Targeted Proteomics (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This is a schematic of the targeted proteomics technique in which a peptide mass and a specific fragment mass are selected for SRM mass spectrometry analysis to identify and quantify a target protein. Credit Image from Christopher Petzold Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.