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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 27, Number 7
BKCSDE 27(7)
July 20, 2006

Title	Electrochemical Determination of 6-Benzylaminopurine (6-BAP) Using a Single-wall Carbon Nanotube-dicetyl Phosphate Film Coated Glassy Carbon Electrode
Author	Chunya Li
Keywords	Single-walled carbon nanotube, Dicetyl phosphate, 6-Benzylaminopurine, Modified electrode, Electroanalysis
Abstract	Herein, insoluble single-walled carbon nanotube (SWNT) was successfully dispersed into water in the presence of a special kind of surfactant-dicetyl phosphate (DCP), subsequently, a SWNT-DCP composite film coated glassy carbon electrode (GCE) was fabricated. The electrochemical behaviors of 6-benzylaminopurine (6-BAP) at the unmodified GCE and SWNT-DCP modified GCE were examined. It is found that the SWNT-DCP modified GCE remarkably enhances the oxidation peak current of 6-BAP, indicating great potential in the determination of trace level of 6-BAP. Finally, a sensitive and simple voltammetric method with a good linear relationship in the range of 5.0 × 10^-8~2.5 × 10^-6 mol/L, was developed for the determination of 6-BAP. The detection limit is as low as 2.0 × 10^-8 mol/L for 3-min accumulation. This newly-proposed method was successfully demonstrated with practical samples.
Page	991 - 994
Full Text	PDF

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