Fundamental Studies into the Chemical and Physical Properties of Latent Fingermarks
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This thesis describes physical and chemical investigations performed on latent fingermarks deposited on non-porous surfaces in order to provide the necessary fundamental underpinnings for future fingermark research. Variation of the physical properties over time was investigated using a novel imaging mode of atomic force microscopy. Spatial distribution of fingermark components was investigated using high-resolution vibrational microspectroscopy techniques. Time-course transformation of squalene in fingermarks stored under different storage conditions was examined using liquid chromatography-high-resolution mass spectrometry.
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Zadnik, S.; Van Bronswijk, Wilhelm; Frick, Amanda; Fritz, Patrick; Lewis, Simon (2013)Commercially available fingermark simulants werecompared to latent fingermark deposits to assess their efficacy asstandards for a quality control assessment of fingermark developmentreagents. Deposits of the simulants and ...
Frick, Amanda Akiko (2015)The lipid fraction of latent fingermark residue encompasses a number of compounds crucial to fingermark detection on wetted porous substrates. This thesis describes investigations into the detection and chemical analysis ...
Fritz, Patrick (2015)The aim of this research was to carry out investigations into the amino acid chemistry of latent fingermarks. Amino acids are the primary targets of chemical visualisation methods for fingermarks deposited on porous ...