Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces

This study is focused on the visualization of latent fingerprints on brass surfaces using the method of electrochemical deposition of a polymer film based on poly(neutral red) (PNR). The experiment included (i) optimization of conditions of electrochemical deposition of PNR on brass surfaces, (ii) A...

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Main Authors: Gabriela Broncová, Tereza Slaninová, Miroslava Trchová, Vadim Prokopec, Pavel Matějka, Tatiana V. Shishkanova
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/13/19/3220
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author Gabriela Broncová
Tereza Slaninová
Miroslava Trchová
Vadim Prokopec
Pavel Matějka
Tatiana V. Shishkanova
author_facet Gabriela Broncová
Tereza Slaninová
Miroslava Trchová
Vadim Prokopec
Pavel Matějka
Tatiana V. Shishkanova
author_sort Gabriela Broncová
collection DOAJ
description This study is focused on the visualization of latent fingerprints on brass surfaces using the method of electrochemical deposition of a polymer film based on poly(neutral red) (PNR). The experiment included (i) optimization of conditions of electrochemical deposition of PNR on brass surfaces, (ii) ATR-FTIR spectroscopic characterization of PNR-modified substrates, and (iii) identification of characteristic details on visualized fingerprints on fired brass cartridges. For electrochemical visualization, it is necessary to keep in mind both kind and “story” substrates. Experimental findings showed that electrochemical visualization carried out on brass plates is a step forward before known findings described in the literature and gives simultaneously a new approach for criminalists in the fight against crime.
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spelling doaj.art-7e87222974df49e59d91c82d30028c472023-11-22T16:37:27ZengMDPI AGPolymers2073-43602021-09-011319322010.3390/polym13193220Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass SurfacesGabriela Broncová0Tereza Slaninová1Miroslava Trchová2Vadim Prokopec3Pavel Matějka4Tatiana V. Shishkanova5Department of Analytical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech RepublicDepartment of Analytical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech RepublicCentral Laboratory, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech RepublicDepartment of Analytical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech RepublicDepartment of Physical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech RepublicDepartment of Analytical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech RepublicThis study is focused on the visualization of latent fingerprints on brass surfaces using the method of electrochemical deposition of a polymer film based on poly(neutral red) (PNR). The experiment included (i) optimization of conditions of electrochemical deposition of PNR on brass surfaces, (ii) ATR-FTIR spectroscopic characterization of PNR-modified substrates, and (iii) identification of characteristic details on visualized fingerprints on fired brass cartridges. For electrochemical visualization, it is necessary to keep in mind both kind and “story” substrates. Experimental findings showed that electrochemical visualization carried out on brass plates is a step forward before known findings described in the literature and gives simultaneously a new approach for criminalists in the fight against crime.https://www.mdpi.com/2073-4360/13/19/3220latent fingerprintsbrass cartridgeelectrochemical depositionpoly(neutral red)visualization
spellingShingle Gabriela Broncová
Tereza Slaninová
Miroslava Trchová
Vadim Prokopec
Pavel Matějka
Tatiana V. Shishkanova
Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces
Polymers
latent fingerprints
brass cartridge
electrochemical deposition
poly(neutral red)
visualization
title Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces
title_full Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces
title_fullStr Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces
title_full_unstemmed Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces
title_short Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces
title_sort optimization of electrochemical visualization of latent fingerprints with poly neutral red on brass surfaces
topic latent fingerprints
brass cartridge
electrochemical deposition
poly(neutral red)
visualization
url https://www.mdpi.com/2073-4360/13/19/3220
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AT terezaslaninova optimizationofelectrochemicalvisualizationoflatentfingerprintswithpolyneutralredonbrasssurfaces
AT miroslavatrchova optimizationofelectrochemicalvisualizationoflatentfingerprintswithpolyneutralredonbrasssurfaces
AT vadimprokopec optimizationofelectrochemicalvisualizationoflatentfingerprintswithpolyneutralredonbrasssurfaces
AT pavelmatejka optimizationofelectrochemicalvisualizationoflatentfingerprintswithpolyneutralredonbrasssurfaces
AT tatianavshishkanova optimizationofelectrochemicalvisualizationoflatentfingerprintswithpolyneutralredonbrasssurfaces