grain refinement involved. The results indicate that the addition of SiCp particulates leads to a finer grain structure in the composite compared with the matrix alloy. The refinement of grain structure should be attributed to both the heterogeneous nucleation and the restricted primary crystal growth.

  2. 增容剂对PP/回收PET共混物性能的影响%Effect of Compatibilizer on Properties of PP/Recycled PET Blends

    Institute of Scientific and Technical Information of China (English)

    周红军; 卢永乐; 何桂銮

    2012-01-01

    采用熔融共混的方法,制备了聚丙烯(PP)/回收聚对苯二甲酸乙二酯(r-PET)共混物,研究了增容剂甲基丙烯酸缩水甘油酯接枝聚丙烯(PP-g-GMA)对共混物力学性能、热稳定性的影响.结果表明:增容剂的加入能提高共混物的拉伸强度和拉伸模量;加入增容剂能显著提高共混物的热分解温度,增容剂使r-PET的熔点降低;增容剂对PP的结晶性能影响与熔融温度有关.%The polypropylene/recycled polyethylene terephthalate blends were prepared by melt method,and the effects of compatibilizer PP-g-GMA on mechanical properties and thermal properties were studied.The results show that: the tensile strength and modulus of PP/r-PET blends improve with the addition of compatibilizer; the decomposition temperature of the blends increases significantly,and the melt point decreases; the effect of compatibilizer on crystallization behavior of PP depends on the melting temperature of the blends.

  3. The Near-Threshold Production of Phi Mesons in pp Collisions

    CERN Document Server

    Hartmann, M; Keshelashvilli, I; Koch, H R; Mikirtytchiants, S; Barsov, S; Borgs, W; Büscher, M; Dymov, S; Hejny, V; Kleber, V; Koptev, V; Kulessa, P; Mersmann, T; Merzliakov, S; Mussgiller, A; Nekipelov, M; Nioradze, M; Ohm, H; Pysz, K; Schleichert, R; Stein, H J; Ströher, H; Watzlawik, K H; Wüstner, P

    2006-01-01

    The pp->pp phi reaction has been studied at the Cooler Synchrotron COSY-Juelich, using the internal beam and ANKE facility. Total cross sections have been determined at three excess energies epsilon near the production threshold. The differential cross section closest to threshold at epsilon=18.5 MeV exhibits a clear S-wave dominance as well as a noticeable effect due to the proton-proton final state interaction. Taken together with data for pp omega-production, a significant enhancement of the phi/omega ratio of a factor 8 is found compared to predictions based on the Okubo-Zweig-Iizuka rule.

  4. Theoretical study on pp --> p n pi+ reaction at medium energies

    CERN Document Server

    Ouyang, Z; Zou, B S; Xu, H S

    2009-01-01

    The $pp\\to p n \\pi^+$ reaction is a channel with the largest total cross section for pp collision in COSY/CSR energy region. In this work, we investigate individual contributions from various $N^*$ and $\\Delta^{*}$ resonances with mass up to about 2 GeV for the $pp\\to p n \\pi^+$ reaction. We extend a resonance model, which can reproduce the observed total cross section quite well, to give theoretical predictions of various differential cross sections for the present reaction at $T_p=2.88$ GeV. It could serve as a reference for identifying new physics in the future experiments at HIRFL-CSR.

  5. QCD with Jets and Heavy Flavour in pp and PbPb Collisions in ATLAS

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00377077; The ATLAS collaboration

    2016-01-01

    ATLAS has studied different aspects of QCD in pp and PbPb collisions. A summary of interesting recent results at centre-of-mass energies of 7 TeV, 8 TeV and 13 TeV (pp), and 2.76 TeV (PbPb) per nucleon pair is presented. Measurements using pp collisions of Z, W, photon, quarkonia and open charm production differential cross sections in a variety of variables are presented. Jet and heavy flavour muon measurements in PbPb collisions, aimed to test the properties of the Quark Gluon Plasma with the view of better understanding of jet quenching, are also presented.

  6. Catalytic activity of a novel serine/threonine protein phosphatase PP5 from Leishmania major

    Directory of Open Access Journals (Sweden)

    Norris-Mullins Brianna

    2014-01-01

    Full Text Available Leishmaniasis is a vector-borne disease caused by protozoan parasites of the genus Leishmania. Our knowledge of protein phosphatases (PPs and their implication in signaling events is very limited. Here we report the expression, characterization and mutagenesis analysis of a novel protein phosphatase 5 (PP5 in Leishmania major. Recombinant PP5 is a bona fide phosphatase and is enzymatically active. Site-directed mutagenesis revealed auto-inhibitory roles of the N-terminal region. This is a rational first approach to understand the role of PP5 in the biology of the parasite better as well as its potential future applicability to anti-parasitic intervention.

