Investigations into sampling approaches for chemical analysis of latent fingermark residue

Dorakumbura, Buddhika N.; Busetti, Francesco; Lewis, Simon W.

doi:10.1016/j.forc.2019.100166

Cited by 11 publications

(2 citation statements)

References 31 publications

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“…The relative composition can vary depending on variables such as amount of contact between fingertips and other parts of the body and thus the level of sebum-contamination picked up. As such inter-and intra-donor variation has been demonstrated in many studies (Archer, Charles, Elliott, & Jickells, 2005;Bailey et al, 2012;Croxton et al, 2010;Dorakumbura, Busetti, & Lewis, 2019;Emmerson, Gidden, Lay, & Durham, 2011;Ferguson, Creasey, Wolstenholme, Clench, & Francese, 2013;Frick & Weyermann, 2019;O'Neill, Hinners, & Lee, 2020;Weyermann, Roux, & Champod, 2011). The substrate has been shown to affect the amount of material deposited (Weyermann et al, 2011).…”

Section: Sebaceous Sweatmentioning

confidence: 88%

The forensic exploitation of fingermark chemistry: A review

Bleay

Bailey

Croxton

et al. 2020

WIREs Forensic Science

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The substances deposited from the fingertip onto a surface during contact between them represent a highly complex range of chemicals that can be exploited in a variety of ways in a forensic investigation. An overview is given of the multitude of chemicals that have been detected in fingermarks, including those occurring in endogenous sweat, metabolites of ingested substances, and exogenous substances picked up on the fingertip. Changes in chemistry that may occur between deposition of the fingermark and its subsequent forensic analysis are discussed, with particular reference to the ways in which these changes have been considered as a means of dating fingermarks. The ways in which fingermark enhancement reagents utilize the different chemicals present to reveal ridge is reviewed, together with how different classes of chemical can be sequentially targeted to optimize the number of fingermarks recovered.A field of increasing interest is the use of advanced analytical techniques incorporating mass spectrometry and imaging capability to simultaneously obtain additional contextual information about the donor of the mark while visualizing the fingermark ridge pattern. Examples are given of how such information can be applied in forensic investigations. It is concluded that an extensive "tool kit" of fingermark enhancement processes is already available to utilize the different chemicals present, and the advances that can be made in this field using conventional approaches are limited. There is, instead, significant potential to utilize analytical techniques to forensically exploit the chemical information within fingermarks but there are also significant barriers to their implementation in this way.

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Section: Sebaceous Sweatmentioning

confidence: 88%

The forensic exploitation of fingermark chemistry: A review

Bleay

Bailey

Croxton

et al. 2020

WIREs Forensic Science

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“…S16 and Table S7†), including a small signal at m / z 443.3890 [C 30 H 50 O 2 + H] + which corresponded with intact, protonated SQ + 2O. Neutral loss of H 2 O from SQ + 2O 65,66 along with the likelihood of free radical-initiated autoxidation may suggest the existence of a SQ hydroperoxide (SQ-OOH) in the sample extracts, although other oxygenated functional groups are possible. MS/MS spectra for m / z 425 were used to gain further insight into the structural similarities and differences between molecules eluting in peaks 2, 3, and 4 (Fig.…”

Section: Resultsmentioning

confidence: 99%

Temporal changes in thirdhand cigarette smoke film composition and oxidation of co-existing surface film chemicals

Hurlock,

Collins

2024

Environ. Sci.: Atmos.

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Estimating the Age of Fingermarks: Relevance, Potential Approaches, and Perspectives

Weyermann

Girod-Frais

2021

Technologies for Fingermark Age Estimations: A Step Forward

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Investigations into sampling approaches for chemical analysis of latent fingermark residue

Cited by 11 publications

References 31 publications

The forensic exploitation of fingermark chemistry: A review

The forensic exploitation of fingermark chemistry: A review

Temporal changes in thirdhand cigarette smoke film composition and oxidation of co-existing surface film chemicals

Estimating the Age of Fingermarks: Relevance, Potential Approaches, and Perspectives

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