Hidden signatures: new reagents for developing latent fingerprints

M J Plater, P Barnes, L K McDonald, S Wallace, N Archer, T Gelbrich, M B Hursthouse

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Aldehydes substituted with a quaternised pyridinium or quinolinium ring have been investigated for the development of latent fingerprints. Two routes were developed to a novel in situ formed azacyanine dye. This dye might form in the fingerprint where reagents are concentrated but does not form appreciably in solution experiments as evidenced by the lack of an absorption band at 600 nm. N-Alkyl and N-aryl substituted benzimidazole-2-carboxaldehydes give stable fluorescent fingerprints.
Original languageEnglish
Pages (from-to)1633-1641
Number of pages9
JournalOrganic & Biomolecular Chemistry
Volume7
Issue number8
Early online date2 Mar 2009
DOIs
Publication statusPublished - 2009

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