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Article

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

1
Department of Analytical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
2
Central Laboratory, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic
3
Department of Physical Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editors: Hyeonseok Yoon and Asterios (Stergios) Pispas
Polymers 2021, 13(19), 3220; https://doi.org/10.3390/polym13193220
Received: 24 August 2021 / Revised: 8 September 2021 / Accepted: 14 September 2021 / Published: 23 September 2021
(This article belongs to the Special Issue Feature Papers in Polymer Applications)
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. View Full-Text
Keywords: latent fingerprints; brass cartridge; electrochemical deposition; poly(neutral red); visualization latent fingerprints; brass cartridge; electrochemical deposition; poly(neutral red); visualization
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MDPI and ACS Style

Broncová, G.; Slaninová, T.; Trchová, M.; Prokopec, V.; Matějka, P.; Shishkanova, T.V. Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces. Polymers 2021, 13, 3220. https://doi.org/10.3390/polym13193220

AMA Style

Broncová G, Slaninová T, Trchová M, Prokopec V, Matějka P, Shishkanova TV. Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces. Polymers. 2021; 13(19):3220. https://doi.org/10.3390/polym13193220

Chicago/Turabian Style

Broncová, Gabriela, Tereza Slaninová, Miroslava Trchová, Vadim Prokopec, Pavel Matějka, and Tatiana V. Shishkanova. 2021. "Optimization of Electrochemical Visualization of Latent Fingerprints with Poly(Neutral Red) on Brass Surfaces" Polymers 13, no. 19: 3220. https://doi.org/10.3390/polym13193220

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