Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles

WET UCIO is an inexpensive carbon-based powder suspension, reportedly as effective as commercially available formulations for latent fingermark detection on the sticky side of adhesive tapes. However, the surfactant solution used in WET UCIO is not readily accessible outside Europe, limiting its use...

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Main Authors: Bouzin, Jemmy T., Sauzier, Georgina, Lewis, Simon
Format: Journal Article
Published: 2024
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/94961
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author Bouzin, Jemmy T.
Sauzier, Georgina
Lewis, Simon
author_facet Bouzin, Jemmy T.
Sauzier, Georgina
Lewis, Simon
author_sort Bouzin, Jemmy T.
building Curtin Institutional Repository
collection Online Access
description WET UCIO is an inexpensive carbon-based powder suspension, reportedly as effective as commercially available formulations for latent fingermark detection on the sticky side of adhesive tapes. However, the surfactant solution used in WET UCIO is not readily accessible outside Europe, limiting its use in Seychelles or other non-European jurisdictions. In this study, the UCIO formulation was modified based on a ‘frugal forensic’ approach, by replacing the surfactant solution with an in-house sodium dodecyl sulfate solution prepared in 5% aqueous ethanol. A comparative assessment against Wetwop™ using eight different pressure-sensitive adhesive tapes found that the modified formulation was at least as effective as commercial powder suspension. Modifying this technique under the frugal forensic framework has enhanced its accessibility to other jurisdictions and is recommended for validation in Seychelles.
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publishDate 2024
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spelling curtin-20.500.11937-949612024-05-24T08:46:06Z Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles Bouzin, Jemmy T. Sauzier, Georgina Lewis, Simon Latent fingermark detection pressure-sensitive adhesive tape powder suspension sustainable development WET UCIO is an inexpensive carbon-based powder suspension, reportedly as effective as commercially available formulations for latent fingermark detection on the sticky side of adhesive tapes. However, the surfactant solution used in WET UCIO is not readily accessible outside Europe, limiting its use in Seychelles or other non-European jurisdictions. In this study, the UCIO formulation was modified based on a ‘frugal forensic’ approach, by replacing the surfactant solution with an in-house sodium dodecyl sulfate solution prepared in 5% aqueous ethanol. A comparative assessment against Wetwop™ using eight different pressure-sensitive adhesive tapes found that the modified formulation was at least as effective as commercial powder suspension. Modifying this technique under the frugal forensic framework has enhanced its accessibility to other jurisdictions and is recommended for validation in Seychelles. 2024 Journal Article http://hdl.handle.net/20.500.11937/94961 10.1016/j.forsciint.2024.112044 http://creativecommons.org/licenses/by-nc-nd/4.0/ fulltext
spellingShingle Latent fingermark detection
pressure-sensitive adhesive tape
powder suspension
sustainable development
Bouzin, Jemmy T.
Sauzier, Georgina
Lewis, Simon
Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles
title Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles
title_full Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles
title_fullStr Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles
title_full_unstemmed Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles
title_short Wet SPF: A wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in Seychelles
title_sort wet spf: a wet powder suspension for the detection of latent fingermarks on the sticky side of adhesive tape for use in seychelles
topic Latent fingermark detection
pressure-sensitive adhesive tape
powder suspension
sustainable development
url http://hdl.handle.net/20.500.11937/94961