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Highly sensitive and selective naked-eye detection of Cu2+ in aqueous medium by a ninhydrin–quinoxaline derivative

Inorganic ChemistryAqueous MediumEngineeringBiochemistryNinhydrin–quinoxaline DerivativeNatural SciencesBioactive MetalOrganic ChemistryAnalytical ChemistrySelective Naked-eye DetectionElectroanalytical SensorChemistryChemical ProbeCation SensingChemical Sensor