نتایج جستجو برای: micellar electrokinetic chromatography

تعداد نتایج: 112246  

2015
Wei Wang

The paper applies MEKC technique to simultaneously carry out quantitative analysis on dairy product’s melamine (Mel) and 5-hydroxymethyl furfural (HMF) bi-component. The quantization analytic experiment starts with a systematic research on operating voltage, electrophoretic buffer solution gravity and optimum pH value, which further influences additives’ concentration as well as other factors, ...

Journal: :Acta poloniae pharmaceutica 2005
Dilipkumar Pal Mrinmay Nandi

The dried extracts of aerial parts of Celesia coromandeliane Vahl. (Scrophulariaceae) were evaluated for CNS activities in mice. The methanol extract of aerial part of Celesia coromandeliane (MECC) was found to cause significant depression in general as well as exploratory behavioral profiles in mice. MECC showed reduction in muscle relaxant activity by 30 degrees inclined screen test, as well ...

2018
Walid Saliba Hedy S Rennert Naomi Gronich Stephen B Gruber Gad Rennert

BACKGROUND An association between atrial fibrillation (AF) and risk of cancer has been suggested in several studies, including prospective cohort studies. However, the magnitude and the temporal nature of this association remain unclear. METHODS Data from two large prospective population-based case-control studies, the Molecular Epidemiology of Colorectal Cancer (MECC, n = 8,383) and the Brea...

Journal: :Electrophoresis 2010
Miguel Herrero Carolina Simó Virginia García-Cañas Salvatore Fanali Alejandro Cifuentes

This review article addresses the different chiral capillary electrophoretic methods used to study and characterize foods and beverages through the enantiomeric separation of different food compounds such as amino acids, pesticides, polyphenols, etc. This work intends to provide an updated overview on the main applications of such enantioselective procedures together with their main advantages ...

2002
T. Javor W. Buchberger

This work presents the investigation of various capillary electrophoretic techniques for the Separation of low-molecular-weight phenolic and neutral lignin degradation products. A successful CE mode was micellar electrlokinetic chromatography (MEKC) with carrier electrolytes containing micelleformi:ng reagents, such as sodium dodecylsulfate. Important phenolic and neutr;al lignin degradation co...

Journal: :Journal of chromatography. A 2006
Hsiu-Ping Jen Yuan-Chien Tsai Hsiu-Li Su You-Zung Hsieh

We have investigated a rapid, simple, and highly efficient on-line preconcentration method using in micellar electrokinetic chromatography (MEKC) for the analysis of abused drugs. Ketamine is an anesthetic that has been abused as a hallucinogen. We applied the sample sweeping technique first to ketamine and its major metabolite, norketamine, and separated the analytes with MEKC. Several of the ...

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