Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Separation or purification
Patent
1988-09-01
1991-07-09
Draper, Garnette D.
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Separation or purification
530412, 530415, 530418, 530422, 530402, 530403, 530405, 530406, 530427, 530827, 530830, 530380, 424 89, C07K 328, C07K 318
Patent
active
050307207
ABSTRACT:
Hepatitis B PreS2+S antigen is isolated from plasma by adsorption on an affinity chromatography column, elution with a chaotropic agent and treatment with concentrated urea at an elevated temperature. The process retains all or substantially all of the preS2+S antigen.
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Bertland, II Alexander U.
Miller William J.
Draper Garnette D.
Merck & Co. , Inc.
Perrella Donald J.
Pfeiffer Hesna J.
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