Dennison, Genevieve H. Bochet, Christian G. Curty, Christophe Ducry, Julien Nielsen, David J. Sambrook, Mark R. Zaugg, Andreas Johnston, Martin R. 2016-03-01 Solution spectroscopic investigations into the interactions of eight potential bidentate V-series organophosphorus chemical warfare agent (OP CWA) simulants with [Eu(phen)₂(NO₃)₃]<b>·</b>2H₂O demonstrated that the chemical and structural composition of the secondary binding site within the simulant was of paramount importance. Only simulants containing both phosphoryl/phosphonyl and amine moieties generated analogous spectroscopic behaviours to V-series OP CWAs seen in previous studies. The results demonstrated that the bidentate chelation mechanism was driven by the phosphoryl/phosphonyl moieties and that the presence of the amine moieties induced a significant secondary dynamic luminescence quenching mechanism. The binding modes of the simulants VO and TEEP to trivalent lanthanides (Eu and La) were further investigated using ¹H and ³¹P NMR spectroscopic titrations and kinetic IR experiments. VO, with both the phosphonyl and amine binding sites was found to be the most appropriate simulant for V-series OP CWAs in supramolecular studies with trivalent lanthanide ions and we recommend VO for use in supramolecular studies of this type. application/pdf https://folia.unifr.ch/global/documents/304911 https://folia.unifr.ch/documents/304911/files/boc_sas.pdf https://folia.unifr.ch/documents/304911/files/boc_sas_sm.pdf eng info:eu-repo/semantics/altIdentifier/doi/10.1002/ejic.201600105 info:eu-repo/semantics/openAccess License undefined European Journal of Inorganic Chemistry. - 2016, vol. 2016, no. 9, p. 1348-1358 Supramolecular chemistry Sensors Luminescence Lanthanides P ligands Chemical warfare agents info:eu-repo/classification/udc/54 Supramolecular agent–simulant correlations for the luminescence based detection of V-series chemical warfare agents with trivalent lanthanide complexes http://purl.org/coar/resource_type/c_6501