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A fast and accurate method for the pharmacokinetic research of four coumarin analogs in Fructus cnidii using capillary electro-chromatography with a methacrylate ester-based monolithic column.

Electrophoresis (2017-07-18)
Zhao Chen, Aili Xu, Xiaoli Bi, Wenhui Luo, Ji Li, Guorong Fan, Dongmei Sun
ABSTRACT

In the present study, a monolithic capillary column with higher permeability was developed for the in vivo discrimination of four coumarin analogs (bergapten, 2'-acetylangelicin, imperatorin, and osthole) that typically require long separation times in HPLC. Instead of conventional methacrylate ester monolith (containing 19.5% porogen) with insufficient permeability (K = 1.52 - 1.66 × 10

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Ethylene glycol dimethacrylate, 98%, contains 90-110 ppm monomethyl ether hydroquinone as inhibitor
Sigma-Aldrich
Dibutyl ether, ReagentPlus®, ≥99%

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