Journal
ELECTROANALYSIS
Volume 22, Issue 16, Pages 1901-1905Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200900633
Keywords
Mesoporous carbons; Pt nanoparticles; Glucose; Nonenzymatic sensor; Nanoparticles; Sensors
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Funding
- Program for New Century Excellent Talents in University [NCET-06-0536]
- National Natural Science Foundation of China (NSFC) [50773071]
- Zhejiang Provincial Natural Science Foundation of China [R503223]
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A nonenzymatic amperometric sensor for sensitive and selective detection of glucose has been constructed by using highly dispersed Pt nanoparticles supported onto mesoporous carbons (MCs). The Pt nanoparticles/mesoporous carbons (Pt/MCs) composites modified electrode displayed high electrocatalytic activity towards the oxidation of glucose. At an applied potential of 0.1 V, the Pt/MCs electrode has a linear dependence (R = 0.996) in the glucose concentration up to 7.5 mM with a sensitivity of 8.52 mA M-1 cm(-2). The Pt/MCs electrode has also shown highly resistant toward poisoning by chloride ions and without interference from the oxidation of common interfering species.
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