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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Comparison of smears of wax based products using thin layer chromatography (TLC) and microspectrophotometric (MSP) detection

NicDaeid, N. and Dzukiflee, I. and , Fakulti Sains Kesihatan, Jabatan Sains Forensik, Universiti Sain (2011) Comparison of smears of wax based products using thin layer chromatography (TLC) and microspectrophotometric (MSP) detection. Journal of Forensic Identification. ISSN 0895-173X

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Abstract

This work introduces a rapid and effective technique for the discrimination of smears of coloured wax based products (such as lipstick and shoe polish) on fabrics. Forty two samples of commonly available wax based products were analysed. The analytical techniques used were a combination of thin layer chromatography (TLC) and direct microspectrophotometry (MSP) of the subsequent TLC plate. The resultant data was analysed using Self Organising Feature Mapping, an Artificial Neural Network system. The combination of both TLC and MSP facilitated the discrimination of all samples and the SOFM system provided an easy to understand visual representation of the sample discrimination by type.