Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Separation or purification
Patent
1998-06-12
2000-09-19
Saunders, David
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Separation or purification
435269, 435272, 530344, 530412, 530414, 530417, C07K 122, C07K 134
Patent
active
061214280
ABSTRACT:
The invention herein provides a method for recovering a polypeptide comprising exposing a composition comprising a polypeptide to a reagent which binds to, or modifies, the polypeptide, wherein the reagent is immobilized on a solid phase; and then passing the composition through a filter bearing a charge which is opposite to the charge of the reagent in the composition, so as to remove leached reagent from the composition.
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Blank Gregory S.
Narindray Daljit S.
Zapata Gerardo A.
Genentech Inc.
Saunders David
Tan Lee K.
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