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A SIMPLE METHOD OF PREPARATION OF HIGHLY POTENT EXTRACTS OF CHORIONIC GONADOTROPHIN
Author(s) -
Landgrebe F. W.,
Hobson B. M.,
Mitchell G. M.
Publication year - 1954
Publication title -
quarterly journal of experimental physiology and cognate medical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 101
eISSN - 1469-445X
pISSN - 0033-5541
DOI - 10.1113/expphysiol.1954.sp001084
Subject(s) - potency , simple (philosophy) , yield (engineering) , chemistry , product (mathematics) , chromatography , biology , mathematics , biochemistry , in vitro , materials science , philosophy , geometry , epistemology , metallurgy
1. A simple and rapid method of preparation of highly potent extracts of C.G. is described. 2. The method consistently produces a product containing about 4000 I.U./mg. with a yield of about 30 per cent. 3. The potency of such a product is found to be about the same whether it is tested on amphibia or mammals.
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