Ultrafast large-scale chemical sensing with CMOS ISFETs: A level-crossing time-domain approach

Y Liu, TG Constandinou… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The introduction of large-scale chemical sensing systems in CMOS which integrate millions
of ISFET sensors have allowed applications such as DNA sequencing and fine-pixel …

Mechanisms for enhancement of sensing performance in CMOS ISFET arrays using reactive ion etching

N Moser, C Panteli, K Fobelets, P Georgiou - Sensors and Actuators B …, 2019 - Elsevier
In this work, we investigate the impact of successively removing the passivation layers of
ISFET sensors implemented in a standard CMOS process to improve sensing performance …

Impact of technology scaling on ISFET performance for genetic sequencing

N Miscourides, P Georgiou - IEEE Sensors Journal, 2014 - ieeexplore.ieee.org
This paper investigates the impact of technology scaling according to Moore's law on the
performance of ion-sensitive field-effect transistors (ISFETs) as pH sensors for genetic …

Detection of α-Galactosidase A Reaction in Samples Extracted from Dried Blood Spots Using Ion-Sensitive Field Effect Transistors

A Kuznetsov, A Sheshil, E Smolin, V Grudtsov… - Sensors, 2024 - mdpi.com
Fabry disease is a lysosomal storage disorder caused by a significant decrease in the
activity or absence of the enzyme α-galactosidase A. The diagnostics of Fabry disease …

A 201 mV/pH, 375 fps and 512× 576 CMOS ISFET sensor in 65nm CMOS technology

Y Jiang, X Liu, X Huang, J Guo, M Yan… - 2015 IEEE Custom …, 2015 - ieeexplore.ieee.org
This paper presents a high-gain and large-scale CMOS ion-sensitive field effect transistor
(ISFET) sensor. The high-gain readout is achieved by a novel pH-to-Time-to-Voltage …

A high offset distribution tolerance high resolution ISFET array with auto-compensation for long-term bacterial metabolism monitoring

M Duan, X Zhong, J Xu, YK Lee… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper presents a CMOS ion-sensitive-field-effect-transistor (ISFET) array with superior
offset distribution tolerance, resolution and linearity for long-term bacterial metabolism …

Calibrating for trapped charge in large-scale ISFET arrays

N Miscourides, P Georgiou - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
In this paper, we discuss the effect of mismatch due to trapped charge on floating-gate ISFET
sensors which constitutes one of its major limitations when fabricated in unmodified CMOS …

[PDF][PDF] ISFET pH-sensor sensitivity extraction using conventional MOSFET simulation tools

TM Abdolkader, AG Alahdal, A Shaker… - International Journal of …, 2015 - academia.edu
The Ion-Sensitive Field-Effect Transistor (ISFET) has traditionally been used to measure
hydrogen ion concentration (pH) of a solution. Its performance depends mainly on its …

[HTML][HTML] Noise characteristics with CMOS sensor array scaling

C Accarino, VF Annese, BC Cheah, MA Al-Rawhani… - Measurement, 2020 - Elsevier
An important consideration when scaling semiconductor sensor devices is the effect it may
have on noise performance. Overall signal to noise ratio can be improved both by increasing …

[PDF][PDF] CMOS ISFET device for DNA sequencing: device compensation, application requirements and recommendations

AM Dinar, ASM Zain, F Salehuddin - Int. J. Appl. Eng. Res, 2017 - academia.edu
Ion sensitive field-effect transistor in DNA sequencing application is gaining popularity
because of its capability to work massive parallel sensor arrays, especially when integrated …