Mass spectrum analyzing system

Details Mass spectrum analyzing system Mass spectrum analyzing system

2005-07-12

2005-07-12

Berman, Jack I. (Department: 2881)

Radiant energy

Ionic separation or analysis

Methods

C250S281000, C436S173000, C702S027000

Reexamination Certificate

active

06917037

ABSTRACT:
The measurement throughput and the precision in sample identification are improved in a tandem type mass spectrograph. Thus, in a mass spectrum analyzing system utilizing a tandem type mass spectrograph in which the selection of an ionic species to serve as the measurement target, dissociation thereof and spectral measurement are repeated in n stages, the ionic species to be measured in MSnis selected based on the mass-to-charge ratios (m/z values) obtained as a result of the spectral analysis in MSn−1(n≧2), and this procedure is repeated until the sequence of a required number of amino acids is determined.

REFERENCES:
patent: 5404011 (1995-04-01), Wells et al.
patent: 6624408 (2003-09-01), Franzen
patent: 6745134 (2004-06-01), Kobayashi et al.
patent: 5-164751 (1993-06-01), None
patent: 2000-171442 (2000-06-01), None

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