  7. PP: A graphics post-processor for the EQ6 reaction path code

    Energy Technology Data Exchange (ETDEWEB)

    Stockman, H.W.

    1994-09-01

    The PP code is a graphics post-processor and plotting program for EQ6, a popular reaction-path code. PP runs on personal computers, allocates memory dynamically, and can handle very large reaction path runs. Plots of simple variable groups, such as fluid and solid phase composition, can be obtained with as few as two keystrokes. Navigation through the list of reaction path variables is simple and efficient. Graphics files can be exported for inclusion in word processing documents and spreadsheets, and experimental data may be imported and superposed on the reaction path runs. The EQ6 thermodynamic database can be searched from within PP, to simplify interpretation of complex plots.

  8. The Avenging Females: A Comparative Analysis of Kill Bill Vol.1-2, Death Proof and Sympathy for Lady Vengeance

    Directory of Open Access Journals (Sweden)

    Basak Göksel Demiray

    2012-04-01

    Full Text Available This paper provides a comparative analysis of Quentin Tarantino’s Kill Bill Vol.1-2 (2003, 2004, Death Proof (2007 and Park Chan Wook’s Sympathy for Lady Vengeance (Chinjeolhan Geumjassi, 2005. The primary objectives of this study are: (1 to reveal the gender-biases inherent to the fundamental discursive structures of the foregoing films; (2 to compare and contrast the films through an analysis of the ‘gaze(s’ and possible ‘pleasures’,  which are inherent in their narratives, in relation to Laura Mulvey’s and Carol Clover’s approaches; and (3 to distinguish Kill Bill Vol.1-2 from the foregoing two and the ‘avenging female’ clichés of the other horror/violence movies in the context of the replaced positionings of its protagonist and antagonist inherent in its distinct narrative style.

  9. Focal adhesion kinase is involved in type III group B streptococcal invasion of human brain microvascular endothelial cells.

    Science.gov (United States)

    Shin, Sooan; Paul-Satyaseela, Maneesh; Maneesh, Paul-Satyaseela; Lee, Jong-Seok; Romer, Lewis H; Kim, Kwang Sik

    2006-01-01

    Group B streptococcus (GBS), the leading cause of neonatal meningitis, has been shown to invade human brain microvascular endothelial cells (HBMEC), which constitute the blood-brain barrier. GBS invasion of HBMEC has been shown to require the host cell actin cytoskeleton rearrangements. The present study examined the mechanisms underlying actin cytoskeleton rearrangements that are involved in type III GBS invasion of HBMEC. We showed that type III GBS invasion was inhibited by genistein, a general tyrosine kinase inhibitor (mean 54% invasion decrease at 100 microM), and LY294002, a phosphatidylinositol 3 (PI3) kinase inhibitor (mean 70% invasion decrease at 50 microM), but not by PP2, an inhibitor of the Src family tyrosine kinases. We subsequently showed that the focal adhesion kinase (FAK) was the one of the host proteins tyrosine phosphorylated by type III GBS. Over-expression of a dominant negative form of the FAK C-terminal domain significantly decreased type III GBS invasion of HBMEC (mean 51% invasion decrease). In addition, we showed that FAK phosphorylation correlated with its association of paxillin, an adapter protein of actin filament, and PI3-kinase subunit p85. This is the first demonstration that FAK phosphorylation and its association with paxillin and PI3 kinase play a key role in type III GBS invasion of HBMEC.

  10. 发现美丽真我养成记VOL.2预备开跑!

    Institute of Scientific and Technical Information of China (English)

    潘俣宁

    2009-01-01

    “Shiningstar养成记”第二阶段的主角终于确定,在吸取了VOL.1的成功经验与不足后,养成记VOL.2将以崭新姿态全力开跑。迷人的外表固然重要,美丽的内心更是我们不懈努力的目标。

  11. Effect of sintering temperature and time intervals on morphological and hardness behaviour of Al-20 vol% Sn matrix composites

    Science.gov (United States)

    Badarulzaman, N. A.; Karim, S. R.; Lajis, M. A.

    2015-05-01

    Aluminium (Al) alloys are widely used in various industries, such as automotive and aerospace. The production processes in these sectors create large amount of Al residues. In this paper, a new method of recycling Al chip is presented. Metal matrix composite (MMCs) of Al-20 vol% Sn was prepared by using solid state direct conversion method of recycled Al 6061 alloy. Constant pressure (10 ton) was used to implement the cold forging process. The differences of sintering temperature (200 °C, 250 °C, 300 °C and 350 °C) and time intervals (1h, 2h, 3h, 4h and 5h) were studied to obtain the optimum hardness, strength and surface integrity of Al-20 vol% Sn. The results showed that, hardness and strength of Al-20 vol% Sn was decreased by additional temperature and increase with time interval of sintering. Sintering temperature at 350 °C produces better morphology structure of Al-Sn composites.

