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Fluorescence detection and effective adsorption of trace Pb(II) based on nanofibrous metal-organic gel

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Chem Synth 2024;4:[Accepted].
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Abstract

Water pollution has become a global environmental problem, such as that caused by Pb(II). Therefore, there is an urgent need to develop multifunctional materials for Pb(II) monitoring and removal. Yet, developing bifunctional materials for sensitive detection and efficient removal of Pb(II) still keep challenging. Here, a metal-organic gel (HNU-G4) was constructed for sensible responsive detection and efficient adsorption of Pb(II). The dry gel was obtained through the freeze-dried process, and can be used for the Pb(II) detection by fluorescence quenching, the lowest limit of detection (LOD) for Pb(II) is 0.766 ppb. Furthermore, HNU-G4 has an effective maximum adsorption capacity of 480.00 mg·g-1 for Pb(II) in water. Not only that, the gel has excellent recoverability and interference resistance, which can be used in the detection and recovery of actual reclaimed water samples to prevent secondary contamination. This study developed a bifunctional gel material for sensitive detection and effective removal of Pb(II) from water, providing a suggested strategy to tackle the heavy metal-contamination problem.

Keywords

Metal-organic gel, Pb(II), adsorption, detection, reclaimed water

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Fang Y, Yu K, Ren G, Wang C, Zhou Q, Che G, Li M, Pan Q. Fluorescence detection and effective adsorption of trace Pb(II) based on nanofibrous metal-organic gel. Chem Synth 2024;4:[Accept]. http://dx.doi.org/10.20517/cs.2024.06

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© The Author(s) 2024. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, sharing, adaptation, distribution and reproduction in any medium or format, for any purpose, even commercially, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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