Zheng, Jing Simple and robust two-layer matrix/sample preparation method for MALDI MS/MS analysis of peptides. [electronic resource] - Journal of proteome research - 1709-16 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1535-3893 Standard No.: 10.1021/pr050157w doi Subjects--Topical Terms: Cell Line, TumorDetergents--pharmacologyElectrophoresis, Gel, Two-DimensionalHumansMembrane Microdomains--chemistryPeptides--chemistryPhosphorylationProteomeProteomics--methodsReproducibility of ResultsSalts--pharmacologySignal TransductionSilver StainingSpectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization--methodsSurface-Active Agents--pharmacologyThreonine--chemistry