A silicon integrated miniature chemical analysis system

Bart H. van der Schoot*, Sylvain Jeanneret, Albert van den Berg, Nico F. de Rooij

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

55 Citations (Scopus)
14 Downloads (Pure)

Abstract

Piezoelectrically driven micromachined silicon pumps are shown to have excellent characteristics for application in miniaturized chemical analysis systems. A system is demonstrated using two micro pumps and a separate glass flow-through cell with a potassium-sensitive ISFET. The measurement protocol is such that the sample solution enters the detector but does not pass the sensitive pump valves, thus improving the practical applicability of the system. During its operation, the sensor is continuously calibrated with a very low consumption of calibrating solution. With a measurement rate of four samples per minute, the use of calibrant is less than 3 ml/h.

Original languageEnglish
Pages (from-to)57-60
Number of pages4
JournalSensors and Actuators: B. Chemical
Volume6
Issue number1-3
DOIs
Publication statusPublished - Jan 1992
Externally publishedYes

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