Interactions of the G-series organophosphorus chemical warfare agent sarin and various simulants with luminescent lanthanide complexes

Genevieve Dennison, Mark Sambrook, Martin Johnston

    Research output: Contribution to journalArticle

    13 Citations (Scopus)

    Abstract

    Fundamental supramolecular interactions of the G-series organophosphorus (OP) chemical warfare agent (CWA) sarin, and various simulants, with simple lanthanide complexes of the type Ln(phen)2(NO3)3·(H2O)x (where phen = 1,10-phenanthroline; 1: Ln = Eu(iii), x = 3 and 2: Ln = Tb(iii), x = 2) have been elucidated by spectroscopic investigations. Luminescent and UV-Vis results show only minimal fluorescence quenching occurring as a result of a dynamic mechanism. These results have been compared with previously presented V-series OP CWA data demonstrating that the luminescence quenching of the two series occurs with differing magnitudes and mechanisms. Agent-simulant correlations for use with lanthanide complexes are also discussed which are of critical importance for informing the design and construction of efficient, advanced and regenerable supramolecular sensing systems.

    Original languageEnglish
    Pages (from-to)55524-55528
    Number of pages5
    JournalRSC Advances
    Volume4
    Issue number98
    DOIs
    Publication statusPublished - 2014

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