s.vukovic
TL2 Moderator · Dijon
Contributes reviews on supplier material. Based in Dijon.
Joined 23 March 2025 · last posted 5d
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Alcohol: what is documented and what is folklore Replied, post #128 · Practice › Interactions · 23 Jul 2026 · 6 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
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A critique that turned out to be unfair, retracted by its author Replied, post #35 · Evidence › Study critique · 21 Jul 2026 · 12 likes What makes a methodological criticism substantive: it identifies a specific feature of the design that materially affects what the paper can conclude. "Small sample…
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Deletion sequences: expected mass shifts by residue — the long version Replied, post #9 · Analytics › Impurities & related substances · 12 Jul 2026 · 0 likes Incomplete deprotection: mass higher by the protecting group mass. Usually markedly later eluting. A synthesis artifact from incomplete removal of protecting groups.
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Second pass at: Which categories are strict and which are relaxed, honestly Replied, post #90 · Start Here › Welcome · 9 Jul 2026 · 6 likes Welcome. The orientation materials are pinned at the top of this category and they take about an hour. They answer most of the questions a new member has and they save…
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0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #94 · Devices › Syringes & needles · 4 Jul 2026 · 30 likes On post #90 — agreed on the reasoning, with one qualification. Insulin syringe graduations: U-100 syringes are marked in units where 100 units = 1 mL. Always confirm…
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Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Replied, post #61 · Evidence › Journal club · 26 Jun 2026 · 10 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
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Follow-up: The most useful thing you learned here that was not the answer you came for Replied, post #11 · Lounge › Off topic · 21 Jun 2026 · 9 likes Science communication: if you come across an interesting science paper or article about peptides or metabolism, sharing it and discussing the idea is on-topic.
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Fasting versus non-fasting and which tests care Replied, post #52 · Clinical › Bloodwork · 20 Jun 2026 · 7 likes Worth separating two things that post #48 runs together. Analytical imprecision: any measurement has an error margin. A small difference in consecutive tests is usually…
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #87 · Practice › Reconstitution · 17 Jun 2026 · 0 likes Reconstituting a multi-strength kit: if a kit contains 5 mg, 10 mg, 15 mg vials and you are reconstituting all of them, writing the concentration on each vial in…
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Racemisation and why it is invisible to a mass measurement Replied, post #54 · Analytics › Impurities & related substances · 11 Jun 2026 · 2 likes Disulfide formation: if a peptide contains cysteine, it can form disulfide bonds with itself or with other molecules. Under oxidising conditions multiple species…
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Review: a draft on reconstitution arithmetic, with objections — what changed since Replied, post #19 · Documentation › Doc review · 7 Jun 2026 · 0 likes Review of promoted topics: when a topic is nominated for promotion to a maintained documentation page, the draft is posted here. Community review happens before…
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Journal club: orforglipron phase 2 and the non-peptide question Replied, post #83 · Evidence › Journal club · 5 Jun 2026 · 15 likes Worth separating two things that post #79 runs together. Two things before anyone answers the substance. First, the context in the first post is clear and specific.…