An exploratory study on the characterization of A1 and A2 bloodstains using a fluorescence immunoassay

Liu, J.H.; Klink, F.E.; Nicol, J.D.

Journal of Forensic Sciences 25(3): 686-690

1980


ISSN/ISBN: 0022-1198
PMID: 7400773
Document Number: 156620
A fluorescence immunoassay method is used in the differentiation of A1 and A2 bloodstains. Anti-A antiserum is first absorbed onto the stain. The IgM content in the eluate is then quantified by commerical Immuno-Fluor kits. The binding difference of A1 and A2 cells is retained in stains. This difference and the quantitative evaluation method provide a potential basis for blood typing or subtyping application.

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