Tetrahedral DNA-linked aptamer-antibody-based sandwich-type electrochemical sensor with Ag@Au core-shell nanoparticles as a signal amplifier for highly sensitive detection of α-fetoprotein
Xiaoying Pei, Junhong Liu, Yulong Zhang, Yan Huang, Zhongfang Li, Xueliang Niu, Weili Zhang, Wei Sun
Topics & Concepts
AptamerDetection limitElectrochemistryElectrodeElectrochemical gas sensorBioanalysisMaterials scienceColloidal goldNanoparticleNanochemistryNanotechnologySelectivityChemistryAnalytical Chemistry (journal)CatalysisChromatographyPhysical chemistryBiochemistryBiologyGeneticsAdvanced biosensing and bioanalysis techniquesSARS-CoV-2 detection and testingBiosensors and Analytical Detection