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Nanomolar Detection of Glutamate at a Biosensor Based on Screen-Printed Electrodes Modified with Carbon Nanotubes

IR@NEIST: CSIR-North East Institute of Science and Technology, Jorhat

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Title Nanomolar Detection of Glutamate at a Biosensor Based on Screen-Printed Electrodes Modified with Carbon Nanotubes
 
Creator KHAN , RAJU
GORSKI , WALDEMAR
GARCIA , CARLOS D
 
Subject Analytical Chemistry
 
Description The flow injection analysis (FIA) of monosodiuml-glutamate (MSG) was performed electrochemically using a biosensor based on screen-printed electrodes containing carbon nanotubes (CNT). The sensor was fabricated by simply adsorbing glutamate oxidase (GlutOx) on the electrode surface. The resulting device displayed excellent electroanalytical properties toward the determination ofl-glutamate in a wide linear range (0.01–10mM) with low detection limit (10 nM, S/N !3), fast response time ( 5 s), and good operational and long-term stability. The CNT-modified screen-printed electrodes have a potential to be of general interest for easy preparation of electrochemical sensors and biosensors relevant for biomedical applications.
 
Date 2011
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neist.csircentral.net/153/1/2989.pdf
KHAN , RAJU and GORSKI , WALDEMAR and GARCIA , CARLOS D (2011) Nanomolar Detection of Glutamate at a Biosensor Based on Screen-Printed Electrodes Modified with Carbon Nanotubes. Electroanalysis, 23 (10). pp. 2357-2363.
 
Relation http://neist.csircentral.net/153/