Quaternized PEI silica solid supports for chromatography
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United States of America Patent
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Feb 11, 1992
Issued Date -
N/A
app pub date -
Jun 4, 1991
filing date -
Aug 7, 1989
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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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