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dc.contributor.author | Gomes, C. | |
dc.contributor.author | López-Matayoshi, C. | |
dc.contributor.author | Palomo-Díez, S. | |
dc.contributor.author | López-Parra, A. M. | |
dc.contributor.author | Cuesta-Alvaro, P. | |
dc.contributor.author | Baeza-Richer, C. | |
dc.contributor.author | Gibaja, J. F. | |
dc.contributor.author | Arroyo-Pardo, E. | |
dc.date.accessioned | 2019-01-25T16:20:57Z | |
dc.date.available | 2019-01-25T16:20:57Z | |
dc.date.issued | 2017 | |
dc.identifier.uri | https://hdl.handle.net/20.500.12866/4809 | |
dc.description.abstract | The nature of the sample in a forensic case is one of the most important factors, since it determines the posterior analysis, helping to define or discard its identity (like blood versus semen). A presumptive test is a qualitative analysis that allows to identify, or confirm, the presence of a substance in a sample. These determinations usually occur, after a chemical reaction, and a specific colour is produced. A false positive is another substance reacting the same way, producing the expected result. The aim of this work was to evaluate the most effective presumptive test (with fewer false-positives) when analysing products that could look and behave like blood during a forensic screening assay. Eight different products were tested, like Betadine®, and four reagents were considered: Tetramethylbenzidine, O-toluidine, Leuchomalachite green and BlueStar® Forensic (BlueStar). Each product was tested with the reagents five times − mixed with human blood (3:1), with three different animal blood (3:1), and then unmixed. Our results indicated that Leuchomalachite green is the most suitable presumptive test, since it was the reagent with less false positives. | en_US |
dc.language.iso | eng | |
dc.publisher | Elsevier | |
dc.relation.ispartofseries | Forensic Science International | |
dc.rights | info:eu-repo/semantics/restrictedAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es | |
dc.subject | 2 methylaniline | en_US |
dc.subject | Article | en_US |
dc.subject | benzidine | en_US |
dc.subject | Benzidine | en_US |
dc.subject | Blood | en_US |
dc.subject | blood sampling | en_US |
dc.subject | bluestar | en_US |
dc.subject | BlueStar® forensic | en_US |
dc.subject | controlled study | en_US |
dc.subject | False positive | en_US |
dc.subject | human | en_US |
dc.subject | leuchomalachite green | en_US |
dc.subject | Leuchomalaquite green | en_US |
dc.subject | nonhuman | en_US |
dc.subject | Ortho-Tolidine | en_US |
dc.subject | povidone iodine | en_US |
dc.subject | priority journal | en_US |
dc.subject | reagent | en_US |
dc.subject | tetramethylbenzidine | en_US |
dc.subject | Tetramethylbenzidine | en_US |
dc.subject | unclassified drug | en_US |
dc.title | Presumptive tests: A substitute for Benzidine in blood samples recognition | en_US |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | https://doi.org/10.1016/j.fsigss.2017.09.213 | |
dc.subject.ocde | https://purl.org/pe-repo/ocde/ford#3.01.09 | |
dc.relation.issn | 1872-6283 |
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