Micronised Egyptian blue pigment: A novel near-infrared luminescent fingerprint dusting powder

In this paper we demonstrate that micronised Egyptian blue pigment can be used as a safe and simple material to visualise latent fingerprints on non-porous surfaces as near-infrared luminescent impressions. This allows the detection of latent fingerprints on highly patterned and reflective surfaces...

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Bibliographic Details
Published in:Dyes and pigments 2016-09, Vol.132, p.310-315
Main Authors: Errington, Benjamin, Lawson, Glen, Lewis, Simon W., Smith, Gregory D.
Format: Article
Language:English
Subjects:
Dyes
Egyptian blue pigment
Fingerprints
Latent fingerprints
NIR luminescence
Pigments
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Summary:In this paper we demonstrate that micronised Egyptian blue pigment can be used as a safe and simple material to visualise latent fingerprints on non-porous surfaces as near-infrared luminescent impressions. This allows the detection of latent fingerprints on highly patterned and reflective surfaces that have proven challenging with existing techniques. [Display omitted] •Micronised Egyptian blue pigment used as safe, simple treatment to visualise latent fingerprints.•Treated fingerprints visualised using intense near infrared luminescence of pigment.•Allows detection of latent fingerprints on highly patterned and reflective surfaces.
ISSN:0143-7208
1873-3743
DOI:10.1016/j.dyepig.2016.05.008