Automated extraction of EIC

Question

Hi,

I'm using OpenLab CDS 2.2, build 2.20.484.

I'd like to ask about processing LC-MS runs - some of our methods are processed that EIC is extracted automatically when the run/sequence is opened according to compound list in the processing method. However, when I create a new processing method with similar parameters, I'm unable to make the extraction of EICs automated and it requires manually extracting them for each run individually, which becomes inconvenient for longer sequences. I'm unable to find any option in the processing sequence.

Also I'd like to ask regarding reporting, if there's any easy way how add on a report a sum of compounds quantified separately?

Thank you.

ir_nerd · Accepted Answer

Hi rak , I modified your report template. In OpenLab CDS v2.2, the "Remove duplicate peak(s)" was not fully compatible with missing compounds or group reporting. We enhanced this from CDS v2.4. As this is not out of the box in your CDS v2.2, I have modified your report template to be able to report the group or missing compounds. Just be aware that with the change I did, you shall not modify the " Remove duplicate peak(s)" as if so, the change I did would be reverted to the default. If you need to do this for other tables, you could modify your template just as I did in a text editor, looking for the keyword "distinct". You will see the below expression in your table : Which you should change to the following: I hope this solves your issue.

Automated extraction of EIC

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