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  • Polymer and Materials Science  (3)
  • Humans  (2)
  • *Biodiversity  (1)
  • *Climate Change  (1)
  • 2010-2014  (3)
  • 1990-1994  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Reaction of hals in polypropylene during light exposure: Part 1-iso-octane as reaction model compound -Paper presented at the “15th Annual International Conference on Advances in the Stabilization and Degradation of Polymers” in Luzern (Switzerland), June 2-4, 1993. (1994)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 216 (1994), S. 101-112 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The photo and thermal reactivity of nitroxyl radicals derived from di-, (oligo)meric hindered amine light stabilizers (HALS) on iso-octane, a model compound for polyprophylene, was studied and compared to that of monomeric 2,2,6,6-tetramethyl- piperi-dine-N-oxyl (TEMPO).The exchange-interaction among 〉N—O. groups seems to affect only the thermal process.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1994.052160107
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Structural and thermal investigations on aromatic polyoxadiazole/polyamide 6 blends (1992)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 193 (1992), S. 669-679 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Blends of poly(1,3,4-oxadiazole-2,5-diyl-1,4-phenylene) (PODZ) and polyamide 6 (PA6) were obtained by a coagulation process from sulfuric acid solution. The resulting blends were studied by means of X-ray diffraction and calorimetry using a DSC and a thermogravimetric apparatus. The PA6 crystallinity was found to be strongly influenced by the presence of PODZ and is dependent on the blend compositions. Below 30 wt.-% of PA6 crystallinity disappeared completely. A preliminary investigation of morphology and mechanical properties was also carried out.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1992.021930312
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  • 3
    Electronic Resource
    Electronic Resource
    Influence of coagulation process on solid-phase structure of poly(1,3,4-oxadiazole-2,5-diyl-1,4-phenylene): non-solvent induced crystallization (1990)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 191 (1990), S. 2537-2547 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A preliminary investigation on the influence of the coagulation process on the solid-phase structure of poly(1,3,4-oxadiazole-2,5-diyl-1,4-phenylene) (1) is reported. Interesting correlations between the method of coagulation of the polymer from sulfuric acid solution and the structure which develops, as observed by thermal analysis, X-ray diffraction, infrared spectroscopy, and optical microscopy are found. A new method for the preparation of highly crystalline spherulites of 1 is described. This method allows to grow a relatively large number of “single spherulites”, because coagulation and crystallization induced by a non-solvent may be stopped before impingements occur.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1990.021911103
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  • 4
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    Stress in puberty unmasks latent neuropathological consequences of prenatal immune activation in mice (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-02
    Description: Prenatal infection and exposure to traumatizing experiences during peripuberty have each been associated with increased risk for neuropsychiatric disorders. Evidence is lacking for the cumulative impact of such prenatal and postnatal environmental challenges on brain functions and vulnerability to psychiatric disease. Here, we show in a translational mouse model that combined exposure to prenatal immune challenge and peripubertal stress induces synergistic pathological effects on adult behavioral functions and neurochemistry. We further demonstrate that the prenatal insult markedly increases the vulnerability of the pubescent offspring to brain immune changes in response to stress. Our findings reveal interactions between two adverse environmental factors that have individually been associated with neuropsychiatric disease and support theories that mental illnesses with delayed onsets involve multiple environmental hits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Giovanoli, Sandra -- Engler, Harald -- Engler, Andrea -- Richetto, Juliet -- Voget, Mareike -- Willi, Roman -- Winter, Christine -- Riva, Marco A -- Mortensen, Preben B -- Feldon, Joram -- Schedlowski, Manfred -- Meyer, Urs -- New York, N.Y. -- Science. 2013 Mar 1;339(6123):1095-9. doi: 10.1126/science.1228261.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Physiology and Behavior Laboratory, Swiss Federal Institute of Technology (ETH) Zurich, 8603 Schwerzenbach, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23449593" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cytokines/immunology ; Disease Models, Animal ; Female ; Humans ; Mental Disorders/*immunology ; Mice ; Mice, Inbred C57BL ; Poly I-C/immunology/pharmacology ; Pregnancy ; Prenatal Exposure Delayed Effects/*immunology/virology ; Puberty/*immunology ; Stress, Physiological/*immunology
    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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  • 5
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    Psychological treatments: Smart tools boost mental-health care (2014)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2014-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gaggioli, Andrea -- Riva, Giuseppe -- England -- Nature. 2014 Aug 7;512(7512):28. doi: 10.1038/512028b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Catholic University; and Istituto Auxologico, Milan, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25100471" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Phones ; Cognitive Therapy ; Evidence-Based Medicine/instrumentation ; Humans ; Internet ; Mental Disorders/*therapy ; Mobile Applications ; Monitoring, Ambulatory/instrumentation ; Neurophysiological Monitoring/instrumentation ; Virtual Reality Exposure Therapy
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 6
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    Erosion of lizard diversity by climate change and altered thermal niches (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-05-15
    Description: It is predicted that climate change will cause species extinctions and distributional shifts in coming decades, but data to validate these predictions are relatively scarce. Here, we compare recent and historical surveys for 48 Mexican lizard species at 200 sites. Since 1975, 12% of local populations have gone extinct. We verified physiological models of extinction risk with observed local extinctions and extended projections worldwide. Since 1975, we estimate that 4% of local populations have gone extinct worldwide, but by 2080 local extinctions are projected to reach 39% worldwide, and species extinctions may reach 20%. Global extinction projections were validated with local extinctions observed from 1975 to 2009 for regional biotas on four other continents, suggesting that lizards have already crossed a threshold for extinctions caused by climate change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sinervo, Barry -- Mendez-de-la-Cruz, Fausto -- Miles, Donald B -- Heulin, Benoit -- Bastiaans, Elizabeth -- Villagran-Santa Cruz, Maricela -- Lara-Resendiz, Rafael -- Martinez-Mendez, Norberto -- Calderon-Espinosa, Martha Lucia -- Meza-Lazaro, Rubi Nelsi -- Gadsden, Hector -- Avila, Luciano Javier -- Morando, Mariana -- De la Riva, Ignacio J -- Victoriano Sepulveda, Pedro -- Rocha, Carlos Frederico Duarte -- Ibarguengoytia, Nora -- Aguilar Puntriano, Cesar -- Massot, Manuel -- Lepetz, Virginie -- Oksanen, Tuula A -- Chapple, David G -- Bauer, Aaron M -- Branch, William R -- Clobert, Jean -- Sites, Jack W Jr -- New York, N.Y. -- Science. 2010 May 14;328(5980):894-9. doi: 10.1126/science.1184695.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95064, USA. lizardrps@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20466932" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Animals ; *Biodiversity ; Biological Evolution ; Body Temperature ; *Climate Change ; *Ecosystem ; *Extinction, Biological ; Female ; Forecasting ; Geography ; Global Warming ; *Lizards/genetics/physiology ; Male ; Mexico ; Models, Biological ; Phylogeny ; Population Dynamics ; Reproduction ; Seasons ; Selection, Genetic ; Temperature
    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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