Assessing phosphomolybdic acid as a fingermark enhancement reagent
Journal article
Davis, LWL, Bleay, SM and Kelly, PF (2018). Assessing phosphomolybdic acid as a fingermark enhancement reagent. Journal of Forensic Identification. 68 (2), pp. 257-280.
| Authors | Davis, LWL, Bleay, SM and Kelly, PF |
|---|---|
| Abstract | © 2018 International Association for Identification. All rights reserved. The efficacy of an ethanolic solution of phosphomolybdic acid (PMA) was investigated as a latent fingermark visualization reagent, primarily on porous substrates. After treating samples and exposing them to ultraviolet radiation, the PMA solution was shown to develop fingermarks of high quality. Unlike the common amino acid reagents that are used for the development of fingermarks on porous substrates (e.g., ninhydrin and 1,8 diazafluoren-9-one), PMA stains a range of other compounds that are found in fingermark deposits, including lipids. The lysochrome diazo dye Oil Red O (ORO) was used for comparative purposes because of its application in staining some of the same components of fingermark residues for which PMA would be proposed. Initial results indicate that PMA is comparable to ORO at developing fingermarks on porous surfaces and may also have applications on nonporous surfaces. |
| Year | 2018 |
| Journal | Journal of Forensic Identification |
| Journal citation | 68 (2), pp. 257-280 |
| ISSN | 0895-173X |
| Publication dates | |
| 01 Apr 2018 | |
| Publication process dates | |
| Deposited | 13 Apr 2019 |
| Accepted | 27 Jan 2018 |
| Accepted author manuscript | License File Access Level Open |
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