Method and material for increasing the percentage of mammalian o

Details Method and material for increasing the percentage of mammalian o Method and material for increasing the percentage of mammalian o

1977-10-11

1980-03-04

Rosen, Sam

Drug, bio-affecting and body treating compositions

Fermentate of unknown chemical structure

Having a known elemental analysis

435 2, 424 85, 424 88, A61K 3552, C12K 900, A61K 3900

Patent

active

041917499

ABSTRACT:
Method, apparatus and material are disclosed for increasing the percentage of mammalian offspring of either sex. The method utilizes a male-specific antibody coupled to a solid-phase immunoabsorbent material to effect a separation of sex-determining spermatazoa derived from a semen suspension. The male-specific antibody selectively binds male-determining spermatazoa. The female-determining spermatazoa are not bound and are recovered directly from the male-specific antibody-coated immunoabsorbent material. The male-determining spermatazoa are recovered from the male-specific antibody-coated immunoabsorbent material after altering the condition thereof to inhibit binding. The apparatus includes a vertical surface comprising beads of immunoabsorbent material over which are distributed male-specific antibodies. The materials are two seminal fluids, one having a substantial preponderance of male-determining spermatazoa, and the other having a substantial preponderance of female-determining spermatazoa.

REFERENCES:
patent: 3687806 (1972-08-01), Bovenkamp
patent: 3692897 (1972-09-01), Bhattacharya
patent: 4021364 (1977-05-01), Speiser et al.
patent: 4092116 (1978-05-01), Giaever

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