Zhan, Liujuan Agarose hydrogel-enhanced paper spray ionization mass spectrometry for metabolite detection in raw urine. [electronic resource] - The Analyst Mar 2020 - 2118-2124 p. digital Publication Type: Journal Article ISSN: 1364-5528 Standard No.: 10.1039/c9an02624j doi Subjects--Topical Terms: AnimalsEquipment DesignHumansHydrogels--chemistryMetabolomeMetabolomics--instrumentationMicePaperPharmaceutical Preparations--metabolismSepharose--chemistrySpectrometry, Mass, Electrospray Ionization--instrumentationUrine--chemistry