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Supercritical fluid extraction (SFE) followed by supramolecular solvents microextraction (SUPRAS) has been developed for extraction and determination of levonorgestrel (LeV) and megestrol acetate (MA) in blood samples. LeV and MA were employed as model compounds to assess the extraction procedure and were determined by high performance liquid chromatography coupled with ultraviolet detection. SUPRAS...
A new pretreatment method, solid-phase extraction combined with supramolecular solvents, was proposed for the first time for extraction of diclofenac (DIC) and mefenamic acid (MEF) from urine and water samples. Supramolecular solvent (SUPRAS) is a nano-structured liquid, generated from the amphiphiles through a sequential self-assembly process occurring on two scales, molecular and nano. SUPRAS tested...
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