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  • 1
    Electronic Resource
    Electronic Resource
    Toxicity of metabolites fromRhizopus Spp. (1982)
    Springer
    Bulletin of environmental contamination and toxicology 28 (1982), S. 637-639 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01605598
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  • 2
    Electronic Resource
    Electronic Resource
    Chlorogenic Acid and Other Phenolic Compounds in Fourteen Sweet Potato Cultivars (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 46 (1981), 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: Fourteen cultivars of sweet potatoes were analyzed qualitatively for their phenolic content at harvest and after storage. The phenolic content of the sweet potato cultivars, Centennial, Jasper, Jewel, LO-323, L3-243, L3-151, L4-62, L4-112, L4-131, NC-702, NC-718, NC-719, NC-345, and V2-237, was assayed. The qualitative examination of the sweet potato phenolics resulted in the separation and identification of four isomers of caffeolyquinic acid. A fifth compound, which exhibited phenolic acid characteristics, was separated but could not be identified.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1981.tb15338.x
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  • 3
    Electronic Resource
    Electronic Resource
    Materials science Cooking up tougher ceramics (2002)
    [s.l.] : Nature Publishing Group
    Nature 417 (2002), S. 237-237 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Microstructural control is at the heart of materials science, especially when a tailored combination of mechanical properties is required. In the field of nitrogen ceramics, where the final microstructure is produced by 'liquid-phase sintering', it is difficult to control the morphology of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/417237a
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  • 4
    Electronic Resource
    Electronic Resource
    The transformability of tetragonal ZrO2 in some glass systems (1990)
    Springer
    Journal of materials science 9 (1990), S. 24-27 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00722858
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  • 5
    Electronic Resource
    Electronic Resource
    Interfacial characterization of Nicalon SiC fibre reinforced oxynitride glass matrix composites (1997)
    Springer
    Journal of materials science 32 (1997), S. 4501-4506 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Nicalon SiC and Hi-Nicalon SiC fibre oxynitride glass and glass–ceramic composites were prepared and the interface between the fibres and matrix characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray (EDX) spectroscopy. It was found that the formation and thicknesses of interfacial layers were primarily determined by the type of fibre reinforcement, but the role of these interfaces in influencing composite properties was dependent on the thermal properties of the matrix. For Nicalon SiC composites, the carbon-rich layer did not promote fibre debonding and toughening unless the matrix had a smaller thermal expansion coefficient than the fibres. For Hi-Nicalon SiC composites, the absence of oxygen in the fibre significantly encouraged chemical reaction between fibre and matrix, resulting in no strengthening or toughening.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018660915306
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  • 6
    Electronic Resource
    Electronic Resource
    New materials in the Si–C–Al–O–N and related systems (1978)
    [s.l.] : Nature Publishing Group
    Nature 275 (1978), S. 434-435 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Silicon nitride and silicon carbide are leading contenders for gas turbine and other high-temperature engineering applications. Extensive solid solution based on -Si3N4 was first shown by Oyama1 and by K.H.J. and Wilson2 but only a few systems, such as Si3N4-A13O3N, Si3N4-MgAl2O4 and Si3N4-LiAl5O8, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/275434a0
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  • 7
    Electronic Resource
    Electronic Resource
    α ′-Sialon ceramics (1978)
    [s.l.] : Nature Publishing Group
    Nature 274 (1978), S. 880-882 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Idealised Si-N layers in a and /3 silicon nitrides: a, AB layers; b, CD Layers, ^-structure, ABAB; a structure, ABCD. Fig. 2 Actual Si-N layers in a and @ silicon nitrides: a, in j8; in a. The 'idealised' silicon nitride structure can be described as a stacking of Si-N layers in either an ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/274880a0
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  • 8
    Electronic Resource
    Electronic Resource
    Mycoassay of fluorescent fractions from seven essential oils (1987)
    Springer
    Bulletin of environmental contamination and toxicology 39 (1987), S. 688-695 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01698463
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  • 9
    Electronic Resource
    Electronic Resource
    Toxicity of essential oils on toxigenic and nontoxigenic fungi (1986)
    Springer
    Bulletin of environmental contamination and toxicology 36 (1986), S. 527-532 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01623547
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  • 10
    Electronic Resource
    Electronic Resource
    Inhibitory effects of nematode FMRFamide-related peptides (FaRPs) on muscle strips fromAscaris suum (1995)
    Springer
    Invertebrate neuroscience 1 (1995), S. 255-265 
    Details
    ISSN: 1439-1104
    Keywords: Ascaris suum ; nematode ; nematode peptides ; inhibitory neuropeptides ; FMRFamide-related peptides (FaRPs) ; myoactivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A large number of FMRFamide-related peptides (FaRPs) are found in nematodes, and some of these are known to influence tension and contractility of neuromuscular strips isolated fromAscaris suum body wall. Relaxation of these strips has been noted with five nematode FaRPs. The inhibitory actions of SDPNFLRFamide (PF1) and SADPNFLRFamide (PF2) appear to be mediated by nitric oxide, as previously demonstrated with inhibitors of nitric oxide synthase (NOS). This present study showed that the effects of PF1 were also dependent on external Ca++ and were reduced by the Ca++-channel blocker verapamil, observations consistent wirh the finding that nematode NOS is Ca++-dependent. KSAYMRFamide (PF3), KPNFIRFamide (PF4) and KNAFIRFamide (an alanine substituted analog of KNEFIRFamide, AF1, termed A3AF1) also relaxed A.suum muscle strips, but these responses were not affected by NOS inhibitors. PF3 inhibited the activity of strips prepared from the dorsal side of the worm, but contracted ventral strips. Both effects were dependent on the presence of ventral/dorsal nerve cords (unlike PF1/PF2) and were attenuated in medium which contained high K+ or low Ca++. PF4-induced muscle relaxation and hyperpolarization were independent of nerve cords, but were reversed in Cl-free medium, unlike PF1 or PF3. The PF4 effect physiologically desensitized muscle strips to subsequent treatment with PF4 and/or GABA. However, PF4 and GABA were not synergistic in this preparation. The effects of GABA, but not PF4, were reduced in muscle strips treated with the GABA antagonist, NCS 281-93. Following PF4 (or GABA) relaxation, subsequent treatment with higher doses of PF4 caused muscle strip contraction. A3AF1 was found to relax muscle strips and hyperpolarize muscle cells independently of the ventral and dorsal nerve cords, K+, Ca++, and Cl-, and mimicked the inhibitory phase associated with the exposure of these strips to AF1. On the basis of anatomical and ionic dependence, these data have delineated at least four distinct inhibitory activities attributable to nematode FaRPs. Clearly, a remarkably complex set of inhibitory mechanisms operate in the nematode neuromuscular system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02211027
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