Blood Serum Proteomics (IMAGE) DOE/Pacific Northwest National Laboratory Caption Using liquid chromatography and mass spectrometry instrumentation, Pacific Northwest National Laboratory scientists identified and characterized nearly twice as many proteins in blood serum than previously noted, which provides a greater library of proteins to study for potential use in disease diagnosis. Credit Courtesy of Pacific Northwest National Laboratory. Usage Restrictions Image courtesy of Pacific Northwest National Laboratory. Use of image shall not claim any expressed or implied affiliation with, or endorsement by, Battelle Memorial Institute, Pacific Northwest National Laboratory or the U.S. Department of Energy. 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.