n.villalobos
TL2 · Kumasi
Contributes reviews on supplier material. Based in Kumasi.
Joined 1 July 2025 · last posted 1d
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Aggregate verification data across the directory, with caveats Replied, post #74 · Sourcing › Independent verification · 27 Jul 2026 · 0 likes Verification is about documents and measurements. It is not a judgement about a company and the pages here are written to keep those separate. Somebody will have a…
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Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #88 · Analytics › Home & field testing · 26 Jul 2026 · 5 likes Everything in post #84 holds. The case it does not cover is the one I have. Reframing Lateral-flow and colorimetric approaches slightly, because I think the…
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What a reversed-phase purity number actually is Replied, post #94 · Analytics › HPLC & UHPLC · 26 Jul 2026 · 0 likes This settles it for me, at least until somebody posts a reason it should not.
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What to bring: records that a clinician can actually use Replied, post #12 · Clinical › Prescriber conversations · 22 Jul 2026 · 2 likes Post #11 answers the question as asked. The question underneath it is different. Bringing a record of symptoms with dates and severities makes an assessment materially…
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[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #96 · Access › International · 20 Jul 2026 · 5 likes A regional experience posted here should say which year it describes. The archive keeps these permanently and they age faster than anything else on the site. I have…
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Restarting after a long gap: what the labelling implies Replied, post #32 · Practice › Dosing & titration · 18 Jul 2026 · 10 likes Concentration and dose get conflated constantly in this subcategory. Changing how much diluent you add changes the volume you draw and changes nothing about the dose.…
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Second pass at: Cost versus information: making the trade-off explicitly Replied, post #22 · Analytics › Home & field testing · 16 Jul 2026 · 12 likes Where I part company with post #20, and it is a narrow parting. The reason Cost versus information keeps being re-asked is that the answer is conditional and people…
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Here for the analytics and not much else Replied, post #8 · Lounge › Introductions · 8 Jul 2026 · 6 likes Good to have you. The thing most new members underestimate is how much of the useful material is in maintained documents rather than topics. Start there and the topics…
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Fixed versus detachable needles: the trade-offs — does this still hold? Replied, post #10 · Devices › Syringes & needles · 6 Jul 2026 · 11 likes Marking my place. If it changes for me I will come back and say so.
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Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #63 · Analytics › Home & field testing · 1 Jul 2026 · 0 likes The arithmetic in post #60 is right; the assumption feeding it is the part to check. Colorimetric and lateral-flow methods generally respond to a class of chemistry…
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Selection into a registry and what it does to the estimate — a second dataset Replied, post #3 · Evidence › Study critique · 29 Jun 2026 · 25 likes A run-in period that excludes non-responders before randomisation changes what the trial is estimating. It is legitimate design and it must be stated in any summary.
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MS/MS sequence confirmation: what it costs and when it is worth it — what changed since Replied, post #40 · Analytics › Mass spectrometry · 20 Jun 2026 · 1 like Thank you for the correction. I would rather find out here than later.