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Date Registered:
October 16, 2017, 01:05:16 PM
Last Active:
January 20, 2018, 02:50:45 AM
Local Time:
January 21, 2018, 02:10:21 AM

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Recent Posts

Message Board Subject Date
Thank you.The problem I find most often with peak picking is that it picks random low intensity peaks within a certain retent... XCMS Re: Spectra versus XC... January 16, 2018, 01:03:07 AM
Hi Jan, Yes, I did think NH4 to Na made sense, but it would occur at least three times in a row. The 26 difference is 26.0225... Compound identification Re: Fragmentation at ... January 15, 2018, 05:12:08 AM
Dear Forum members, My MS1 files are showing multiple fragments at 26 mz apart with a strong base peak in between them. The m... Compound identification Fragmentation at 4.9 mz January 15, 2018, 02:02:05 AM
HI Jan, Thank you!Yes, I mean mz values. So the peaktable mz has a better accuracy than the peak mz shown in an actual spectr... XCMS Re: Spectra versus XC... January 12, 2018, 09:40:01 AM
Hello, I just wanted to double check the following approach is not incorrect. I may be overthinking, but better safe than sor... XCMS Spectra versus XCMS/C... January 12, 2018, 03:15:30 AM
Thank you both very much! Compound identification Re: Mzmed - mz of fra... January 06, 2018, 02:41:14 AM
Thanks Jan, that does clarify it a little. Merry Xmas! Any other suggestions greatly welcome :-) Compound identification Re: Mzmed - mz of fra... December 20, 2017, 10:19:02 AM
Hello everyone, I'm a tad confused as to the mz XCMS spits out after pre-processing. Are these definitely compound masses or ... Compound identification Mzmed - mz of fragmen... December 20, 2017, 07:05:43 AM
Quick question: if I get an outlier sample, should I rerun all preprocessing steps in xcms (ie. group, retcor etc.)?I'm using... XCMS - FAQ Outliers October 21, 2017, 10:48:00 AM
Thank you! XCMS Re: File conversion f... October 17, 2017, 03:43:14 AM

Recent Topics

Subject Board Date
Fragmentation at 4.9 mz Compound identification January 15, 2018, 02:02:05 AM
Spectra versus XCMS/C... XCMS January 12, 2018, 03:15:30 AM
Mzmed - mz of fragmen... Compound identification December 20, 2017, 07:05:43 AM
Outliers XCMS - FAQ October 21, 2017, 10:48:00 AM
File conversion for XCMS XCMS October 16, 2017, 01:11:30 PM

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