Kulkarni, Sameer Sol-gel immobilized short-chain poly(ethylene glycol) coating for capillary microextraction of underivatized polar analytes. [electronic resource] - Journal of chromatography. A Dec 2007 - 50-62 p. digital Publication Type: Journal Article ISSN: 0021-9673 Standard No.: 10.1016/j.chroma.2007.10.082 doi Subjects--Topical Terms: 1-Octanol--chemistryAlcohols--isolation & purificationAmines--isolation & purificationChromatography, GasFatty Acids--isolation & purificationGelsHydrolysisMicroscopy, Electron, ScanningOrganic Chemicals--isolation & purificationPhenols--isolation & purificationPolyethylene Glycols--chemistryReproducibility of ResultsSilanes--chemistrySilicon Dioxide--chemistrySolid Phase Microextraction--methodsSolventsTemperature