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  • Chemistry  (12)
  • *Climate  (3)
  • Life and Medical Sciences  (2)
  • RFLP
  • 1995-1999  (14)
  • 1970-1974  (2)
  • 1925-1929  (3)
  • 1
    Publication Date: 1999-09-25
    Description: 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〉
    Keywords: Animals ; Aquaculture ; *Climate ; Cnidaria ; *Disease Outbreaks/*veterinary ; Humans ; Infection/epidemiology/*etiology/transmission/*veterinary ; *Marine Biology ; Oceans and Seas ; Water Pollution
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1999-08-07
    Description: 〈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〉
    Keywords: 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
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 1998-03-07
    Description: 〈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〉
    Keywords: *Climate ; Humans ; *Public Health ; Public Health Practice ; Research ; Risk Assessment
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 92 (1996), S. 448-454 
    ISSN: 1432-2242
    Keywords: Key words  Wheat ; Salt tolerance ; Homoeologous recombination ; QTL ; RFLP ; Genetic marker
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract   In saline environments, bread wheat, Triticum aestivum L. (genomes AABBDD), accumulates less Na+ and more K+ in expanding and young leaves than durum wheat, T. turgidum L. (genomes AABB). Higher K+/Na+ ratios in leaves of bread wheat correlate with its higher salt tolerance. Chromosome 4D from bread wheat was shown in previous work to play an important role in the control of this trait and was recombined with chromosome 4B in the absence of the Ph1 locus. A population of plants disomic for 4D/4B recombined chromosomes in the genetic background of T. turgidum was developed to investigate the genetic control of K+/Na+ discrimination by chromosome 4D. Evidence was obtained that the trait is controlled by a single locus, designated Kna1, in the long arm of chromosome 4D. In the present work, K+/Na+ discrimination was determined for additional families with 4D/4B chromosomes. The concentrations of Na+ and K+/Na+ ratios in the youngest leaf blades clustered in two nonoverlapping classes, and all recombinant families could be unequivocally assigned to Kna1 and kna1 classes. The Kna1 locus scored this way was mapped on a short region in the 4DL arm and was completely linked to Xwg199, Xabc305, Xbcd402, Xpsr567, and Xpsr375; it was also mapped as a quantitative trait. The results of the QTL analysis, based on the K+/Na+ ratios in the young leaves of greenhouse-grown plants and flag leaves of field-grown plants, agreed with the position of Kna1 determined as a qualitative trait. Several aspects of gene introgression by manipulation of the Ph1 locus are discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 92 (1996), S. 448-454 
    ISSN: 1432-2242
    Keywords: Wheat ; Salt tolerance ; Homoeologous recombination ; QTL ; RFLP ; Genetic marker
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In saline environments, bread wheat, Triticum aestivum L. (genomes AABBDD), accumulates less Na+ and more K+ in expanding and young leaves than durum wheat, T. turgidum L. (genomes AABB). Higher K+/Na+ ratios in leaves of bread wheat correlate with its higher salt tolerance. Chromosome 4D from bread wheat was shown in previous work to play an important role in the control of this trait and was recombined with chromosome 4B in the absence of the Ph1 locus. A population of plants disomic for 4D/4B recombined chromosomes in the genetic background of T. turgidum was developed to investigate the genetic control of K+/Na+ discrimination by chromosome 4D. Evidence was obtained that the trait is controlled by a single locus, designated Kna1, in the long arm of chromosome 4D. In the present work, K+/Na+ discrimination was determined for additional families with 4D/4B chromosomes. The concentrations of Na+ and K+/Na+ ratios in the youngest leaf blades clustered in two nonoverlapping classes, and all recombinant families could be unequivocally assigned to Kna1 and kna1 classes. The Kna1 locus scored this way was mapped on a short region in the 4DL arm and was completely linked to Xwg199, Xabc305, Xbcd.402, Xpsr567, and Xpsr375; it was also mapped as a quantitative trait. The results of the QTL analysis, based on the K+/Na+ ratios in the young leaves of greenhousegrown plants and flag leaves of field-grown plants, agreed with the position of Knal determined as a qualitative trait. Several aspects of gene introgression by manipulation of the Ph1 locus are discussed.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 33 (1995), S. 1227-1234 
    ISSN: 0887-624X
    Keywords: polyanilines ; derivatives ; chemical synthesis ; oxidation state ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Syntheses of parent polyaniline and methyl, methoxy, and ethoxy ortho-substituted polyanilines were performed using the conventional chemical methodology and monitored using the new open-circuit-potential (Voc) profile technique. The intermediate pernigraniline oxidation state was identified and isolated at the Voc maximum (A) during the conventional chemical synthesis of poly(o-methoxyaniline) in the emeraldine oxidation state. The introduction of the substituent on the aniline ring leads to longer polymerization times and lower Voc values. Syntheses in the presence of two different monomers in solution were also investigated and showed preferential polymerization of the monomer with the lowest Voc potential. All polymers produced were characterized by elemental analysis, gel permeation chromatography, UV-VIS spectroscopy, and cyclic voltammetry. The influence of the substituent on the Voc profile and on the polymer characteristics are rationalized in terms of steric and electronic effects. © 1995 John Wiley & Sons, Inc.
