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Comparative study of the sensitivity and specificity of the zinc and acid phosphatase spot tests for the detection of seminal stains

1990; Springer Science+Business Media; Volume: 103; Issue: 8 Linguagem: Inglês

10.1007/bf01261422

0044-3433

P. Hooft, Herman Van de Voorde,

Forensic Anthropology and Bioarchaeology Studies

The sensitivity and specificity of a zinc spot test for the detection of semen were compared with those of an acid phosphatase detection method. As screening techniques both tests were found to be very sensitive, but the zinc test was more specific and was more reliable in older and especially in deteriorated specimens. It is concluded that the zinc spot test deserves at least the same place as the acid phosphatase test in the primary investigation of suspected semen stains and might well be the test of choice in older and poorly preserved stains.