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• W4285730015 abstract "We have designed and synthesized a novel simple colorimetric fluorescent probe with aggregation-induced emission (AIE) properties. Probe 5-(4-(diphenylamine)phenyl) thiophen-2-formaldehyde W exhibited a turn-on fluorescent response to cyanide ion (CN − ), which induces distinct visual color changes. Probe W exhibited a highly selective and sensitive ratiometric fluorescence response for the detection of CN − over a wide pH range (4–11) and in the presence of common interferents. The linear detection of CN − over the concentration range of 4.00–38.00 µM ( R 2 = 0.9916, RSD = 0.02) was monitored by UV-Vis absorption spectrometry (UV-Vis) with the limit of detection determined to be 0.48 µM. The linear detection of CN − over the concentration range of 8.00–38.00 µM was examined by fluorescence spectrophotometry ( R 2 = 0.99086, RSD = 0.031), and the detection limit was found to be 68.00 nM. The sensing mechanisms were confirmed by 1 H NMR spectroscopic titrations, X-ray crystallographic analysis, and HRMS. Importantly, probe W was found to show rapid response, high selectivity, and sensitivity for cyanide anions in real water samples, over the range of 100.17∼100.86% in artificial lake water and 100.54∼101.64% in running water by UV-Vis absorption spectrometry, and over the range of 99.42∼100.71% in artificial lake water and 100.59∼101.17% in running water by fluorescence spectrophotometry. Importantly, this work provides a simple and effective approach which uses an economically cheap and uncomplicated synthetic route for the selective, sensitive, and quantitative detection of CN − ions in systems relevant to the environment and health." @default.
• W4285730015 created "2022-07-18" @default.
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• W4285730015 date "2022-07-18" @default.
• W4285730015 modified "2023-10-05" @default.
• W4285730015 title "A Turn-On Fluorescent Chemosensor for Cyanide Ion Detection in Real Water Samples" @default.
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• W4285730015 doi "https://doi.org/10.3389/fchem.2022.923149" @default.
• W4285730015 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35923259" @default.
• W4285730015 hasPublicationYear "2022" @default.
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