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  • 1
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    Timing in collection of stool samples (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-11-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mai, Volker -- Stine, O Colin -- Morris, J Glenn Jr -- New York, N.Y. -- Science. 2005 Nov 18;310(5751):1118; author replay 1118.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16293741" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/isolation & purification ; Colon/*microbiology ; Colonoscopy ; Feces/*microbiology ; Humans ; Intestinal Mucosa/microbiology ; Research Design ; Specimen Handling/*methods ; Time Factors
    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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    Ammonia intoxication in the near-adult cat as a result of a dietary deficiency of arginine (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-01-27
    Description: Near-adult cats, fasted overnight, and given a single meal of a complete amino acid diet without arginine, developed hyperammonemia and showed clinical symptoms of ammonia toxicity within 2 hours. One cat (2.7 kilograms) died 4.5 hours after ingesting only 8 grams of the diet. Since ornithine also prevented hyperammonemia, it appears that the domestic cat cannot synthesize ornithine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morris, J G -- Rogers, Q R -- New York, N.Y. -- Science. 1978 Jan 27;199(4327):431-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/619464" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/metabolism ; Ammonia/*blood/toxicity ; *Animal Nutritional Physiological Phenomena ; Animals ; Arginine/*deficiency/metabolism ; Cats/*metabolism ; Female ; Male ; Ornithine/metabolism ; Time Factors
    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
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    Selenium deficiency in cattle associated with Heinz bodies and anemia (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-03
    Description: Cattle grazing St. Augustine grass growing on peaty muck soils in the Florida Everglades developed anemia associated with the presence of Heinz bodies and suboptimal concentrations of selenium in blood. Selenium supplementation corrected the anemia, prevented Heinz body formation, increased the body weight of cows and calves, and elevated blood selenium. This may be the first recorded example of widespread anemia in a population due to selenium deficiency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morris, J G -- Cripe, W S -- Chapman, H L Jr -- Walker, D F -- Armstrong, J B -- Alexander, J D Jr -- Miranda, R -- Sanchez, A Jr -- Sanchez, B -- Blair-West, J R -- New York, N.Y. -- Science. 1984 Feb 3;223(4635):491-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6691160" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia, Hemolytic/drug therapy/etiology/*veterinary ; Animal Feed ; Animals ; Body Weight ; Cattle ; Cattle Diseases/drug therapy/*etiology ; Heinz Bodies/*ultrastructure ; Hematocrit ; Hemoglobins/analysis ; Selenium/administration & dosage/blood/*deficiency
    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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  • 4
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    Myocardial failure in cats associated with low plasma taurine: a reversible cardiomyopathy (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-08-14
    Description: Thousands of pet cats die each year with dilated cardiomyopathy, the cause of which is unknown. Although taurine is present in millimolar concentrations in the myocardium of all mammals, taurine depletion has not previously been associated with a decrease in myocardial function in any species. In this study, low plasma taurine concentrations associated with echocardiographic evidence of myocardial failure were observed in 21 cats fed commercial cat foods and in 2 of 11 cats fed a purified diet containing marginally low concentrations of taurine for 4 years. Oral supplementation of taurine resulted in increased plasma taurine concentrations and was associated with normalization of left ventricular function in both groups of cats. Since myocardial concentrations of taurine are directly related to plasma concentrations and low plasma concentrations were found to be associated with myocardial failure in cats, a direct link between decreased taurine concentration in the myocardium and decreased myocardial mechanical function is proposed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pion, P D -- Kittleson, M D -- Rogers, Q R -- Morris, J G -- New York, N.Y. -- Science. 1987 Aug 14;237(4816):764-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3616607" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cardiomyopathy, Dilated/diagnosis/etiology/*veterinary ; *Cat Diseases ; Cats ; Dogs ; Echocardiography ; Humans ; Myocardium/metabolism ; Retinal Degeneration/etiology/veterinary ; Taurine/blood/*deficiency/metabolism
    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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  • 5
    Electronic Resource
    Electronic Resource
