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Kang K, Du X, Shi L, Peng Z, Zhang X, Liu B, Yue G, Wang L, Wang Z, Chen S. Selective detection of ionic liquid fluorescence probes for visual colorimetry of different metal ions. ENVIRONMENTAL RESEARCH 2024; 242:117791. [PMID: 38043897 DOI: 10.1016/j.envres.2023.117791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 12/05/2023]
Abstract
At present, the fast distinction of different metal ions in pure water media is not only a great challenge, but also drives the protection of water quality in environmental water bodies. In this paper, a novel ionic liquid fluorescent probe Glycolic Acid-L-Arginine (GA-L-Arg) was rationally created and designed through an in-depth study of ionic liquids. It is also used as an innovative multi-ion fluorescent probe for colorimetric detection and separate identification of Fe3+ and Co2+ in aqueous solutions of various metal ions. GA-L-Arg has excellent water solubility due to the strong hydrophilicity of Glycolic Acid and L-Arginine. The probe showed high sensitivity, extremely significant selectivity, and great pH stability for Fe3+ and Co2+ in pure water. The GA-L-Arg structure and the mechanism of Fe3+ and Co2+ detection were analyzed by infrared spectroscopic characterization and quantum chemical calculations. More importantly, the distinct colorimetric partitioning of Fe3+ and Co2+ was performed by the unique extraction of Fe3+ in the presence of the fluorescent probe and buffer solution.
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Affiliation(s)
- Kaiming Kang
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050000, PR China; Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, Hebei, 050000, PR China
| | - Xiaohan Du
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050000, PR China; Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, Hebei, 050000, PR China
| | - Lei Shi
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050000, PR China; Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, Hebei, 050000, PR China
| | - Zhixiao Peng
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, Hebei, 050000, PR China; School of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050000, PR China
| | - Xiaojie Zhang
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, Hebei, 050000, PR China; School of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050000, PR China
| | - Baoyou Liu
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050000, PR China; Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, Hebei, 050000, PR China.
| | - Gang Yue
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050000, PR China; Ningxia Hui Autonomous Region Screen Display Organic Materials Engineering Technology Research Center, Ningxia Sinostar Display Material Co., Ltd, Yinchuan, Ningxia, 750000, PR China
| | - Limin Wang
- Ningxia Hui Autonomous Region Screen Display Organic Materials Engineering Technology Research Center, Ningxia Sinostar Display Material Co., Ltd, Yinchuan, Ningxia, 750000, PR China
| | - Zhiqiang Wang
- Ningxia Hui Autonomous Region Screen Display Organic Materials Engineering Technology Research Center, Ningxia Sinostar Display Material Co., Ltd, Yinchuan, Ningxia, 750000, PR China
| | - Shaohua Chen
- Ningxia Hui Autonomous Region Screen Display Organic Materials Engineering Technology Research Center, Ningxia Sinostar Display Material Co., Ltd, Yinchuan, Ningxia, 750000, PR China
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N, S, P-Codoped Graphene-Supported Ag-MnFe2O4 Heterojunction Nanoparticles as Bifunctional Oxygen Electrocatalyst with High Efficiency. Catalysts 2021. [DOI: 10.3390/catal11121550] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Due to slow kinetics of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) during discharging and charging processes, it is essential to rationally design and synthesize non-precious metal bifunctional electrocatalysts with good performance for metal-air batteries. Herein, Ag-MnFe2O4 heterojunction nanoparticles supported on N, S, P-codoped graphene (NSPG) are developed with enhanced ORR and OER bifunctional electrocatalytic activities and stability. In contrast, S, P-doped graphene (SPG) and N, P-doped graphene (NPG) show less stabilization for the heterojunction particles. For example, under alkaline conditions, the ORR half-wave potential of Ag-MnFe2O4/NSPG can reach 0.831 V, and the over potential for OER is 0.56 V at the current density 10 mA·cm−2. Furthermore, Ag-MnFe2O4/NSPG shows better methanol resistance and durability than Pt/C catalysts.
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Vardhanapu S, Khan SS, Vijayakrishnan R, Ranjan H, Talluri B, Thomas T. Modelling thermochemical reversible dot-to-rod transformation in colloidal nanomaterials. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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