Micromass UK Limited

Asish B Chakraborty

Jeffery Mark Brown

John Charles Gebler

Weibin Chen

Jeffrey Mark Brown

A mass spectrometer is disclosed wherein highly charged fragment ions resulting from Electron Transfer Dissociation fragmentation of parent ions are reduced in charge state within a Proton Transfer Reaction cell by reacting the fragment ions with a neutral superbase reagent gas such as Octahydropyrimidolazepine.

Method of charge reduction of electron transfer dissociation product ions

A mass spectrometer is disclosed wherein highly charged fragment ions resulting from Electron Transfer Dissociation fragmentation of parent ions are reduced in charge state within a Proton Transfer Reaction cellby reacting the fragment ions with a neutral superbase reagent gas such as Octahydropyrimidolazepine.

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Milford, MA, United States of America

Asish B Chakraborty