Modern Injection Modes (Stacking) for
            <scp>CE</scp>

Quirino, Joselito P.

doi:10.1002/9783527678129.assep035

Analytical Separation Science 2015

DOI: 10.1002/9783527678129.assep035

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Modern Injection Modes (Stacking) for CE

Joselito P. Quirino

Abstract: The development of assays for real samples using capillary electrophoresis ( CE ) normally involves some form of sample treatment to remove interfering compounds and/or to enrich the target analytes. Sample concentration is performed to overcome the poor detection sensitivity in CE using photometric or on‐capillary detection schemes. This chapter will cover some of the recent (from 2010) or modern approaches for online sample concentration or stacking in … Show more

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2017

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Development of a novel dual CD‐MEKC system for the systematic flavonoid fingerprinting of Ligaria cuneifolia (R. et P.) Tiegh.—Loranthaceae—extracts

et al. 2017

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The present work deals with the development and validation of a novel dual CD-MEKC system for the systematic flavonoid fingerprinting of Ligaria cuneifolia (R. et P.) Tiegh.-Loranthaceae-extracts. The BGE consisted of 20 mM pH 8.3 borate buffer, 50 mM SDS, a dual CD system based on the combination of 5 mM β-CD and 2% w/v S-β-CD, and 10% v/v methanol. The proposed method has been successfully applied to the comparative analysis of extracts from aerial parts and different hosts, geographical areas, and extraction procedures in order to establish the flavonoid fingerprint of L. cuneifolia. The method was validated according to international guidelines. LOD and LOQ, intra and interday precision, and linearity were determined for catechin, epicatechin, procyanidin B2, rutin, quercetin-3-O-glucoside, quercetin-3-O-xyloside, quercetin-3-O-rhamnoside, quercetin-3-O-arabinofuranoside, quercetin-3-O-arabinopyranoside, and quercetin. The CD-MEKC methodology emerges as a suitable alternative to the traditional HPLC for quality control, fingerprinting, and standardization of L. cuneifolia extracts from different sources.

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Development of a novel dual CD‐MEKC system for the systematic flavonoid fingerprinting of Ligaria cuneifolia (R. et P.) Tiegh.—Loranthaceae—extracts

et al. 2017

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Modern Injection Modes (Stacking) for CE

Cited by 1 publication

References 162 publications

Development of a novel dual CD‐MEKC system for the systematic flavonoid fingerprinting of Ligaria cuneifolia (R. et P.) Tiegh.—Loranthaceae—extracts

Development of a novel dual CD‐MEKC system for the systematic flavonoid fingerprinting of Ligaria cuneifolia (R. et P.) Tiegh.—Loranthaceae—extracts

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