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  • Digitale Medien  (13)
  • 1980-1984  (8)
  • 1975-1979  (5)
  • 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
    RHEOLOGICAL MODEL OF SOY DOUGH IN EXTRUSION (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food process engineering 2 (1978), S. 0 
    Details
    ISSN: 1745-4530
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: A viscosity model of defatted soy dough under various conditions of shear rate, temperature and moisture level in the extrusion process is reported. The model represents the data well within the shear rate range of 50 to 1,000 s−1, the temperature range of 100 °C to 160 °C, and the added moisture range of 22% to 32%. The flow index is determined to be 0.127, and response surfaces of the viscosity are also presented.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1745-4530.1978.tb00215.x
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  • 3
    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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  • 4
    Digitale Medien
    Digitale Medien
    Effect of L -triiodothyronine on (−) 3 H-dihydroalprenolol binding and cyclic AMP response to (−)adrenaline in cultured heart cells (1978)
    [s.l.] : Nature Publishing Group
    Nature 275 (1978), S. 138-140 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The heart cells were prepared as described previously9,10. The trypsinised cells were inoculated into 25-cm2 plastic T-flasks (Falcon) at densities of approximately 200,000 cells cm-2 and then grown in Ham's medium (Gibco) supplemented with 10% fetal calf serum (PCS) at 37 C (95% air, 5% CO2). ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/275138a0
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  • 5
    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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  • 6
    Digitale Medien
    Digitale Medien
    ENGINEERING ANALYSIS OF SOY DOUGH RHEOLOGY IN EXTRUSION (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food process engineering 2 (1978), S. 0 
    Details
    ISSN: 1745-4530
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Effects of moisture level, temperature and shear rate on the rheological properties of defatted soy dough during extrusion were studied on a Brabender laboratory extruder. Entrance pressure loss through the extruder capillary die as well as viscosity of the cooked and compressed soy dough were expressed as a function of added moisture, shear rate and temperature through multiple regression analysis. Process conditions involved in this study were (a) temperature from 100 to 160°C; (b) added moisture from 22 to 32% and (c) shear rate from 50 to 10,500 sec−1. Data were collected at steady state. It was found that in the shear rate range of 50 to 1,000 sec−1 and temperature range of 100 to 160°C the viscosity of the cooked and compressed soy dough with 32%, 25% and 22% added moisture ranged from 10,000 to 500 poise and 20,000 to 200 poise and 20,000 to 1,000 poise respectively.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1745-4530.1978.tb00197.x
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  • 7
    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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  • 8
    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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  • 9
    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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  • 10
    Digitale Medien
    Digitale Medien
    Potentiometric method for subatrate analysis using immobilized NAD+-dependent oxidoreductase enzymes (1979)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 21 (1979), S. 1905-1915 
    Details
    ISSN: 0006-3592
    Schlagwort(e): Chemistry ; Biochemistry and Biotechnology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Two coenzyme-dependent oxidoreductases, glucose dehydrogenase and alcohol dehydrogenase, were immobilized in polyacrylamide gel over a platinum grid matrix and used as enzyme electrodes to measure their substrate concentrations in buffered aqueous solutions. The immobilized enzymes were used to oxidize their substrates in the presence of NAD+. Ferricyanide was used as the redox mediator and electroactive specific. The determinations of glucose and ethenol were utilized to demonstrate and evaluate the performance of the system. The described methodology should be readily applicable to the analysis of numerous other substrates of coenzyme-dependent oxidoreductases.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/bit.260211103
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