SGS, a leading bio/pharmaceutical, analytical and bioanalytical contract solutions provider, today announced that it 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, which are now installed and validated, are a combination of the AB SCIEX 6500+ and Shimadzu X2 UPLC, which 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 over standard conventions for protein and peptide quantitation, which are based on ligand-binding assays (LBAs) such as the enzyme-linked immunosorbent assay (ELISA). Assay development can often be time-consuming and expensive and, in addition, LBA results are often plagued by interferences and high background from antibody cross-reactivity.
“Mass spectrometry platforms have universal applicability, providing one technique for a large diversity of analytes,” commented Dr. Walid Elbast, Director LC-MS at SGS Poitiers. “All types of proteins and peptides can be quantified by LC/MS/MS without exception, and a wide diversity of other biomolecules such as lipids and carbohydrates can also be quantified, providing researchers with a highly sensitive, selective and flexible bioanalytical platform.”
With 21 laboratories offering contract analytical and bioanalytical services, SGS leverages its wholly-owned global network, present in North America, Europe, and Asia, to deliver harmonized solutions to large pharmaceutical and biotechnology firms. In addition to testing services for the bio/pharmaceutical market, SGS also provides Phase I-IV clinical trial management, and services encompassing data management and statistics, PK/PD modeling and simulation, pharmacovigilance and regulatory consultancy.
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