    Nutrition of the Domestic Cat, a Mammalian Carnivore (1984)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Nutrition 4 (1984), S. 521-562 
    Details
    ISSN: 0199-9885
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.nu.04.070184.002513
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  • 6
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    Usage of Superphosphate on Australian Pastures: An Exploratory Analysis (1974)
    Canberra : Periodicals Archive Online (PAO)
    Quarterly review of the rural economy. 27:1 (1974:Jan.) 39 
    Details
    ISSN: 0156-7446
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:6017-1974-027-01-000003
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  • 7
    Electronic Resource
    Electronic Resource
    βHydroxyaspartate Pathway: A New Route for Biosyntheses from Glyoxylate (1963)
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 456-457 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN micro-organisms grow on glycollate as sole source of carbon, reactions ancillary to the tri-carboxylic acid cycle must occur to replenish, from the C2-growth substrate, the intermediates of the cycle which have been removed in the course of cellular syntheses. In micro-organisms such as E. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/197456a0
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  • 8
    Electronic Resource
    Electronic Resource
    Optimal objective function approximation for separable convex quadratic programming (1994)
    Springer
    Mathematical programming 67 (1994), S. 133-142 
    Details
    ISSN: 1436-4646
    Keywords: Separable programming ; Quadratic programming
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract We present an optimal piecewise-linear approximation method for the objective function of separable convex quadratic programs. The method provides guidelines on how many grid points to use and how to position them for a piecewise-linear approximation if the error induced by the approximation is to be bounded a priori.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01582218
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  • 9
    Electronic Resource
    Electronic Resource
    Spatial price equilibrium, distribution center location and successive over-relaxation (1986)
    Springer
    Annals of operations research 6 (1986), S. 111-128 
    Details
    ISSN: 1572-9338
    Keywords: Spatial price equilibrium ; quadratic programming ; interregional trade ; distribution ; successive over-relaxation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract A spatial price equilibrium problem is modeled which allows piecewise linear convex flow costs, and a capacity limit on the trade flow between each supply/demand pair of regions. Alternatively, the model determines the locations of intermediate distribution centers in a market economy composed of separate regions, each with approximately linear supply and demand functions. Equilibrium prices, regional supply and demand quantities, and commodity flows are determined endogenously. The model has a quadratic programming formulation which is then reduced by exploiting the structure. The reduced model is particularly well suited to solution using successive over-relaxation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02026819
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of metronidazole on hydrogen production by Clostridium acetobutylicum (1972)
    Springer
    Archives of microbiology 84 (1972), S. 225-233 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary 1. When metronidazole (1-β-hydroxyethyl-2-methyl-5-nitroimidazole) was added at 50 μg/ml to a liquid (35°C) culture of Clostridium acetobutylicum (0.5 mg dry wt of organisms/ml), it inhibited growth for only 2 h; thereafter, growth resumed at a slower and arithmetic rate. Consumption of glucose and excretion of acetate plus butyrate continued, though at diminished rates, during the period of bacteriostasis, and the ATP content of the organisms did not decline. 2. Metronidazole inhibited production of H2 by a culture of Cl. acetobutylicum, yet it only temporarily halted formation of H2 from pyruvate by cell extracts, and had no deleterious effect on the simultaneous production of acetyl phosphate and CO2. After a relatively short time no residual metronidazole was detectable in this cell-free system and H2 production resumed at its former rate. 3. The drug did not inhibit the hydrogenases of either Cl. acetobutylicum or Cl. pasteurianum, but having an E′ 0 at pH 7 of approx. -0.23 V (on the hydrogen scale), it acted as a preferential acceptor of electrons from reduced ferredoxin (or reduced viologen dyes). Reduction of metronidazole was a 6 electron process compatible with complete reduction of its 5-nitro group. Yet, although the expected decrease in absorbance at 320 nm was observed, the 5-amino derivative did not accumulate (probably due to its intrinsic lability). 4. Since many aryl nitro compounds are similarly able to accept electrons from reduced ferredoxin, it seems that additional reasons might have to be sought to explain the unique effectiveness of metronidazole as an antimicrobial agent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00425200
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