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  • 1
    Electronic Resource
    Electronic Resource
    Endothelial lipopigment as an indicator of α-tocopherol deficiency in two equine neurodegenerative diseases (1995)
    Springer
    Acta neuropathologica 90 (1995), S. 266-272 
    Details
    ISSN: 1432-0533
    Keywords: Key words Central nervous system endothelial ; lipopigment ; Equine motor neuron disease ; Equine ; degenerative myeloencephalopathy ; Vitamin E ; deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two spontaneous neurodegenerative diseases of the horse, equine motor neuron disease (EMND) and equine degenerative myeloencephalopathy (EDM), have been associated with α-tocopherol deficiency, and both were characterized by prominent accumulations of endothelial lipopigment in the small vessels of the spinal cord. These endothelial pigment deposits appear to be reversible. In EMND horses pasture-supplemented for 9 months or more after the progression of weakness and wasting had arrested, there was very little endothelial lipopigment. The origin and the potential effects of these endothelial lipopigment accumulations are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00296510
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Endothelial lipopigment as an indicator of α-tocopherol deficiency in two equine neurodegenerative diseases (1995)
    Springer
    Acta neuropathologica 90 (1995), S. 266-272 
    Details
    ISSN: 1432-0533
    Keywords: Central nervous system endothelial lipopigment ; Equine motor neuron disease ; Equine degenerative myeloencephalopathy ; Vitamin E deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two spontaneous neurodegenerative diseases of the horse, equine motor neuron disease (EMND) and equine degenerative myeloencephalopathy (EDM), have been associated with α-tocopherol deficiency, and both were characterized by prominent accumulations of endothelial lipopigment in the small vessels of the spinal cord. These endothelial pigment deposits appear to be reversible. In EMND horses pasture-supplemented for 9 months or more after the progression of weakness and wasting had arrested, there was very little endothelial lipopigment. The origin and the potential effects of these endothelial lipopigment accumulations are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00296510
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Effect of Size upon Metal Content of Lobster (Thenus orientalis) from the Kuwait Marine Environment (1998)
    Springer
    Bulletin of environmental contamination and toxicology 61 (1998), S. 175-181 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001289900745
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Cournot, Bertrand, and game theory: A further note (1999)
    Springer
    Atlantic economic journal 27 (1999), S. 325-333 
    Details
    ISSN: 1573-9678
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This note synthesizes the discussion on the role of Cournot and Bertrand in the analysis of duopoly by drawing on the history of the debate. We conclude that while Bertrand presented a critique of the mathematical economics of Cournot and stimulated the analysis of strategic choice in game theory, he did not present a duopoly model with price as a strategic variable, as opposed to Cournot's model with quantity. In fact, Cournot has both types of models. We show that Irving Fisher contributed to the myth about Bertrand's duopoly theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02299582
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  • 5
    Electronic Resource
    Electronic Resource
    An interdisciplinary and systems-based evaluation of academic programs: Bovine mastitis-related veterinary research, education and outreach (1997)
    Springer
    Scientometrics 40 (1997), S. 195-213 
    Details
    ISSN: 1588-2861
    Source: Springer Online Journal Archives 1860-2000
    Topics: Information Science and Librarianship , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract An interdisciplinary and systems-oriented approach for evaluation of academic programs was explored in veterinary research, education and extension in the context of prevention of bovine mastitis. Bibliometric-based document analysis and observation methods were used to assess disciplinary contents of veterinary research and graduate education theses, and New York State dairy farmers' adoption rate of selected veterinary recommendations (bacteriological testing of raw milk, “closed herds”, and three hygiene-related practices). Findings indicated that: a) the veterinary extension literature was lower in output and less differentiated in disciplinary content than that of the agricultural counterpart; b) three disciplines accounted for 85% of all theses major contents; and c) 39.7% of New York dairies requested bacteriological testing, 50% of investigated dairies had “closed herds” and at least 9.4% of those did not adopt all the hygiene-related practices. Context-specific recommendations are proposed. It is concluded that this evaluation approach may facilitate policy analysis, program development and may be applicable to other academic settings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02457437
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  • 6
    Electronic Resource
    Electronic Resource
    Interdisciplinary question generation: Synthesis and validity analysis of the 1993–1997 bovine mastitis-related literature (1998)
    Springer
    Scientometrics 42 (1998), S. 377-403 
    Details
    ISSN: 1588-2861
    Source: Springer Online Journal Archives 1860-2000
    Topics: Information Science and Librarianship , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Interdisciplinary synthesis and validity analysis (ISVA), a structured learning approach which integrates learning and communication theories, meta-analytic evaluation methods, and literature management-related technologies was applied in the context of the 1993–1997 bovine mastitis research literature. This study investigated whether ISVA could: 1) facilitate the analysis and synthesis of interdisciplinary knowledge claims, and 2) generate projects or research questions. The bovine mastitis-related literature was conceptualized as composed of microbiological, immunological, and epidemiological dimensions. Keywords involving these dimensions were searched in theMedline andAgricola databases. A final list of 148 articles were retrieved, analyzed, synthesized into fifteen information sub-sets, and evaluated for construct, internal, external and statistical validity through an interdisciplinary iterative dialogical process. Validity threats were re-phrased as new research or educational projects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02458378
