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  4. Array of individually addressable microelectrodes as transducer for enzyme-based sensors.
 
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1994
Conference Paper
Title

Array of individually addressable microelectrodes as transducer for enzyme-based sensors.

Title Supplement
Abstract
Abstract
This chapter elaborates the array of individually addressable microelectrodes as transducer for enzyme-based sensors. The results obtained with a monolithic single-chip sensor array are presented. The sensor chip is 14 × 14 mm2 sized and has been produced in a modified CMOS process. It contains an array of 400 individually addressable sensor cells arranged in a matrix of 20 rows and 20 columns. Each sensor cell consists of a 50 × 50 mm2 sized platinum-working electrode, read-out electronics and the sensor cell control unit. In addition to the 400 working electrodes, two platinum electrodes of 250 × 6000 mm2 are arranged on both sides of the sensor array. These electrodes can be used as on-chip reference or counter electrodes. The array can be used in potentiometric or amperometric mode. As an example for potentiometric measurements, the array was modified with an ammonium-sensitive PVC-membrane and afterward, with a urease containing membrane, thus creating an array of 400 urea-sensitive electrodes.
Author(s)
Meyer, H.
Drewer, H.
Krause, J.
Cammann, K.
Kakerow, R.
Manoli, Y.
Mokwa, W.
Rospert, M.
Mainwork
Biosensors 1994. Abstracts  
Conference
World Congress on Biosensors 1994  
DOI
10.1016/B978-1-85617-242-4.50107-5
Language
English
Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme IMS  
Keyword(s)
  • amperometric measurement

  • bildgebendes Verfahren

  • Biosensor

  • chemical sensors

  • chemischer Sensor

  • image formation

  • integrated sensor

  • potentiometric measurement

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