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  • Articles: DFG German National Licenses  (24)
  • 2000-2004  (1)
  • 1990-1994  (11)
  • 1980-1984  (12)
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  • Articles: DFG German National Licenses  (24)
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  • 1
    Electronic Resource
    Electronic Resource
    Effect of surface temperature on collision-induced dissociation of 1,1,1,2,3,3,3-heptafluoro-2-nitrosopropene scattered from magnesium oxide (100), gallium arsenide (100), and silver (111) (1991)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 95 (1991), S. 8387-8393 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100174a064
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Angularly resolved rotational energy transfer in highly vibrationally excited states: Na2(v=31)–Ne (1991)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 94 (1991), S. 4252-4259 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The scattering of high vibrationally excited sodium molecules Na2(v=31) with Ne atoms at 180 meV collision energy is investigated in a crossed molecular beam arrangement using laser optical methods. Angularly resolved rotationally inelastic and vibrationally elastic cross sections ji→jf are measured for ji =5, 7, and 9≤jf ≤25. Pronounced rotational rainbow maxima are observed, the angular position of which indicates a significantly larger anisotropy of the interaction potential compared to that of Na2(v=0)–Ne. Except for the increase of the anisotropy the vibrational excitation has little effect on the dynamics of rotational energy transfer. Good agreement with a new semiempirical Na2–Ne potential surface V(r,R,γ) is found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.460611
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Microstructure of mixed gelatin-egg white gels: impact on rheology and application to microparticulation (1991)
    s.l. : American Chemical Society
    Biotechnology progress 7 (1991), S. 283-287 
    Details
    ISSN: 1520-6033
    Source: ACS Legacy Archives
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bp00009a013
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Investigations on the Anther Culturability of Four German Spring Wheat Cultivars and the Influence of Light on Regeneration of Green vs. Albino Plants (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 105 (1990), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In anther culture experiments with four German spring wheat cultivars (‘Turbo’, ‘Kadett’, ‘Planet’ and ‘Nandu’), ‘Nandu’ showed the best results. The rate of responding anthers with ‘Nandu’ was 0.8 % on medium N6 and 3.7% on potato-2. This was similar to the Chinese cultivar ‘Orofen’. Higher yields of embryoids could be obtained with medium potato-2 than with N6.Experiments with medium potato-2 showed that anther response, production of embryos and regeneration increased with decreasing agarose concentration.Regeneration of green plantlets was improved by differentiation in the dark whereas differentiation under light yielded more than 90 % albino plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1990.tb00450.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    PROTEIN DISPLACEMENT DURING CLASSIFICATION OF GLANDED COTTONSEED (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The effects of classification of glanded cottonseed flour on protein displacement were studied. Media were liquid (nonpolar solvent) and air. The fines and coarse fractions had different ratios of water-soluble functional and storage proteins than the starting material. The difference in protein distribution was reflected in the contents of essential amino acids of each fraction. Fines or “overs” fractions had lower amounts of some limiting essential amino acids such as lysine, threonine and leucine as compared with the coarse fraction. Degossypolised cottonseed flour therefore had lower protein quality than the starting material. Although the fines fractions have lower amounts of essential amino acids as compared with the coarse fractions, they did not differ in the type of proteins as shown by gel electrophoresis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1980.tb07564.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of Liquid Smoke on the Growth of Lactic Acid Starter Cultures used to Manufacture Fermented Sausage (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Fermented sausage was manufactured using a commercial lactic acid starter culture and varying levels of liquid smoke. Samples were taken during the 24 hr fermentation period and the lactic bacterial count, pH and titratable acidity determined. Final pH values, titratable acidity and lactic bacterial counts were not affected by recommended use levels of liquid smoke, although exponential growth was delayed. Growth studies in a broth medium containing liquid smoke suggest that liquid smoke has the potential for inhibiting the lactic starter cultures used to make fermented sausage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb12953.x
