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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Using of divergent flow isoelectric focusing and capillary liquid
 Duša, Filip ; Moravcová, Dana ; Kahle, Vladislav ; Šlais, Karel
Separation of analytes from complex matrices play important role in their further identification. In this article we propose two-dimensional separation method of bovine serum albumin tryptic peptides. At the first dimension peptides are separated by divergent flow isoelectric focusing followed by reverse-phase liquid chromatography as the second dimension. Due to composition of input mixture it is possible to use autofocusing mode in first dimension. In this mode peptides are focused without addition of carrier ampholytes. Chromatograms from the second dimension were processed into contour map. Acquired data showed good separation efficiency of isoelectric focusing. Autofocusing mode enabled better resolution of peptides with close isoelectric points.
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