Radiant energy – Ionic separation or analysis – Cyclically varying ion selecting field means
Reexamination Certificate
2006-04-18
2006-04-18
Nguyen, Kiet T. (Department: 2881)
Radiant energy
Ionic separation or analysis
Cyclically varying ion selecting field means
C250S293000
Reexamination Certificate
active
07030374
ABSTRACT:
The invention relates to a method and device for the fragmentation of macromolecules, preferably biomolecules, by electron capture in RF quadrupole ion trap mass spectrometers according to Wolfgang Paul. The invention comprises steering a beam of low energy electrons through a magnetic guide field exactly into an ion cloud in the center of the ion trap.
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DE, Search Report, Jun. 5, 2003.
Bruker Daltonik GmbH
Nguyen Kiet T.
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