One of the major disadvantages of cloud point preconcentration prior to HPLC analysis Is
the high absorbance background due to the surfactant that, In many cases, despite the …

In an effort to reduce the total amount of organic solvent required for the elution of fat-soluble
vitamins (FSVs) in reversed-phase liquid chromatography separation, a systematic …

In this study, fused-silica capillaries are modified using a polyelectrolyte multilayer (PEM)
coating procedure in open-tubular capillary electrochromatography. The PEM coating was …

Pressurized planar electrochromatography (PPEC) with commercially available chiral plates
has been used for separation of the enantiomers of tryptophan and valine. The effects on …

A novel method based on the adsorption of positively charged compounds on the wall of a
fused‐silica capillary was applied to prepare stationary phases for open tubular capillary …

Hydrophilic column combined with mobile phase containing high content of water is a green
method for the separation of polar compounds, but there are few related studies, and the …

Factors controlling the separation of seven water-soluble vitamins on reversedphase
columnswere systematically evaluated. Factors studied include both mobile phase …

A 2 D method was developed for separation of phenolic acids and flavonoids natural
antioxidants combining LC with MEKC. The in‐capillary preconcentration step was applied …

Thin-Layer Chromatography is a technique widely used for qualitative analysis of organic
compounds, isolation of the individual compounds from multicomponent mixtures …

Separation and determination of water-and fat-soluble vitamins by micellar (MEKC) and
microemulsion electrokinetic chromatography (MEEKC) are compared. MEKC is only useful …