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JSIR Vol.69(07) [July 2010] >


Title: Oxalate biosensor: a review
Authors: Pundir, C S
Sharma, Minakshi
Keywords: Biosensor (OB)
DO-metric
Electrochemical biosensor
Foodstuff
Oxalate
Oxalate oxidase
Issue Date: Jul-2010
Publisher: CSIR
Abstract: Oxalate biosensors (OBs) are based on either measurement of oxygen or electrons generated from splitting of H2O2 or heat released during oxidation of oxalate by immobilized oxalate oxidase. OBs are grouped in four classes based on probe used (DO meter, electrochemical, SIRE technology and thermochip). OBs work optimally at: time, 5 s to 15 min; pH, 2.8 - 8.0; temp., 30 - 38°C and linearity, 1.0 - 100 M oxalate. OBs are employed to determine oxalate in urine, serum, plasma, foodstuffs and can be reused 80-400 times over a period of 3 days to 4 months. This review presents OBs as well as their merits and demerits.
Page(s): 489-494
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.69(07) [July 2010]

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