Anthraquinone coupled benzothiazole-based receptor for selective sensing of Cu2+

Nonconjugated Biocompatible Macromolecular Luminogens for Sensing and Removals of Fe(III) and Cu(II): DFT Studies on Selective Coordination(s) and On‐Off Sensing

“…[37,38] Recently, few fluorescent polymeric probes have been reported as Cu(II) and Fe(III) sensors. [39][40][41][42][43][44][45] For instance, in coumarin-based fluorogenic probe, the coumarin group and 2-amino-2-(hydroxymethyl)propane-1,3-diol are suitable as the fluorescent signaling and recognition sites of Fe(III), respectively, where the fluorescence quenches by the electron transfer from 2-amino-2-(hydroxymethyl)propane-1,3-diol to Fe(III). [39] The ratiometric fluorescent electrospun nanofibers have been developed by the blending of spirolactam rhodamine derivative (SRhBOH) and poly(nitrobenzoxadiazolyl derivative-co-N-(methylol)acrylamide-co-2-hydroxyethyl methacrylate) for the selective biding of SRhBOH with Fe(III) in acidic medium.…”

Nitrogen and sulfur co-doped fluorescent carbon dots for the trapping of Hg(ii) ions from water

“…27 In the literature, vast studies have been performed with a range of derivatives of benzothiazole to explore its application in the field of luminescent materials owing to its ability to generate UV-visible as well as fluorescent signals as a dual-channel probe. 28,29 Bearing in mind the utmost significance of the development of a selective and sensitive fluorescent probe for the detection of Hg 2+ ions, a novel sensor motif based on calix [4]arene modified with the benzothiazole moiety was developed. The calix [4]arene derivative was then employed to develop CDs using hydrothermal reaction and it was shown to exhibit a fluorescence ''turn-off'' response in the semi-aqueous medium towards Hg 2+ ions (5 mM; Tris-HCl buffer pH 7.4; DMSO/H 2 O 1 : 2, v/v).…”

A novel hexahydroquinazolin-2-amine-based fluorescence sensor for Cu2+ from isolongifolanone and its biological applications

“…A uorescence probe is a simple, fast, and sensitive way of detecting copper ions compared with traditional methods such as electrochemistry, 16 spectrophotometry, 17 voltammetry, 18 and atomic absorption spectroscopy. 19 Many sensitive uorescence probes for Cu 2+ have been reported, such as ferrocenyl, 20 benzimidazole, 21 benzothiazole, 22,23 pyrene, 24,25 BODIPY, 26,27 rhodamine, [28][29][30][31] etc. Pyrimidine is a typical nitrogen heterocyclic compound and has many structure sites that can be modied.…”