So-called triple-quad instruments contain two quadrupoles for mass filtering flanking a third that acts as a collision cell. In MS mode, the quadrupole scans across an m/z range, sequentially ...

Boston-based PerkinElmer Life and Analytical Sciences has released the prOTOF™ 2000, the first commercially available matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) mass ...