This application describes a single laboratory validation study with a rapid extraction of low concentrations of 30 PFAS in shrimp using the QuEChERS technique followed by LC-MS/MS analysis. Results show data met all criteria of AOAC SMPR 2023.003 with high precision, excellent recovery, and low Limit of Quantification (LOQ).
LC/MS Based Characterization Workflow of GLP-1 Therapeutic Peptide Liraglutide and Its Impurities
January 14th 2025This application note demonstrates a liquid chromatography/quadrupole time-of-flight mass spectrometer (LC/Q-TOF MS) workflow for the identification and characterization of therapeutic peptides.