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  • 1
    Electronic Resource
    Electronic Resource
    Comparisons among some tetraalkoxysilanes in the hydrolytic precipitation of silica into elastomeric networks (1986)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 187 (1986), S. 2861-2866 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Four tetraalkoxysilanes Si(OR)4 were absorbed into networks of polydimethylsiloxane and then hydrolyzed, using a variety of catalysts, to give reinforcing silica particles. On the basis of the amount of silica precipitated and the extent of reinforcement, the (decreasing) order of effectiveness was found to be tetraethoxysilane, tetrapropoxysilane, tetrabutoxysilane, and tetramethoxysilane.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1986.021871213
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  • 2
    Electronic Resource
    Electronic Resource
    Yttrium(III) oxoisopropoxide: A new synthetic route and reinvestigation of the 1H, 13C and 89Y NMR of Y5(μ5-O)(μ3-OiPr)4(μ2-OiPr)4(O iPr)5 (1991)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 29 (1991), S. 1191-1195 
    Details
    ISSN: 0749-1581
    Keywords: Yttrium(III) oxoisopropoxide ; 1H NMR ; 13C NMR ; 89Y NMR ; Proton T1 ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Yttrium(III) oxoisopropoxide, Y5O(OiPr)13, was synthesized via a new synthetic route and characterized by mass spectrometry and multinuclear magnetic resonance spectroscopic techniques. Extensive 1H, 13C and 89Y NMR studies with full assignments are reported.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260291206
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  • 3
    Electronic Resource
    Electronic Resource
    Analysis of PFK3 - A gene involved in particulate phosphofructokinase synthesis reveals additional functions of TPS2 in Saccharomyces cerevisiae (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Yeast 10 (1994), S. 199-209 
    Details
    ISSN: 0749-503X
    Keywords: PFK3 gene ; particulate phosphofructokinase ; nutrient stress ; thermal stress ; trehalose ; glycogen ; S. cerevisiae ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The pfk3 mutation of Saccharomyces cerevisiae causes glucose-negativity in a pfk1 genetic background, the mutant is temperature-sensitive for growth and homozygous diploids do not sporulate. It fails to accumulate trehalose, and has an altered glycogen accumulation profile under glucose-starvation conditions. pfk3-6, one of the alleles of pfk3, has an altered morphology, forming long chain-like structures at 36°C. The PFK3 gene was cloned by complementation of the mutant phenotypes. Integrative transformation demonstrated that the complementing fragment encoded the authentic PFK3 gene. The disruption of the gene does not affect viability. Like the EMS-induced pfk3 mutant, the disruptants are temperature-sensitive and in a pfk1 genetic background are also glucose-negative. The PFK3 transcript is induced by heat-shock. Partial DNA sequence shows that PFK3 is identical to TPS2 (De Virgilio et al., 1993). We demonstrate that, apart from being a structural determinant of trehalose 6-phosphate phosphatase, PFK3 (TPS2) is required for PFKII synthesis and normal regulation of S. cerevisiae response to nutrient and thermal stresses.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/yea.320100207
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  • 4
    Electronic Resource
    Electronic Resource
    Oxalato- and Malonato-complexes of trivalent metals. II. Stabilities of Tris-oxalato Complexes of Iron, Chromium, Aluminium, and Gallium (1957)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 293 (1957), S. 195-203 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The stabilities of tris-oxalato complexes of trivalent metals like Fe, Cr, Al, Ga have been studied. These compounds have been found to decompose in steps by interaction with acids. The stepwise instability constants and also the overall instability constants of the reactions MOx3‴ → MOx′2 + Ox″, MOx′2 → MOx+ + Ox″, MOx+ → M3+ + Ox″ and MOx3‴ → M3+ + 3 Ox″ have been measured.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19572930307
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  • 5
    Electronic Resource
    Electronic Resource
    The inhibitory neuronal glycine receptor (1994)
    New York, NY : Wiley-Blackwell
    BioEssays 16 (1994), S. 735-744 
    Details
    ISSN: 0265-9247
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Glycine is a major inhibitory neurotransmitter in the spinal cord and in the brain stem, where it acts by activating a chloride conductance. The postsynaptic glycine receptor has been purified and contains two transmembrane subunits of 48 kDa (α) and 58 kDa (β), and a peripheral membrane protein of 93 kDa. cDNA sequencing of the α and β subunits has revealed a common structural organization and a strong homology between these polypeptides and the nicotinic acetylcholine and GABAA receptor proteins. The glycine receptor exhibits a heterogeneity resulting from the existence of several α subtypes with distinct functional properties and different developmental expressions. When present in the central nervous system in situ, as well as in primary cultures of spinal cord neurons, these receptors are localized at the postsynaptic membrane adjacent to the presynaptic release sites, thus forming functional microdomains at the neuronal surface. This distribution raises the question of the formation and the maintenance of the heterogeneity of the somato-dendritic plasma membrane.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bies.950161008
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  • 6
    Electronic Resource
    Electronic Resource
    Polymerization of N-acryloyl pyrrolidone and synthesis of graft copolymer by using the mechanism of initiation of anionic ring-opening polymerization (1981)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 19 (1981), S. 223-233 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: N-acryloyl pyrrolidone (NAP) was synthesized by reaction of pyrrolidone with acryloyl chloride. First, the polymerization of NAP and copolymerization of NAP with styrene (St) were carried out at 60°C, using 2,2′-azobisisobutyronitrile (AIBN) as an initiator. Kinetic studies showed that the rate of polymerization (Rp) could be expressed by Rp = K [AIBN]0.5 [NAP]1.0. The reactivity of NAP was found to be larger than that of N-methacryloyl pyrrolidone. The overall activation energy was calculated to be 24.3 kcal mole-1. The following monomer reactivity ratio and Q and e values were obtained. NAP(M1) - St(M2): r1 = 1.50, r2 = 0.35, Q1 = 0.42, and e1 = 1.60. Second, graft copolymers were synthesized by reacting pyrrolidone, in the presence of a catalytic amount of its potassium salt, with poly(NAP-co-St).
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1981.170190201
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