Abstract

The total amount of humoral sperm antibody protein is determined following its isolation by affinity-chromatography on spermatozoa. Serum proteins are eluted by Sorensen phosphate buffer. Antibodies attached to spermatozoa suspended in Sephadex G 75 columns resist elution by Sorensen buffer. They can be quantitatively washed out by 8 ml Tris HCl-buffer pH 8,9 and be determined as proteins by the Folin-Ciocalteu method.

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