The effect of metal salt treatment on the photoluminescence of DFO-treated fingerprints.

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Show simple item record Conn, C Ramsay, G Roux, C Lennard, C 2009-11-12T04:43:56Z 2001-02
dc.identifier.citation Forensic science international, 2001, 116 (2-3), pp. 117 - 123
dc.identifier.issn 0379-0738
dc.identifier.other C1 en_US
dc.description.abstract Ninhydrin developed fingerprints can be enhanced by treatment with a zinc or cadmium salt. The resulting fingerprint luminescence has been attributed to the induced coplanarity of the bicyclic indanedione rings of Ruhemann's purple due to complexation with the metal ions. This paper explores whether this effect also occurs in the 1,8-diaza-9-fluorenone (DFO)-amino acid adduct (1), formed from the reaction of DFO with amino acids. Molecular modeling studies of (1) indicate a relatively small out-of-plane angle of 24 degrees. 1H NMR studies indicate (1) is asymmetric about the C2 axis in contrast to what has been previously reported. Little, if any, enhancement of luminescence was observed with Zn, Cd, Ru or Eu treated DFO developed latent fingerprints. This lack of enhancement was also borne out by solution luminescence studies. Given this lack of enhancement of luminescence, solutions of (1) and the four metal ions above were analyzed by electrospray mass spectrometry (ESMS). This indicated the formation of predominantly 1:1 complexes of (1) with both Zn and Cd, and the 2:1 complex with ruthenium. No evidence of a Eu complex was found by ESMS.
dc.format Print
dc.language eng
dc.relation.isbasedon 10.1016/s0379-0738(00)00358-3
dc.title The effect of metal salt treatment on the photoluminescence of DFO-treated fingerprints.
dc.type Journal Article
dc.parent Forensic science international
dc.journal.volume 2-3
dc.journal.volume 116
dc.journal.number 2-3 en_US
dc.publocation Ireland en_US
dc.identifier.startpage 117 en_US
dc.identifier.endpage 123 en_US Chemistry, Materials and Forensic Sciences en_US
dc.personcode 910833
dc.personcode 0000016451
dc.personcode 960382
dc.description.keywords Humans
dc.description.keywords Ruthenium
dc.description.keywords Zinc
dc.description.keywords Aza Compounds
dc.description.keywords Amino Acids
dc.description.keywords Luminescent Measurements
dc.description.keywords Magnetic Resonance Spectroscopy
dc.description.keywords Spectrometry, Mass, Electrospray Ionization
dc.description.keywords Cadmium
dc.description.keywords Models, Molecular
dc.description.keywords Dermatoglyphics
dc.description.keywords Europium
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Faculty of Science/School of Chemistry and Forensic Science
pubs.organisational-group /University of Technology Sydney/Strength - Forensic Science
utslib.copyright.status Closed Access 2015-04-15 12:17:09.805752+10
pubs.consider-herdc true
utslib.collection.history Closed (ID: 3)

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