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  • 1
    Digitale Medien
    Digitale Medien
    Rheology of Enzyme Modified Cheese (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 46 (1981), S. 0 
    Details
    ISSN: 1750-3841
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: The rheological properties of commercial enzyme modified cheese products (Dariteen®, Miles Laboratories, Inc.) are investigated with a micro-rheolog type of viscometer with cone-and-plate geometry. These products exhibit thixotropic shear-thinning behavior, where viscosity changes with the duration and the rate of the applied shear. A viscosity model invoking gradually increasing and decreasing shear rate is investigated. The model involves expression of viscosity as a function of shear rate in the range 1.92-384 sec−1 for the case of Increasing shear rate and 384-1.92 sec−1 for the case of decreasing shear rate. In these investigations, temperature and moisture content range from 24-72°C and 42.3-59.3%, respectively. Hysteresis curves representative of the phenomena are also illustrated.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2621.1981.tb14575.x
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  • 2
    Digitale Medien
    Digitale Medien
    Real Estate Investment Funds: Performance and Portfolio Considerations (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Real estate economics 12 (1984), S. 0 
    Details
    ISSN: 1540-6229
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Notizen: This paper presents the results of a study dealing with a number of issues regarding real estate investment. Utilizing a data set consisting of returns from two of the oldest, continuously operating commingled real estate funds (CREFs), questions relative to investment performance, inflation hedging attributes and diversification benefits are addressed. The methodology used in exploring these issues are variants of the traditional capital asset pricing model (CAPM), extended to consider uncertain inflation (CAPMUI) and an arbitrage pricing model in which real estate performance is judged relative to a more inclusive market index representing larger numbers of substitute investments. Finally, issues relative to portfolio performance are considered by constructing portfolios containing all possible combinations of real estate, stocks and bonds to assess the potential for diversification benefits and portfolio performance.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/1540-6229.00326
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  • 3
    Digitale Medien
    Digitale Medien
    RESPONSE SURFACE ANALYSIS OF EGG WHITE GELLING PROPERTIES IN A MEAT LOAF ANALOG (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food process engineering 4 (1980), S. 0 
    Details
    ISSN: 1745-4530
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: The effects of pH (5.0 to 7.0), salt content (0 to 3%), cooking time (15 to 75 min at 100°C), soy isolate and egg white level (both from 1 to 5%) on the gel strength of a model meat loaf analog system are investigated. An Instron Universal tester is used for evaluating the analog's strength of various compositions. The study indicates an insignificant influence of pH and soy isolate content on the analog's strength. Effects of egg white content, salt content, and cooking time are expressed in terms of a second order polynomial, where linear effects and interactions are shown to be significant. Egg white content and cooking time are exponentially related to the hardness, whereas, salt content is linearly proportional to the logarithm of hardness. Response surface analysis reveals that egg white usage can be greatly reduced if salt content and cooking time are manipulated. This study provides a model that can be used to optimize a process for producing meat loaf analogs.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1745-4530.1980.tb00634.x
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  • 4
    Digitale Medien
    Digitale Medien
    Chitin synthesis inhibiting insect growth regulators do not inhibit chitin synthase (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 337-338 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Tunicamycin, an antibiotic, and 5 insect growth regulators (diflubenzuron, Bay Sir 6874, Bay Sir 8514, CGA-19255 and Lilly 494) do not inhibit chitin synthase obtained from 4-day-oldStomoxys calcitrans pupae.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01959848
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  • 5
    Digitale Medien
    Digitale Medien
    Aspirin analgesia evaluated by event-related potentials in man: Possible central action in brain (1980)
    Springer
    Experimental brain research 39 (1980), S. 359-364 
    Details
