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  • Physics  (4)
  • oxygen uptake  (3)
  • Aminosugar metabolism  (2)
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  • 1
    Digitale Medien
    Digitale Medien
    Purification and some properties of inducible N-acetylglucosamine kinase from Candida albicans
    Amsterdam : Elsevier
    BBA - Enzymology 614 (1980), S. 350-356 
    Details
    ISSN: 0005-2744
    Schlagwort(e): (Yeast) ; Aminosugar metabolism ; Enzyme induction ; N-Acetylglucosamine kinase
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2744(80)90224-7
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  • 2
    Digitale Medien
    Digitale Medien
    Induction of N-Acetylmannosamine catabolic pathway in yeast
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/General Subjects 585 (1979), S. 535-542 
    Details
    ISSN: 0304-4165
    Schlagwort(e): (Yeast) ; Aminosugar metabolism ; N-Acetylmannosamine 2-epimerase synthesis
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0304-4165(79)90186-7
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  • 3
    Digitale Medien
    Digitale Medien
    O2 uptake through water during early life of Heteropneustes fossilis (Bloch) (1981)
    Springer
    Hydrobiologia 78 (1981), S. 81-86 
    Details
    ISSN: 1573-5117
    Schlagwort(e): metabolism ; oxygen uptake ; respiration
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The O2 uptake through water has been measured in case of Heteropneustes fossilis during development and growth and its relationship to body size established. A higher rate of O2 uptake during the early phase of ontogenesis is related to intense growth of the respiratory surface area and increasing metabolic demand of the fish. The logarithmic plot of data for O2 uptake in relation to body size shows a statistically significant two-component curve; one related to the fish when it is a fully aquatic breather and the other when it changes to bimodal gas exchange. The onset of the air breathing habit brings about a 40% drop in O2 uptake through water, which is made good through the newly developed air breathing organ.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00011944
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  • 4
    Digitale Medien
    Digitale Medien
    Oxygen uptake through water during early life of Anabas testudineus (Bloch) (1979)
    Springer
    Hydrobiologia 66 (1979), S. 129-133 
    Details
    ISSN: 1573-5117
    Schlagwort(e): Metabolism ; oxygen uptake ; Respiration
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The O2 consumption (mg/hr) through water in case of Anabas testudineus during development and growth has been measured and its relationship to body weight or length studied. The logarithmic plot of 02 uptake through water either against body weight or length suggested a statistically significant (P 〉 3.53) two-component curve, the point of intersection being at 11 mg body weight and 1.78 cm body length. These are the theoretical values of weight or length at which the responsibility of supplementing nearly 40% of the total O2 demand through the newly developed air breathing organ falls in the early life of the fish. One of the impelling causes forcing developing fry of Anabas to adopt a bimodal gas exchange machinery seems to be 4 fold increase in the diffusion distance at the gills.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00032041
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  • 5
    Digitale Medien
    Digitale Medien
    Oxygen uptake through water during early life in Channa punctatus (Bloch) (Pisces; Ophicephaliformes) (1982)
    Springer
    Hydrobiologia 87 (1982), S. 211-215 
    Details
    ISSN: 1573-5117
    Schlagwort(e): respiration ; oxygen uptake ; metabolism
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Oxygen uptake in relation to body size during the early life of the fish Channa punctatus shows a significant two-component curve: one related to the fully aquatic phase and the other to the bimodal phase of respiration. The onset of the air-breathing habit around the 18–20th day after hatching brings about a 45% drop in O2 uptake through the gill/skin in water.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00007230
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  • 6
    Digitale Medien
    Digitale Medien
    Redox polymerization of acrylonitrile. Kinetics of the reaction initiated by the redox system tartaric acid-V5+ (1975)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 13 (1975), S. 2075-2086 
    Details
    ISSN: 0360-6376
    Schlagwort(e): Physics ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Kinetics of vinyl polymerization of acrylonitrile initiated by the redox system tartaric acid-V5+ have been investigated in aqueous sulfuric acid in the temperature range 30-40°C. The rates of polymerization and V5+ disappearance and the chain lengths of polyacrylonitrile were measured. From the results it is concluded that the polymerization reaction is initiated by an organic free radical arising from the V5+-tartaric acid reaction with termination by V5+ ions. A suitable kinetic scheme has been proposed, and the various rate and energy parameters were evaluated.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/pol.1975.170130912
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  • 7
    Digitale Medien
    Digitale Medien
    Copolymerization parameters of substituted aniline monomers (1983)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 21 (1983), S. 1165-1171 
    Details
    ISSN: 0360-6376
    Schlagwort(e): Physics ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: The Kelen-Tüdös linear graphical method was used to determine the copolymerization parameters of some halogen-substituted (e.g., Cl, Br, I) aniline monomers. It was found during copolymerization with p-aminobenzoic acid or p-aminophenol that the reactivity of these monomers followed the order of their basic strength. The order of their basic strength. The order of their reactivity, however, was reversed if they copolymerized with sulfanilic acid (SA). This reversal has been interpreted in terms of the resonance stabilization of monomers, the nature of the acidic functional groups present in the comonomer, and the influence of electron-accepting or electron-donating groups present in the comonomers.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/pol.1983.170210423
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  • 8
    Digitale Medien
    Digitale Medien
    γ-radiolysis of acetylated cotton cellulose: An ESR study (1972)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 10 (1972), S. 2655-2660 
    Details
    ISSN: 0449-296X
    Schlagwort(e): Physics ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: The nature and behavior of free radicals induced in acetylated cotton celluloses irradiated with γ-rays have been studied by electron spin resonance (ESR) spectroscopy. Dehydrogenation and deacetylation appear to be responsible for the free radicals observed from samples irradiated at 77°K. The degree of substitution enhanced the yield of acetyl radicals when the samples were irradiated at 77°K and adversely affected the overall radical concentration when irradiation was done at 300°K. In addition, the ESR spectra of samples irradiated under vacuum at 300°K were more intense than those obtained from samples irradiated in air. The nature, yield, and post-irradiation behavior of the primary radicals are discussed in the light of the ultimate chemical effects observed.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/pol.1972.150100912
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  • 9
    Digitale Medien
    Digitale Medien
    Formation and reactions of radiation-induced free radicals in chemically modified cotton cellulosesPresented in part at the Convention of Chemists, Kharagpur, India, 1969. (1971)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 9 (1971), S. 2651-2658 
    Details
    ISSN: 0449-296X
    Schlagwort(e): Physics ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: With a view to assessing the role of chemical substitutions in the modification of radiation effects on cotton fibers, the induction and post-irradiation behavior of free radicals in γ-irradiated pure, mercerized, benzoylated, and allylated cottons have been investigated by ESR spectroscopy. While mercerization and allylation were found to influence both the nature and yield of radicals, benzoylation reduced only the yield. These substitutions, which have been found to protect cotton fibers against radiation damage, therefore act differently at the molecular level.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/pol.1971.150090919
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