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  • 1
    Electronic Resource
    Electronic Resource
    Polysilane spherulites and their high photoluminescence quantum yields (1997)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 35 (1997), S. 427-430 
    Details
    ISSN: 0887-624X
    Keywords: polysilane ; spherulite ; photoluminescence ; quantum yield ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Large polysilane spherulites have been observed. The spherulites were prepared by controlling the removal rate of solvents from poly(n-butyl-n-pentylsilane) under a xylene atmosphere. The diameter of the spherulites was greater than 0.1 mm. The structure of the spherulites was compared with that of the polysilane powder by polarized microscopy, SEM, DSC, and x-ray diffractometry. A high photoluminescence quantum yield of 0.3 was obtained for the spherulites. © 1997 John Wiley & Sons, Inc.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Global fluctuations of the immunoglobulin domains under physiological conditions (1990)
    New York : Wiley-Blackwell
    Biopolymers 30 (1990), S. 389-394 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Hydrogen-exchange rates of the indole NH proton of a tryptophan residue, buried fully in the interior of each of the constant (CL) and variable (VL) fragments of a type-κ-immunoglobulin light chain, were studied at various pH values and at 25°C under 1H-nuclear magnetic resonance. The activation energies for the exchange reactions were determined also and compared with those for the unfolding reactions of these fragments induced by guanidine hydrochloride. The pH profiles of the exchange rates of the CL(κ) and VL(κ) fragments were very similar to that for a CL(λ) fragment reported previously.4 It was found that the CL(κ) and VL(κ) fragments as well as the CL(λ) fragment undergo a global unfolding transition with a conformation very similar to that of the fully unfolded state induced by guanidine hydrochloride even under physiological conditions.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360300316
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