Potentiometric Biosensors Based on Silicon and Porous Silicon
NSTI NANOTECH 2004, VOL 1, TECHNICAL PROCEEDINGS(2004)
摘要
We report fabrication of potentiometric biosensors with silicon for the estimation of triglycerides and urea based on enzymatic reactions. The sensor is an Electrolyte-Insulator-Semiconductor capacitor (EISCAP) that shows a shift in the measured CV with changes in the pH of the electrolyte. Enzyme mediated biological reactions involve changes in the pH of the electrolyte and an EISCAP can be effectively used for detection of biological compounds. Optimization of the conditions for the enzymatic reaction and calibration of the sensor are included. Effect of replacing silicon with porous silicon is discussed.
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关键词
biosensor,potentiometric,EISCAP,pH,enzymatic
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