Patent ID: 7799195
Filing Date: 2010-09-21
Classification: B01J,G01N

Abstract:
1. A separation column for electrophoretic separation of molecules, realized as a channel in a body; said body made of an electrically insulating material selected from the group consisting of fused silica, glass, poly(methyl methacrylate), polycarbonate, poly(tetrafluoroethylene), and cyclic polyolefins; said separation column having a polysaccharide coating permanently attached to the interior surface of said separation column; said polysaccharide coating comprising at least one permanent layer made of one or more polysaccharides selected from the group of polysaccharides consisting of: locust bean gum, tara gum, guar gum, hydroxyisopropyl guaran, fenugreek gum, konjac, pullulan, pustulan, curdlan, laminaran, tragacanth gum, amylose, schyzophyllan, nigeran, and scleroglucan; said polysaccharide coating produced by thermal immobilization of one or more said polysaccharides at temperature between about 100° C. and about 160° C. for about 5 to about 30 minutes.