  12. Análise qualitativa de compostos voláteis do headspace de carne cozida de ovinos e caprinos

    Directory of Open Access Journals (Sweden)

    Jossiê Zamperetti Donadel

    2013-11-01

    Full Text Available Este estudo teve como objetivo caracterizar qualitativamente os compostos voláteis (CV do headspace de diferentes músculos de carne cozida de ovinos e caprinos da região do Alto Camaquã, Rio Grande do Sul - Brasil. Os CV do headspace dos músculos cozidos, L. dorsi e V. lateralis de cinco ovinos machos (idade de 6 meses e cinco cabritos machos castrados (idade de 8-9 meses foram analisados pela técnica de microextração em fase sólida (HS-SPME e cromatógrafo a gás acoplado a espectrômetro de massas (GC/MS. Foram encontrados 73 compostos voláteis, dentre eles aldeídos, cetonas e compostos sulfurados, característicos de carne processada termicamente. A partir da fração volátil, foi possível encontrar marcadores que discriminassem as espécies animais estudadas, caracterizando os caprinos por apresentarem, entre outros compostos, terpenos (β-pineno, α-gurjuneno, α-muuroleno, ausentes em ovinos. Alguns compostos discriminaram V. lateralis e L. dorsi de ovinos, como álcool isopropílico, α-pineno, o-xileno, porém não foi possível obter uma diferenciação entre os músculos de caprinos.

  13. The magic spot: a ppGpp binding site on E. coli RNA polymerase responsible for regulation of transcription initiation.

    Science.gov (United States)

    Ross, Wilma; Vrentas, Catherine E; Sanchez-Vazquez, Patricia; Gaal, Tamas; Gourse, Richard L

    2013-05-01

    The global regulatory nucleotide ppGpp ("magic spot") regulates transcription from a large subset of Escherichia coli promoters, illustrating how small molecules can control gene expression promoter-specifically by interacting with RNA polymerase (RNAP) without binding to DNA. However, ppGpp's target site on RNAP, and therefore its mechanism of action, has remained unclear. We report here a binding site for ppGpp on E. coli RNAP, identified by crosslinking, protease mapping, and analysis of mutant RNAPs that fail to respond to ppGpp. A strain with a mutant ppGpp binding site displays properties characteristic of cells defective for ppGpp synthesis. The binding site is at an interface of two RNAP subunits, ω and β', and its position suggests an allosteric mechanism of action involving restriction of motion between two mobile RNAP modules. Identification of the binding site allows prediction of bacterial species in which ppGpp exerts its effects by targeting RNAP.

  14. Michele Renee Salzman, Marvina A. Sweeney & William Adler (eds., The Cambridge History of Religions in the Ancient World (2 vols. (New York: Cambridge University Press, 2013

    Directory of Open Access Journals (Sweden)

    Giorgio Baruchello

    2014-03-01

    Full Text Available Review of: Michele Renee Salzman, Marvina A. Sweeney & William Adler (eds., The Cambridge History of Religions in the Ancient World (2 vols. (New York: Cambridge University Press, 2013

  15. Juha Manninen and Friedrich Stadtler (eds., The Vienna Circle and the Nordic Countries. Networks and Transformations of Logical Empiricism (Vienna: Vienna Circle Institute Yearbook vol.14, Springer, 2010

    Directory of Open Access Journals (Sweden)

    Carlo Penco

    2013-03-01

    Full Text Available A discussion of The Vienna Circle and the Nordic Countries. Networks and Transformations of Logical Empiricism, edited by Juha Manninen and Friedrich Stadtler, Vienna Circle Institute Yearbook vol.14, Springer, 2010.

  16. Evaluating the environmental fate of pharmaceuticals using a level III model based on poly-parameter linear free energy relationships.

    Science.gov (United States)

    Zukowska, Barbara; Breivik, Knut; Wania, Frank

    2006-04-15

    We recently proposed how to expand the applicability of multimedia models towards polar organic chemicals by expressing environmental phase partitioning with the help of poly-parameter linear free energy relationships (PP-LFERs). Here we elaborate on this approach by applying it to three pharmaceutical substances. A PP-LFER-based version of a Level III fugacity model calculates overall persistence, concentrations and intermedia fluxes of polar and non-polar organic chemicals between air, water, soil and sediments at steady-state. Illustrative modeling results for the pharmaceuticals within a defined coastal region are presented and discussed. The model results are highly sensitive to the degradation rate in water and the equilibrium partitioning between organic carbon and water, suggesting that an accurate description of this particular partitioning equilibrium is essential in order to obtain reliable predictions of environmental fate. The PP-LFER based modeling approach furthermore illustrates that the greatest mobility in aqueous phases may be experienced by pharmaceuticals that combines a small molecular size with strong H-acceptor properties.

