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Volume 13, February
 
 

Chemosensors, Volume 13, Issue 3 (March 2025) – 1 article

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15 pages, 6454 KiB  
Article
Detection of Novichok and V-Group Nerve Agents by Chemosensors Containing Nile Blue Chromophore
by Martin Urban, Tomáš Dropa, Markéta Zelenková, Michal Dymák and Vladimír Pitschmann
Chemosensors 2025, 13(3), 77; https://doi.org/10.3390/chemosensors13030077 - 20 Feb 2025
Abstract
This paper presents the results of experiments aiming for the detection and differentiation of selected nerve agents of the Novichok and V-group using simple strip detectors containing colourimetric indicator, specifically chemosensor Nile Blue A, immobilized in cellulose matrix. In all experimental modifications, the [...] Read more.
This paper presents the results of experiments aiming for the detection and differentiation of selected nerve agents of the Novichok and V-group using simple strip detectors containing colourimetric indicator, specifically chemosensor Nile Blue A, immobilized in cellulose matrix. In all experimental modifications, the contact of the active zone of the strip detector and respective nerve agent excited an immediate development of significant colouration visible to the naked eye. Alkaline solutions containing various hydroxides, carbonates and bicarbonates, and/or chloramine B were used to demonstrate the relevant reaction. The proposed strip detectors indicate a promising approach towards the development of low-cost, easily portable, and usable means of detection of the respective nerve agents. Full article
(This article belongs to the Section Applied Chemical Sensors)
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