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  • American Association for the Advancement of Science (AAAS)  (74)
  • American Meteorological Society
  • 1
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    American Association for the Advancement of Science (AAAS)
    In: Science
    Publikationsdatum: 2019
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Introduction of legal rights for nature could protect natural systems from destruction〈/p〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Allgemeine Naturwissenschaft
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 1999-09-25
    Beschreibung: Mass mortalities due to disease outbreaks have recently affected major taxa in the oceans. For closely monitored groups like corals and marine mammals, reports of the frequency of epidemics and the number of new diseases have increased recently. A dramatic global increase in the severity of coral bleaching in 1997-98 is coincident with high El Nino temperatures. Such climate-mediated, physiological stresses may compromise host resistance and increase frequency of opportunistic diseases. Where documented, new diseases typically have emerged through host or range shifts of known pathogens. Both climate and human activities may have also accelerated global transport of species, bringing together pathogens and previously unexposed host populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harvell, C D -- Kim, K -- Burkholder, J M -- Colwell, R R -- Epstein, P R -- Grimes, D J -- Hofmann, E E -- Lipp, E K -- Osterhaus, A D -- Overstreet, R M -- Porter, J W -- Smith, G W -- Vasta, G R -- 1PO1 ES09563/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1505-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10498537" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aquaculture ; *Climate ; Cnidaria ; *Disease Outbreaks/*veterinary ; Humans ; Infection/epidemiology/*etiology/transmission/*veterinary ; *Marine Biology ; Oceans and Seas ; Water Pollution
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1999-08-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Epstein, P R -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):347-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Health and the Global Environment, Harvard Medical School, Boston, MA 02115, USA. paul_epstein@hms.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10438299" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Africa, Eastern/epidemiology ; Animals ; *Climate ; Communicable Disease Control ; Communicable Diseases/*epidemiology/etiology ; Disease Outbreaks ; Ecosystem ; Forecasting ; *Global Health ; Humans ; Rift Valley Fever/*epidemiology/etiology/veterinary ; *Weather
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1998-03-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colwell, R R -- Epstein, P R -- Gubler, D -- Maynard, N -- McMichael, A J -- Patz, J A -- Sack, R B -- Shope, R -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):968-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9490480" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Climate ; Humans ; *Public Health ; Public Health Practice ; Research ; Risk Assessment
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Publikationsdatum: 1999-01-29
    Beschreibung: A carbapenem antibiotic, L-786,392, was designed so that the side chain that provides high-affinity binding to the penicillin-binding proteins responsible for bacterial resistance was also the structural basis for ameliorating immunopathology. Expulsion of the side chain upon opening of the beta-lactam ring retained antibacterial activity while safely expelling the immunodominant epitope. L-786,392 was well tolerated in animal safety studies and had significant in vitro and in vivo activities against methicillin- and vancomycin-resistant Staphylococci and vancomycin-resistant Enterococci.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, H -- Hajdu, R -- Silver, L -- Kropp, H -- Dorso, K -- Kohler, J -- Sundelof, J G -- Huber, J -- Hammond, G G -- Jackson, J J -- Gill, C J -- Thompson, R -- Pelak, B A -- Epstein-Toney, J H -- Lankas, G -- Wilkening, R R -- Wildonger, K J -- Blizzard, T A -- DiNinno, F P -- Ratcliffe, R W -- Heck, J V -- Kozarich, J W -- Hammond, M L -- New York, N.Y. -- Science. 1999 Jan 29;283(5402):703-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Merck Research Laboratories, Rahway, NJ 07065, USA. hugh_rosen@merck.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9924033" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antibodies/blood ; *Bacterial Proteins ; Carbapenems/chemistry/*immunology/metabolism/*pharmacology/toxicity ; Carrier Proteins/metabolism ; Dipeptidases/metabolism ; *Drug Design ; Drug Resistance, Microbial ; Drug Resistance, Multiple ; Enterococcus/drug effects ; Erythrocytes/immunology ; Haptens ; *Hexosyltransferases ; Humans ; Immunodominant Epitopes ; Immunoglobulin G/blood ; Lactams/chemical synthesis/chemistry/metabolism/*pharmacology ; Lymphocyte Activation ; Macaca mulatta ; Mice ; Mice, Inbred DBA ; Microbial Sensitivity Tests ; Muramoylpentapeptide Carboxypeptidase/metabolism ; Penicillin-Binding Proteins ; *Peptidyl Transferases ; Staphylococcal Infections/drug therapy ; Staphylococcus/drug effects ; Thiazoles/chemical synthesis/chemistry/metabolism/*pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Publikationsdatum: 2002-05-11
