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  • Articles  (9,896)
  • Springer  (8,086)
  • American Association for the Advancement of Science (AAAS)  (1,810)
  • 2020-2022  (904)
  • 1980-1984  (8,992)
  • Biology  (9,896)
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  • Articles  (9,896)
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  • 1
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Sulfur (S) cycling in a chestnut oak forest on Walker Branch Watershed, Tennessee, was dominated by geochemical processes involving sulfate. Even though available SO 4 2- was present far in excess of forest nutritional requirements, the ecosystem as a whole accumulated ∼60% of incoming SO4−S. Most (90%) of this accumulation occurred by SO 4 2- adsorption in sesquioxide-rich subsurface soils, with a relatively minor amount accumulating and cycling as SO 4 2- within vegetative components. Organic sulfates are thought to constitute a large proportion of total S in surface soils, also, and to provide a pool of readily mineralized available S within the ecosystem.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 1982-08-01
    Print ISSN: 0029-8549
    Electronic ISSN: 1432-1939
    Topics: Biology
    Published by Springer
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  • 3
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract An I-J-subregion controlled determinant is expressed on Ly-1 inducer and Ly-1,2 acceptor T cells in the feedback suppression circuit. Ly-1 T cells absorb the I-J antibody reactive with the Ly-1,2 acceptor T cell, suggesting that both inducer and acceptor T cells have the same 1-J determinant. Since less than 10 percent of Ly-1 or Ly-1,2 T cells are killed by anti-I-J plus complement treatment, the I-J determinant demarcates functionally distinct subsets of both the Ly-1 and Ly-1,2 T-cell sets. This I-J determinant is not expressed on a detectable number of Ly-1 helper T cells which induce B lymphocytes to produce anti-sheep red cell antibody in tissue culture.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of chemical ecology 8 (1982), S. 429-438 
    ISSN: 1573-1561
    Keywords: Attractants ; human ; mosquito ; collection ; concentration ; Aedes aegypti ; Anopheles quadrimaculatus ; Diptera ; Culicidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The residue left on glass surfaces by human hands was found to be attractive to femaleAedes aegypti (L.) andAnopheles quadrimaculatus Say mosquitoes. The material lost half of its activity in 1 hr. A solvent wash technique was developed to recover and concentrate the residuum from handled glass beads. The residuum could be recovered effectively with absolute ethanol and less effectively with several other solvents. More mosquitoes were attracted to heated than to unheated residuum, an indication of its volatility. Also, attraction of the residuum decreased with decreasing concentration or dose. Concentrated residuum collections, stored under refrigeration and tested for longevity, showed no appreciable loss of attractiveness up to 60 days of storage.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 21 (1983), S. 657-663 
    ISSN: 1741-0444
    Keywords: Biomechanical stability ; External fixation ; Pelvic fractures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract A laboratory cadaveric model, developed previously for the study of currently employed external fixation devices used for unstable pelvic fractures was used to evaluate rigidity improvements associated with a number of fixation design innovations. Based on quasistatic shearing displacements measured at the sacro-iliac joint and symphysis pubis disruption sites, otherwise identical anterior frameworks constructed on 5 mm fixation halfpins, rather than upon standard 4 mm halfpins, were able to sustain markedly (58% to 210%) greater loadings. A new and very simple traingular framework was designed and constructed for which the fixation rigidity was found to rival that of much more complex and cumbersome double anterior frames. When used as the posterior component of combined anterior/posterior fixation systems, a new double cobra-type (internal) plate allowed the injury model pelvises to sustain near-physiological load levels. A pair of dynamic compression plates attached across a disrupted symphysis pubis was found to be a biomechanically acceptable substitute for an anterior external fixator.
