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  • Articles  (26)
  • Polymer and Materials Science  (13)
  • Female  (7)
  • Surface physics, nanoscale physics, low-dimensional systems  (6)
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  • 11
    Electronic Resource
    Electronic Resource
    Crosslinked polyamide-quinoxalines (1973)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Letters Edition 11 (1973), S. 29-32 
    Details
    ISSN: 0360-6384
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1973.130110106
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  • 12
    Electronic Resource
    Electronic Resource
    Soluble imide-quinoxaline copolymers (1971)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 9 (1971), S. 1343-1350 
    Details
    ISSN: 0449-296X
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Eight new phenylated imide-quinoxaline ordered copolymers were prepared. The synthesis consisted of one-step solution condensations of aromatic bis(o-diamines) with N,N′-bis(benzilyl)benzophenoneimide and N,N′-bis(benzilyl)tetrahydrofuranimide respectively. The polymers were all of high molecular weight and were soluble in a number of different solvents. Thermal gravimetric analysis showed that the aromatic benzophenoneimide-quinoxalines (decomposing between 490 and 530°C) were considerably more stable than the aliphatic tetrahydrofuranimide-quinoxalines (decomposing between 290 and 320°C). All polymers gave tough films which could be cast from solution.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1971.150090515
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  • 13
    Electronic Resource
    Electronic Resource
    Amide-quinoxaline copolymers (1972)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 10 (1972), S. 1123-1131 
    Details
    ISSN: 0449-296X
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A series of new amide-quinoxaline ordered copolymers derived from phthaloyl, isophthaloyl, and terephthaloyl chlorides have been synthesized and characterized. The isophthaloyl and terephthaloyl polymers had decomposition temperatures between 445-495°C and were soluble in a variety of solvents. These high molecular weight polymers were prepared by reacting aromatic bis-o-diamines with bis(benzilyl)amides. Phthaloyl chloride yielded low molecular weight polymers due to competing side reactions.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1972.150100416
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  • 14
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    Impurity invisibility in graphene: Symmetry guidelines for the design of efficient sensors (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-07-13
    Description: Author(s): John Duffy, James Lawlor, Caio Lewenkopf, and Mauro S. Ferreira Renowned for its sensitivity to detect the presence of numerous substances, graphene is an excellent chemical sensor. Unfortunately, which general features a dopant must have in order to enter the list of substances detectable by graphene are not exactly known. Here we demonstrate with a simple mode… [Phys. Rev. B 94, 045417] Published Tue Jul 12, 2016
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 15
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    Strain-modified RKKY interaction in carbon nanotubes (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-07-11
    Description: Author(s): P. D. Gorman, J. M. Duffy, S. R. Power, and M. S. Ferreira For low-dimensional metallic structures, such as nanotubes, the exchange coupling between localized magnetic dopants is predicted to decay slowly with separation. The long-range character of this interaction plays a significant role in determining the magnetic order of the system. It has previously … [Phys. Rev. B 92, 035411] Published Thu Jul 09, 2015
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 16
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    RKKY interaction between extended magnetic defect lines in graphene (2014)
    American Physical Society (APS)
    Details
    Publication Date: 2014-09-09
    Description: Author(s): P. D. Gorman, J. M. Duffy, S. R. Power, and M. S. Ferreira Of fundamental interest in the field of spintronics is the mechanism of indirect exchange coupling between magnetic impurities embedded in metallic hosts. A range of physical features, such as magnetotransport and overall magnetic moment formation, are predicated upon this magnetic coupling, often r... [Phys. Rev. B 90, 125411] Published Mon Sep 08, 2014
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 17
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    Stability, precision, and near-24-hour period of the human circadian pacemaker (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: Regulation of circadian period in humans was thought to differ from that of other species, with the period of the activity rhythm reported to range from 13 to 65 hours (median 25.2 hours) and the period of the body temperature rhythm reported to average 25 hours in adulthood, and to shorten with age. However, those observations were based on studies of humans exposed to light levels sufficient to confound circadian period estimation. Precise estimation of the periods of the endogenous circadian rhythms of melatonin, core body temperature, and cortisol in healthy young and older individuals living in carefully controlled lighting conditions has now revealed that the intrinsic period of the human circadian pacemaker averages 24.18 hours in both age groups, with a tight distribution consistent with other species. These findings have important implications for understanding the pathophysiology of disrupted sleep in older people.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Czeisler, C A -- Duffy, J F -- Shanahan, T L -- Brown, E N -- Mitchell, J F -- Rimmer, D W -- Ronda, J M -- Silva, E J -- Allan, J S -- Emens, J S -- Dijk, D J -- Kronauer, R E -- MO1-RR02635/RR/NCRR NIH HHS/ -- P01-AG09975/AG/NIA NIH HHS/ -- R01-GM53559/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2177-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Circadian, Neuroendocrine, and Sleep Disorders Section, Division of Endocrinology, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10381883" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aging/*physiology ; Biological Clocks/genetics/*physiology ; Body Temperature ; Circadian Rhythm/genetics/*physiology ; Darkness ; Female ; Humans ; Hydrocortisone/blood ; Light ; Male ; Melatonin/blood ; Middle Aged ; Sleep
