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| Research of properties on the bio-chemical micro-array light addressable potentiometric sensor system |
| Han Jinghong; Liang Weiguo; Zhang Hong; Chen Deyong; Xu Lei |
| State Key Lab. of Transducer Tech., Inst. of Electron., CAS Beijing 100080 China |
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Abstract This paper describes a kind of micro-array Light Addressable Potentionietric Sen-sor(LAPS) system based on the Electrolyte-Insulator-Semiconductor (EIS) structure, in which electronic technology, optical technology and mechanical technology are applied. The mecha-nism of the LAPS is investigated and a trial specimen of the LAPS is developed ? The research work finds how the thickness of the chip, the linearity of the I-V curve and frequency affect the performance of the LAPS system, and obtains testing results of urea, penicillin and pH value.
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Received: 17 January 2002
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2003, Vol. 25 
