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PubMed1977

Blood group determinations in forensic dentistry.

The identification of A, B, and H substances is a useful tool in forensic examinations. At the present time fresh blood or blood stains are used most extensively for blood group detection in forensic cases. Various body fluids from secretors also contain A, B, and H substances, and recent techniques have increased the reliability of the determination of blood group substances present. Soft and hard tissues also contain blood group substances, but at the present time these are not used routinely in forensic examinations. However, adaption of the more sensitive assays may increase the utilization of these tissues. Of particular value would be the development of simpler methods for blood group substances in teeth, since teeth are more resistant to putrefication than most other substances.

ABO Blood-Group System↗
PubMed1987

Glyoxalase I typing and phosphoglucomutase-1 subtyping of a single hair.

A technique is described for the typing of glyoxalase I (GLO I) and the subtyping of phosphoglucomutase-1 (PGM-1) from the root sheath cells of a single forcibly removed hair. This procedure does not require sample preparation and does not alter the morphological characteristics of the hair. The combined discrimination probability (DP) of the two markers taken together is 0.90 for whites and 0.89 for blacks. GLO I can be typed after four weeks, and PGM-1 can be typed after eight to fifteen weeks in hairs maintained at room temperature. Hairs mounted with Permount showed loss of enzyme activity and loss of band sharpness.

Forensic Medicine↗