Latent fingermark detection using functionalised silicon oxide nanoparticles: Investigation into novel application procedures.

Lee, PLT; Kanodarwala, FK; Lennard, C; Spindler, X; Spikmans, V; Roux, C; Moret, S

Latent fingermark detection using functionalised silicon oxide nanoparticles: Investigation into novel application procedures.

Lee, PLT Kanodarwala, FK Lennard, C Spindler, X

Spikmans, V Roux, C

Moret, S

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Publisher:: Elsevier BV
Publication Type:: Journal Article
Citation:: Forensic Sci Int, 2022, 335, pp. 111275
Issue Date:: 2022-03-17

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Field	Value	Language
dc.contributor.author	Lee, PLT
dc.contributor.author	Kanodarwala, FK
dc.contributor.author	Lennard, C
dc.contributor.author	Spindler, X https://orcid.org/0000-0001-6379-351X
dc.contributor.author	Spikmans, V
dc.contributor.author	Roux, C https://orcid.org/0000-0003-3610-420X
dc.contributor.author	Moret, S https://orcid.org/0000-0001-5099-4697
dc.date.accessioned	2022-04-29T07:02:10Z
dc.date.available	2022-03-14
dc.date.available	2022-04-29T07:02:10Z
dc.date.issued	2022-03-17
dc.identifier.citation	Forensic Sci Int, 2022, 335, pp. 111275
dc.identifier.issn	0379-0738
dc.identifier.issn	1872-6283
dc.identifier.uri	http://hdl.handle.net/10453/156818
dc.description.abstract	Investigations into the application of carboxyl-functionalised silicon oxide nanoparticles doped with a ruthenium complex (RuBpy-doped CES-SiO2 NPs) for latent fingermark development on non-porous surfaces were reported in previous studies. These studies suggested that an optimised NP-based method demonstrated advantages in fingermark selectivity and sensitivity. To continue the series of research into using RuBpy-doped CES-SiO2 NPs for fingermark detection, the versatility and overall practicality of the optimised SiO2 NP-based reagent for latent fingermark detection and enhancement was evaluated. When the optimised NP-based method was used in a repeated fashion (application of multiple NP treatment cycles), it was found that the overall fingermark detection quality increased across the evaluated fingermarks without a high risk of overdevelopment. The possibility of incorporating the optimised NP-based reagent for potential operational use (e.g., at crime scenes) was successfully demonstrated via spray application on three test surfaces (aluminium foil, transparent polypropylene film and green polyethylene film). It was also shown that further enhancement of "spray-detected" fingermarks was achievable via subsequent treatment using the NP-based reagent in a colloidal dispersion bath. Additionally, the compatibility of the optimised NP-based method with two-step cyanoacrylate fuming for latent fingermark detection was evaluated. It was concluded that the two techniques are not compatible for application in a fingermark detection sequence. While encouraging results were demonstrated in this study, further optimisation and comparison will be required before the multiple-treatment and spray-treatment approaches can be considered for operational implementation.
dc.format	Print-Electronic
dc.language	eng
dc.publisher	Elsevier BV
dc.relation	http://purl.org/au-research/grants/arc/LP160100351
dc.relation.ispartof	Forensic Sci Int
dc.relation.isbasedon	10.1016/j.forsciint.2022.111275
dc.rights	info:eu-repo/semantics/embargoedAccess
dc.subject.classification	Legal & Forensic Medicine
dc.title	Latent fingermark detection using functionalised silicon oxide nanoparticles: Investigation into novel application procedures.
dc.type	Journal Article
utslib.citation.volume	335
utslib.location.activity	Ireland
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Strength - CFS - Centre for Forensic Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access	*
utslib.copyright.embargo	2023-05-17T00:00:00+1000Z
dc.date.updated	2022-04-29T07:02:03Z
pubs.publication-status	Published online
pubs.volume	335

Abstract:

Investigations into the application of carboxyl-functionalised silicon oxide nanoparticles doped with a ruthenium complex (RuBpy-doped CES-SiO2 NPs) for latent fingermark development on non-porous surfaces were reported in previous studies. These studies suggested that an optimised NP-based method demonstrated advantages in fingermark selectivity and sensitivity. To continue the series of research into using RuBpy-doped CES-SiO2 NPs for fingermark detection, the versatility and overall practicality of the optimised SiO2 NP-based reagent for latent fingermark detection and enhancement was evaluated. When the optimised NP-based method was used in a repeated fashion (application of multiple NP treatment cycles), it was found that the overall fingermark detection quality increased across the evaluated fingermarks without a high risk of overdevelopment. The possibility of incorporating the optimised NP-based reagent for potential operational use (e.g., at crime scenes) was successfully demonstrated via spray application on three test surfaces (aluminium foil, transparent polypropylene film and green polyethylene film). It was also shown that further enhancement of "spray-detected" fingermarks was achievable via subsequent treatment using the NP-based reagent in a colloidal dispersion bath. Additionally, the compatibility of the optimised NP-based method with two-step cyanoacrylate fuming for latent fingermark detection was evaluated. It was concluded that the two techniques are not compatible for application in a fingermark detection sequence. While encouraging results were demonstrated in this study, further optimisation and comparison will be required before the multiple-treatment and spray-treatment approaches can be considered for operational implementation.

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http://hdl.handle.net/10453/156818