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Triazole-Linked Quinoline Conjugate of Glucopyranose: Selectivity Comparison among Zn²⁺, Cd²⁺, and Hg²⁺ Based on Spectroscopy, Thermodynamics, and Microscopy, and Reversible Sensing of Zn²⁺ and the Structure of the Complex Using DFT.

ABSTRACT: A water-soluble triazole-linked quinoline conjugate of glucopyranose (L) has been synthesized and characterized, and its single-crystal X-ray diffraction (XRD) structure has been established. Binding of L toward different biologically relevant metal ions has been studied using fluorescence and absorption spectroscopy in HEPES buffer at pH 7.4. The conjugate L detects Zn²⁺ and Cd²⁺ with 30 ± 2 and 14 ± 1-fold fluorescence enhancement, respectively, but in the case of Hg²⁺, only a fluorescence quench was observed. The stoichiometry of the complex is 1:2 metal ion to the ligand in the case of Zn²⁺ and Cd²⁺ resulting in [Zn(L)₂] and [Cd(L)₂], and it is 1:1 in the case of Hg²⁺

SUBMITTER: Areti S

PROVIDER: S-EPMC6640762 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Triazole-Linked Quinoline Conjugate of Glucopyranose: Selectivity Comparison among Zn²⁺, Cd²⁺, and Hg²⁺ Based on Spectroscopy, Thermodynamics, and Microscopy, and Reversible Sensing of Zn²⁺ and the Structure of the Complex Using DFT.

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Triazole-Linked Quinoline Conjugate of Glucopyranose: Selectivity Comparison among Zn2+, Cd2+, and Hg2+ Based on Spectroscopy, Thermodynamics, and Microscopy, and Reversible Sensing of Zn2+ and the Structure of the Complex Using DFT.

OmicsDI is part of the ELIXIR infrastructure

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Triazole-Linked Quinoline Conjugate of Glucopyranose: Selectivity Comparison among Zn²⁺, Cd²⁺, and Hg²⁺ Based on Spectroscopy, Thermodynamics, and Microscopy, and Reversible Sensing of Zn²⁺ and the Structure of the Complex Using DFT.