    ISSN: 1432-1106
    Schlagwort(e): Pain ; Brain-evoked potentials ; Aspirin central action
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The mechanism of aspirin analgesia is still unclear, but it is generally assumed that aspirin exerts its analgesic effect mainly on peripheral nociceptors. In this study, we demonstrate possible brain effects of 975 mg aspirin in man. When brain electrical potentials evoked by painful electrical tooth shocks were examined, aspirin was observed to significantly reduce the amplitude of the late waveform components, but it did not affect the earlier components. Since our earlier findings suggest that early waveform components reflect the energy transmission and the late components manifest the brain activities in an individual's perception of painful information, we postulate that aspirin may act centrally in pain processing.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00239300
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  • 6
    Digitale Medien
    Digitale Medien
    Enzyme inactivation and inhibition by Gossypol (1982)
    Springer
    Molecular and cellular biochemistry 47 (1982), S. 65-70 
    Details
    ISSN: 1573-4919
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Notizen: Summary Three lactate dehydrogenase isozymes and malate dehydrogenase purified from mouse tissues were inactivated with time by low concentration of gossypol. The degree of enzyme inactivation is both gossypoland enzyme-concentration-dependent. Under the same experimental conditions, lactate dehydrogenase-X and lactate dehydrogenase-5 were inactivated faster than lactate dehydrogenase-1. NADH was shown to partially protect the enzymes against inactivation by gossypol. The results of this study suggest that the enzymes are inactivated by the minor components in gossypol preparations. Isozymes of glutathione S-transferases were reversibly inhibited by gossypol. The inhibition of transferases by gossypol was shown to be competitive with respect to the 1-chloro-2,4-dinitrobenzene. It is proposed that the male antifertility effect of gossypol may be related to the selective inactivation of sperm-specific lactate dehydrogenase-X.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00234406
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  • 7
    Digitale Medien
    Digitale Medien
    Potentiometric quantitation of glycerol using immobilized glycerol dehydrogenase (1982)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 24 (1982), S. 971-975 
    Details
    ISSN: 0006-3592
    Schlagwort(e): Chemistry ; Biochemistry and Biotechnology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Glycerol dehydrogenase was immobilized in polyacrylamide gel layered over a small platinum screen and used to catalyze the oxidation of glycerol. In the presence of NAD+ and potassium ferricyanide, the coupling reaction generated a measurable electrical potential which was found to be Nernstian with respect to the glycerol concentration range of 10-4M to 10-1M. The reproducibility of the measurement and the optimal conditions for glycerol determination were described.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/bit.260240416
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  • 8
    Digitale Medien
    Digitale Medien
    Characterization of mannosyl transferases during the pupal instar of Stomoxys calcitrans (L) (1983)
    New York, NY [u.a.] : Wiley-Blackwell
    Archives of Insect Biochemistry and Physiology 1 (1983), S. 1-15 
    Details
    ISSN: 0739-4462
    Schlagwort(e): Stomoxys calcitrans ; mannosyl transferase ; stable fly ; glycosyl transferase ; dolicholphosphate ; Chemistry ; Food Science, Agricultural, Medicinal and Pharmaceutical Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie
    Notizen: Particulate fractions (10,000g) from pupae of Stomoxys calcitrans transfer [14C]-mannose from GDP-[14C]-mannose to dolichol monophosphate and proteins. Production of the mannosyl lipid was inhibited by Mn2+, UDP, GMP, GDP, and EDTA. The insect growth regulator diflubenzuron had no effect on mannosyl transferase activity. Dolichol monophosphate and Mg2+ stimulated mannosyl transferase activity. The mannosyl lipid product was identified as mannosyl-phosphoryl-dolichol (Man-P-Dol). The apparent Km and Vmax values for the formation of Man-P-Dol using GDP-[14C]-Man while holding dolichol phosphate constant were 2.4 ± 0.9 μM and 9.4 ± 2.3 pmol Man-P-Dol·min-1·mg-1 protein, respectively. The apparent Km and Vmax values using dólichol phosphate while holding GDP-Man constant were 2.2 ± 1.2 μM and 18.5 ± 1.7 pmol Man-P-Dol·min-1·mg-1 protein.
    Zusätzliches Material: 9 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/arch.940010102
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