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G-triplex/hemin DNAzyme mediated colorimetric aptasensor for Escherichia coli O157:H7 detection based on exonuclease III-assisted amplification and aptamers-functionalized magnetic beads

G-triplex/hemin DnazymeEngineeringMedicineBioanalysisH7 DetectionBiotechnologyNucleic Acid Amplification TestOligonucleotideNucleic Acid AmplificationEscherichia Coli O157MicrobiologyAnalytical BiotechnologyMolecular DiagnosticsBiomolecular Engineering