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 …

This paper presents a 32× 32 ISFET sensing array with in-pixel digitisation for pH sensing.
The in-pixel digitisation is achieved using an inverter-based sensing pixel that is controlled …

A novel pixel architecture is presented to be part of a pH-based DNA microarray using
ISFETs as chemical sensors. The design, based on APS architectures, performs pulse width …

This paper presents a novel ISFET based readout system by minimizing the analogue
instrumentation. Quantization of sensed pH is realized by means of a novel ISFET pH-to …

This paper presents a robust, low-power and compact ion-sensitive field-effect transistor
(ISFET) sensing front-end for pH reaction monitoring using unmodified CMOS. Robustness …

This paper presents a large-scale CMOS chemicalsensing array operating in current mode
for real-time ion imaging and detection of DNA amplification. We show that the currentmode …

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 …

Goal: The existing ISFET-based DNA sequencing detects hydrogen ions released during the
polymerization of DNA strands on microbeads, which are scattered into microwell array …

In this paper, we present an investigation of technology scaling applied to pixel architectures
for chemical sensing using Ion-Sensitive Field-Effect Transistors (ISFETs). In particular, we …

This paper presents a large-scale ion-sensitive field effect transistor (ISFET) array chip for
pH sensing. A 3600× 3600-pixel ISFET sensor array and corresponding readout circuitry are …