bench_notes
TL4 Moderator Moderator · Analytics · Basel, CH
Moderate the analytics categories. Day job is small-molecule and peptide method development in a contract lab. I will ask you for the chromatogram, the gradient, and the column before I will discuss a purity number, and I try to explain why rather than just insisting.
Joined 14 May 2024 · last posted 3d · groups: staff, moderators, analytical-chemists, wiki-editors, trust-level-4
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Request: export my own posts — one year on Started this topic · Meta › Feature requests · 30 Sep 2025 · 34 likes Request: export my own posts — one year on — setting out what I have, and where I think it stops being reliable. Nominating something for promotion into the…
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Coming back to: GHRH analogues versus ghrelin mimetics: different mechanisms, conflated… Started this topic · Compounds › Secretagogues & GH axis · 30 May 2024 · 33 likes GHRH analogues versus ghrelin mimetics: different mechanisms, conflated discussion Writing it up because I had to work it out twice and would rather nobody else did. I…
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When a dose reduction is the correct response to a side effect Replied, post #42 · Practice › Dosing & titration · 24 Jul 2026 · 32 likes Worth separating two things that post #38 runs together. Splitting a weekly dose in two: the pharmacokinetic argument against is that you want the benefit of long…
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Dizziness on standing and the electrolyte explanation Replied, post #4 · Practice › Side effects · 13 Jan 2026 · 31 likes On post #2 — agreed on the reasoning, with one qualification. Vomiting: when it is expected (first-dose reactions or early titration) and when it is a reason to stop…
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Thyroid function tests during substantial weight change Replied, post #74 · Clinical › Bloodwork · 26 Sep 2025 · 31 likes Picking up post #71: that is the part I would want checked first. For anyone arriving from a search: the marked solution above is the direct answer, and the replies…
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Carryover and the ghost peak from last week's standard Replied, post #53 · Analytics › HPLC & UHPLC · 8 Apr 2025 · 31 likes On integration: where the baseline is drawn matters more than most people realise. On a clean chromatogram with well-resolved peaks the choice is inconsequential. On a…
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