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A near-infrared (NIR) fluorescence probe for copper(Ⅱ) ions (Cu2+) has been synthesized and demonstrated that it could selectively and sensitively react with Cu2+ through specific coordination reaction. ESI-Mass and Job’s plot confirmed a stoichiometric ratio of 2–1 between the probe molecules and Cu2+. This NIR fluorescence probe shows a fast response, high sensitivity and anti-interference performance...
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