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151 results on '"de Puit, Marcel"'

1. Profiling and imaging of forensic evidence – A pan-European forensic round robin study part 1: Document forgery

Author

Fischer, Thomas, Marchetti-Deschmann, Martina, Cristina Assis, Ana, Levin Elad, Michal, Algarra, Manuel, Barac, Marko, Bogdanovic Radovic, Iva, Cicconi, Flavio, Claes, Britt, Frascione, Nunzianda, George, Sony, Guedes, Alexandra, Heaton, Cameron, Heeren, Ron, Lazic, Violeta, Luis Lerma, José, del Valle Martinez de Yuso Garcia, Maria, Nosko, Martin, O'Hara, John, Oshina, Ilze, Palucci, Antonio, Pawlaczyk, Aleksandra, Zelená Pospíšková, Kristýna, de Puit, Marcel, Radodic, Ksenija, Rēpele, Māra, Ristova, Mimoza, Saverio Romolo, Francesco, Šafařík, Ivo, Siketic, Zdravko, Spigulis, Janis, Iwona Szynkowska-Jozwik, Malgorzata, Tsiatsiuyeu, Andrei, Vella, Joanna, Dawson, Lorna, Rödiger, Stefan, and Francese, Simona

Published
2022
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29. Non-marking Collection of Amino Acids from Fingerprints Using Hydrogels

Author

van Helmond, Ward, O’Brien, Vincent, de Jong, Robin, van Esch, Jan, Oldenhof, Sander, de Puit, Marcel, Alterman, Michail A., and Lectoraat Forensisch Onderzoek

Subjects
chemistry.chemical_classification, Chromatography, 010401 analytical chemistry, Fingerprint (computing), 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, 0104 chemical sciences, Amino acid, Amino acid analysis, chemistry, Self-healing hydrogels, Uplc ms ms, Profile analysis, 0210 nano-technology
Abstract

The amino acid profile obtained from a fingerprint may provide valuable information on its donor. Unfortunately, the collection of chemicals from the fingerprint is often destructive to the fingerprint ridge detail. Herein we detail the use of cross-linkable solutions of dextran-methacrylate to form hydrogels capable of collecting amino acids from surfaces followed by extraction and quantification with UPLC-MS. This method allows for the amino acid profile analysis of fingerprints while allowing for their increased visualization at a later stage using the standard method of cyanoacrylate fuming followed by basic-yellow dyeing.

Published
2019

45. Comparison of the Reagents SPR-W and Acid Yellow 7 for the Visualization of Blood Marks on a Dark Surface.

Author

Bouwmeester, Martine, Leegwater, Jeannette, and de Puit, Marcel

Subjects
CHEMICAL reagents, BLOODSTAIN analysis, CYANOACRYLATES, SEQUENTIAL processing (Computer science), DNA analysis
Abstract

This article is a follow-up of the study “A Comparison of Reagents for the Visualization of Blood Prints on Knives with Black Handles” (Journal of Forensic Identification, 2011, 61 (4), 353–362), which ended with recommendations for further research. This further research was carried out and the results are described here. In this study, the results for sequential processing of cyanoacrylate or lumicyano with the reagents SPR-W (small particle reagent white) and acid yellow 7 (also known as brilliant sulphof lavine) on blood marks can be found. Furthermore, the DNA recovery rate was measured after these sequential techniques. Treating fingermarks in blood with SPR-W gave the best results, in terms of visibility of the marks, when no pretreatment with cyanoacrylate was carried out. DNA recovery was successful only for the first blood fingermark of the depletion series, for almost all applied treatments. The different treatment methods do not seem to be of inf luence on the DNA recovery. [ABSTRACT FROM AUTHOR]

Published
2016

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