A High-Sensitivity Potentiometric 65-nm CMOS ISFET Sensor for Rapid E. coli Screening

• Published in: IEEE transactions on biomedical circuits and systems Vol. 12; no. 2; pp. 402 - 415
• Main Authors: Jiang, Yu, Liu, Xu, Dang, Tran Chien, Huang, Xiwei, Feng, Hao, Zhang, Qing, Yu, Hao
• Format: Journal Article
• Language: English
• Published: United States IEEE 01.04.2018; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Bacteria; Capacitance; Chemical perception; Chemoreception; CMOS; Design parameters; E coli; Electric potential; Field effect transistors; Food; Food safety; ISFET; Logic gates; Metal oxides; Microorganisms; Organic chemistry; Outbreaks; Parameter sensitivity; Passivation; pH detection; pH effects; Plates (structural members); Screening; Semiconductor devices; Sensitivity; Sensors; Transistors

Foodborne bacteria, inducing outbreaks of infection or poisoning, have posed great threats to food safety. Potentiometric sensors can identify bacteria levels in food by measuring medium's pH changes. However, most of these sensors face the limitation of low sensitivity and high cost. In this p...