Improvement of the sensitivity of 2D LC-MEKC separation of phenolic acids and flavonoids natural antioxidants using the on-line preconcentration step

Electrophoresis

Volumn 33, Issue 15, 2012, Pages 2464-2473

  Česla, Petr ^a   Fischer, Jan ^a   Jandera, Pavel ^a  

^a UNIVERSITY OF PARDUBICE   (Czech Republic)

Author keywords

2D LC MEKC; Flavonoids; On line preconcentration; Phenolic compounds; Sweeping with enhanced electric field

Indexed keywords

ANTIOXIDANTS; ELECTRIC LINES; ELECTROLYTES; ELECTROOSMOSIS; FLAVONOIDS; MICELLES; ORGANIC ACIDS; PHASE EQUILIBRIA; PLANT EXTRACTS; ULTRAVIOLET VISIBLE SPECTROSCOPY;

2D LC-MEKC; ELECTRO=OSMOTIC FLOWS; FLAVONOID; IN-CAPILLARY PRECONCENTRATION; MIGRATION TIME; NATURAL ANTIOXIDANTS; ON-LINE PRECONCENTRATION; PHENOLIC ACIDS; PHENOLIC COMPOUNDS; SWEEPING WITH ENHANCED ELECTRIC FIELD;

ELECTRIC FIELDS;

4 HYDROXYBENZOIC ACID; 4 HYDROXYPHENYLACETIC ACID; 7 HYDROXYFLAVONE; ACETONITRILE; ANTIOXIDANT; APIGENIN; AURANTIIN; BIOCHANIN A; CAFFEIC ACID; CATECHIN; CHLOROGENIC ACID; EPICATECHIN; FERULIC ACID; FLAVONE; FLAVONOID; GALLIC ACID; HESPERETIN; HESPERIDIN; MORIN; MYRICETIN; NARINGENIN; PARA COUMARIC ACID; PHENOL DERIVATIVE; PROTOCATECHUIC ACID; QUERCETIN; RUTOSIDE; SALICYLIC ACID; SYRINGIC ACID; UNINDEXED DRUG; VANILLIC ACID;

ARTICLE; CONCENTRATION (PARAMETERS); ELECTROOSMOSIS; ELUTION; LIQUID CHROMATOGRAPHY; MICELLAR ELECTROKINETIC CHROMATOGRAPHY; MICELLE; ONLINE SYSTEM; SENSITIVITY ANALYSIS; SEPARATION TECHNIQUE; TWO DIMENSIONAL LIQUID CHROMATOGRAPHY;

EID: 84864921260     PISSN: 01730835     EISSN: 15222683     Source Type: Journal    
DOI: 10.1002/elps.201100594     Document Type: Article

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