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- W2606667659 abstract "The development of chemosensor materials is crucial for the early detection of hazardous materials, such as heavy metal ions and infectious viruses. In this study, three rhodamine B (RhB) derivatives (referred to as Rh-OS, Rh-OO, and Rh-SO) bearing a morpholine-type 6-membered ring as colorimetric, fluorescent sensors were synthesized, and fluorescence responses to various metal ions (Fe3+, Fe2+, Pb2+, Cr6+, Ce2+, Mn2+, Cd2+, Hg2+, K+, Na+, Mg2+, Li+, Ca2+, As3+, Co2+, Cu2+, Ni2+, and Zn2+) were investigated. Rh-OS, Rh-OO, and Rh-SO exhibited high sensitivity to Fe2+ and Fe3+, with the formation of a 1:1 (ligand: metal) complex, as evidenced by the UV–vis absorption and photoluminescence spectra. Luminescence turn-on was explained by the transfer of resonance energy from the morpholine-type moiety to the RhB framework. In addition, the selectivity of Fe3+ and Fe2+ was evaluated by 2D and 3D photoluminescence imaging." @default.
- W2606667659 created "2017-04-28" @default.
- W2606667659 creator A5013081684 @default.
- W2606667659 creator A5029590756 @default.
- W2606667659 creator A5035286820 @default.
- W2606667659 creator A5042613245 @default.
- W2606667659 creator A5055292687 @default.
- W2606667659 creator A5089748431 @default.
- W2606667659 date "2017-09-01" @default.
- W2606667659 modified "2023-10-02" @default.
- W2606667659 title "Selective and sensitive morpholine-type rhodamine B-based colorimetric and fluorescent chemosensor for Fe(III) and Fe(II)" @default.
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