ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS)
In the criminal sphere, it is extremely important to identify perpetrators of crimes based on latent fingerprints (invisible to the naked eye) revealed at crime scenes and their corresponding objects. The present work aimed to evaluate four synthetic analogues of curcumin as possible IDL developers,...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira de Química
2024-01-01
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| Series: | Química Nova |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000100002&lng=pt&tlng=pt |
| _version_ | 1797361077705506816 |
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| author | Francisco M. Gomes Claudio M. P. de Pereira Kristiane C. Mariotti Thieres M. Pereira Nayara A. dos Santos Hildegardo S. França Wanderson Romão |
| author_facet | Francisco M. Gomes Claudio M. P. de Pereira Kristiane C. Mariotti Thieres M. Pereira Nayara A. dos Santos Hildegardo S. França Wanderson Romão |
| author_sort | Francisco M. Gomes |
| collection | DOAJ |
| description | In the criminal sphere, it is extremely important to identify perpetrators of crimes based on latent fingerprints (invisible to the naked eye) revealed at crime scenes and their corresponding objects. The present work aimed to evaluate four synthetic analogues of curcumin as possible IDL developers, and to compare their results with those of carbon black developer, as well as to reach the most adequate parameters in the use of the LTQ and FT-ICR mass spectrometers with the paper spray ionization (PS) source to study the chemical composition of the endogenous substances contained in the IDL. For this, a 24-1 factorial design was developed, where it was verified that the distance and voltage factors were the most influential for the increase in the response of signals, in the analysis of latent fingerprints by PS. Among the detected substances we can mention around 20 fatty acids, and squalene. Finally, four potential developers, synthetic analogues of curcumin, were compared with carbon black developer. The revelation of latent fingerprints occurred efficiently, allowing the visualization of minutiae, such as bifurcation and end of line, making it possible to classify them, according to the Vucetich Fingerprint Classification System. |
| first_indexed | 2024-03-08T15:48:45Z |
| format | Article |
| id | doaj.art-6f2b2e4f40e94507bfe58a0b5f909b57 |
| institution | Directory Open Access Journal |
| issn | 1678-7064 |
| language | English |
| last_indexed | 2024-03-08T15:48:45Z |
| publishDate | 2024-01-01 |
| publisher | Sociedade Brasileira de Química |
| record_format | Article |
| series | Química Nova |
| spelling | doaj.art-6f2b2e4f40e94507bfe58a0b5f909b572024-01-09T07:43:31ZengSociedade Brasileira de QuímicaQuímica Nova1678-70642024-01-0147110.21577/0100-4042.20230085ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS)Francisco M. GomesClaudio M. P. de PereiraKristiane C. MariottiThieres M. PereiraNayara A. dos SantosHildegardo S. FrançaWanderson Romãohttps://orcid.org/0000-0002-2254-6683In the criminal sphere, it is extremely important to identify perpetrators of crimes based on latent fingerprints (invisible to the naked eye) revealed at crime scenes and their corresponding objects. The present work aimed to evaluate four synthetic analogues of curcumin as possible IDL developers, and to compare their results with those of carbon black developer, as well as to reach the most adequate parameters in the use of the LTQ and FT-ICR mass spectrometers with the paper spray ionization (PS) source to study the chemical composition of the endogenous substances contained in the IDL. For this, a 24-1 factorial design was developed, where it was verified that the distance and voltage factors were the most influential for the increase in the response of signals, in the analysis of latent fingerprints by PS. Among the detected substances we can mention around 20 fatty acids, and squalene. Finally, four potential developers, synthetic analogues of curcumin, were compared with carbon black developer. The revelation of latent fingerprints occurred efficiently, allowing the visualization of minutiae, such as bifurcation and end of line, making it possible to classify them, according to the Vucetich Fingerprint Classification System.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000100002&lng=pt&tlng=pt |
| spellingShingle | Francisco M. Gomes Claudio M. P. de Pereira Kristiane C. Mariotti Thieres M. Pereira Nayara A. dos Santos Hildegardo S. França Wanderson Romão ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS) Química Nova |
| title | ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS) |
| title_full | ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS) |
| title_fullStr | ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS) |
| title_full_unstemmed | ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS) |
| title_short | ESTUDO DE IMPRESSÕES DIGITAIS LATENTES E NOVOS REVELADORES POR PAPER SPRAY MASS SPECTROMETRY (PS-MS) |
| title_sort | estudo de impressoes digitais latentes e novos reveladores por paper spray mass spectrometry ps ms |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000100002&lng=pt&tlng=pt |
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