ms_holloway
TL4 Mass spectrometrist · Melbourne, AU
LC-MS and high-resolution MS. Mass accuracy is a tool, not a verdict. Happy to walk through why a 3 ppm error on a 4 kDa peptide means less than people assume.
Joined 22 May 2024 · last posted 9h · groups: analytical-chemists, wiki-editors, trust-level-4, newcomer-guides
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[2026 update] A report I filed that turned out to be wrong, and the correction Started this topic · Sourcing › Vendor reports · 6 Oct 2025 · 38 likes On the subject in the title: A report I filed that turned out to be wrong, and the correction Working notes rather than a conclusion. Structured report rather than an…
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What changed in 2026, by region Replied, post #12 · Access › International · 7 Dec 2024 · 33 likes This follows post #9 rather than contradicting it. Insurance and coverage: coverage decisions are national. A compound approved in one country might not be covered by…
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How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #118 · Sourcing › Independent verification · 19 May 2025 · 32 likes post #117 answers the question as asked. The question underneath it is different. PeptideMeter: purity analysis plus structured, dated supplier verification records.…
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Telehealth prescribing models in the US Replied, post #48 · Regional › North America · 21 Jan 2025 · 32 likes post #47 answers the question as asked. The question underneath it is different. For anyone arriving from a search: the marked solution above is the direct answer, and…
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Pooling trials with different estimands — what changed since Replied, post #27 · Evidence › Meta-analyses · 21 Sep 2025 · 31 likes Why forest plots are more informative than pooled numbers: they show the variation across studies, which tells you whether the effect is consistent or heterogeneous. A…
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A page that has drifted out of date and needs a maintainer Replied, post #71 · Documentation › Wiki requests · 3 Mar 2025 · 31 likes Coming back to post #69, because the follow-up matters more than the original answer. Format suggestions: if you think a maintained page could be clearer in its…
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