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• W3217711105 endingPage "113693" @default.
• W3217711105 startingPage "113693" @default.
• W3217711105 abstract "• A simple carbazole derived Schiff base chemosensor C1 was synthesized and utilized as a fluorescent chemosensor for sequential detection of Fe 3+ and Arginine. • The sensor C1 exposes specific response toward Fe 3+ and Arginine over various potentially competing cations and amino acids. • An intramolecular charge transfer (ICT) based sensing approach has been confirmed upon the binding of Fe 3+ with efficient fluorescence quenching. • Nanomolar detection limit of 12.22 × 10 −9 M is achieved for Fe 3+ detection. • For application point of view, on-site monitoring, Logic gate and living cells fluorescence imaging were additionally investigated. A simple carbazole derived Schiff base fluorescent chemosensor ( C1 ) has been synthesized and characterized successfully to recognize sequentially Fe 3+ ion and an amino acid, arginine (Arg). The chemosensor ( C1) shows specific response “on–off-on” towards Fe 3+ and Arg among different competing cations and amino acids. Interestingly, the fluorescence emission got turned-off for C1 -Fe 3+ complex and turned-on for the detection of arginine. The binding ability of sensor C1 with Fe 3+ and arginine was advocated using fluorometric titrations, Job’s plot, B-H plot and density functional theory studies (DFT). The significant color changes of sensor C1 from aqua blue to transparent blue to aqua blue were monitored under UV-lamp of 365 nm during the sensing process, which additionally supported the complex formation. The sensor C1 accomplishes the lowest detection limit of 12.22 × 10 −9 M and binding constant of 2.09 × 10 4 M −1 for Fe 3+ detection. This efficient fluorescent candidate was utilized for the detection of Fe 3+ in applications such as molecular logic gate, smart-phone based on-site detection, live cell bio-imaging and real sample analysis." @default.
• W3217711105 created "2021-12-06" @default.
• W3217711105 creator A5008086903 @default.
• W3217711105 creator A5013907646 @default.
• W3217711105 creator A5023128808 @default.
• W3217711105 creator A5041741433 @default.
• W3217711105 creator A5043428970 @default.
• W3217711105 creator A5058137763 @default.
• W3217711105 creator A5066865002 @default.
• W3217711105 creator A5075853405 @default.
• W3217711105 creator A5080831686 @default.
• W3217711105 date "2022-03-01" @default.
• W3217711105 modified "2023-09-29" @default.
• W3217711105 title "A single carbazole based chemosensor for multiple targets: Sensing of Fe3+ and arginine by fluorimetry and its applications" @default.
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