SGS has invested in multiple highly sensitive and selective LC-MS/MS instruments at its Poitiers, France laboratory, for the quantification of proteins and peptide therapeutics.   The two systems installed and validated are a combination of the AB SCIEX 6500+ and Shimadzu X2 UPLC, which, according to the company, offers high specificity, a wide dynamic range, faster method development and the ability to quantify multiple proteins simultaneously. LC-MS/MS techniques have a number of advantages ...