Pierce LC-MS/MS System Suitability Standard (7 x 5 mixture) contains seven HeavyPeptide AQUA Ultimate peptides provided at five dilutions distinguished by differential isotopic labeling to assess sensitivity and dynamic range of LC-MS/MS systems.
SureQuant Phosphopeptide Standards enable assessment of LC-MS/MS system suitability for phosphopeptide analysis and multiplexed quantitation of phosphorylation of 89 key target proteins from 7 signaling pathways using LC-MS/MS analysis.