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Citation: HU Zhi-Guo, ZHANG Yi-Feng, XUE Huai-Guo, SHEN Zhi-Quan. Synthesis of Block Copolymer of Isoprene and 1, 2-Epoxyhexane and Its Application to Immobilizing Enzyme[J]. Chinese Journal of Applied Chemistry, ;2001, 18(5): 373-376. shu

Synthesis of Block Copolymer of Isoprene and 1, 2-Epoxyhexane and Its Application to Immobilizing Enzyme

1.
Institute of Polymer Science, Zhejiang University, Hangzhou 310027

Received Date: 21 December 2000
Available Online: 12 March 2001
Fund Project: 国家自然科学基金(29974024) (29974024)国家重点基础研究(G1999064801)资助项目 (G1999064801)

The block copolymer of isoprene(Ip) and 1,2-epoxyhexane (HEO) was synthesized by rare earth coordination catalyst, [Nd(P₂₀₄)₃-Al(i-Bu)₃-BrCH₂CH₂Br]. The polymerization behavior was studied in detail. The polymer was characterized by IR and elemental analysis. The poly(isoprene-b-1,2-epoxyhexane) glucose oxidase electrode, which was formed by immobilization of glucose oxidase on the poly (Ip-b-HEO) film using the electrochemical method, has kinetic characteristics of the typical enzyme-catalyzed reaction. The apparent Michaelis constant and activation energy for the immobilized glucose oxidase are 32.2 mmol/L and 37.2 kJ/mol, respectively.
- rare earth coordination catalyst,
- isoprene,
- epoxyhexane,
- block copolymerization,
- glucose oxidase,
- immobilized enzyme
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