The Journal of the American Society for Mass Spectrometry (usually abbreviated as J. Am. Soc. Mass Spectrom. or JASMS), is a peer-reviewed scientific journal published since 1990 by Elsevier. The monthly journal is the official publication of the American Society for Mass Spectrometry and publishes original research papers covering all aspects of mass spectrometry. Prof. Michael L. Gross of Washington University in St. Louis has been Editor-in-Chief since the inception of the journal.