A Methodology Based on NMR Spectroscopy for the Forensic Analysis of Condoms

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dc.contributor.author Brinch, K. M en_US
dc.contributor.author Lee, G. S en_US
dc.contributor.author Dawson, M. en_US
dc.contributor.author Kannangara, G. K en_US
dc.contributor.author Wilson, M. A en_US
dc.date.accessioned 2009-12-21T02:28:41Z
dc.date.available 2009-12-21T02:28:41Z
dc.date.issued 2007 en_US
dc.identifier 2004004434 en_US
dc.identifier.citation Lee, G. et al. 2007 'A Methodology Based on NMR Spectroscopy for the Forensic Analysis of Condoms', Journal of Forensic Sciences, vol. 46, no. 4, pp. 29-38. en_US
dc.identifier.issn 0022-1198 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/3511
dc.description.abstract Both solution and solid state Nuclear Magnetic Resonance (NMR) spectroscopic techniques have been used 10 determine differences in commercially available condoms. Whilst solid state NMRis useful for determining the polymer backbone. it is not useful for forensic analysis due to the commonality of the latex condom. However solution NMR spectra obtained following a simple extraction procedure using hexane. provides a fingerprint of the additives in the lubricants. Following the development of a flow chart. basing decisions on the presence of particular peaks present in the solution spectra, 33 of 38 condoms could be individualized. Samples were also analyzed after having the lubricant manually removed and soaking the condom in water for 3 to 24 h. These experiments were performed to simulate a case of the sample having been used and disposed of by flushing down the toilet. as may be experienced in a case of a sexual assault. The results indicated that the only significant water soluble component was polyethylene glycol. The overall results suggest that the method developed may be a quick and useful technique in characterizing condoms. The information obtained can be used 10 provide associative evidence between suspect and crime. and so be useful in sexual assault cases. en_US
dc.publisher Australian Council for Educational Research en_US
dc.relation.isbasedon en_US
dc.title A Methodology Based on NMR Spectroscopy for the Forensic Analysis of Condoms en_US
dc.parent Journal of Forensic Sciences en_US
dc.journal.volume 46 en_US
dc.journal.number 4 en_US
dc.publocation Melbourne, Australia en_US
dc.identifier.startpage 29 en_US
dc.identifier.endpage 38 en_US
dc.cauo.name Changing Practices en_US


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