d.ndiaye
TL2 Moderator · Bologna
Contributes reviews on supplier material. Based in Bologna.
Joined 9 April 2025 · last posted 2d
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Reflectance and photometric devices: precision in practice — a second dataset Replied, post #82 · Analytics › Home & field testing · 26 Jul 2026 · 0 likes post #81 answers the question as asked. The question underneath it is different. Immunoassay limitations: tests that use antibodies have cross-reactivity limitations.…
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Shoulders, tangent skims, and defensible integration Replied, post #20 · Analytics › HPLC & UHPLC · 24 Jul 2026 · 33 likes Picking up post #17: that is the part I would want checked first. Thank you for the correction. I have edited my earlier post with a note rather than silently, so the…
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Tracking a shortage from primary sources rather than rumour Replied, post #114 · Access › Shortages · 21 Jul 2026 · 8 likes Communication from suppliers: a supplier having supply problems usually communicates them. If a supplier goes silent, that is itself information.
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Muscle cramps: the ordinary causes before the exotic ones — a second dataset Replied, post #62 · Practice › Side effects · 20 Jul 2026 · 17 likes Vomiting: when it is expected (first-dose reactions or early titration) and when it is a reason to stop and seek help are different. Occasional vomiting during…
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Impurity thresholds: where the common numbers come from Replied, post #2 · Analytics › Impurities & related substances · 10 Jul 2026 · 10 likes Related substances: compounds chemically related to the target peptide but not the target peptide itself. The standard method separates them and reports them as area…
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[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #67 · Access › International · 9 Jul 2026 · 14 likes I read post #65 twice before replying, because I had assumed the opposite. Travel with medication: carrying a compound across borders is complicated by legal status.…
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Coming back to: A structured critique template this community uses Replied, post #52 · Evidence › Study critique · 7 Jul 2026 · 14 likes This follows post #49 rather than contradicting it. Multiple comparisons: if a paper reports many outcomes, the chance of a spurious association by random chance is…
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How much context is too much context in a first post? Replied, post #34 · Start Here › How to Ask · 7 Jul 2026 · 21 likes On post #30 — agreed on the reasoning, with one qualification. Asking a follow-up: new topic or reply in the old one? If the answer depends on the previous post, reply.…
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Coming back to: Why a preprint's supplementary material is often the best part Replied, post #95 · Evidence › Preprints · 3 Jul 2026 · 12 likes Coming back to post #93, because the follow-up matters more than the original answer. Server repositories: medRxiv for medicine, bioRxiv for biology. Preprints on these…
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Coming back to: Time to steady state after a dose increase Replied, post #91 · Pharmacology › Pharmacokinetics · 2 Jul 2026 · 30 likes Bioavailability: oral semaglutide has low bioavailability (roughly 1%) due to peptide instability. That is why the oral dose (14 mg) is so much larger than the…
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Restarting after a long gap: what the labelling implies Replied, post #8 · Practice › Dosing & titration · 1 Jul 2026 · 31 likes I read post #6 twice before replying, because I had assumed the opposite. Holding a dose indefinitely: the trials did not study indefinite holding at a non-maximum…
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0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #82 · Devices › Syringes & needles · 23 Jun 2026 · 28 likes Needle gauge: smaller numbers (30G) are finer and less painful. Larger numbers (25G) are courser. For subcutaneous injection, 27-30G is typical. Finer needles take…