n.zielinski
TL2 · Nairobi
Contributes reviews on supplier material. Based in Nairobi.
Joined 21 May 2025 · last posted 18h
81Posts here
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Stability of BPC-157 in solution: what has been measured — one year on Replied, post #99 · Compounds › Repair & healing peptides · 27 Jul 2026 · 11 likes The arithmetic on Stability of BPC-157 is the easy part and it is where the errors are, which is an uncomfortable combination. Show your working and someone will catch…
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Coming back to: A structured critique template this community uses Replied, post #69 · Evidence › Study critique · 26 Jul 2026 · 4 likes Whatever the answer on structured critique template turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, invite…
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Transit times by route, from a logged dataset Replied, post #29 · Sourcing › Logistics · 23 Jul 2026 · 7 likes An update on my earlier transit times post: the pattern held for another six weeks and then stopped, which I did not predict and cannot explain.
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What a certificate commits its issuer to Replied, post #80 · Analytics › COA interpretation · 22 Jul 2026 · 21 likes I had written a reply contradicting post #76 and deleted it. Here is what survived. The distinction between release testing and characterisation is one industrial…
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Coming back to: Preparing for an appointment: one page, three questions Replied, post #18 · Clinical › Prescriber conversations · 19 Jul 2026 · 1 like A question phrased as "what would you want to see before considering X" is answerable and is not a request for X.
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Here for the analytics and not much else Replied, post #52 · Lounge › Introductions · 18 Jul 2026 · 23 likes Community culture: introductions give you a sense of who is here. Reading a few introduces you to the people and the tone of the community.
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What a reversed-phase purity number actually is Replied, post #65 · Analytics › HPLC & UHPLC · 17 Jul 2026 · 6 likes This is why a purity figure without the underlying chromatogram is weaker evidence than it appears. It is also why two competent laboratories can report different…
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PIONEER 6 cardiovascular safety, read as a safety trial rather than an efficacy one Replied, post #4 · Compounds › Oral incretins · 17 Jul 2026 · 22 likes Trial adherence in an oral trial with strict administration requirements is genuinely worse than trial-published data often suggests. That is why the exposure…
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Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #79 · Analytics › Home & field testing · 17 Jul 2026 · 3 likes Where I part company with post #77, and it is a narrow parting. Photographs of test results posted here are worth including with the lighting and the timing stated,…
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Priming a pen and whether the primed volume is wasted Replied, post #9 · Devices › Pens & autoinjectors · 17 Jul 2026 · 31 likes Answering the question post #5 raises rather than the one it answers. Disposal of a used pen is a sharps question even where the needle is retracted, and local rules…
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #125 · Practice › Reconstitution · 15 Jul 2026 · 18 likes Narrowing post #123, because the general version has more than one answer. Two people can reconstitute the same vial to different concentrations and both be right. The…
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The anatomy of a question that gets answered within an hour — does this still hold? Replied, post #19 · Start Here › How to Ask · 13 Jul 2026 · 20 likes Second this, and I would have said it less carefully.