RT @byu_sam: #TeamMassSpec. question about tools for TMT quant. Which tools incorporate the MS1 intensity into the quantitation from MS2-based reporter ions?
I know that @nesvilab does this with Fragger. But does anyone else?

RT @byu_sam: #TeamMassSpec. question about tools for TMT quant. Which tools incorporate the MS1 intensity into the quantitation from MS2-based reporter ions?
I know that @nesvilab does this with Fragger. But does anyone else?

RT @DrLauraD22: Calling all #TeamMassSpec students interested in #proteomics. We have some excellent #PhD opportunities ⁦@WEHI_research⁩ proteomics facility. Please share! ⁦@FemalesInMS⁩ ⁦@PMV_Australia⁩ ⁦@LorneProteomics⁩ ⁦@hupo_org⁩

RT @byu_sam: After reading this, I am struck that all the negative examples (where CV is wonky) are because of terrible data quality, like letting in peptides with no FDR filter.

But is CV a bad metric if I am doing proper FDR filtering? #TeamMassSpec

RT @: Assuming spray voltage is fine, what is the cause of the retrograde movement of the mobile along the emitter during ESI? #TeamMassSpec #Protoemics

Just in case anyone in #TeamMassSpec is curious, the likely culprit of my 248.9 m/z ion from this thread: https://mstdn.science/@sarahehancock/110818463525422168 is free cyanide reacting with the gold seals of the HPLC pump. I will have to try a few different brands of solvent to see if I can ameliorate this issue. More info also available here: https://community.agilent.com/technical/lcms/f/forum/5480/how-do-we-get-rid-of-identify-contamination-with-m-z-248-9737-negative-mode.

#metabolomics #lipidomics #massspectrometry #massspec

RT @: R package for annotating and visualizing high res MALDI proteoform/peptide data (and more). Congrats to David Degnan who has been driving this effort. #TeamMassSpec @J_ASMS

Hey #TeamMassSpec, I'm having issues with a contaminant ion @ 248.9 m/z in -ve ion mode when running 90% ACN 10 mM AmOAc at pH 9. Found a thread on research gate suggesting it comes from the ACN but have tried two brands now with no joy. Has anyone else had this problem?

Research gate link: https://researchgate.net/post/What-is-this-contaminant-with-m-z-2489718

ACN brands tried: Fisher Sci Optima, Supelco LiChroSolv. LiChroSolv has a lot less of it than Fisher Sci.

#metabolomics #lipidomics #massspectrometry #massspec

RT @: Always good to see new #massspec tools available.Dear #proteomicscommunity and #TeamMassSpec, I am happy to share HowDirty, an R package that facilitates evaluating and reporting molecular contaminants in LC-MS experiments.
https://authorea.com/users/643346/articles/656759-howdirty-an-r-package-to-evaluate-molecular-contaminants-in-lc-ms-experiments…

RT @: *Job alert* An amazing opportunity is available to join our fabulous team @WEHI_research proteomics facility. Applications close 28 August. Please retweet! #TeamMassSpec

https://wehi.wd3.myworkdayjobs.com/en-US/WEHI/job/Proteomics-Research-Officer_JR2110-1…

RT @: Folks! We have created a survey to better understand users' experience with OpenMS. The survey is short, and we would love to hear your opinions on what's good and bad! Please share your thoughts

https://surveymonkey.de/r/9F6TMJL

#proteomics #metabolomics #lipidomics #TeamMassSpec #PhD

RT @: Deadline Sept 30th!
Call for papers @JProteomeRes Special Issue
"Women in #proteomics and #metabolomics"
https://axial.acs.org/biology-and-biological-chemistry/cfp-jprobs-women-in-proteomics-and-metabolomics…
@FemalesInMS #WomenInSTEM @AmerChemSociety #Teammassspec

RT @: Anyone have advice on how they normalize TMT channel data when the samples are from a pulldown? Normalization methods assume that peptide abundances should be broadly equal across samples...

#TeamMassSpec #MassSpec #proteomics

RT @: Last reminder: everyone attending #BSPREUPA2023 check out your email to learn all about the YPIC activities! Join us for dinner on Sunday, workshops on Monday, breakfast on Tuesday or during any break at our booth! #TeamMassSpec #conference @UKBspr @EuPAProteomics

RT @: Less than one week to go for #BSPREUPA2023
Check out the updated programme:
https://conferences.ncl.ac.uk/bspr-eupa2023/programme/…

@UKBspr @EU_YPIC @EuPAProteomics

#TeamMassSpec #proteomics

RT @: Announcing the 2023 @asmsnews Asilomar Conference on Computational Mass Spec.
Abstract submission, registration, lodging, and stipend application are all OPEN.
https://asms.org/conferences/asilomar-conference…
RT #TeamMassSpec @olgavitek @DavidFenyo

RT @: Hey #TeamMassSpec - question re: low sample stage-tip fractionation. Anyone have any experience with it? We have some POROS 20 R2 packing. How much (~mg?) do you load into a 200µL tip?

#MassSpec #proteomics

RT @: #BSPREUPA2023 is just over 1.5 weeks away!
I'm getting more and more excited as the programme was just released! https://conferences.ncl.ac.uk/bspr-eupa2023/programme/…
#TeamMassSpec #proteomics @UKBspr @EU_YPIC @EuPAProteomics

Hi - trying Mastodon again, last tried it in December 2022.

So, I'm a pretty new Lecturer in Mass Spectrometry at Queen's University Belfast.

My BSc was Pharmaceutical Chemistry at Dundee, followed by an MSc in Instrumental Analytical Science at Robert Gordon, and a PhD (plus postdoc) in mass spectrometry at Queen's.

If you do/like any of that lot (analytical chemistry and toxicology, really) then I'd love to chat.

#TeamMassSpec

Welcome back to my Mastodon feed.

I'm now a Lecturer in Mass Spectrometry at Queen's University Belfast, and can still be found working on all sorts of mass spectrometry for food and environmental samples.

#TeamMassSpec