A protocol for the forensic analysis of condom and personal lubricants found in sexual assault cases. |
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| Authors: | P Maynard K Allwell C Roux M Dawson D Royds |
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| Affiliation: | Department of Chemistry, Materials and Forensic Science, University of Technology, Sydney, P.O. Box 123, Broadway NSW 2007, Sydney, Australia. philip.maynard@uts.edu.au |
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| Abstract: | In sexual assault cases, lubricant trace evidence may supplement biological evidence, or may be the primary physical evidence where biological evidence is unavailable. This study considered a total of 50 lubricants from condoms and personal lubricant products available in Australia. Differentiation of the samples was attempted using fluorescence examination, Fourier transform infrared spectroscopy (DRIFTS), gas chromatography-mass spectrometry, liquid chromatography-tandem mass spectrometry, and pyrolysis gas chromatography-mass spectrometry. Eleven of the samples were uniquely identified by the analysis scheme, while the remainder of the samples were separated into nine groups. As a result of this study, a recommended protocol for the detection and analysis of an "unknown" biological swab was produced. |
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