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 Taking post #9 at face value and following it one step further. Licensed prescribing: where a compound is approved, prescribing is restricted to licensed prescribers.…
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How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #118 · Sourcing › Independent verification · 19 May 2025 · 32 likes Sensible. I would want the same detail before I acted on it either.
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Telehealth prescribing models in the US Replied, post #48 · Regional › North America · 21 Jan 2025 · 32 likes Post #47 is right about the mechanism and I think understates the practical bit. Telehealth prescribing models looks different depending on whether you are reading the…
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Pooling trials with different estimands — what changed since Replied, post #27 · Evidence › Meta-analyses · 21 Sep 2025 · 31 likes Quality assessment of included trials should change the analysis rather than sit beside it. A sensitivity analysis excluding the weakest studies is the minimum.
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A page that has drifted out of date and needs a maintainer Replied, post #71 · Documentation › Wiki requests · 3 Mar 2025 · 31 likes Post #69 describes the usual case. This is about the unusual one. Documents that are mostly a worked example age better than documents that are mostly a summary,…
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