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- W2420596593 abstract "Development of water-soluble chemosensors that are selective and sensitive to Cu2+ ions is of tremendous importance owing to their potential applications in biological systems. In the present work, we report the synthesis of a new water-soluble polymer containing pendant rhodamine units that are capable of highly selective and sensitive detection of Cu2+ ions in aqueous medium. Poly(2-pyrrolidinemethyl acrylate) was prepared using RAFT polymerization technique. The pyrrolidine nitrogen group in the polymer was subjected to Aza-Michael type addition with ethyl acrylate that was followed by covalent linking of rhodamine units to the polymer. This polymer was completely water-soluble and found to be capable of sensing Cu2+ ions in aqueous medium. Cu2+-induced opening of the spirolactam ring of the rhodamine units resulted in rapid and easily noticeable colour change, thus enabling a highly selective detection of Cu2+ in μmol range. The ability of these polymeric systems to detect Cu2+ ions in complete aqueous media has more importance than use of organic solvents to solubilize the polymer as reported previously, and thus opened a new window for application of these systems in the detection of copper ions in biological systems." @default.
- W2420596593 created "2016-06-24" @default.
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- W2420596593 date "2016-06-17" @default.
- W2420596593 modified "2023-10-01" @default.
- W2420596593 title "Water-soluble polymeric chemosensor for detection of Cu<sup>2+</sup>ions with high selectivity and sensitivity" @default.
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- W2420596593 doi "https://doi.org/10.1080/15685551.2016.1199111" @default.
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