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Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints

The efficient development of latent fingerprint (LFP) is attractively important for criminal investigation. The low-cost and high-contrast developer is still a challenge. In this study, we designed and synthesized dicyanomethylene-4H-pyran (DCM) derivatives PZ-DCM and Boc-PZ-DCM by introducing of la...

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Autores principales: Cai, Yi, Hou, Ting-Ting, Wang, Cai-Yun, Tang, Ying-Hao, Zhang, Zhen-Yu, Zhang, Deteng, Zhu, Ming-Qiang, Wang, Ya-Long
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9315918/
https://www.ncbi.nlm.nih.gov/pubmed/35903195
http://dx.doi.org/10.3389/fchem.2022.943925
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author Cai, Yi
Hou, Ting-Ting
Wang, Cai-Yun
Tang, Ying-Hao
Zhang, Zhen-Yu
Zhang, Deteng
Zhu, Ming-Qiang
Wang, Ya-Long
author_facet Cai, Yi
Hou, Ting-Ting
Wang, Cai-Yun
Tang, Ying-Hao
Zhang, Zhen-Yu
Zhang, Deteng
Zhu, Ming-Qiang
Wang, Ya-Long
author_sort Cai, Yi
collection PubMed
description The efficient development of latent fingerprint (LFP) is attractively important for criminal investigation. The low-cost and high-contrast developer is still a challenge. In this study, we designed and synthesized dicyanomethylene-4H-pyran (DCM) derivatives PZ-DCM and Boc-PZ-DCM by introducing of large steric hindrance group Boc, the solid-state fluorescence of DCM derivatives was greatly enhanced. The low-cost fluorescent LFP developers were prepared by blending with different proportion of montmorillonite (MMT). As a result, clear and high contrast fingerprint patterns were obtained with dusting method by the developer with 3% content of Boc-PZ-DCM. Furthermore, we employed the developer with 3% content of Boc-PZ-DCM to develop the sweat latent fingerprints on different substrates by powder dusting, and collected clear fingerprint patterns, indicating that the developer is universal. In a word, the Boc-PZ-DCM/MMT powder is a promising candidate for LFP developer.
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spelling pubmed-93159182022-07-27 Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints Cai, Yi Hou, Ting-Ting Wang, Cai-Yun Tang, Ying-Hao Zhang, Zhen-Yu Zhang, Deteng Zhu, Ming-Qiang Wang, Ya-Long Front Chem Chemistry The efficient development of latent fingerprint (LFP) is attractively important for criminal investigation. The low-cost and high-contrast developer is still a challenge. In this study, we designed and synthesized dicyanomethylene-4H-pyran (DCM) derivatives PZ-DCM and Boc-PZ-DCM by introducing of large steric hindrance group Boc, the solid-state fluorescence of DCM derivatives was greatly enhanced. The low-cost fluorescent LFP developers were prepared by blending with different proportion of montmorillonite (MMT). As a result, clear and high contrast fingerprint patterns were obtained with dusting method by the developer with 3% content of Boc-PZ-DCM. Furthermore, we employed the developer with 3% content of Boc-PZ-DCM to develop the sweat latent fingerprints on different substrates by powder dusting, and collected clear fingerprint patterns, indicating that the developer is universal. In a word, the Boc-PZ-DCM/MMT powder is a promising candidate for LFP developer. Frontiers Media S.A. 2022-07-12 /pmc/articles/PMC9315918/ /pubmed/35903195 http://dx.doi.org/10.3389/fchem.2022.943925 Text en Copyright © 2022 Cai, Hou, Wang, Tang, Zhang, Zhang, Zhu and Wang. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Chemistry
Cai, Yi
Hou, Ting-Ting
Wang, Cai-Yun
Tang, Ying-Hao
Zhang, Zhen-Yu
Zhang, Deteng
Zhu, Ming-Qiang
Wang, Ya-Long
Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints
title Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints
title_full Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints
title_fullStr Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints
title_full_unstemmed Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints
title_short Fluorescence Enhancement of Dicyanomethylene-4H-Pyran Derivatives in Solid State for Visualization of Latent Fingerprints
title_sort fluorescence enhancement of dicyanomethylene-4h-pyran derivatives in solid state for visualization of latent fingerprints
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9315918/
https://www.ncbi.nlm.nih.gov/pubmed/35903195
http://dx.doi.org/10.3389/fchem.2022.943925
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