Radiant energy – Ionic separation or analysis – Methods
Reexamination Certificate
2007-12-25
2007-12-25
Vanore, David A. (Department: 2881)
Radiant energy
Ionic separation or analysis
Methods
C250S288000
Reexamination Certificate
active
11077105
ABSTRACT:
A method of controlling the population of ions in a mass spectrometer in which a first sample of ions is provided in the mass spectrometer, a measure of abundance of a species of interest in the first sample of ions is determined, the measure of abundance comprising an intensity value, and a second sample of ions is introduced into the mass spectrometer. The second sample of ions is introduced in an amount determined at least in part on the measure of abundance of the species of interest in the first sample of ions.
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Belov, Mikhail, E. et al, “Automated Gain Control and Internal Calibration with External Ion Accumulation Capillary Liquid Chromatography-Electrospray Ionization-Fourier Transform Ion Cyclotron Resonance.,” Anal. Chem., vol. 75 (No. 16), p. 4195-4205, (Aug. 15, 2003).
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Earley Lee
Hardman Mark
Heller Rexford T.
Land Adrian
Senko Michael W.
Allred David E.
Fish & Richardson P.C.
Thermo Finnigan LLC
Upham Sharon
Vanore David A.
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