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A novel design approach for developing chemical sensing platforms using inexpensive technologies

A novel design approach for developing chemical sensing platforms using inexpensive technologies
A novel design approach for developing chemical sensing platforms using inexpensive technologies
In this paper we describe a novel design methodology for fabricating chemical sensing platforms by utilising well-established inexpensive technologies. In our approach, the sensing site and the active part of the transducer are designated as two separate entities, facilitating the use of a multitude of sensing membranes and/or supporting substrates as well as the employment of discrete off-the-shelf devices. The versatility of this method is demonstrated through prototype chemical sensing platforms based on Pt/SixNy and Au/TiO2 sensing sites, fabricated on glass-microscope slides and printed circuit boards respectively, with discrete MOSFETs integrated on the same platforms. Finally, this concept was further exploited by designing and fabricating a universal instrumentation board that incorporates both the active transducers as well as appropriate read-out circuitry, demonstrating near to Nerstian chemical sensitivities.
isfet, chemical sensor, extended-gate sensors, ph monitoring
978-1-4577-1469-6
369-372
Prodromakis, T.
d58c9c10-9d25-4d22-b155-06c8437acfbf
Liu, Y.
621975c3-5440-4f2c-b313-4e724228220d
Yang, J.
03ecc588-0dc4-448f-a669-7c7838f6bd46
Hollinghurst, D.
c121c8a1-194a-4a34-9fee-07e299cef2a2
Toumazou, C.
52728165-8fe5-4c54-9fad-e9ccc4423dd6
Prodromakis, T.
d58c9c10-9d25-4d22-b155-06c8437acfbf
Liu, Y.
621975c3-5440-4f2c-b313-4e724228220d
Yang, J.
03ecc588-0dc4-448f-a669-7c7838f6bd46
Hollinghurst, D.
c121c8a1-194a-4a34-9fee-07e299cef2a2
Toumazou, C.
52728165-8fe5-4c54-9fad-e9ccc4423dd6

Prodromakis, T., Liu, Y., Yang, J., Hollinghurst, D. and Toumazou, C. (2011) A novel design approach for developing chemical sensing platforms using inexpensive technologies. 2011 IEEE Biomedical Circuits and Systems Conference (BioCAS), San Diego, United States. 10 - 12 Nov 2011. pp. 369-372 . (doi:10.1109/BioCAS.2011.6107804).

Record type: Conference or Workshop Item (Other)

Abstract

In this paper we describe a novel design methodology for fabricating chemical sensing platforms by utilising well-established inexpensive technologies. In our approach, the sensing site and the active part of the transducer are designated as two separate entities, facilitating the use of a multitude of sensing membranes and/or supporting substrates as well as the employment of discrete off-the-shelf devices. The versatility of this method is demonstrated through prototype chemical sensing platforms based on Pt/SixNy and Au/TiO2 sensing sites, fabricated on glass-microscope slides and printed circuit boards respectively, with discrete MOSFETs integrated on the same platforms. Finally, this concept was further exploited by designing and fabricating a universal instrumentation board that incorporates both the active transducers as well as appropriate read-out circuitry, demonstrating near to Nerstian chemical sensitivities.

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More information

Published date: November 2011
Venue - Dates: 2011 IEEE Biomedical Circuits and Systems Conference (BioCAS), San Diego, United States, 2011-11-10 - 2011-11-12
Keywords: isfet, chemical sensor, extended-gate sensors, ph monitoring
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 351553
URI: http://eprints.soton.ac.uk/id/eprint/351553
ISBN: 978-1-4577-1469-6
PURE UUID: 71baa635-355c-458b-af45-f7f4bfffbe2a
ORCID for T. Prodromakis: ORCID iD orcid.org/0000-0002-6267-6909

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Date deposited: 26 Apr 2013 16:01
Last modified: 14 Mar 2024 13:41

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Contributors

Author: T. Prodromakis ORCID iD
Author: Y. Liu
Author: J. Yang
Author: D. Hollinghurst
Author: C. Toumazou

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