Chemical Communications · 2017 · 74 citations · 32 references
EngineeringChemical EngineeringChemistryAnalytical ChemistryNanomaterialsNanotechnologyChemical SensorsElectrochemical DetectionNanomaterial-based BiosensorsNanosensorsOptical BiosensorsSignal Amplification StrategiesAnalytical Detection LimitsColorimetric BiosensorsColorimetric NanobiosensorsHeavy Metal DetectionHeavy Metal Ion BiosensorsHeavy Metal Ion SensorsLabel-free NanobiosensorsMetal Ion Sensing
This work reports a new nanosensor based on analyte-triggered autocatalytic amplification and label-free gold nanoparticles for the colorimetric detection of Hg<sup>2+</sup>, Cu<sup>2+</sup>and Ag<sup>+</sup>with detection limits less than 3 nM.
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