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Potentiometric biosensors based on silicon and porous silicon
Indranil Basu, Raman Venkata Subramanian, Arun Mathew, ,
Published in
2004
Volume: 1
   
Pages: 224 - 227
Abstract
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.
About the journal
Journal2004 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2004
Open AccessNo
Concepts (13)
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    BIOANALYTES
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    Butyric acid
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    POTENTIOMETRIC BIOSENSORS
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    Surface groups
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    Calibration
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    Electrolytes
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    Enzymes
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    Optimization
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    pH
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    Porous silicon
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    Potentiometers (resistors)
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    Urea
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    Biosensors