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Acta Chimica Sinica ›› 2011, Vol. 69 ›› Issue (24): 3002-3006.DOI: 10.6023/A1101251 Previous Articles Next Articles
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康平利, 马小燕, 林觅, 郭淑杰, 刘新菲, 王建国*
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辽宁省教育厅创新团队基金
KANG Ping-Li, MA Xiao-Yan, LIN Mi, GUO Shu-Jie, LIU Xin-Fei, WANG Jian-Guo
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Novel polyvinyl chloride (PVC) membrane electrodes containing triheptyl dodecyl ammonium iodide as electroactive materials exhibit excellent potentiometric response to the complex of hydrogen peroxide and hexavalent molybdenum. A potentiometric glucose biosensor was developed based on the PVC film electrode which was employed as a platform to immobilize Glucose oxidase (GOD). Under the optimization experiment conditions, experimental results show that the biosensor responds linearly to glucose in the range from 2×10-4 to 5×10-3 mol/L, the detection limit was 5×10-5 mol/L. In addition, the biosensor exhibits high stability and good selectivity against common interfering species such as ascorbic acid, uric acid and some kinds of amino acids.
Key words: PVC membrane, glucose sensor, hexavalent molybdenum, potentiometric
KANG Ping-Li, MA Xiao-Yan, LIN Mi, GUO Shu-Jie, LIU Xin-Fei, WANG Jian-Guo. Development of a Potentiometric Glucose Biosensor Based on a PVC Membrane Electrode[J]. Acta Chimica Sinica, 2011, 69(24): 3002-3006.
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