    Beschreibung: The majority (〉99%) of microorganisms from the environment resist cultivation in the laboratory. Ribosomal RNA analysis suggests that uncultivated organisms are found in nearly every prokaryotic group, and several divisions have no known cultivable representatives. We designed a diffusion chamber that allowed the growth of previously uncultivated microorganisms in a simulated natural environment. Colonies of representative marine organisms were isolated in pure culture. These isolates did not grow on artificial media alone but formed colonies in the presence of other microorganisms. This observation may help explain the nature of microbial uncultivability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaeberlein, T -- Lewis, K -- Epstein, S S -- New York, N.Y. -- Science. 2002 May 10;296(5570):1127-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, Northeastern University, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12004133" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacteria/classification/cytology/*growth & development/*isolation & purification ; *Bacteriological Techniques ; Colony Count, Microbial ; Culture Media ; DNA, Bacterial/analysis/genetics ; DNA, Ribosomal/analysis/genetics ; Diffusion Chambers, Culture ; Geologic Sediments/*microbiology ; Molecular Sequence Data ; RNA, Ribosomal, 16S/genetics ; *Seawater ; Silicon Dioxide
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Publikationsdatum: 2001-04-09
    Beschreibung: The Drosophila melanogaster gene insulin-like receptor (InR) is homologous to mammalian insulin receptors as well as to Caenorhabditis elegans daf-2, a signal transducer regulating worm dauer formation and adult longevity. We describe a heteroallelic, hypomorphic genotype of mutant InR, which yields dwarf females with up to an 85% extension of adult longevity and dwarf males with reduced late age-specific mortality. Treatment of the long-lived InR dwarfs with a juvenile hormone analog restores life expectancy toward that of wild-type controls. We conclude that juvenile hormone deficiency, which results from InR signal pathway mutation, is sufficient to extend life-span, and that in flies, insulin-like ligands nonautonomously mediate aging through retardation of growth or activation of specific endocrine tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tatar, M -- Kopelman, A -- Epstein, D -- Tu, M P -- Yin, C M -- Garofalo, R S -- R01 AG16632/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2001 Apr 6;292(5514):107-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Brown University, Providence, RI 02912, USA., University of Massachusetts, Amherst, MA 01003, USA. Marc_Tatar@Brown.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11292875" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/*physiology ; Alleles ; Animals ; Carrier Proteins/*genetics/*physiology ; Corpora Allata/*metabolism ; *Drosophila Proteins ; Drosophila melanogaster/genetics/*physiology ; Female ; Fertility ; Genes, Insect ; Genotype ; Insulin/pharmacology ; Juvenile Hormones/metabolism ; Longevity/*physiology ; Male ; Methoprene/pharmacology ; Mutation ; Protein-Tyrosine Kinases/*genetics/*physiology ; *Receptor Protein-Tyrosine Kinases ; Receptor, Insulin/genetics/physiology ; Reproduction ; Signal Transduction ; Superoxide Dismutase/metabolism ; Triglycerides/metabolism ; Vitellogenesis/drug effects
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2001-10-27
    Beschreibung: Almost 30 years have passed since the discovery of concentric (target) and spiral waves in the spatially extended Belousov-Zhabotinsky (BZ) reaction. Since then, rotating spirals and target waves have been observed in a variety of physical, chemical, and biological reaction-diffusion systems. All of these waves propagate out from the spiral center or pacemaker. We report observations of inwardly rotating spirals found in the BZ system dispersed in water droplets of a water-in-oil microemulsion. These "antispirals" were also generated in computer simulations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vanag, V K -- Epstein, I R -- New York, N.Y. -- Science. 2001 Oct 26;294(5543):835-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Volen Center for Complex Systems, Brandeis University, Waltham, MA 02454, USA. vanag@brandeis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11679665" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Publikationsdatum: 1991-06-07
    Beschreibung: The reaction of bis(benzene)vanadium with tetracyanoethylene, TCNE, affords an insoluble amorphous black solid that exhibits field-dependent magnetization and hysteresis at room temperature. The critical temperature could not be estimated as it exceeds 350 kelvin, the thermal decomposition temperature of the sample. The empirical composition of the reported material is V(TCNE)x.Y(CH(2)Cl(2)) with x approximately 2 and Y approximately 1/2. On the basis of the available magnetic and infrared data, threedimensional antiferromagnetic exchange of the donor and acceptor spins resulting in ferrimagnetic behavior appears to be the mode of magnetic coupling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Manriquez, J M -- Yee, G T -- McLean, R S -- Epstein, A J -- Miller, J S -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1415-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17772914" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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