Dual-mode colorimetric determination of As(III) based on negatively-charged aptamer-mediated aggregation of positively-charged AuNPs
Dongwei Zhang, Shaohua Chu, Lumei Wang, Xuejia Zhan, Pei Zhou, Dan Zhang
Topics & Concepts
ChemistryAptamerColloidal goldCysteamineDual modeIonChromatographyAnalytical Chemistry (journal)NanoparticleNanotechnologyBiochemistryOrganic chemistryMolecular biologyAerospace engineeringBiologyMaterials scienceEngineeringAdvanced biosensing and bioanalysis techniquesMolecular Sensors and Ion DetectionBiosensors and Analytical Detection