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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 2
BKCSDE 30(2)
February 20, 2009

Title	Direct Determination of Uric Acid in Human Serum Samples Using Polypyrrole Nanoelectrode Ensembles
Author	Guangming Yang, Lin Tan, Ya Shi, Suiping Wang, Xuxiao Lu, Huiping Bai, Yunhui Yang*
Keywords	Uric acid, Sensor, Polypyrrole nanotubes, Polycarbonate membrane, Diffusion
Abstract	Polypyrrole (PPy) nanotubes have been synthesized by chemical oxidative polymerization of pyrrole within the pores of polycarbonate membrane using the technology of diffusion of solutes. The nanotubes array prepared by the proposed method can be considered as nanoelectrode ensembles (NEEs). An amperometric uric acid sensor based on PPy NEEs has been developed and used for determination of uric acid in human serum samples. The electrode can direct response to uric acid at potential of 0.60V vs. SCE with wide linear range of 1.52×10^-6 to 1.54×10^-3 M. The detection limit is 3.02×10^-7 M. This sensor has been used to determine uric acid in real serum samples. PPy NEEs is thought of as a good application in the foreground.
Page	454 - 458
Full Text	PDF

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