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Novel lignin-derived carbon dots nanozyme cascade-amplified for ratiometric fluorescence detection of xanthine oxidase and intracellular imaging

EngineeringBiochemistryNanobiotechnologyBiomedical ImagingXanthine OxidaseRatiometric Fluorescence DetectionSingle-molecule DetectionNanosensorIntracellular ImagingChemical SensorMolecular ImagingBiomolecular Engineering