Quaternized PEI silica solid supports for chromatography

Liquid purification or separation – With means to add treating material – Chromatography

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Details

2105021, 210635, 210656, 55386, 502158, 502164, 502402, 502407, B01D 1508

Patent

active

050873598

ABSTRACT:
Quaternized non-crosslinked polyethyleneimine silica based solid supports are useful strong anion exchangers for column chromatography separation and purification of proteins and have high binding capacity at high pH, the ability to bind basic proteins having high pH isoelectric points and are rapidly equilibrated and are essentially non-titratable.

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