    Additional Material: 5 Ill.
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  • 7
    ISSN: 0935-9648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 20 (1974), S. 678-687 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Growth and dissolution rates of nickel sulfate α-hexahydrate were measured as functions of the concentration driving force in a laboratory-scale fluidized-bed crystallizer for the temperature range 35° to 50°C and the crystal size range 0.5 to 4.0 mm.Dissolution rates at a given temperature and crystal size were first order in the concentration driving force. Growth rates were about one-quarter of dissolution rates and depended on a higher exponent (around 1.3) of the concentration driving force. This exponent was not significantly affected by variations in crystal size, but decreased as temperature increased. The apparent variation of growth rate itself with crystal size at constant temperature was slight. Growth rates were found to be insensitive to solids concentration.
    Additional Material: 12 Ill.
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  • 9
    ISSN: 0730-2312
    Keywords: nuclear bodies ; promyelocytic leukemia protein ; herpes simplex virus ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: The promyelocytic leukemia protien fused to the retinoic acid receptor in t(15;17) acute promyelocytic leukemia, the primary biliary cirrhosis autoantigen, Sp100, as well as the incompletely charterized protien NDP55, are co-localized in specific immunohistochemically defined nuclear domains (ND10), which are potential equyivalents of ultrastructurally defined nuclear bodies. We investigated whether the distribution of these proteins depends on environmental conditions and whether ND10 correlate with nuclear bodies. Certain nuclear bodies and ND10 react in a similar bodies, which herpes simplex virus infection or heat shock modify both. Redistribution of ND10-associated proteins to hundreds of small sites throughout the chromatin was inducible by stress in the form of heat shock and exposure to Cd++ ions. The change of distribution was rapid and independent of proteins synthesis, and thus not part of the classical heat shock response. The very rapid redistribution of these proteins after heat shock, together with the development of ND10 upon interferon actication, raises the possibility that ND10 represent storage sites of certain matrix proteins readily accessible throughout the chromatin in response to stress or other effectors that induce global nuclear changes. © 1995 Wiley-Liss, Inc.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 34 (1996), S. 1005-1018 
    ISSN: 0887-6266
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The dilute solution properties of copolymers are briefly discussed in relation to those of the parent homopolymers. It is shown that copolymer molecules are usually more expanded in solution than would be expected from the averaged behavior of the pure polymers, because of repulsive interactions between the unlike monomer units. A thermodynamic parameter χAB characterizing these interactions can be derived from measurements of the dilute solution properties of copolymers. In favorable cases this parameter can be independently evaluated from studies of ternary systems composed of the two parent homopolymers and a solvent, thus allowing prediction of the behavior of the copolymer. Light scattering and viscosity measurements on fractions of approximately equimolal copolymers of styrene and methyl methacrylate are presented and analyzed. The values of χAB deduced from the results in two solvents agree satisfactorily with each other, but are somewhat larger than those earlier obtained from measurements on ternary systems.
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