基于FET生物传感器的病原微生物检测系统设计  

Design of pathogenic microorganism detection system based on FET biosensor

作　　者：王浩 马金标 毕明帆 谢新武 程智 王秀清[1] WANG Hao;MA Jinbiao;BI Mingfan;XIE Xinwu;CHENG Zhi;WANG Xiuqing(College of Electronic Information and Automation,Tianjin University of Science and Technology,Tianjin 300222,China;Systems Engineering Institute,Academy of Military Sciences,People’s Liberation Army,Tianjin 300161,China;School of Environmental Science and Engineering,Tianjin University,Tianjin 300350,China)

机构地区：[1]天津科技大学电子信息与自动化学院,天津300222 [2]军事科学院系统工程研究院,天津300161 [3]天津大学环境科学与工程学院,天津300350

出　　处：《传感器与微系统》2023年第4期83-86,共4页Transducer and Microsystem Technologies

基　　金：国家传染病重大专项项目(2017ZX10304403-003-004)。

摘　　要：设计了一种基于场效应管(FET)生物传感器的检测系统。以STM32F103微处理器集成了自动进样、温度控制、光调制、数据采集与放大等模块;同时完成了基于C++软件环境的数据处理与分析人机交互界面的设计。通过对整个系统性能测试实验分析,结果表明:该系统检测灵敏度高,响应速度快,性能稳定可靠,抗干扰性强,操作简单、便携,能够较好地满足现场快速检测病原微生物的需求。A set of detection system based on field effect transistor(FET)biosensor is designed.The system based on STM32F103 micro controller,which integrates the modules of automatic sampling,temperature control,light modulation,data acquisition and amplification.At the same time,the design of data processing and analysis human-computer interaction interface based on C++software environment is completed.Through the performance test and analysis of the whole system,the results show that the system has high detection sensitivity,fast response,stable and reliable performance,strong anti-interference,simple operation and portable operation,which can better meet the needs of rapid detection of pathogenic microorganisms in the field.

关 键 词：场效应管 生物传感器 病原微生物 检测系统 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置] TP212.3[自动化与计算机技术—控制科学与工程]