Revisiting the thermal development of latent fingerprints on porous surfaces: New aspects and refinements

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Show simple item record Brown, AG Sommerville, D Reedy, BJ Shimmon, RG Tahtouh, M 2010-05-28T09:44:42Z 2009-01
dc.identifier.citation Journal of Forensic Sciences, 2009, 54 (1), pp. 114 - 121
dc.identifier.issn 0022-1198
dc.identifier.other C1 en_US
dc.description.abstract Although the ability to develop latent fingerprints on paper using heat alone has been noted previously, it has been considered impractical for casework and inferior to other techniques. Here a new refinement of the technique is demonstrated for the high quality development of latent fingerprints on porous surfaces such as paper. Fingerprints deposited on various papers were developed by exposing them to hot air with a temperature in the vicinity of 300°C, for periods of c. 10-20 sec. Several different heating methods were tested. The novel observation was made that after shorter heating times, fluorescent prints could be observed. These became visible after longer heating times, as noted by earlier workers, but with greatly improved contrast compared with their results. Prints from various donors (and aged prints) were developed with excellent ridge contrast. Direct heating methods (such as with a hot plate or press) produced inferior results. The refined technique, which is simple, safe and inexpensive compared with conventional methods, has great potential for use in forensic laboratories. © 2008 American Academy of Forensic Sciences.
dc.language eng
dc.relation.isbasedon 10.1111/j.1556-4029.2008.00902.x
dc.title Revisiting the thermal development of latent fingerprints on porous surfaces: New aspects and refinements
dc.type Journal Article
dc.parent Journal of Forensic Sciences
dc.journal.volume 1
dc.journal.volume 54
dc.journal.number 1 en_US
dc.publocation USA en_US
dc.identifier.startpage 114 en_US
dc.identifier.endpage 121 en_US SCI.Centre of Expertise Chemical Technologies en_US
dc.conference Verified OK en_US
dc.for 069901 Forensic Biology
dc.personcode 040570
dc.personcode 000263
dc.personcode 980366
dc.percentage 100 en_US Forensic Biology en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US en_US
dc.location.activity en_US
dc.location.activity United States
dc.description.keywords Charring
dc.description.keywords Fingermarks
dc.description.keywords Fingerprints
dc.description.keywords Fluorescence
dc.description.keywords Forensic science
dc.description.keywords Thermal development
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/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)
utslib.collection.history School of Chemistry and Forensic Science (ID: 339)

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