Definition of "microextraction" []

• A technique used to extract small amounts of material from a mixture (noun)

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• "(SPME) and thin-film microextraction (TFME) in a 96-well plate format for high-throughput analysis of drugs, metabolites and any other analytes of interest in biological fluids using liquid chromatography-electrospray tandem mass spectrometry."
• "This protocol describes how to perform automated solid-phase microextraction"
• "Chemical analyses were also performed using headspace-single drop microextraction and gas chromatography-mass spectrometry (GC-MS)."