Hi Kym,
You could you use TraceFinder (or the older ExactFinder). If you use
chromatogram 2 as the background to be subtracted, you will get the
differences. You'd need to do this for both the #2 and #3 chromatograms and
then compare the resulting list. You can do this with Compound Discoverer,
too, but I'm pretty sure it can only have 1 file as the background, as well.
If this is one-off case, you could get in the software on a trial basis for 1
or 3 months, whatever they do.
Best regards,
Margaret Coe
Senior Research Technician
Equity Committee Chair
Liggins Institute
DDI +64 9 923 3432 Ext 83432 E <email obscured>
W liggins.auckland.ac.nz A The University of Auckland, Building 503,
Level 2, 85 Park Road, Auckland P Private Bag 92019, Auckland 1142, NZ
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-----Original Message-----
From: ABRF Discussion Forum <email obscured>> On Behalf Of Kym Faull
Sent: Friday, 30 August 2019 5:00 AM
To: <email obscured>
Cc: Li, Shen <email obscured>>
Subject: [ABRF Discussion Forum] A question about data analysis on Thermo
software
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We have three LC/MS chromatograms collected on a QE instrument. We are looking
for ions in Chromatogram 1 that are not present in either Chromatograms 2 and
3. Other than manually interrogating the data sets is there some more
convenient/automated approach to this problem? Any and all advice will be
appreciated.
Kym
Kym Francis Faull, Ph.D.
Director, Pasarow Mass Spectrometry Laboratory Jane and Terry Semel Institute
for Neuroscience and Human Behavior at UCLA Professor Emeritus, Department of
Psychiatry and Biobehavioral Sciences David Geffen School of Medicine at UCLA
Telephone: (310) 206 7881 (office)
Telephone: (310) 206 7886 (laboratory)
Facsimile: (310) 206 2161
Electronic mail: <email obscured> <email obscured>>
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