TY - GEN
T1 - An ion imaging ISFET array for Potassium and Sodium detection
AU - Moser, Nicolas
AU - Leong, Chi Leng
AU - Hu, Yuanqi
AU - Boutelle, Martyn
AU - Georgiou, Pantelis
N1 - Publisher Copyright:
© 2016 IEEE.
PY - 2016/7/29
Y1 - 2016/7/29
N2 - In this paper, we present a novel approach to ISFET arrays which allows the conception of ion imaging Lab-on-CMOS platforms. K+ and Na+ selective polymer membranes are deposited on the surface of the array so that each pixel is selective to a particular ionic species. An initial calibration produces an accurate mapping of the array in terms of ion-selective regions and determines the sensitivity of the membrane. The system exhibits K+ and Na+ sensitivities of respectively 51.2 mV/dec and 46.8 mV/dec, and demonstrates good discrimination of Potassium and Sodium ions for a common solution exposed to the chip, with a reported error lower than 1%. This ISFET-based tri-ion imaging array constitutes the basis for a portable integrated multi-ion platform.
AB - In this paper, we present a novel approach to ISFET arrays which allows the conception of ion imaging Lab-on-CMOS platforms. K+ and Na+ selective polymer membranes are deposited on the surface of the array so that each pixel is selective to a particular ionic species. An initial calibration produces an accurate mapping of the array in terms of ion-selective regions and determines the sensitivity of the membrane. The system exhibits K+ and Na+ sensitivities of respectively 51.2 mV/dec and 46.8 mV/dec, and demonstrates good discrimination of Potassium and Sodium ions for a common solution exposed to the chip, with a reported error lower than 1%. This ISFET-based tri-ion imaging array constitutes the basis for a portable integrated multi-ion platform.
UR - https://www.scopus.com/pages/publications/84983388258
U2 - 10.1109/ISCAS.2016.7539186
DO - 10.1109/ISCAS.2016.7539186
M3 - 会议稿件
AN - SCOPUS:84983388258
T3 - Proceedings - IEEE International Symposium on Circuits and Systems
SP - 2847
EP - 2850
BT - ISCAS 2016 - IEEE International Symposium on Circuits and Systems
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2016 IEEE International Symposium on Circuits and Systems, ISCAS 2016
Y2 - 22 May 2016 through 25 May 2016
ER -