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    A Direct Hexane Extraction Process for Glanded Cottonseed (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A modified filter funnel apparatus was used to determine mass flow velocities for extraction of uncooked glanded cottonseed flakes, and the results were compared with a continuous pilot-plant-scale extractor. A mass velocity of 2,000 lb/hr/ft2 or higher (considered adequate for oilseed extraction) was obtained in all cases. Both the initial meat moisture before flaking and the flake moisture during extraction were found to affect the mass velocity. A meat moisture before flaking of less than 9% decreased the mass velocity, probably as a result of increased fines and thus smaller flake size. A high flake moisture (about 9%) during heated-hexane extraction caused a decrease in mass velocity compared to that of lower-moisture flakes. The correlation of filter-funnel mass velocity data to a continuous pilot-plant extractor confirmed that uncooked flakes can be satisfactorily extracted to yield low residual lipids by using a low solvent-to-flake ratio and ambient-temperature hexane solvent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb11087.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Fibroblastic rheumatism: clinical, histological, immunohistological, ultrastructural and biochemical study of a case (1993)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 128 (1993), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report a case of fibroblastic rheumatism (FR). Only eight other cases of this recently described entity have been reported previously. FR is characterized hy polyarthralgia and joint stiffness without joint destruction, associated with cutaneous nodules and sclerodactyly. Histology shows an increase in the number of fihroblasts and marked dermal fibrosis, Rheumatological and skin manifestations may improve with corticosteroid therapy.In our patient, immunohistochemical studies of involved and uninvolved skin showed an increase in fibronectin and tenascin deposition. In the dermis, the hyperplastic cells had phenotypic features of muscle, suggesting myofihrohlastic differentiation. Ultrastructural study showed an increase in active fibroblastic cells with features of myofibroblasts. A hyperproliferative capacity was observed in fibroblasts cultured from involved skin. Biochemical studies of the production of collagen and non-collagen proteins were performed on these cultured cells, and showed a reduction in collagen and non-collagen protein synthesis hy FR fihrohlasts. Thus, FR appears to differ from other fibrotic skin diseases such as scleroderma, in that dermal fihrosis may be due predominantly to fibroblast proliferation with myofihrohlastic differentiation, without any increase in collagen synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1993.tb15151.x
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    HEAT-INDUCED TRANSITIONS IN THE PROTEIN-PROTEIN INTERACTION OF BOVINE NATURAL ACTOMYOSIN (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food biochemistry 8 (1984), S. 0 
    Details
    ISSN: 1745-4514
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Protein-protein interaction of bovine natural actomyosin (NAM) was studied by means of optical density changes resulting from discrete particle formation in the temperature range of4°C to 70°C. From Arrhenius plots, the apparent heat of activation (ΔHa) at pH 5.5 (17.1 kcallmole) was significantly (P〈0.05) lower than activation energies in the pH range of 6.0 to 7.5. The lower Δ Ha resulted in initiation of protein-protein interaction at a temperature near 16°C at pH 5.5, whereas interaction did not proceed until the temperature approached 37°C at pH 6.0 and above. Derivative curves (dOD/dT) at pH 5.5 and 6.0 showed two distinct NAM thermal transition regions. Tm1 occurred at 43.0°C at pH 5.5 and 48.5°C at pH 6.0, with the 5.5°C difference possibly arising from effects of proton binding in altering protein conformation. Only a 1.5°C difference in Tm2 (56.0°C at pH 5.5 versus 57.5°C at pH 6.0) was found. Although the overall heat-mediated NAM aggregation (in dilute solution) was found to follow first order kinetics by two evaluation methods, the existence of two thermal transitions supports a two-step reaction mechanism proposed for the formation of protein gels (in higher concentration solutions).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-4514.1984.tb00311.x
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Neighborly Cubical Polytopes (2000)
    Springer
    Discrete & computational geometry 24 (2000), S. 325-344 
    Details
    ISSN: 1432-0444
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract. Neighborly cubical polytopes exist: for any n≥ d≥ 2r+2 , there is a cubical convex d -polytope C d n whose r -skeleton is combinatorially equivalent to that of the n -dimensional cube. This solves a problem of Babson, Billera, and Chan. Kalai conjectured that the boundary $\partial C_d^n$ of a neighborly cubical polytope C d n maximizes the f -vector among all cubical (d-1) -spheres with 2 n vertices. While we show that this is true for polytopal spheres if n≤ d+1 , we also give a counterexample for d=4 and n=6 . Further, the existence of neighborly cubical polytopes shows that the graph of the n -dimensional cube, where n\ge5 , is ``dimensionally ambiguous'' in the sense of Grünbaum. We also show that the graph of the 5 -cube is ``strongly 4 -ambiguous.'' In the special case d=4 , neighborly cubical polytopes have f 3 =(f 0 /4) log 2 (f 0 /4) vertices, so the facet—vertex ratio f 3 /f 0 is not bounded; this solves a problem of Kalai, Perles, and Stanley studied by Jockusch.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004540010039
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    Paper (German National Licenses)
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