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Novel applications of silicon and porous silicon based EISCAP biosensors

โœ Scribed by Mathew, Arun ;Pandian, Ganesh ;Bhattacharya, Enakshi ;Chadha, Anju

Book ID
105365244
Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
284 KB
Volume
206
Category
Article
ISSN
0031-8965

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โœฆ Synopsis

Abstract

We report the fabrication of potentiometric electrolyteโ€insulator capacitor (EISCAP) biosensors based on silicon and porous silicon (PS) substrates with oxide and stacked oxideโ€nitride dielectrics. These biosensors have been calibrated for the detection and estimation of bioanalytes like tributyrin and urea, based on enzymatic reactions and have a linear detection range from 0.1 mM to 20 mM of the bioanalyte concentration. These improved sensitivity EISCAP sensors were used for the estimation of the total acid content in rancid butter, estimation of enzyme (Lipase) activity and to estimate total triglyceride levels in blood serum. (ยฉ 2009 WILEYโ€VCH Verlag GmbH & Co. KGaA, Weinheim)

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