Nile red: Alternative to physical developer for the detection of latent fingermarks on wet porous surfaces?

Karl Braasch, Mackenzie de la Hunty, Janina Deppe, Xanthe Spindler, Antonio A. Cantu, Philip Maynard, Chris LENNARD, Claude Roux

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

This paper describes the application of a luminescent lipid stain, nile red, for the development of latent fingermarks on porous surfaces. An optimised formulation is presented that provides rapid development of latent fingermarks on porous surfaces that are or have been wet. A comparison with physical developer (PD), the method of choice to enhance such fingermarks, indicated that nile red was a simpler and more stable technique for the development of fingermarks. The nile red formulation showed similar performance to PD across a range of substrates and ageing conditions, although PD still showed greater sensitivity on five-year-old examination booklets used in a pseudo-operational study. The pseudo-operational trial also indicated that nile red consistently developed different fingermarks to those enhanced by PD, suggesting that it preferentially targets a different fraction of the latent fingermark deposit. Significantly, the compatibility of nile red in a detection sequence with indanedione-zinc, ninhydrin and PD is reported. (C) 2013 Elsevier Ireland Ltd. All rights reserved
Original languageEnglish
Pages (from-to)74-80
Number of pages7
JournalForensic Science International
Volume230
Issue number1-3
DOIs
Publication statusPublished - 2013

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Ninhydrin
Pamphlets
Zinc
Coloring Agents
nile red
Lipids
1,2-indanedione

Cite this

Braasch, K., de la Hunty, M., Deppe, J., Spindler, X., Cantu, A. A., Maynard, P., ... Roux, C. (2013). Nile red: Alternative to physical developer for the detection of latent fingermarks on wet porous surfaces? Forensic Science International, 230(1-3), 74-80. https://doi.org/10.1016/j.forsciint.2013.03.041
Braasch, Karl ; de la Hunty, Mackenzie ; Deppe, Janina ; Spindler, Xanthe ; Cantu, Antonio A. ; Maynard, Philip ; LENNARD, Chris ; Roux, Claude. / Nile red: Alternative to physical developer for the detection of latent fingermarks on wet porous surfaces?. In: Forensic Science International. 2013 ; Vol. 230, No. 1-3. pp. 74-80.
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abstract = "This paper describes the application of a luminescent lipid stain, nile red, for the development of latent fingermarks on porous surfaces. An optimised formulation is presented that provides rapid development of latent fingermarks on porous surfaces that are or have been wet. A comparison with physical developer (PD), the method of choice to enhance such fingermarks, indicated that nile red was a simpler and more stable technique for the development of fingermarks. The nile red formulation showed similar performance to PD across a range of substrates and ageing conditions, although PD still showed greater sensitivity on five-year-old examination booklets used in a pseudo-operational study. The pseudo-operational trial also indicated that nile red consistently developed different fingermarks to those enhanced by PD, suggesting that it preferentially targets a different fraction of the latent fingermark deposit. Significantly, the compatibility of nile red in a detection sequence with indanedione-zinc, ninhydrin and PD is reported. (C) 2013 Elsevier Ireland Ltd. All rights reserved",
keywords = "Latent fingermarks, Lipid stains, Luminescence, Nile red, Physical developer, Porous surfaces",
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Braasch, K, de la Hunty, M, Deppe, J, Spindler, X, Cantu, AA, Maynard, P, LENNARD, C & Roux, C 2013, 'Nile red: Alternative to physical developer for the detection of latent fingermarks on wet porous surfaces?', Forensic Science International, vol. 230, no. 1-3, pp. 74-80. https://doi.org/10.1016/j.forsciint.2013.03.041

Nile red: Alternative to physical developer for the detection of latent fingermarks on wet porous surfaces? / Braasch, Karl; de la Hunty, Mackenzie; Deppe, Janina; Spindler, Xanthe; Cantu, Antonio A.; Maynard, Philip; LENNARD, Chris; Roux, Claude.

In: Forensic Science International, Vol. 230, No. 1-3, 2013, p. 74-80.

Research output: Contribution to journalArticle

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T1 - Nile red: Alternative to physical developer for the detection of latent fingermarks on wet porous surfaces?

AU - Braasch, Karl

AU - de la Hunty, Mackenzie

AU - Deppe, Janina

AU - Spindler, Xanthe

AU - Cantu, Antonio A.

AU - Maynard, Philip

AU - LENNARD, Chris

AU - Roux, Claude

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N2 - This paper describes the application of a luminescent lipid stain, nile red, for the development of latent fingermarks on porous surfaces. An optimised formulation is presented that provides rapid development of latent fingermarks on porous surfaces that are or have been wet. A comparison with physical developer (PD), the method of choice to enhance such fingermarks, indicated that nile red was a simpler and more stable technique for the development of fingermarks. The nile red formulation showed similar performance to PD across a range of substrates and ageing conditions, although PD still showed greater sensitivity on five-year-old examination booklets used in a pseudo-operational study. The pseudo-operational trial also indicated that nile red consistently developed different fingermarks to those enhanced by PD, suggesting that it preferentially targets a different fraction of the latent fingermark deposit. Significantly, the compatibility of nile red in a detection sequence with indanedione-zinc, ninhydrin and PD is reported. (C) 2013 Elsevier Ireland Ltd. All rights reserved

AB - This paper describes the application of a luminescent lipid stain, nile red, for the development of latent fingermarks on porous surfaces. An optimised formulation is presented that provides rapid development of latent fingermarks on porous surfaces that are or have been wet. A comparison with physical developer (PD), the method of choice to enhance such fingermarks, indicated that nile red was a simpler and more stable technique for the development of fingermarks. The nile red formulation showed similar performance to PD across a range of substrates and ageing conditions, although PD still showed greater sensitivity on five-year-old examination booklets used in a pseudo-operational study. The pseudo-operational trial also indicated that nile red consistently developed different fingermarks to those enhanced by PD, suggesting that it preferentially targets a different fraction of the latent fingermark deposit. Significantly, the compatibility of nile red in a detection sequence with indanedione-zinc, ninhydrin and PD is reported. (C) 2013 Elsevier Ireland Ltd. All rights reserved

KW - Latent fingermarks

KW - Lipid stains

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KW - Physical developer

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