On-chip base sequencing using a two-stage reaction-control scheme: 3.6-times-faster and 1/100-reduced-data-volume ISFET-based DNA sequencer

Y Yanagawa, N Itabashi, S Migitaka… - … Circuits and Systems …, 2013 - ieeexplore.ieee.org
A novel two-stage reaction-control scheme with a background-cancelling circuit—for
reducing data volume and analysis time of an ion-sensitive-FET (ISFET)-based DNA …

A direct-capacitive feedback ISFET interface for pH reaction monitoring

Y Hu, P Georgiou - 2013 IEEE International Symposium on …, 2013 - ieeexplore.ieee.org
In this paper we propose a low-power, compact ISFET interface capable of overcoming
problems of DC offset due to trapped charge and transcoductance reduction due to …

A piecewise linear approximating ISFET readout

M Sohbati, P Georgiou… - 2013 IEEE Biomedical …, 2013 - ieeexplore.ieee.org
This paper presents a novel readout circuit for ionic concentration change measurement
overcoming the non-linear effects of the Ion-sensitive Field-effect Transistor. The readout …