Electrochemical aptasensor for<i>Escherichia coli</i>O157:H7 bacteria detection using a nanocomposite of reduced graphene oxide, gold nanoparticles and polyvinyl alcohol
Masood Qaanei, Ramezan Ali Taheri, Khadijeh Eskandari
Abstract
. The suitability of the proposed sensor for real sample measurements was investigated by recovery studies in tap water, milk, and meat samples. The results showed that the biosensor and traditional culture counting methods are equally sensitive for detecting E. coli.
Topics & Concepts
Escherichia coliPolyvinyl alcoholColloidal goldAptamerGrapheneNanocompositeElectrochemistryNanoparticleElectrodeMaterials scienceGlassy carbonChemistryNanotechnologyBiologyOrganic chemistryMolecular biologyBiochemistryGeneCyclic voltammetryPhysical chemistryAdvanced biosensing and bioanalysis techniquesBiosensors and Analytical DetectionSARS-CoV-2 detection and testing