Sigma-Aldrich Corp. signed an OEM agreement with AB SCIEX to globally distribute its mass spectrometry based tagging chemistries called SCIEX iChemistry Solutions for applications in basic research and applied markets. The agreement expands Sigma-Aldrich’s portfolio of reagents for mass spectrometry-based protein research.   “Mass spectrometry is a rapidly growing platform driving basic proteomics research, biomarker discovery and drug development. Particularly in the Asia-Pacific region, ...