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Microanalysis of β-cyclodextrin and glucosyl-β-cyclodextrin in human plasma by high-performance liquid chromatography with pulsed amperometric detection

✍ Scribed by Yoko Kubota; Masako Fukuda; Keiko Ohtsuji; Kyoko Koizumi

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
399 KB
Volume
201
Category
Article
ISSN
0003-2697

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✦ Synopsis

High-performance liquid chromatography with pulsed amperometric detection was applied to the determination of beta-cyclodextrin (beta-CD) and glucosyl (G)-beta-CD in human plasma. They were well resolved from each other and from background components of plasma on a polymer-based reversed-phase column with 0.6% acetonitrile aqueous solution containing 1 mM sodium hydroxide as an eluent. The samples in the effluent were detected with a pulsed amperometric detector after postcolumn alkalization. The detection limits of beta-CD and G-beta-CD in plasma at a signal-to-noise ratio of 3 were 11 and 5 pmol, respectively.

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