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- W3127823415 abstract "Hg2+ has a significant hazardous impact on the environmentand ecosystem. There is a great demand for new methods with high selectivityand sensitivity to determine mercury in life systems and environments.In this paper, a novel turn-on Hg2+ fluorescent probe hasbeen reported with a naphthalimide group. The Hg2+ fluorescentprobe was designed by the inspiration of the well-known specific Hg2+-triggered thioacetal deprotection reaction. A 1,2-dithioalkylgroup was chosen as the specific recognition site of Hg2+. The probe showed weak fluorescence without Hg2+, andthe color of the solution was light yellow. In the presence of Hg2+, the probe reacted specifically with the mercury ion toproduce an aldehyde and emitted strong fluorescence, and the colorof the solution also turned light green, thus realizing the monitoringof the mercury ion. The Hg2+ fluorescent probe showed outstandingsensitivity and selectivity toward Hg2+. Furthermore, theHg2+ fluorescent probe could work in a wide pH range. Thelinear relationship between the fluorescence intensity at 510 nm andthe concentration of Hg2+ was obtained in a range of Hg2+ concentration from 2.5 × 10–7 to1.0 × 10–5 M. The detection limit was foundto be 4.0 × 10–8 M for Hg2+. Furthermore,with little cell toxicity, the probe was successfully applied to theconfocal image of Hg2+ in PC-12 cells." @default.
- W3127823415 created "2021-02-15" @default.
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- W3127823415 date "2020-07-14" @default.
- W3127823415 modified "2023-09-23" @default.
- W3127823415 title "A Highly Selective Fluorescent Probe for Hg2+ Based ona 1,8-Naphthalimide Derivative" @default.
- W3127823415 doi "https://doi.org/10.1021/acsomega.0c01790.s001" @default.
- W3127823415 hasPublicationYear "2020" @default.
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