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'Immobilized Enzyme' in keywords Facet   Publication Year 1997  [X]
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1997[X]
1Author    E. Horozova, N. Dimcheva, Z. JordanovaRequires cookie*
 Title    Enzymatic and Electrochemical Reactions of Xanthine Oxidase Immobilized on Carbon Materials  
 Abstract    A n optimum way o f immobilizing xanthine oxidase on graphite was found where a redox transformation of the enzyme was observed. The nature o f the redox maxima was hypothe­ sized on the basis of the dependence of the half-wave potential (E p/2) on the pH of the solution. The enzymatic activity of xanthine oxidase adsorbed on two kinds o f soot was studied by the oxidation o f xanthine. The kinetic and activation parameters of the enzyme reaction were determined. 
  Reference    Z. Naturforsch. 52c, 159—164 (1997); received November ll/ 
  Published    1997 
  Keywords    Xanthine Oxidase, Immobilized Enzyme, Carbon Materials, Electrochemical and Catalytic Activity 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0159.pdf 
 Identifier    ZNC-1997-52c-0159 
 Volume    52 
2Author    E. Horozova, N. Dimcheva, Z. JordanovaRequires cookie*
 Title    Adsorption, Catalytic and Electrochemical Activity o f Catalase Immobilized on Carbon Materials  
 Abstract    The adsorption of catalase on two types of soot differing in their structure has been charac­ terized. The adsorption of this enzyme obeys the Tyomkin adsorption isotherm. It has been established that the catalase immobilized on soot and graphite takes part in the electrochem i­ cal oxidation of phenol. The enzyme activity of catalase immobilized on both types of soot was studied on the decomposition of hydrogen peroxide. The kinetic and activation param e­ ters of the processes studied have been determined. 
  Reference    Z. Naturforsch. 52c, 639—644 (1997); received May 5/July 3 1997 
  Published    1997 
  Keywords    Catalase, Immobilized Enzyme, Carbon Materials, Electrochemical and Biocatalytic Activity 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0639.pdf 
 Identifier    ZNC-1997-52c-0639 
 Volume    52