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  • 1
    Electronic Resource
    Electronic Resource
    Torsion induced circular dichroism in hexagonal CdS (1995)
    Springer
    The European physical journal 96 (1995), S. 511-516 
    Details
    ISSN: 1434-6036
    Keywords: 78.20.Dj ; 78.20.Wc ; 78.20.Ek
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The influence of the torsion on the absorption properties of hexagonal CdS has been studied in our experiments. The undeformed CdS does not possess circular dichroism (CD) but it manifests linear dichroism (LD). An appearance of CD and a change of LD can be observed in the torsion deformed CdS crystals. The mentioned absorption phenomena occur in the vicinity of the isotropic point (i.p.), the crossing point of the curves of the refractive indicesn 0(λ) andn e (λ). The sign of CD is connected with the direction of the torsional momentM. The magnitude ofM influences the shape of CD spectra as well as the values of LD. The appearance of CD and the change of LD are explained by the torsion induced gyrotropy in the CdS crystals, i.e. by the created chirality in the hexagonal CdS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01313849
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  • 2
    Electronic Resource
    Electronic Resource
    Nickelocene-mediated glucose oxidase electrode (1993)
    Weinheim : Wiley-Blackwell
    Electroanalysis 5 (1993), S. 91-97 
    Details
    ISSN: 1040-0397
    Keywords: Glucose sensor ; Mediators ; Nickelocene ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Nickelocene is investigated as an electrochemical mediator in glucose oxidase (GOD) amperometric electrodes. It is found that the adsorbed nickelocene mediates the charge transfer between the electrode and glucose oxidase adsorbed on the electrode surface. The quasi redox potential of a nickelocene/nickelocenium couple adsorbed on an electrochemically activated pyrolytic graphite electrode is experimentally estimated (-0.105 V vs. Ag/AgCl). The steady-state amperometric response of nickelocene-mediated glucose electrode is investigated as a function of the glucose concentration, applied potential, and solution pH of the electrolyte. The working potential of a nickelocene-mediated glucose electrode is 0.00 V (vs. Ag/AgCl).
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elan.1140050114
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