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Gender-related regional antioxidant profiles in the gastrointestinal tract of the rat (1996)
    Springer
    Molecular and cellular biochemistry 155 (1996), S. 43-49 
    Details
    ISSN: 1573-4919
    Keywords: gastrointestinal mucosa ; glutathione ; glutathione peroxidase ; glutathione reductase ; superoxide dismutase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract This study compared the activities of the antioxidant enzymes glutathione peroxidase, glutathione reductase and superoxide dismutase and the levels of glutathione in the mucosa of the body of the stomach, proximal and distal parts of the small intestine and the colon in male and female Sprague Dawley rats. Basal glutathione levels were significantly (p 〈 0.05) higher in the small intestine as compared with those in the other portions studied in both sexes. Except for colonic mucosa in females, the activity of glutathione reductase was similar in all the other tissues examined. Glutathione peroxidase showed the largest regional differences, with activities in the gastric segment being several-fold greater than those in small intestine or colon. This enzyme also showed marked gender-related differences, activity being greater in females than males in gastric mucosa and colon, while the converse was true for distal small intestine. In contrast, activities of superoxide dismutase showed minimal regional or gender-dependent variations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00714332
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  • 8
    Electronic Resource
    Electronic Resource
    Ethanol-induced gastrointestinal damage influence of endogenous antioxidant components and gender (1996)
    Springer
    Digestive diseases and sciences 41 (1996), S. 791-797 
    Details
    ISSN: 1573-2568
    Keywords: ethanol ; gastrointestinal mucosa ; glutathione ; antioxidant enzymes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study compared the effects of undiluted and 8% ethanol administered orally on gastrointestinal antioxidant components of male and female rats. Eight percent ethanol increased the activities of duodenal glutathione peroxidase (29% in males, 14% in females) and superoxide dismutase in female gastric (24%) and male duodenal (15%) mucosa. This dose of ethanol also increased the glutathione content of gastric mucosa (12% in males, 13% in females). Undiluted ethanol decreased glutathione levels in gastric mucosa (22% in males, 11% in females) and increased glutathione peroxidase activity in gastric mucosa (14% in males, 9% in females). Undiluted alcohol also produced decreases in the activity of glutathione reductase in stomach (14% in males, 9% in females) and duodenum (16% in males, 12% in females). Undiluted ethanol caused mucosal damage in the body of the stomach in both genders, accompanied by an increase in luminal pH and fluid accumulation in the stomach; these changes were absent in rats given 8% ethanol. The increase in gastrointestinal antioxidant capacity associated with the administration of 8% ethanol may be a factor in the reported cytoprotective effect of lower doses of ethanol.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02213136
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  • 9
    Electronic Resource
    Electronic Resource
    Walrasian General Equilibrium and Nonlinear Dynamics (1998)
    Springer
    Nonlinear dynamics, psychology, and life sciences 2 (1998), S. 59-72 
    Details
    ISSN: 1573-6652
    Keywords: nonlinear dynamics ; value ; consumer surplus ; structural stability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract Investigations of the structural stability of the general equilibrium model show that within a nonlinear framework, the differential equation governing price adjustment requires two conditions: (a) The number of agents must be greater than or equal to the number of commodities; and (b) severe restrictions on the nature of preferences must be placed. These restrictions are the same as the restrictions on preferences that are required by Chipman and Moore (1980) in order to obtain an exact and an invariant measure of consumer surplus, which is the measure and standard of value in neoclassical economics. When the Chipman-Moore conditions are examined, it is clear that the required restrictions on preferences can also be understood as requiring the constancy of the marginal utility of money, either with respect to all prices (homothetic preferences), or with respect to income and all prices except the numeraire commodity (parallel preferences). The constancy of the marginal utility between the rich and the poor implies an unintended interpersonal comparison of utility. This makes the theory of value rather special, and has implications for much applied work such as benefit-cost analysis or other social decision-making, which requires a general theory of value. It is the utilitarian formulation of welfare, which by definition means that only utility information is taken into account, that leads to the restrictive theory of value. Consequently, avoiding utilitarianism requires an approach to social choice theory that takes other information about well-being into account in social decision-making.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022376227721
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  • 10
    Electronic Resource
    Electronic Resource
    Chemistry of Crotononitrile (1998)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 340 (1998), S. 491-505 
    Details
    ISSN: 0941-1216
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19983400602
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