Analytical Biochemistry 2011-12-01

Fluorescent high-performance liquid chromatography assay for lipophilic alcohols.

Thomas J Nelson

Index: Anal. Biochem. 419(1) , 40-5, (2011)

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Abstract

A new ultrasensitive fluorescent derivatization procedure for chromatographic analysis of primary, secondary, and nonpolar tertiary alcohols is described. The procedure uses Bodipy FL in basic dichloromethane solution with Mukaiyama's reagent (2-chloro-1-methylpyridinium iodide) to form highly fluorescent ester derivatives that can be separated by silica normal-phase high-performance liquid chromatography (HPLC). Rhodamine WT and Oregon green 488 were also useful derivatization reagents. The detection limit for detection of cholesterol and bryostatin by Bodipy FL was less than 1fmol. The reaction conditions are gentle enough that low concentrations of unstable alcohols such as bryostatin 1 can be measured.Copyright © 2011 Elsevier Inc. All rights reserved.

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