  17. Evaluating the environmental fate of pharmaceuticals using a level III model based on poly-parameter linear free energy relationships

    Energy Technology Data Exchange (ETDEWEB)

    Zukowska, Barbara [Department of Analytical Chemistry, Chemical Faculty, Gdansk University of Technology, 11/12 G. Narutowicza St., 80-952 Gdansk (Poland); Breivik, Knut [NILU- Norwegian Institute for Air Research, P.O. Box 100, NO-2027 Kjeller (Norway)]. E-mail: knut.breivik@nilu.no; Wania, Frank [Department of Physical and Environmental Sciences, University of Toronto at Scarborough, 1265 Military Trail, Scarborough, Ontario, M1C 1A4 (Canada)

    2006-04-15

    We recently proposed how to expand the applicability of multimedia models towards polar organic chemicals by expressing environmental phase partitioning with the help of poly-parameter linear free energy relationships (PP-LFERs). Here we elaborate on this approach by applying it to three pharmaceutical substances. A PP-LFER-based version of a Level III fugacity model calculates overall persistence, concentrations and intermedia fluxes of polar and non-polar organic chemicals between air, water, soil and sediments at steady-state. Illustrative modeling results for the pharmaceuticals within a defined coastal region are presented and discussed. The model results are highly sensitive to the degradation rate in water and the equilibrium partitioning between organic carbon and water, suggesting that an accurate description of this particular partitioning equilibrium is essential in order to obtain reliable predictions of environmental fate. The PP-LFER based modeling approach furthermore illustrates that the greatest mobility in aqueous phases may be experienced by pharmaceuticals that combines a small molecular size with strong H-acceptor properties.

  18. Evaluation of the degree of dispersion of organoclay on nanocomposites with PP/EPDM; Avaliacao do grau de dispersao de argilas organofilicas em nanocompositos de PP/EPDM

    Energy Technology Data Exchange (ETDEWEB)

    Braga, F.C.F.; Oliveira, M.G., E-mail: fernanda.braga@int.gov.b [Instituto Nacional de Tecnologia (DPCM/INT), Rio de Janeiro, RJ (Brazil). Div. de Processamento e Caracterizacao de Materiais; Furtado, C.R.G. [Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ (Brazil)

    2010-07-01

    Nanocomposites of thermoplastic elastomer (TPE) composed by PP/EPDM 1/1 blend and organoclay were obtained by the melt intercalation in an internal chamber mix. Initially, a masterbatch of maleinized polypropylene (PP-MA) and clay modified with alkyl ammonium salt in the ratio 3:1 was prepared, and then, added to TPE matrix to obtain loads of 2,5; 5 and 7 wt% of clay in the nanocomposite. The dispersion degree of clay in TPE matrix was evaluated by X-ray diffraction and parallel plate rheometry. The intercalation/exfoliate degree or the degree of dispersion varied with clay content, as observed by X-ray diffraction. This behavior was confirmed by the profile of the curves of elastic modulus versus frequency, which presented different slopes in the region of low frequency, due to the presence of clay and PP-MA. (author)

  19. Effects of PP333 on Growth and Physiology of Carnation%PP333对香石竹生长及生理的影响

    Institute of Scientific and Technical Information of China (English)

    马智宏; 贾瑞智; 关军锋

    2000-01-01

    以香石竹幼苗为试材,进行叶面喷施PP333试验,结果表明,与对照相比叶面喷施PP333使植株生长速率下降,叶片过氧化物酶活性显著提高,在香石竹幼苗生长后期植株体的叶绿素、可溶性蛋白质含量及超氧物歧化酶活性升高。%The carnation seedlings were used in this experiment. The determinafion results showed that in contrast to control, the fo liar spraying PP333 decreased growth rate, increased significantly peroxidase activity of leaves at all stage, and increased content of chlorophyll and protein, as well as the activity of superoxide dismatuse in carnation leaves only at late growth stage.

  20. Preparation and Property analysis of PP/POE blends%PP/POE共混物的制备及其性能分析

    Institute of Scientific and Technical Information of China (English)

    陈全虎

    2015-01-01

    通过实验筛选聚丙烯基础树脂及其配方,研究了聚烯烃弹性体(POE)用量和加工工艺对聚丙烯共混物性能的影响。结果表明,随着POE用量的增加,聚丙烯共混物的抗冲击性能显著提高。%Base resin and its ratio in PP/POE blends was selected in this test, and the influence of POE amount and processing condition on PP/POE blends was studied. The results showed that the impact property of PP/POE blends was improved significantly with the addition of thermoplastic elastomer gradually.