This paper presents two novel oscillator-based architectures for scalable, programmable,
and robust ion sensing using CMOS-based ISFETs. These architectures encode the …

Proposed is an ISFET readout scheme with minimum analogue components to minimise
parasitic and noise effects in large-scale chemical sensing arrays. For each array pixel, a …

The need to record directly the sensing target of interest in the vicinity of where a
physiological and clinically relevant event takes place, rather than indirectly or through …

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 …

With helps of advancing CMOS technology, ISFETs have achieved great success. However,
CMOS-based ISFETs are also suffering problems of scaling attenuation and threshold …

This paper presents a novel scalable readout-converter operating in weak inversion with a
least significant bit resolution of 0.015 pH change. The readout-converter eliminates the …

This chapter provides a comprehensive overview of the principles, applications, and
advancements in graphene field-effect transistor (gFET) biosensors for biological sensing …

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 …

Abstract pH measurements are widely used in biomedical engineering, agriculture,
environmental studies, the food industry, etc. In biomedical and healthcare research, it is …

ISFETs (ion sensitive field effect transistors) are ion solid-state sensors based on MOSFETs
(metal oxide semiconductor field effect transistors) applied in many areas including ion …