This title appears in the Scientific Report :
2003
Please use the identifier:
http://dx.doi.org/10.1016/S0925-4005(03)00070-4 in citations.
Multi-parameter detection of (bio-)chemical and physical quantities using an identical transducer principle
Multi-parameter detection of (bio-)chemical and physical quantities using an identical transducer principle
A multi-functional hybrid sensor module and multi-parameter measuring system for the detection of six (bio-)chemical and physical parameters (pH, penicillin concentration, diffusion coefficients of ions, temperature, flow velocity and flow direction) is realised using the same transducer principle....
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Personal Name(s): | Poghossian, A. |
---|---|
Schultze, J. W. / Schöning, M. J. | |
Contributing Institute: |
Institut für Bio- und Chemosensoren; ISG-2 |
Published in: |
Sensors and actuators |
Imprint: |
Amsterdam [u.a.]
Elsevier Science
2003
|
Physical Description: |
83 - 91 |
DOI: |
10.1016/S0925-4005(03)00070-4 |
Document Type: |
Journal Article |
Research Program: |
Materialien, Prozesse und Bauelemente für die Mikro- und Nanoelektronik |
Series Title: |
Sensors and Actuators B
91 |
Subject (ZB): | |
Publikationsportal JuSER |
A multi-functional hybrid sensor module and multi-parameter measuring system for the detection of six (bio-)chemical and physical parameters (pH, penicillin concentration, diffusion coefficients of ions, temperature, flow velocity and flow direction) is realised using the same transducer principle. Here, an ion-sensitive field-effect transistor (ISFET), which is well known as a (bio-)chemical sensor, is also utilised as a physical sensor. Thus, more parameters can be determined than the number of sensors present in the modular system (so-called "high order" system). The multi-parameter detection is achieved by means of sequentially or simultaneously scheduling of different sensor arrangements and/or different operation modes. The results of testing of the developed hybrid module in different sensor configurations and basic characteristics of individual sensors, including an ISFET-based "time-of-flight"-type flow-velocity and flow-direction sensor employing the in situ electrochemical generation of chemical tracers, like H+- or OH--ions, are presented and discussed. A novel diffusion-coefficient sensor that is based also on an ISFET is introduced and experimentally demonstrated. (C) 2003 Elsevier Science B.V. All rights reserved. |