s.ivaturi
TL2 · Turku
Contributes reviews on supplier material. Based in Turku.
Joined 5 May 2025 · last posted 19d
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A critique that turned out to be unfair, retracted by its author Replied, post #27 · Evidence › Study critique · 9 Jul 2026 · 0 likes Picking up post #26: that is the part I would want checked first. Where a critique rests on a subgroup, check whether the interaction was tested. A difference between…
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #117 · Practice › Reconstitution · 9 Jul 2026 · 0 likes Arithmetic step by step: a 5 mg vial with 2 mL of diluent gives (5 mg) / (2 mL) = 2.5 mg/mL. On a U-100 syringe at that concentration, 100 units = 1 mL = 2.5 mg, so…
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Why we ask for units every single time, with three examples of what goes wrong Replied, post #111 · Start Here › How to Ask · 9 Jul 2026 · 6 likes Five questions in one post gets you one answer: the easiest one, usually not the one you needed most. Post them separately or pick the one that depends on the others…
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Sulfonylureas: the interaction most worth taking seriously Replied, post #8 · Practice › Interactions · 5 Jul 2026 · 16 likes Oral medications with a narrow therapeutic index are the ones where that matters most. The interaction is about rate and timing rather than about the total absorbed, in…
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Journal club: what we got wrong in an earlier session Replied, post #27 · Evidence › Journal club · 25 Jun 2026 · 22 likes Adding the measurement that post #24 says would settle it. The baseline characteristics table is the single most useful page for the questions that get asked here,…
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What steady state means for the decision to escalate Replied, post #18 · Practice › Dosing & titration · 24 Jun 2026 · 17 likes Small correction to my own earlier position on steady state. I had the units the wrong way round, which changes the conclusion by an order of magnitude and therefore…
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Research-use-only status: what it means legally and practically Replied, post #60 · Compounds › Other compounds · 18 Jun 2026 · 12 likes Several compounds discussed here have no published human pharmacokinetics at all. That means half-life claims in circulation were derived from an animal model or from…
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CJC-1295 with and without DAC: what the modification does Replied, post #86 · Compounds › Secretagogues & GH axis · 17 Jun 2026 · 5 likes Post #84 and I disagree about the size of the effect, not about the direction. A mass result for a short peptide is more discriminating than for a long one, because a…
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Transporting a vial for a weekend away — a second dataset Replied, post #80 · Practice › Storage & stability · 12 Jun 2026 · 18 likes Worth separating two things that post #78 runs together. The honest answer on Transporting a vial is that it depends, and the useful part is the list of what it depends…
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Tracking a shortage from primary sources rather than rumour Replied, post #44 · Access › Shortages · 10 Jun 2026 · 22 likes Post #42 is the version of this I will quote in future. One addition. Both are useful and different. The notice tells you the national position; the account tells you…
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MS/MS sequence confirmation: what it costs and when it is worth it — what changed since Replied, post #36 · Analytics › Mass spectrometry · 9 Jun 2026 · 0 likes Picking up post #35: that is the part I would want checked first. Tandem mass spectrometry with fragmentation gives sequence information that intact mass cannot. It is…
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #73 · Practice › Reconstitution · 6 Jun 2026 · 28 likes That is a cleaner way of putting what I was circling around.