DNA aptamer-based non-faradaic impedance biosensor for detecting E. coli
Abdelrasoul GN, Anwar A, MacKay S, Tamura M, Shah MA, Khasa DP, Montgomery RR, Ko AI, Chen J. DNA aptamer-based non-faradaic impedance biosensor for detecting E. coli. Analytica Chimica Acta 2020, 1107: 135-144. PMID: 32200887, DOI: 10.1016/j.aca.2020.02.004.Peer-Reviewed Original ResearchConceptsField-emission scanning electron microscopyImpedance-based biosensorAtomic force microscopySelf-assembled monolayersInterdigitated ElectrodesIDE surfaceSubstrate materialEmission scanning electron microscopyMolecular recognition elementsEnzyme-linked immunosorbent assayConventional detection approachesScanning electron microscopyIDE arrayImpedance biosensorLimit of detectionForce microscopyBiosensorSurface chemistryAptamerPolymerase chain reaction assaysRecognition elementThiol mixturesElectron microscopyEnvironmental monitoringChain reaction assays