Title:
MASS-SPECTROMETRY-DATA PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/002233
Kind Code:
A1
Abstract:
Non-use-indication information can be set as attribute information for each peak in mass spectra recorded in a compound database (33), said non-use-indication information being capable of selecting whether the peaks are to be used in database searches. The non-use-indication information is set in advance for noise peaks and contaminant-derived peaks included during actual measurement. During compound identification, when the mass spectra and the non-use-indication information are read from the database (33) in order to perform a database search, an unnecessary-information deletion unit (341) transmits, to a compound-candidate extraction unit (342) and a scoring unit (343), the mass spectra having had, deleted therefrom, the peaks for which the non-use-indication information is set. Accordingly, the peaks for which the non-use-indication information is set are disregarded when calculating the scores of compound candidates, scores having higher accuracy are calculated, and identification accuracy can be improved.
Inventors:
KAGEYAMA TETSUYA (JP)
UMEMURA YOSHIKATSU (JP)
UMEMURA YOSHIKATSU (JP)
Application Number:
PCT/JP2015/050622
Publication Date:
January 07, 2016
Filing Date:
January 13, 2015
Export Citation:
Assignee:
SHIMADZU CORP (JP)
International Classes:
G01N27/62
Foreign References:
| JP2001249114A | 2001-09-14 | |||
| JP2007287531A | 2007-11-01 | |||
| JPH05149935A | 1993-06-15 | |||
| US5939612A | 1999-08-17 |
Other References:
MICHIKO UEBORI ET AL.: "Study on Mass Spectral Database Obtained by Liquid Chromatography/Mass Spectrometry for Retrieval System of Chemicals", JOURNAL OF JAPAN SOCIETY FOR ANALYTICAL CHEMISTRY, vol. 54, no. 3, 5 March 2005 (2005-03-05), pages 211 - 219, XP055169392
TAKAAKI NISHIOKA: "Taisha Busshitsu no Mass Spectrum Database", ANNUAL REPORT OF INSTITUTE OF NATURAL MEDICINE UNIVERSITY OF TOYAMA, vol. 34, 31 March 2008 (2008-03-31), pages 5 - 12, XP055354032
See also references of EP 3165912A4
TAKAAKI NISHIOKA: "Taisha Busshitsu no Mass Spectrum Database", ANNUAL REPORT OF INSTITUTE OF NATURAL MEDICINE UNIVERSITY OF TOYAMA, vol. 34, 31 March 2008 (2008-03-31), pages 5 - 12, XP055354032
See also references of EP 3165912A4
Attorney, Agent or Firm:
Kyoto International Patent Law Office (JP)
Patent business corporation Kyoto international patent firm (JP)
Patent business corporation Kyoto international patent firm (JP)
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