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A metal-organic frameworks (MOFs), [Cu(PDA)(DMF)] was synthesized under mild mixed solvothermal conditions. It is constructed by 1,10-Phenanthroline-2,9-dicarboxylic acid (H2PDA) and Cu2+ ions. The complex exhibits high peroxidase-like activity and can… Click to show full abstract
A metal-organic frameworks (MOFs), [Cu(PDA)(DMF)] was synthesized under mild mixed solvothermal conditions. It is constructed by 1,10-Phenanthroline-2,9-dicarboxylic acid (H2PDA) and Cu2+ ions. The complex exhibits high peroxidase-like activity and can catalytically oxidize the colorless substrate 3,3',5,5'-tetramethylbenzidine to a blue product in the presence of H2O2. However, the peroxidase-like activity of [Cu(PDA)(DMF)] can be potently inhibited in the presence of dopamine. Based on this phenomenon, colorimetric detection of dopamine was demonstrated with good selectivity and high sensitivity. The [Cu(PDA)(DMF)] showed good stability and robust catalytic activity, which has been employed in the detection of dopamine in human urine and pharmaceutical samples.
Journal Title: ACS applied materials & interfaces
Year Published: 2019
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