Catalytic Activity and Stability of Magadiite-Immobilized Myoglobin in Organic Solvents

Chinese Journal of Catalysis ›› 2008, Vol. 29 ›› Issue (5): 458-462.

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Catalytic Activity and Stability of Magadiite-Immobilized Myoglobin in Organic Solvents

PENG Shuge1*, GAO Qiuming2, LIU Hongyu1, LU Chang1, ZHANG Yuqing1

1 Key Laboratory of Polymer and Nanomaterials, Henan University of Science and Technology, Luoyang 471003, Henan, China; 2 State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, The Chinese Academy of Sciences, Shanghai 200050, China

Received:2008-05-25 Online:2008-05-25 Published:2012-05-02

Abstract

Abstract: The myoglobin (Mb)-intercalated magadiite nano-composite (Mb-magadiite) was successfully obtained by the exfoliation-reassembly method under mild conditions and was used to catalyze the oxidation of o-phenylenediamine in organic solvents with different hydrophobicities. The results showed that the immobilized myoglobin had higher catalytic activity and stability than free Mb in organic solvents with moderate hydrophobicities. The effects of the organic solvents on the catalytic performance of the immobilized myoglobin were also discussed.

Key words: magadiite, enzyme, immobilization, myoglobin, exfoliation-reassembly, hydrophobicity

PENG Shuge*;GAO Qiuming;LIU Hongyu;LU Chang;ZHANG Yuqing. Catalytic Activity and Stability of Magadiite-Immobilized Myoglobin in Organic Solvents[J]. Chinese Journal of Catalysis, 2008, 29(5): 458-462.

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Catalytic Activity and Stability of Magadiite-Immobilized Myoglobin in Organic Solvents

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