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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/8221

    Título
    New fluorescent reporters capable of Ultra-sensitively detecting trinitrotoluene on surfaces: A proof-of-concept for finding hidden nitroaromatics in the workroom
    Autor
    Revilla Cuesta, AndreaAutoridad UBU Orcid
    Abajo Cuadrado, IreneAutoridad UBU
    Medrano, María
    Martín Salgado, Mateo
    Pecori, Giuditta
    Rodríguez Rodríguez, Mª TeresaAutoridad UBU Orcid
    Hernando Muñoz, CarlaAutoridad UBU
    García Calvo, JoséAutoridad UBU Orcid
    Arcos Martínez, JuliaAutoridad UBU Orcid
    Torroba Pérez, TomásAutoridad UBU Orcid
    Publicado en
    Journal of Photochemistry and Photobiology A: Chemistry. 2023, V. 444, 114911
    Editorial
    Elsevier
    Fecha de publicación
    2023-10
    ISSN
    1010-6030
    DOI
    10.1016/j.jphotochem.2023.114911
    Resumo
    We describe the proof of concept of a portable testing setup for the detection of trinitrotoluene (TNT), a common component in hidden explosive devices. The system allows for field-testing and generation of real-time results to test for TNT traces in surfaces by simply using a filter paper and a fluorescent reporter. In this way, the controlled trapping and detection of the analyte by a chemical sensor gives reliable results at extremely low concentrations of TNT on surfaces under real life conditions suitable for daily use in ordinary sampling for example at airlines luggage storage or sport locker rooms. The reported fluorescent methodology is very sensitive and selective, allowing for the trapping and detection of TNT by a fluorescent reporter to give reliable results at very low concentrations. As a complement, we report the preparation of a modified Sylgard film that is useful under real conditions for qualitative fluorescent detection of hidden traces of TNT on surfaces or fingers by a swab method. The combination of quantitative and qualitative detection of TNT traces on surfaces constitutes a comprehensive new method for the detection of hidden nitroaromatic explosives in the workplace.
    Palabras clave
    2,4,6-Trinitrotoluene
    Improvised explosive devices
    Chemical sensors
    Fluorescent materials
    Chemical tests
    Swab alternatives
    Materia
    Química orgánica
    Chemistry, Organic
    URI
    http://hdl.handle.net/10259/8221
    Versión del editor
    https://doi.org/10.1016/j.jphotochem.2023.114911
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    Attribution-NonCommercial-NoDerivatives 4.0 Internacional
    Documento(s) sujeto(s) a una licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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    Revilla-jppac_2023.pdf
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