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A double-sandwich ELISA test for Glm(3) phenotyping of bloodstains with a mouse monoclonal antibody

โœ Scribed by Ch. Francois-Gerard; B. Hoste


Book ID
104119576
Publisher
Elsevier
Year
1987
Tongue
English
Weight
973 KB
Volume
27
Category
Article
ISSN
0015-7368

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โœฆ Synopsis


ELISA procedures have been developed for the Gm(3) allotypic marker of human IgGl immunoglobulins, using a mouse monoclonal anti-Gm(3) antibody. The test has a high sensitivity since the monoclonal reagent, even diluted 11 32,000, still detects the Gm(3) antigen in serum samples diluted 1/128,000 to 1/2,000,000. On account of its sensitivity and its objective reading, the test is well adapted for bloodstain typing. The addition of a parallel test for IgG makes it possible to distinguish negative results due to Gm(-3) phenotypes from those due to a lack of IgG material. Gm(3) and IgG were detected in bloodstains more than 5 years old.


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