Handheld measurement device for field-effect sensor structures: Practical evaluation and limitations

Torsten Wagner; Rob J. Maris; Hans Josef Ackermann; Ralph Otto; Stefan Beging; Arshak Poghossian; Michael J. Schöning

doi:10.1016/j.snb.2007.07.073

Handheld measurement device for field-effect sensor structures: Practical evaluation and limitations

Torsten Wagner, Rob J. Maris, Hans Josef Ackermann, Ralph Otto, Stefan Beging, Arshak Poghossian, Michael J. Schöning

ENG - Electronic Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A user-friendly handheld measurement device in combination with a field-effect-based capacitive electrolyte-insulator-semiconductor (EIS) sensor has been developed. The measurement device allows the characterisation of various chemical sensors and biosensors in both the capacitance-voltage (C/V) and the constant-capacitance (ConCap) mode. The developed device has been systematically tested with pH-sensitive EIS sensors in terms of accuracy, reliability and noise behaviour. Many possible applications for this type of semiconductor-based sensor with the associated convenient handheld measurement device can be found in the biotechnology environment. First practical aspects and considerations to apply EIS-based sensors together with the new handheld measurement device for pH measurements in a cell-culture medium will be reported.

Original language	English
Pages (from-to)	217-223
Number of pages	7
Journal	Sensors and Actuators, B: Chemical
Volume	127
Issue number	1
DOIs	https://doi.org/10.1016/j.snb.2007.07.073
Publication status	Published - 2007 Oct 20

Keywords

Capacitive EIS sensor
Field-effect
Handheld measurement device

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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Handheld measurement device for field-effect sensor structures : Practical evaluation and limitations. / Wagner, Torsten; Maris, Rob J.; Ackermann, Hans Josef; Otto, Ralph; Beging, Stefan; Poghossian, Arshak; Schöning, Michael J.

In: Sensors and Actuators, B: Chemical, Vol. 127, No. 1, 20.10.2007, p. 217-223.

Research output: Contribution to journal › Article › peer-review

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AU - Beging, Stefan

AU - Poghossian, Arshak

AU - Schöning, Michael J.

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Handheld measurement device for field-effect sensor structures: Practical evaluation and limitations

Abstract

Keywords

ASJC Scopus subject areas

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