f.sjoberg
TL2 · Enugu
Contributes reviews on supplier material. Based in Enugu.
Joined 26 May 2025 · last posted 3d
79Posts here
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[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #121 · Sourcing › Independent verification · 25 Jul 2026 · 0 likes Blind sampling: submitting without the laboratory or seller knowing the source removes the two easiest ways for a result to be shaped: selective submission and…
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Request: tag synonyms surfaced in search Replied, post #24 · Meta › Feature requests · 22 Jul 2026 · 26 likes I had written a reply contradicting post #22 and deleted it. Here is what survived. Tag synonyms surfaced in search would be much easier to settle if anyone reported…
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Blinding yourself: practical methods and their limits — the long version Replied, post #11 · Research Methods › N-of-1 designs · 21 Jul 2026 · 20 likes Building on post #10 rather than restating it. Blinding yourself is harder than it sounds and is not impossible. Somebody else preparing labelled containers is the…
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Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #114 · Compounds › Semaglutide · 21 Jul 2026 · 0 likes One caution on semaglutide and gastric emptying: everything above assumes the underlying documentation is what it claims to be. That assumption is doing real work and…
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What to bring: records that a clinician can actually use — a second dataset Replied, post #27 · Clinical › Prescriber conversations · 12 Jul 2026 · 0 likes A question phrased as "what would you want to see before considering X" is answerable and is not a request for X. Worth reading the earlier posts in this thread before…
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Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #48 · Evidence › Journal club · 11 Jul 2026 · 0 likes Sessions on negative or null results are consistently the most instructive and the hardest to get anyone to attend.
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[2026 update] Antibiotics and a course of something with delayed emptying Replied, post #27 · Practice › Interactions · 9 Jul 2026 · 20 likes Taking post #24 at face value and following it one step further. The most defensible general position in this subcategory: identify the plausible mechanism, check…
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Completing a dose with a second syringe, and the dead-volume arithmetic Replied, post #63 · Practice › Administration · 30 Jun 2026 · 3 likes Completing a dose sits at the boundary between what this community can usefully discuss and what it cannot, and I think it falls on the discussable side, narrowly.
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Coming back to: Specificity, linearity, accuracy, precision, range, robustness — with… Replied, post #68 · Analytics › Method validation · 27 Jun 2026 · 2 likes Everything in post #66 holds. The case it does not cover is the one I have. An independent laboratory's method being different from the supplier's is not a discrepancy.…
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Does a peptide degrade silently, with no visual change? Replied, post #55 · Practice › Storage & stability · 24 Jun 2026 · 0 likes Post #54 is right about the mechanism and I think understates the practical bit. Clarity is a weak test. A solution can lose a significant fraction of its active…
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Follow-up: Search filters: what is missing Replied, post #121 · Meta › Site feedback · 5 Jun 2026 · 31 likes Adding a small correction to the Search filters summary above rather than a disagreement with it. The substance holds; one of the figures is out by a factor that matters.
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Why we ask for units every single time, with three examples of what goes wrong Replied, post #18 · Start Here › How to Ask · 4 Jun 2026 · 0 likes Thank you for the correction. I would rather find out here than later.