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A facile synthesis of a novel 4-hydroxyl-3-azo coumarin based colorimetric probes for detecting Hg²⁺ and a fluorescence turn-off response of 3CBD to Fe³⁺ in aqueous environment.

ABSTRACT: Two azo dyes, (E)-3-(benzo[d]thiazol-2-yldiazenyl)-4-hydroxy-2H-chromen-2-one (3CBD) and (E)-4-hydroxy-3-(quinolin-2-yldiazenyl)-2H-chromen-2-one (3CQD), were designed and synthesized using facile methods. The structures were validated through FTIR and NMR spectroscopy. The photophysical property analyses were further studied using UV-Vis and fluorescence spectrophotometers. Consequently, the absorption and emission spectra of 3CBD confirmed its selectivity of Hg²⁺ and turn-off response to Fe³⁺. On the other hand, the absorption spectra analysis of 3CQD demonstrated selectivity in the presence of Hg²⁺. The colorimetric investigations demonstrated a significant visual response specifically for Hg²⁺, enabling real

SUBMITTER: Hamukoshi S

PROVIDER: S-EPMC10614206 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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A facile synthesis of a novel 4-hydroxyl-3-azo coumarin based colorimetric probes for detecting Hg²⁺ and a fluorescence turn-off response of 3CBD to Fe³⁺ in aqueous environment.

OmicsDI is part of the ELIXIR infrastructure

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A facile synthesis of a novel 4-hydroxyl-3-azo coumarin based colorimetric probes for detecting Hg2+ and a fluorescence turn-off response of 3CBD to Fe3+ in aqueous environment.

OmicsDI is part of the ELIXIR infrastructure

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A facile synthesis of a novel 4-hydroxyl-3-azo coumarin based colorimetric probes for detecting Hg²⁺ and a fluorescence turn-off response of 3CBD to Fe³⁺ in aqueous environment.