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An ultra-high-sensitivity electrochemiluminescence aptasensor for Pb2+ detection based on the synergistic signal-amplification strategy of quencher abscission and G-quadruplex generation

EngineeringBiochemistryBiosensing SystemsBiomedical DiagnosticsBioelectronicsQuencher AbscissionPb2+ DetectionUltra-high-sensitivity Electrochemiluminescence AptasensorElectroanalytical SensorChemical SensorBiomolecular Engineering