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消耗积分 : 免积分
【中文摘要】 制备了新型纳米二氧化锡电极,将此电极用于水体中大肠杆菌的快速计数研究.实验结果表明,用该电极为工作电极,采用计时电流法能简便、快速、灵敏地对水体中的大肠杆菌进行计数.通过大肠杆菌脂质过氧化后丙二醛含量的检测,对大肠杆菌在纳米二氧化锡电极上的电化学响应机理进行了初步的探讨. 【英文摘要】 A novel nano-SnO_2 electrode was fabricated and applied to the fast counting of E. coli in water. The nano-SnO_2 electrode was used as bioelectrochemical sensor in chronoamperometry to count fastly E. coli with the advantages of quickness, simple operation and high sensitivity. Through assaying the MDA content of E. coli solution treated by electrochemical oxidation, the oxidation mechanism of E. coli at nano- SnO2 electrode was investgated and satisfactory results were obtained.
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