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  • 6
    Publication Date: 1981-12-04
    Description: A DNA sequence coding for the immunogenic capsid protein VP3 of foot-and-mouth disease virus A12, prepared from the virion RNA, was ligated to a plasmid designed to express a chimeric protein from the Escherichia coli tryptophan promoter-operator system. When Escherichia coli transformed with this plasmid was grown in tryptophan-depleted media, approximately 17 percent of the total cellular protein was found to be an insoluble and stable chimeric protein. The purified chimeric protein competed equally on a molar basis with VP3 for specific antibodies to foot-and-mouth disease virus. When inoculated into six cattle and two swine, this protein elicited high levels of neutralizing antibody and protection against challenge with foot-and-mouth disease virus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kleid, D G -- Yansura, D -- Small, B -- Dowbenko, D -- Moore, D M -- Grubman, M J -- McKercher, P D -- Morgan, D O -- Robertson, B H -- Bachrach, H L -- New York, N.Y. -- Science. 1981 Dec 4;214(4525):1125-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6272395" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibody Formation ; Base Sequence ; Cattle ; Cattle Diseases/*prevention & control ; *Cloning, Molecular ; DNA Restriction Enzymes ; DNA, Recombinant/metabolism ; Foot-and-Mouth Disease/*prevention & control ; Immunity, Cellular ; Protein Biosynthesis ; Swine ; Swine Diseases/*prevention & control ; Transcription, Genetic ; *Vaccines ; Viral Proteins/genetics/*therapeutic use
    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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  • 7
    Publication Date: 1982-06-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baltimore, D -- Berg, P -- Bloch, K E -- Brown, D D -- Kornberg, A -- Nathans, D -- Smith, H O -- Watson, J D -- Thomas, L -- New York, N.Y. -- Science. 1982 Jun 4;216(4550):1046.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17808459" target="_blank"〉PubMed〈/a〉
    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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  • 8
    Publication Date: 1982-01-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strehler, B L -- Abraham, S -- Bayreuther, K -- Bienenstock, A -- Binstock, R -- Birren, J -- Blumenthal, H T -- Brautbar, C -- Brody, E M -- Brody, H -- Comfort, A -- Cottle, R W -- Danielli, J F -- Danon, D -- Datan, N -- Ebbesen, P -- Elsen, A -- Freundt, E A -- Gallop, P M -- Girardi, A J -- Glenn, P F -- Goheen, J D -- Goldstein, S -- Good, R A -- Goodlin, R C -- Granoff, A -- Gray, A -- Haber, P A -- Hamparian, V V -- Hijmans, W -- Holliday, R -- Horvath, S M -- Houck, J C -- Huebner, R J -- Itoh, H -- Jukes, T -- Kaplan, H S -- Kirkman, H -- Kuwert, E -- Leiderman, P H -- Liss, A -- Litwin, J -- Lubin, B -- Macieira-Coelho, A -- Madoff, S -- Maletta, G J -- Maramorosch, K -- Martin, G M -- Masover, G -- Matsumura, T -- Medvedev, Z -- Melnick, J L -- Merchant, D J -- Namba, M -- Neter, E -- Neugarten, B -- Orgel, L -- Outschoorn, A S -- Pace, D M -- Packer, L -- Parker, J C -- Patterson, M D Jr -- Pollard, M -- Portnuff, J -- Razin, S -- Reiff, T R -- Robert, L -- Rockstein, M -- Rosamoff, H -- Rosanoff, E I -- Rottem, S -- Schachter, J -- Schwartz, H -- Shanas, E -- Shimkin, M B -- Smith, J R -- Somerson, N L -- Stinebring, W -- Textor, R -- Thomas, L -- Viidik, A -- Weg, R -- Yabrov, A -- Yanofsky, C -- Zatz, L M -- New York, N.Y. -- Science. 1982 Jan 15;215(4530):240-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17784330" target="_blank"〉PubMed〈/a〉
    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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  • 9
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Los Angeles-Long Beach Harbors were a grossly polluted body of water at the time of the initiation of benthic biological studies in 1951. Industrial, domestic and storm wastes were emptied into these waters with little or no treatment. The inner harbor waters contained little or no dissolved oxygen and much of the benthos was azoic or possessed a stressed community. However, the outer harbor water mass contained adequate dissolved oxygen, and the benthos supported a rich fauna dominated by many species of polychaetes. A pollution abatement program was initiated in 1968, and today many former wastes have been eliminated or are being diverted to treatment plants for processing. The benthic fauna changed markedly and rapidly following this environmental clean-up. Peaks in population were reached throughout the harbor in 1973–1974 which was followed by a slight decline then stability. An oil tanker explosion, pre-treatment of fish-cannery wastes then diversion of these wastes to a sewage treatment plant, and a change from primary to secondary treatment of sewage brought about changes in the benthic fauna. In the latter instance, benthic population of polychaetes, fish populations and the number of birds feeding within the area decreased significantly.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 40 (1984), S. 69-70 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Male rats were run downhill for 90 minutes (nonexhaustive). Following the exercise, muscle protein degradation was increased, as determined by urinary 3-methylhistidine. However, minimal changes were observed in the relative percentage of the minor myofibrillar proteins and in the protease calcium activated factor in the long head of the triceps brachii muscle (eccentrically exercised) following the exercise bout.
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