Traditional solid phase extraction (SPE) revolutionized sample preparation, but it often involves high solvent consumption and complex procedures. Micro solid phase extraction (μSPE) offers a ...
Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States Chemistry-Biology Interface Program, Zanvyl Krieger School of ...
High-performance liquid chromatography (HPLC) grade water from Fisher Chemical (Fair Lawn ... a 14-gauge polytetrafluoroethylene (PTFE) tubing was used. The PTFE tubing had a poly hub needle inserted ...
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