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  • 1
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    Aging and endocrinology (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watson, R R -- New York, N.Y. -- Science. 1998 Jan 16;279(5349):304-5; author reply 306.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9454317" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/*drug effects ; Animals ; Clinical Trials as Topic ; Dehydroepiandrosterone/*pharmacology/therapeutic use ; Drug Synergism ; Female ; Humans ; Melatonin/*pharmacology/therapeutic use ; Mice ; Mice, Inbred C57BL ; Vitamin E/pharmacology/therapeutic use
    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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  • 2
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    Hair analysis (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martinez, F -- Poet, T S -- Watson, R R -- New York, N.Y. -- Science. 1990 Nov 23;250(4984):1070.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2251495" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cocaine/metabolism/pharmacokinetics ; Hair/*chemistry/metabolism ; Humans ; Male ; Mice ; Morphine/metabolism/pharmacokinetics ; *Substance Abuse Detection
    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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  • 3
    Electronic Resource
    Electronic Resource
    CONCENTRATIONS OF IMMUNOGLOBULIN G AND AMYLASE IN SALIVA OF MODERATELY PROTEIN UNDERNOURISHED RATS (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Chronic protein insufficiency was achieved in rats with an 8% protein diet initiated at weaning. The amount of total protein/ml of saliva, volume of saliva secreted in 30 min, and total protein in stimulated saliva collected during 30 mm were decreased in the in utero malnourished rats. Malnutrition applied after weaning did not significantly suppress saliva flow. Albumin levels in saliva and the host defense capacity of saliva in the level of IgG were not significantly suppressed by dietary status. However amylase was found at a lower level in saliva.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1980.tb07530.x
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    Paper (German National Licenses)
    Fulltext
  • 4
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    Interrupted carbonyl-olefin metathesis via oxygen atom transfer (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-28
    Description: Some of the simplest and most powerful carbon-carbon bond forming strategies take advantage of readily accessible ubiquitous motifs: carbonyls and olefins. Here we report a fundamentally distinct mode of reactivity between carbonyls and olefins that differs from established acid-catalyzed carbonyl-ene, Prins, and carbonyl-olefin metathesis reaction paths. A range of epsilon, zeta-unsaturated ketones undergo Brønsted acid–catalyzed intramolecular cyclization to provide tetrahydrofluorene products via the formation of two new carbon-carbon bonds. Theoretical calculations and accompanying mechanistic studies suggest that this carbocyclization reaction proceeds through the intermediacy of a transient oxetane formed by oxygen atom transfer. The complex polycyclic frameworks in this product class appear as common substructures in organic materials, bioactive natural products, and recently developed pharmaceuticals.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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