Investigations into the initial composition of latent fingermark lipids by gas chromatography–mass spectrometry

Frick, Amanda, Chidlow, G., Lewis, S.W. and van Bronswijk, W. (2015) Investigations into the initial composition of latent fingermark lipids by gas chromatography–mass spectrometry. Forensic Science International, 254. pp. 133-147. ISSN 0379-0738

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Official URL: https://doi.org/10.1016/j.forsciint.2015.06.032

Abstract

A more comprehensive understanding of the variability of latent fingermark composition is essential to improving current fingermark detection capabilities in an informed manner. Gas chromatography-mass spectrometry was used to examine the composition of the lipid fraction of latent fingermarks collected from a population of over 100 donors. Variations in the appearances of chromatograms from different donors were apparent in the relative peak sizes of compounds including free fatty acids, squalene, cholesterol and wax esters. Principal component analysis was used as an exploratory tool to explore patterns in this variation, but no correlation to donor traits could be discerned. This study also highlights the practical and inherent difficulties in collecting reproducible samples.

Item Type: Article
Uncontrolled Keywords: Latent fingermarks, Lipids, Composition, Gas chromatography–mass spectrometry
Subjects: B800 Medical Technology
C400 Genetics
C900 Others in Biological Sciences
Department: Faculties > Health and Life Sciences > Applied Sciences
Depositing User: John Coen
Date Deposited: 29 May 2020 13:12
Last Modified: 29 May 2020 13:15
URI: http://nrl.northumbria.ac.uk/id/eprint/43273

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