A newly designed fluorescence dye L based on di-2-picolyamine (DPA) moiety as a chelator was obtained under the protection of N at 120°C, and KI as catalyst with relatively better yield. More interestingly, L not only could selectively and sensitively detect Cu ions in aqueous medium but also examine the Cu ions of the actual water samples. Nevertheless, L could be visual in Hela cells with excellent cell permeability, viz, monitoring exogenous Cu ions as well as realizing an "on-off-on" process.
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| http://dx.doi.org/10.1016/j.saa.2018.02.023 | DOI Listing |
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