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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 7
BKCSDE 31(7)
July 20, 2010 
 
Title
 Selective Monitoring of Rutin and Quercetin based on a Novel Multi-wall Carbon Nanotube-coated Glassy Carbon Electrode Modified with Microbial Carbohydrates α-Cyclosophorohexadecaose and Succinoglycan Monomer M3
Author
 Joon Hyung Jin, Eunae Cho, Chanho Kwon, Seunho Jung*
Keywords
 α-Cyclosophorohexadecaose, Quercetin, Rutin, Square wave voltammetry, Succinoglycan monomer
Abstract
 Multi-wall carbon nanotube (MWNT)-modified glassy carbon electrodes (GCE) were prepared for simultaneous determination of rutin and quercetin. Microbial carbohydrates, α-cyclosophorohexadecaose (α-C16) and succinoglycan monomer M3 (M3) were doped into MWNTs to prepare a α-C16-doped MWNT-modified GCE ((α-C16 + MWNTs)/ GCE) and a M3-doped MWNT-modified GCE ((M3 + MWNTs)/GCE), respectively. The sensitivities of the (α-C16 + MWNTs)/GCE to rutin and quercetin were 34.7 μA·μM-1·cm-2 and 18.3 μA·μM-1·cm-2, respectively, in a linear range of 2 ~ 8 μM at pH 7.2. The sensitivities of the (M3 + MWNTs)/GCE was 2.44 μA·μM-1·cm-2 for rutin and 7.19 μA·μM-1·cm-2 for quercetin without interference.
Page
 1897 - 1901
Full Text
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