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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2016 Jul 25;28(1):14–20. doi: 10.1007/s13361-016-1440-y

Figure 2.

Figure 2

Intact nonenveloped tobacco mosaic and Norwalk viruses were electrosprayed into a time-of-flight (TOF) mass spectrometer with Benner’s charge detection MS (a) and, more recently (b) a modified commercial TOF instrument.