2026-04-27T15:43:39Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/82222023-12-20T01:05:24Zcom_10259_4354com_10259_5086com_10259_2604col_10259_4355

Silica Nanoparticle/Fluorescent Dye Assembly Capable of Ultrasensitively Detecting Airborne Triacetone Triperoxide: Proof-of-Concept Detection of Improvised Explosive Devices in the Workroom Revilla Cuesta, Andrea Abajo Cuadrado, Irene Medrano, María Martín Salgado, Mateo Avella, Manuel Rodríguez Rodríguez, Mª Teresa García Calvo, José Torroba Pérez, Tomás Triacetone triperoxide Improvised explosive devices Chemical sensors Fluorescent materials Vapor phase detection Aggregation-induced emission materials We describe the proof of concept of a portable testing setup for the detection of triacetone triperoxide (TATP), a common component in improvised explosive devices. The system allows for field testing and generation of real-time results to test for TATP vapor traces in air by simply using circulation of the air samples through the sensing mechanism under the air conditioning system of an ordinary room. In this way, the controlled trapping of the analyte in the chemical sensor gives reliable results at extremely low concentrations of TATP in air under real-life conditions, suitable for daily use in luggage storage for airlines or a locker room for a major sporting event. The reported fluorescent methodology is very sensitive and selective, allowing for the trapping of triacetone triperoxide in the chemical sensor to give reliable results at very low concentrations in air under ambient conditions, by comparing the fluorescence of the material before and after exposition to TATP traces in air. 2023-12-19T12:03:23Z 2023-12-19T12:03:23Z 2023-12-19T12:03:23Z 2023 info:eu-repo/semantics/article 1944-8244 http://hdl.handle.net/10259/8222 10.1021/acsami.3c05931 1944-8252 eng ACS Applied Materials & Interfaces. 2023, V. 15, n. 26, p. 32024–32036 https://doi.org/10.1021/acsami.3c05931 http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess Atribución 4.0 Internacional American Chemical Society