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• W4200569380 endingPage "110006" @default.
• W4200569380 startingPage "110006" @default.
• W4200569380 abstract "In this study, six new acylthiourea, bearing naphthoquinone moiety, sensors were synthesized in high yield (88–96%) and characterized using 1 H/ 13 C NMR, FT-IR and HRMS techniques. All synthesized sensors ( 4a-f ) showed shifts in absorbance and colorimetric changes by CN − , F − , AcO − , and H 2 PO 4 − . However, 4e showed a chromogenic different sensitivity response to CN − and F − against competing anions such as AcO − and H 2 PO 4 − in DMSO. Furthermore, CN − added 4e showed an increase at the emission intensity and intensive fluorimetric color change was observed in UV-light (λex. 365 nm). All sensors showed chromogenic selectivity towards CN − in aqueous solutions (in DMSO/H 2 O: 1:1, v/v). Interaction mechanisms between 4e and CN − and F − anions were investigated by experimental studies using various spectroscopic methods such as UV/Vis, fluorescence, 1 H/ 19 F NMR, and DFT calculation. The results showed that CN − interacts with 4e by the main mechanism as nucleophilic addition of cyanide to 3,5-dinitrophenyl moiety while F − caused an occurrence of imidazole ring-closing due to deprotonation of NH 2 . LOD values are reported as 2.7 μM for sensor 4e . Moreover, interaction studies were carried out on food sample such as bitter almond, sprouting potato and apricot seed. Furthermore, UV/vis responses were obtained between sensors ( 4a-f ) and the cations, and found selectivity towards Hg 2+ in DMSO. Synthesis of Novel Acylthioureas Bearing Naphthoquinone Moiety as Dual Sensor for High-Performance Naked-Eye Colorimetric and Fluorescence Detection of CN − and F − ions and Its Application in Water and Food Samples. • New acylthioureas bearing naphthoquinone moiety as dual sensors are reported. • The sensors that can easily discriminate CN − and F − in DMSO are reported. • Sensors that can detect the Hg 2+ ions in DMSO are reported. • The sensors with high selectivity and low detection limit for CN − in aqueous media are reported. • The sensors that can also be applied to real samples are reported." @default.
• W4200569380 created "2021-12-31" @default.
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• W4200569380 date "2022-02-01" @default.
• W4200569380 modified "2023-10-16" @default.
• W4200569380 title "Synthesis of novel acylthioureas bearing naphthoquinone moiety as dual sensor for high-performance naked-eye colorimetric and fluorescence detection of CN− and F− ions and its application in water and food samples" @default.
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• W4200569380 doi "https://doi.org/10.1016/j.dyepig.2021.110006" @default.
• W4200569380 hasPublicationYear "2022" @default.
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