Sensors & Transducers Journal

    (ISSN 1726- 5479)

Vol. 82, Issue 8, August 2007, pp. 1405-1417

Bio-Techniques in Electrochemical Transducers: an Overview

Vikas & C. S. Pundir

Department of Biochemistry & Genetics, Maharishi Dayanand University,

Rohtak-124001, India

Tel.: 00 91 09254160010

E-mail: biosensor_tech@yahoo.com

Received: 2 June 2007   /Accepted: 20 August 2007   /Published: 27 August 2007

Abstract: Novelty in fabrication & designing of biosensors are being carried out at a high rate as these devices become increasingly popular in fields like environmental monitoring, bioterrorism, food analyses and most importantly in the area of health care and diagnostics. This rapidly expanding field has an annual growth rate of 65%, with major impetus from the health-care industry (30% of the world’s total analytical market) supported with other analytical areas of food & environmental monitoring including defense needs. This context aims to highlight trends in practice for electrochemical biosensor design and construction. The availability and application of a vast range of polymers and copolymers associated with new sensing techniques have led to remarkable innovation in the design and construction of biosensors, significant improvements in sensor function and the emergence of new types of biosensor. Nevertheless, in vivo applications remain limited by functional deterioration due to surface fouling by biological components. However, use of new material and novelty in fabrication, raising hopes that the problems related to decreased functional of the bioanalytical layer be solved in time.

Keywords: Biosensor, Electrode, Electrochemical, Immobilization, Fabrication

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