Glucose biosensor based on electrodeposited platinum nanoparticles and three-dimensional porous chitosan membranes |
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| Authors: | Haiwei Chen Ruo Yuan Yaqin Chai Jinfen Wang Wenjuan Li |
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| Affiliation: | (1) Chongqing Key Laboratory of Analytical Chemistry, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, People’s Republic of China |
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| Abstract: | The chitosan with three-dimensional porous structure greatly increased the effective electrode surface for loading of platinum nanoparticles and promoted efficient electron transfer. The resulting biosensor had a response time (within 5 s) and a linear response from 6 μM to 4.2 mM glucose with a detection limit of 2 μM (S/N = 3). Moreover, the methodology can be applied for the immobilization of other enzymes. |
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