Comparison of p30 and acid phosphatase levels in post-coital vaginal swabs from donor and casework studies |
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| Authors: | FM Poyntz PD Martin |
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| Institution: | Metropolitan Police Forensic Science Laboratory, 109 Lambeth Road, London, SE1 7LP U.K. |
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| Abstract: | The application of p30 detection to casework analysis of seminal traces on vaginal swabs is reported and compared with the levels of acid phosphatase determined.A simple crossed-over immunoelectrophoresis system was used for batch identification of swab extracts using a commercially obtained anti-p30 serum.Positive p30 results were obtained in less than 20% of the casework swab extracts, but they provide conclusive proof of the presence of semen which is a substantial advantage over the quantitative determination of acid phosphatase. |
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| Keywords: | p 30 Acid phosphatase Human semen Vaginal secretions |
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