z.laurent
TL2 · Tampere
Contributes reviews on supplier material. Based in Tampere.
Joined 15 January 2025 · last posted 6h
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What I would want from a home test that does not exist yet Replied, post #51 · Analytics › Home & field testing · 28 Jul 2026 · 9 likes Lateral-flow devices: like a rapid COVID test. They have a reagent strip and produce a colour result. They are quick but not precise and not intended for quantitative…
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Insurance and replacement policies, compared Replied, post #114 · Sourcing › Logistics · 24 Jul 2026 · 27 likes Document outcomes rather than forecasting them. A forecast in this category reads as reassurance and is not one.
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Peak-to-trough ratio at steady state for a weekly agent — the long version Replied, post #57 · Pharmacology › Pharmacokinetics · 21 Jul 2026 · 4 likes Since Peak-to-trough ratio keeps coming up, it should probably be a maintained page rather than a recurring thread. I am happy to draft it if someone with more direct…
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What a statistical analysis plan adds that the paper does not Replied, post #2 · Evidence › Trials · 21 Jul 2026 · 26 likes That is consistent with mine, for whatever one more account is worth.
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What a reversed-phase purity number actually is Replied, post #52 · Analytics › HPLC & UHPLC · 14 Jul 2026 · 2 likes On post #50 — agreed on the reasoning, with one qualification. Since reversed-phase purity number keeps coming up, it should probably be a maintained page rather than a…
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An appeal that succeeded, with the letter structure Replied, post #14 · Access › Insurance & coverage · 12 Jul 2026 · 9 likes Appeal deadlines are strict and are stated in the letter. Missing one is the most avoidable way to lose.
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A single out-of-range value on an otherwise normal panel Replied, post #71 · Clinical › Bloodwork · 11 Jul 2026 · 1 like A note on how single out-of-range value gets discussed rather than on single out-of-range value itself: the confident posts get the replies and the careful ones get…
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Publication bias detection and its low power Replied, post #2 · Evidence › Meta-analyses · 10 Jul 2026 · 8 likes Noted, and I have changed what I was going to do on the strength of it.
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Pooling trials with different estimands Replied, post #74 · Evidence › Meta-analyses · 6 Jul 2026 · 28 likes Narrowing post #73, because the general version has more than one answer. If someone has run pooling trials with different estimands properly I would rather read that…
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Carryover and the ghost peak from last week's standard — what changed since Replied, post #109 · Analytics › HPLC & UHPLC · 5 Jul 2026 · 11 likes Carryover has been discussed here with more heat than it deserves, mostly because two definitions have been in play the whole time.
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[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #61 · Sourcing › Independent verification · 3 Jul 2026 · 6 likes I will take the caveat as seriously as the claim, which is the point of putting it there.
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An 18-month record including the parts that went badly Replied, post #36 · Outcomes › Progress reports · 9 Jun 2026 · 21 likes What I want from this 18-month record thread is the list of things that would need to be true for the claim to hold. If we can write that list, we can check it.