Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Biological or biochemical
Reexamination Certificate
2008-03-28
2010-06-22
Nguyen, Kiet T (Department: 2881)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Biological or biochemical
C702S002000
Reexamination Certificate
active
07742879
ABSTRACT:
The results of mass spectrometry are compared; correspondences are established between individual components contained in different samples; the results of establishment of correspondences are checked; and varying components are extracted. At least two samples are compared with respect to the ion intensity corresponding to retention times and mass-to-charge ratios obtained by chromatography-mass spectrometry on the samples having a plurality of components. In ion groups observed as mass spectra, a correspondence between the retention times at which the same component is supposed to be observed is established by determining coincidence between the mass-to-charge ratios and determining that the ion intensity fall within a designated variation.
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Hitachi High-Technologies Corporation
McDermott Will & Emery LLP
Nguyen Kiet T
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