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Quantum dots based platform for application to fish freshness biosensor

IR@NPL: CSIR-National Physical Laboratory, New Delhi

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Title Quantum dots based platform for application to fish freshness biosensor
 
Creator Reza, K. Kamil
Singh, Manish Kumar
Yadav, Surendra K.
Singh, Jay
Agrawal, Ved Varun
Malhotra, B. D.
 
Subject Analytical Chemistry
Electrochemistry
Instruments/ Instrumentation
 
Description Laser ablated tin oxide quantum dots (SnO2 QDs similar to 1-5 nm) uniformly dispersed in a colloidal solution have been electrophoretically deposited onto indium-tin-oxide (ITO) glass for immobilization of xanthine oxidase (XOx) for fabrication of fish freshness biosensor. The results of electrochemical response studies conducted on XOx/SnO2 QDs/ITO bio-electrode reveal higher sensitivity (0.5148 mu A/mu M cm(2)), lower K-m value (0.022 mu M), faster response time (10 s), and wide linear range of 1-400 mu M with regression coefficient as 0.999, higher charge transfer rate constant 1.63 s(-1).
 
Publisher Elsevier
 
Date 2013-02
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://npl.csircentral.net/3085/1/Quantum%20dots%20based%20platform.pdf
Reza, K. Kamil and Singh, Manish Kumar and Yadav, Surendra K. and Singh, Jay and Agrawal, Ved Varun and Malhotra, B. D. (2013) Quantum dots based platform for application to fish freshness biosensor. Sensors and Actuators B: Chemical, 177. pp. 627-633. ISSN 0925-4005
 
Relation http://npl.csircentral.net/3085/