Structures and Properties of the Blend Membrane of Regenerated Silk Fibroin and Poly(vinyl alcohol)and Its Application to Glucose Sensor

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (4): 651.

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Structures and Properties of the Blend Membrane of Regenerated Silk Fibroin and Poly(vinyl alcohol)and Its Application to Glucose Sensor

YU Tong-Yin¹, SHAO Zheng-Zhong¹, LIU Yong-Cheng¹, QIAN Jiang-Hong², LIU Hai-Ying², DENG Jia-Qi², HU De-Zhen³, ZHAO Hui-Ling³

1. Department of Macromolecular Science, Fudan University, Shanghai 200433;
2. Department of Chemistry, Fudan University, Shanghai 200433;
3. Centre of instrumental Analysis, Fudan University, Shanghai 200433

Received:1995-04-03 Online:1996-04-24 Published:1996-04-24

Abstract

Abstract: The morphologies and structures of the blend membranes of regenerated silk fibroin and poly(vinyl alcohol) were investigated with scanning electron microscopy,and theirwater absorbility and mechanical properties were measured.The amperometric p-benzo-(quinon mediatingsensor for glucose based on glucose oxidase immobilized in the blend membrane of regenerated silk fibroin and poly(vinyl alcohol) possessed perfect stability and highsensitivity,and its linear range was from 10^-5 to 10^-2 mol/Lwith the response time less than 20 s.Moreover,its lifetime was over two months.

Key words: Regenerated silk fibroin.Poly(vinyl alcohol), Glucose oxidase, Glucose sensor

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YU Tong-Yin, SHAO Zheng-Zhong, LIU Yong-Cheng, QIAN Jiang-Hong, LIU Hai-Ying, DENG Jia-Qi, HU De-Zhen, ZHAO Hui-Ling. Structures and Properties of the Blend Membrane of Regenerated Silk Fibroin and Poly(vinyl alcohol)and Its Application to Glucose Sensor[J]. Chem. J. Chinese Universities, 1996, 17(4): 651.

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Structures and Properties of the Blend Membrane of Regenerated Silk Fibroin and Poly(vinyl alcohol)and Its Application to Glucose Sensor

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