基于酶传感的农药浓度快速检测装置研究  

Development of a Rapid Device for Measuring Pesticide Concentration Based on SOC MCU

作　　者：陈志刚[1] 张启甲[1] 邱白晶[1] 王坤[1] 

机构地区：[1]江苏大学现代农业装备与技术省部共建教育部重点实验室,江苏镇江212013

出　　处：《农机化研究》2011年第12期82-85,共4页Journal of Agricultural Mechanization Research

基　　金：国家"863"高技术研究发展计划项目(2008AA1009052006AA10A305-3)

摘　　要：基于酶传感对农药浓度进行检测,设计了以丝网印刷酶电极作为敏感元件、由SOC单片机和微电流测量电路组成的检测装置。通过与CHI660B型电化学工作站测量对比实验可知:该装置对微电流测量的精度达0.01uA,最大误差小于0.19uA,检出时间小于3min;装置尺寸小,适合于现场农药浓度的快速检测。This paper developed a kind of portable and rapid device for measuring pesticide residues based on SOC MCU,included screen-printed enzyme sensing system,SOC MCU and the circuit of weak-current measurement.Through the contrast experiment with using electrochemical workstation measurement,the device of precision of current measurement has reached 0.01μA level,compared with electrochemical workstation measured current value,the maximum error less than 0.19μA,and the small size of device,response time less than 3min,suitable for the scene rapidly and real-time measuring of pesticide residues.

关 键 词：农药浓度 丝网印刷酶电极 SOC单片机 微电流测量 

分 类 号：S237[农业科学—农业机械化工程] TP216.1[农业科学—农业工程]