Article Dans Une Revue Chemical Communications Année : 2022

Electrochemiluminescent enantioselective detection with chiral-imprinted mesoporous metal surfaces

Résumé

Chiral-imprinted mesoporous Pt-Ir alloy surfaces were combined in a synergetic way with electrochemiluminescence (ECL) to detect the two enantiomers of phenylalanine (PA) as a model compound, acting simultaneously as a chiral target and as a co-reactant to generate significant differences in ECL signals. The chiral features of the metal surfaces are converted into an enantioselective electrogeneration of the excited state of the [Ru(bpy)3]2+ dye, which in fine produces the differentiating light emission with up to 20-fold differences in intensity for the two enantiomers. These findings open up the possibility of developing new ECL-based bioassays and microscopy of chiral environments.

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hal-04050640 , version 1 (29-03-2023)

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Sopon Butcha, Jing Yu, Zikkawas Pasom, Bertrand Goudeau, Chularat Wattanakit, et al.. Electrochemiluminescent enantioselective detection with chiral-imprinted mesoporous metal surfaces. Chemical Communications, 2022, 58 (76), pp.10707-10710. ⟨10.1039/d2cc02562k⟩. ⟨hal-04050640⟩
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