Ion fragmentation by reaction with excited neutral particles

Zubarev Roman (Opfinder), Misharin Alexander (Opfinder), Silivra Oleg (Opfinder), Kjeldsen Frank (Opfinder), Holle Armin (Opfinder)

Publikation: Patent

Abstrakt

A method for the fragmentation of analyte ions 6 comprises causing the analyte ions 6 to react with excited or radical neutral particles 8. In the case of bombardment of analyte ions with helium atoms from an FAB generator (9-14), a new type of fragmentation occurs which strongly resembles fragmentation by electron capture (ECD). The reactions may be performed in magnetic ion traps (ion cyclotron resonance cells, ICR), in RF ion traps according to Wolfgang Paul, in RF ion guides, or in free beams of analyte ions or neutral particles. In an another embodiment the invention comprises a mass spectrometer which utilise the above fragmentation technique.

OriginalsprogEngelsk
IPCH01J 49/ 42 A I
PatentnummerGB2423631
LandDanmark
Prioritetsdato07/02/2005
PrioritetsnummerDE20051005743
StatusUdgivet - 30. aug. 2006

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