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Nerve Gas Simulant Sensing by a Uranyl-Salen Monolayer Covalently Anchored on Quartz Substrates
Giuseppe Trusso Sfrazzetto1, Salvatrice Millesi1,2, Andrea Pappalardo1,2
1Dipartimento di Scienze Chimiche, Università di Catania, viale A. Doria 6, 95125, Catania, Italy.
Abstract:
A uranyl complex monolayer that easily allows the optical detection of a nerve gas simulant, namely, dimethyl methylphosphonate, is reported. Both UV/Vis spectroscopy and photoelectron data confirm that the functional hybrid material coordinates a Lewis base by means of the P=O group, which interacts with the uranium equatorial site available for complexation.
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