Publication | Closed Access

Magnetic solid-phase extraction based on methylcellulose coated-Fe3O4–SiO2–phenyl for HPLC–DAD analysis of sildenafil and its metabolite in biological samples

MagnetismHplc–dad AnalysisEngineeringSeparation ScienceMedicineBioanalysisMagnetic ResonanceMethylcellulose Coated-fe3o4–sio2–phenylMagnetic Solid-phase ExtractionAnalytical ChemistryLiquid ChromatographyChromatographic AnalysisPharmacologyChromatographyDrug Analysis