A potentiometric biosensor for rapid on-site disease diagnostics

A Tarasov, DW Gray, MY Tsai, N Shields… - Biosensors and …, 2016 - Elsevier
Quantitative point-of-care (POC) devices are the next generation for serological disease
diagnosis. Whilst pathogen serology is typically performed by centralized laboratories using …

Investigation of protein detection parameters using nanofunctionalized organic field-effect transistors

ML Hammock, O Knopfmacher, BD Naab, JBH Tok… - Acs Nano, 2013 - ACS Publications
Biodetection using organic field-effect transistors (OFETs) is gaining increasing interest for
applications as diverse as food security, environmental monitoring, and medical diagnostics …

Understanding the electrolyte background for biochemical sensing with ion-sensitive field-effect transistors

A Tarasov, M Wipf, RL Stoop, K Bedner, W Fu… - ACS …, 2012 - ACS Publications
Silicon nanowire field-effect transistors have attracted substantial interest for various
biochemical sensing applications, yet there remains uncertainty concerning their response …

Selective sodium sensing with gold-coated silicon nanowire field-effect transistors in a differential setup

M Wipf, RL Stoop, A Tarasov, K Bedner, W Fu… - ACS …, 2013 - ACS Publications
Ion-sensitive field-effect transistors based on silicon nanowires with high dielectric constant
gate oxide layers (eg, Al2O3 or HfO2) display hydroxyl groups which are known to be …

Selective layer-free blood serum ionogram based on ion-specific interactions with a nanotransistor

R Sivakumarasamy, R Hartkamp, B Siboulet… - Nature Materials, 2018 - nature.com
Despite being ubiquitous in the fields of chemistry and biology, the ion-specific effects of
electrolytes pose major challenges for researchers. A lack of understanding about ion …

True reference nanosensor realized with silicon nanowires

A Tarasov, M Wipf, K Bedner, J Kurz, W Fu… - Langmuir, 2012 - ACS Publications
Conventional gate oxide layers (eg, SiO2, Al2O3, or HfO2) in silicon field-effect transistors
(FETs) provide highly active surfaces, which can be exploited for electronic pH sensing …

A novel porous silicon multi-ions selective electrode based extended gate field effect transistor for sodium, potassium, calcium, and magnesium sensor

EA Kabaa, SA Abdulateef, NM Ahmed, Z Hassan… - Applied Physics A, 2019 - Springer
One of the most informative parameters of the bio-chemical sensors is the multi-ions
selectivity. Characterizing the biocompatible materials with high sensitivity and efficiency for …

[PDF][PDF] pH response of silicon nanowire sensors: Impact of nanowire width and gate oxide

K Bedner, VA Guzenko, A Tarasov, M Wipf… - Sens …, 2013 - sensors.myu-group.co.jp
We present a systematic study of the performance of silicon nanowires (SiNWs) with different
widths when they are used as ion-sensitive field-effect transistors (ISFETs) in pH-sensing …

Sensing properties of separative paper-based extended-gate ion-sensitive field-effect transistor for cost effective pH sensor applications

WJ Cho, CM Lim - Solid-State Electronics, 2018 - Elsevier
In this study, we developed a cost-effective ion-sensing field-effect transistor (FET) with an
extended gate (EG) fabricated on a separative paper substrate. The pH sensing …

Gold-coated graphene field-effect transistors for quantitative analysis of protein–antibody interactions

A Tarasov, MY Tsai, EM Flynn, CA Joiner… - 2D …, 2015 - iopscience.iop.org
Field-effect transistors (FETs) based on large-area graphene and other 2D materials can
potentially be used as low-cost and flexible potentiometric biological sensors. However …