Mass spectrometer by Adam Glanzman April 4, 2018 Share Facebook LinkedIn Twitter David Perlman, senior research scientist in the Slavov Lab, works on the single cell mass spectrometer in Mugar on April 3, 2018. Photo by Adam Glanzman/Northeastern University David Perlman, senior research scientist in the Slavov Lab, works on a single cell mass spectrometer in the Mugar Life Sciences Building on Tuesday. Photo by Adam Glanzman/Northeastern University