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Erythrocyte diaphorases DIA1 and DIA2 in bloodstains

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Summary

The ability to determine the phenotypes of erythrocyte NADH diaphorase (DIA1) was demonstrated in bloodstains, the utility of the system extending about two weeks. Electrophoretic variants representing three uncommon phenotypes (DIA1 2-1, DIA1 4-1 and DIA1 7-1) were found in five of 785 individuals tested. The NADPH diaphorase DIA2 isozymes could not be resolved sufficiently for practical use.

Zusammenfassung

Die Möglichkeit des Nachweises der Erythrozyten-NADH-Diaphorase (DIA1) in Blutspuren bis zu ungefähr 2 Wochen Liegezeit wurde gezeigt. Elektrophoretische Varianten einschließlich der drei seltenen Phänotypen DIA1 2-1, DIA1 4-1 und DIA1 7-1 wurden in fünf von 785 getesteten Individuen gefunden. Dagegen konnte die NADPH-Diaphorase DIA2 für den praktischen Gebrauch nicht ausreichend aufgetrennt werden.

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Authors and Affiliations

  1. Philadelphia Police Laboratory, Franklin Square, 19106, Philadelphia, PA, USA

    R. Dowd & C. S. Tumosa

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  1. R. Dowd
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  2. C. S. Tumosa
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Dowd, R., Tumosa, C.S. Erythrocyte diaphorases DIA1 and DIA2 in bloodstains. Z Rechtsmed 91, 123–127 (1983). https://doi.org/10.1007/BF02098777

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  • DOI: https://doi.org/10.1007/BF02098777

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