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Citation: Wu Ding-Quan, Mei Fu-Ming, Qu Song-Sheng, Du Yu-Min, Zhan Dong-Feng. Study on the Reaction of Laccase and Hydrogen Peroxide by Microcalorimetry[J]. Acta Physico-Chimica Sinica, ;1991, 7(04): 490-494. doi: 10.3866/PKU.WHXB19910422 shu

Study on the Reaction of Laccase and Hydrogen Peroxide by Microcalorimetry

1.
Department of Chemistry, Wuhan University, Wuhan 430072; Institute of Resource Chemistry, Wuhan University

Received Date: 7 March 1990
Available Online: 15 August 1991

Study on thermokinetic properties of the reaction between laccase and hydrogen peroxide by microcalorimetry has been carried out. The rate constant of the reaction is k_1=4.15×10~(-4) s~(-1). The reoxidation of the product of the reaction of laccase with hydroquinone by hydrogen peroxide obeys Michaelis-Menten's mechanism. The Michael constant K_m equals 0.0392M.
- Microcalorimetry; Rate constant; Michaelis constant; Laccase; Substrate
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