Highly efficient latent fingerprint detection by eight-dansyl-functionalized octasilsesquioxane nanohybrids

The largely demand in continued security issues makes necessary the development of novel materials with outstanding properties to improve the current detection techniques. In this context, latent fingerprint (LF) by fluorescent labeled materials (FLM) is one of the most attractive personnel identifi...

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Bibliographic Details
Published in:Dyes and pigments 2021-01, Vol.184, p.108841, Article 108841
Main Authors: Dare, Enock O., Vendrell-Criado, Victoria, Jiménez, M. Consuelo, Pérez-Ruiz, Raúl, Díaz Díaz, David
Format: Article
Language:English
Subjects:
Click chemistry
Dansyl
Fingerprint detection
Photostability
Silsesquioxanes
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Summary:The largely demand in continued security issues makes necessary the development of novel materials with outstanding properties to improve the current detection techniques. In this context, latent fingerprint (LF) by fluorescent labeled materials (FLM) is one of the most attractive personnel identification methodologies. Here, two FLM based on polyhedral oligomeric silsesquioxane (POSS) nanohybrids labeled with dansyl chromophores have been synthesized and fully characterized. Their photophysical properties have confirmed that these materials clearly possess the prime qualifications as suitable LF sensing platforms. In fact, they adequately detect LFs on glassy surface with excellence legibility. [Display omitted] •Development of novel materials is warranted to improve detection techniques for security issues.•Latent fingerprint by fluorescent labeled materials is one of the most attractive personnel identification methodology.•Two new nanohybrids based on labelled octa-dansyl polyhedral oligomeric silsesquioxane have been prepared.•These materials possess the prime qualifications as suitable latent fingerprint sensing platforms.
ISSN:0143-7208
1873-3743
DOI:10.1016/j.dyepig.2020.108841