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• W4377695400 endingPage "131683" @default.
• W4377695400 startingPage "131683" @default.
• W4377695400 abstract "Mercury is one of the most toxic heavy metals, whose identification and separation are crucial for environmental remediation. Till now, it remains a significant challenge upon simultaneous detection and removal of Hg2+. Herein, bifunctional probe magnetic carbon dots were synthesized and optimized via systematic structure manipulation of the carbon and iron precursors towards fluorescence, Hg2+ adsorption and magnetic separation. The probe exhibited blue emission at 440 nm with high quantum yield of 55 % and a high paramagnetism with the saturation magnetization value of 22.70 emu/g. Furthermore, the fluorescent detection of Hg2+ with limit of 5.40 nM and high selectivity were achieved through surface structure manipulation with moderate -NH2, -SH and Fe contents. As a result, the magnetic removal of Hg2+ was consecutively effectuated with high removal efficiency of 98.30 %. The detection and recovery of Hg2+ in real samples were further verified and demonstrated the excellent environmental tolerance of probe. The reusability was viable with recycling at least three turns by external magnet. This work not only provides a promising approach for simultaneous detection and removal of heavy metal pollution, but also provides an excellent example as a versatile platform for multifunction integration via the structure manipulation for other applications." @default.
• W4377695400 created "2023-05-24" @default.
• W4377695400 creator A5018118165 @default.
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• W4377695400 date "2023-09-01" @default.
• W4377695400 modified "2023-10-17" @default.
• W4377695400 title "Controllable synthesis of bifunctional magnetic carbon dots for rapid fluorescent detection and reversible removal of Hg2+" @default.
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• W4377695400 doi "https://doi.org/10.1016/j.jhazmat.2023.131683" @default.
• W4377695400 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37276695" @default.
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