Abstract

1. The synthesis is proposed of an affinity sorbent for the purification of L-asparaginase using silicate materials as supports and the inhibitor D-asparagine as ligand. 2. By the method of affinity chromatography on a column and in bulk, from a crude preparation of L-asparaginase with a specific activity of 40 IU/mg a highly purified enzyme has been obtained with a specific activity of 200–230 IU/mg with a yield of about 90% in one stage.

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