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• W4377821216 abstract "A fluorescent dinuclear cadmium(II) based discrete metal complex of composition [CdII2L(μ-Cl)Cl2](1) is used {HL=2,6-bis[2-(methylamino)ethyliminomethyl]-4-Ethylphenol} for the specific recognition of 2,4,6-trinitrophenol (picric acid; PA) via fluorescence quenching phenomenon among various nitroaromatic compounds through a chemodosimetric approach. It has been established that 1 is a chemodosimeter in pure water. We have successfully been able to isolate three compounds: chemodosimeter 1; an intermediate complex 2 of composition [CdII(LH2)Cl2](Picrate) and final association complex 3 of composition [NH3(CH2CH2)NH2CH3](Picrate)2. Compounds have been characterised by CHN elemental analyses, single crystal X-ray crystallography, PXRD, NMR and FTIR. Selective interaction of 1 with PA was evaluated by fluorescence, UV-Vis and life time measurements. Fluorescence quenching of 1 occurs definitely due to the formation of compound 3 via intermediate 2 involving partial decomplexation, hydrolysis and proton transfer phenomena in solution during the course of sensing. The quenching constant (Ksv), association constant (Ka) and detection limit (LOD) of the complex 1 for picric acid are ∼1.55×105 M−1, ∼1.8×1010 M−2 and ∼0.47 μM (0.108 ppm), respectively. Mechanism of sensing is proposed and the very rare case of isolation and characterization of intermediate in picric acid sensing is discussed." @default.
• W4377821216 created "2023-05-24" @default.
• W4377821216 creator A5046083608 @default.
• W4377821216 creator A5054072292 @default.
• W4377821216 creator A5072231735 @default.
• W4377821216 creator A5078135777 @default.
• W4377821216 date "2023-06-12" @default.
• W4377821216 modified "2023-09-28" @default.
• W4377821216 title "Chemodosimetric Mechanistic Insight through Trapping Intermediate for Selective Detection of Picric Acid in Aqueous Medium by a Dinuclear Cd^II Complex" @default.
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