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1998 (1)
1Author    E. Horozova, N. Dimcheva, Z. JordanovaRequires cookie*
 Title    Peroxidase-Like Activity of Catalase Immobilized on Carbon Materials  
 Abstract    The immobilization of catalase was carried out from enzyme solutions in acid (pH < 3.5) and alkaline (pH > 1 1) medium on two kinds of soot differing by the average size of the particles. Under these conditions the peroxidase-like activity of immobilized catalase in the oxidation of phenol has been studied. The effect of the initial concentration of the substrate on the rate of the process catalysed by catalase immobilized on the soot of finer-grained structure has been studied. The relationships obtained are described by the equation of Mi-chaelis-M enten. The kinetic parameters (the constant of Michaelis -K m, the maximum reac­ tion rate -Vmax, the rate constant -k and the activation energy -Ea) of the process were calculated. It was found that catalase absorbed on the soot of larger globular particles does not take part in the peroxidase oxidation of phenol. 
  Reference    Z. Naturforsch. 53c, 863—8 (1998); received March 3/May 15 1998 
  Published    1998 
  Keywords    Catalase, Immobilized Enzyme, Carbon Materials, Peroxidase-Like Activity 
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 TEI-XML for    default:Reihe_C/53/ZNC-1998-53c-0863.pdf 
 Identifier    ZNC-1998-53c-0863 
 Volume    53