alexa Stacking As Sample On-Line Pre-concentration Technique in Microemulsion Electrokinetic Chromatography

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Stacking As Sample On-Line Pre-concentration Technique in Microemulsion Electrokinetic Chromatography

Compared with micelles in micellar electrokinetic chromatography (MEKC), MEEKC provides better selectivity. This could be due to easier penetration of solute molecules into the surface of the ME droplet along with improved mass transfer between the ME droplet and the aqueous phase, compared with the more rigid micelles in MEKC. Also, ME have more adjustable parameters such as type and concentration of oil and co-surfactant and larger solubilization capacity for highly hydrophobic analytes. Therefore MEEKC would provide better selectivity, higher separation efficiency, and could be more suitable to separate watersoluble and fat-soluble compounds simultaneously [1,2].

 

Citation: Maher HM (2015) Stacking As Sample On-Line Pre-concentration Technique in Microemulsion Electrokinetic Chromatography. J Chromatogr Sep Tech 6:e130. doi: 10.4172/2157-7064.1000e130

 
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