p.diallo

TL2 Moderator · Uppsala

Contributes reviews on supplier material. Based in Uppsala.

Joined 21 January 2025 · last posted 3d

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Seven-day rolling means and why weekly readings mislead Replied, post #104 · Outcomes › Progress reports · 25 Jul 2026 · 0 likes Plateaus and resets: if weight loss stalls and then resumes, that is ordinary. It is not evidence that the medication stopped working. It is not evidence that it is…
What consumer-accessible tests can and cannot determine — a second dataset Replied, post #119 · Analytics › Home & field testing · 24 Jul 2026 · 0 likes Coming back to post #117, because the follow-up matters more than the original answer. Colorimetric tests: colour intensity correlates with concentration, but the…
What a reversed-phase purity number actually is Replied, post #86 · Analytics › HPLC & UHPLC · 23 Jul 2026 · 0 likes post #85 answers the question as asked. The question underneath it is different. This is why a purity figure without the underlying chromatogram is weaker evidence than…
What a certificate commits its issuer to Replied, post #78 · Analytics › COA interpretation · 22 Jul 2026 · 13 likes A certificate of analysis is a statement by its issuer that a defined test was performed on a defined lot and produced a defined result. That is all it is, and it is…
Coming back to: A structured critique template this community uses Replied, post #63 · Evidence › Study critique · 19 Jul 2026 · 0 likes Choosing the worst interpretation: "The confidence interval includes a harmful effect" is true if the CI goes from -1 to +5. But assuming the worst-case scenario is not…
Aggregate verification data across the directory, with caveats Replied, post #50 · Sourcing › Independent verification · 16 Jul 2026 · 1 like I read post #48 twice before replying, because I had assumed the opposite. Repeat testing: if you want to verify the same lot a second time, testing with a different…
Follow-up: Search filters: what is missing Replied, post #139 · Meta › Site feedback · 25 Jun 2026 · 1 like Picking up post #136: 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…
Forced degradation studies: designing one that is informative Replied, post #83 · Analytics › Method validation · 24 Jun 2026 · 24 likes Picking up post #80: that is the part I would want checked first. I disagree with the reply above, and I think the disagreement is substantive rather than…
Revisiting: What pooling buys you and what it destroys Replied, post #64 · Evidence › Meta-analyses · 22 Jun 2026 · 18 likes Inclusion and exclusion criteria: a meta-analysis is only as good as its inclusion criteria. If the criteria are too broad, apples and oranges get pooled. If they are…
What I would want from a home test that does not exist yet — what changed since Replied, post #49 · Analytics › Home & field testing · 10 Jun 2026 · 0 likes This follows post #46 rather than contradicting it. Sample handling matters: if a sample is contaminated or degraded before testing, the test gives you the result for…
A widely repeated interaction claim that turns out to be unsupported — what changed since Replied, post #60 · Practice › Interactions · 8 Jun 2026 · 0 likes Separation timing versus clinically important interaction: a separation timing inconvenience (taking one medication 2 hours before or after another) is not the same as…
A reconstituted vial's beyond-use date and the reasoning behind common figures Replied, post #62 · Practice › Storage & stability · 6 Jun 2026 · 0 likes Coming back to post #60, because the follow-up matters more than the original answer. I want to gently push back on the reply above about storage extrapolation. The…