Immobilization and Catalytic Property of α-Chymotrypsin in the Channel of Silica Mesoporous Material SBA-15

Abstract

Abstract: The hexagonal silica mesoporous material SBA-15 with ordered 2-dimensional channel structure was used as a suppport to the immobilization of emzyme. α-Chymotrypsin, an enzyme, was assembled in the channel of SBA-15 by immersion method. The absorbed amount of enzyme in SBA-15 and the activity of the immobilized enzyme were studied. It was found that there was more absorbed enzyme in SBA-15 than in other carrier and the activity of the immobilized α-chymotrypsin was increased compared with the free enzyme. It suggests that silica mesoporous material SBA-15 is a good support for immobilization of enzyme.

Key words: Silica mesoporous material SBA-15, Immobilized enzyme, α-Chymotrypsin, Catalytic activity

CLC Number:

Q814.2

TrendMD:

GAO Bo, ZHU Guang-Shan, FU Xue-Qi, XIN Ming-Hong, QIU Shi-Lun. Immobilization and Catalytic Property of α-Chymotrypsin in the Channel of Silica Mesoporous Material SBA-15[J]. Chem. J. Chinese Universities, 2003, 24(6): 1100.

References

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