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 18
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    A function for kinesin I in the posterior transport of oskar mRNA and Staufen protein (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-09-23
    Description: The asymmetric localization of messenger RNA (mRNA) and protein determinants plays an important role in the establishment of complex body plans. In Drosophila oocytes, the anterior localization of bicoid mRNA and the posterior localization of oskar mRNA are key events in establishing the anterior-posterior axis. Although the mechanisms that drive bicoid and oskar localization have been elusive, oocyte microtubules are known to be essential. Here we report that the plus end-directed microtubule motor kinesin I is required for the posterior localization of oskar mRNA and an associated protein, Staufen, but not for the anterior-posterior localization of other asymmetric factors. Thus, a complex containing oskar mRNA and Staufen may be transported along microtubules to the posterior pole by kinesin I.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1764218/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1764218/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brendza, R P -- Serbus, L R -- Duffy, J B -- Saxton, W M -- R01 GM046295-09/GM/NIGMS NIH HHS/ -- R01GM46295/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2000 Sep 22;289(5487):2120-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Indiana University, Bloomington, IN 47405, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11000113" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport ; Body Patterning ; Drosophila ; *Drosophila Proteins ; Female ; Homeodomain Proteins/genetics ; Insect Proteins/*genetics ; Kinesin/genetics/*metabolism ; Male ; Microtubules/metabolism ; Molecular Motor Proteins/genetics/*metabolism ; Oocytes/*metabolism ; Oogenesis ; RNA, Messenger/genetics/*metabolism ; RNA-Binding Proteins/*metabolism ; Recombinant Fusion Proteins/metabolism ; Trans-Activators/genetics ; Transgenes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 19
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    Biomedicine. Turncoat antibodies (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duffy, P E -- Fried, M -- New York, N.Y. -- Science. 2001 Sep 14;293(5537):2009-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Seattle Biomedical Research Institute, Seattle, WA 98109, USA. pduffy@sbri.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11557864" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Protozoan/immunology ; Cell Adhesion ; Chondroitin Sulfates/metabolism ; Erythrocytes/metabolism/*parasitology ; Female ; Humans ; Hyaluronic Acid/metabolism ; Immunoglobulin G/immunology/*metabolism ; Malaria Vaccines ; Malaria, Falciparum/immunology/*parasitology/prevention & control ; Placenta/metabolism/parasitology ; Placenta Diseases/immunology/parasitology ; Plasmodium falciparum/immunology ; Pregnancy ; Pregnancy Complications, Parasitic/immunology/*parasitology/prevention & control ; Protein Structure, Tertiary ; Protozoan Proteins/chemistry/immunology/*metabolism ; Receptors, Fc/*metabolism ; Trophoblasts/immunology/metabolism/parasitology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 20
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    Activation-induced B cell fates are selected by intracellular stochastic competition (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-01-10
    Description: In response to stimulation, B lymphocytes pursue a large number of distinct fates important for immune regulation. Whether each cell's fate is determined by external direction, internal stochastic processes, or directed asymmetric division is unknown. Measurement of times to isotype switch, to develop into a plasmablast, and to divide or to die for thousands of cells indicated that each fate is pursued autonomously and stochastically. As a consequence of competition between these processes, censorship of alternative outcomes predicts intricate correlations that are observed in the data. Stochastic competition can explain how the allocation of a proportion of B cells to each cell fate is achieved. The B cell may exemplify how other complex cell differentiation systems are controlled.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duffy, Ken R -- Wellard, Cameron J -- Markham, John F -- Zhou, Jie H S -- Holmberg, Ross -- Hawkins, Edwin D -- Hasbold, Jhagvaral -- Dowling, Mark R -- Hodgkin, Philip D -- New York, N.Y. -- Science. 2012 Jan 20;335(6066):338-41. doi: 10.1126/science.1213230. Epub 2012 Jan 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hamilton Institute, National University of Ireland, Maynooth, Ireland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22223740" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*cytology/*immunology ; Cell Death ; Cell Differentiation ; Cell Division ; Female ; Immunoglobulin Class Switching ; *Lymphocyte Activation ; Mice ; Models, Immunological ; Stochastic Processes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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