CHROMATOGRAPHIC METHOD FOR ISOLATION OF ALFA-FETOPROTEIN Russian patent published in 1997 - IPC

Abstract RU 2094078 C1

FIELD: chromatographic technique in biochemistry. SUBSTANCE: fetal biologic material is treated by lanthanum chloride, dialyzed against phosphate buffer, chromatographed on blue sepharose, purified on alumina, whereupon partly purified preparation is subjected to two-step affinity chromatography procedure on antibody-containing immunosorbents: first on "positive" sorbent - sepharose with immobilized antibodies monospecific to alfa-fetoprotein and then on "negative" sorbent - sepharose with immobilized antibodies polyspecific to ballast proteins. High-purity alfa-fetoprotein satisfying human biological safety criteria is thus obtained. EFFECT: increased purity of isolated protein. 6 cl, 1 tbl

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RU 2 094 078 C1

Authors

Kulaev D.V.

Nasibov S.M.

Markin S.S.

Bobkov Ju.G.

Semenov M.P.

Dates

1997-10-27Published

1996-07-23Filed