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A label-free colorimetric 3D paper-based device for ochratoxin A detection using G-quadruplex/hemin DNAzyme with a smartphone readout

Label-free Colorimetric 3DEngineeringBiochemistryPaper-based DeviceNatural SciencesBioanalysisDna AnalysisMolecular BiologySmartphone ReadoutAnalytical ChemistryClinical ChemistryAnalytical BiotechnologyBiomolecular EngineeringDiagnostic Device