title: Electrophoretic ion migration directly to probe can concentrate charged analyte species for matrix-assisted laser desorption/ionization mass spectrometry.
authors.forename: Zhi-Hong
authors.initials: ZH
authors.lastname: Cheng
authors.forename: Yue-Bo
authors.initials: YB
authors.lastname: Wang
authors.forename: Yin-Long
authors.initials: YL
authors.lastname: Guo
mesh_terms: D000470:Alkaloids / Q000032:analysis*; D001600:Berberine Alkaloids / Q000032:analysis*; D031311:Corydalis / Q000737:chemistry; D009113:Muramidase / Q000032:analysis*; D009211:Myoglobin / Q000032:analysis*; D010936:Plant Extracts / Q000032:analysis; D000644:Quaternary Ammonium Compounds / Q000032:analysis*; D019032:Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / Q000379:methods*
chemical_list: D000470:Alkaloids; D001600:Berberine Alkaloids; D009211:Myoglobin; D010936:Plant Extracts; D000644:Quaternary Ammonium Compounds; C009405:tetrabutylammonium; D009113:Muramidase; C005413:palmatine