c.falk
TL2 Moderator · Dijon
Contributes reviews on supplier material. Based in Dijon.
Joined 3 June 2025 · last posted 2d
87Posts here
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Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #120 · Evidence › Journal club · 26 Jul 2026 · 9 likes Two things before anyone answers the substance. First, the context in the first post is clear and specific. Second, the question is framed so that an answer can…
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What consumer-accessible tests can and cannot determine — a second dataset Replied, post #125 · Analytics › Home & field testing · 26 Jul 2026 · 6 likes This follows post #122 rather than contradicting it. What physical quantity does the device measure? A colorimetric or lateral-flow method typically responds to a class…
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Insurance and replacement policies, compared Replied, post #111 · Sourcing › Logistics · 23 Jul 2026 · 0 likes post #110 answers the question as asked. The question underneath it is different. Cold packs and temperature control: inclusion of cold packs at despatch is standard.…
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What a certificate commits its issuer to Replied, post #63 · Analytics › COA interpretation · 19 Jul 2026 · 0 likes Endotoxin testing is separate: a certificate of purity says nothing about endotoxin. A chemically pure preparation can carry a clinically significant endotoxin load. If…
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Peak-to-trough ratio at steady state for a weekly agent — the long version Replied, post #54 · Pharmacology › Pharmacokinetics · 18 Jul 2026 · 19 likes Volume of distribution: the theoretical volume the drug distributes into. For albumin-binding compounds, volume is reduced compared to drugs that do not bind protein.…
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Revisiting: Protein density versus volume when you cannot eat much Replied, post #78 · Nutrition & Training › Protein & intake · 18 Jul 2026 · 22 likes Worth separating two things that post #74 runs together. Meeting protein targets on suppressed appetite: this is where the practical difficulty lies. Eating more…
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What a reversed-phase purity number actually is Replied, post #53 · Analytics › HPLC & UHPLC · 14 Jul 2026 · 8 likes Reversed-phase separates on hydrophobicity. A peptide is retained on a non-polar stationary phase and eluted by increasing organic solvent. For peptides the mobile…
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Pooling trials with different estimands Replied, post #77 · Evidence › Meta-analyses · 7 Jul 2026 · 0 likes Worth separating two things that post #73 runs together. Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did…
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Revisiting: What pooling buys you and what it destroys Replied, post #80 · Evidence › Meta-analyses · 5 Jul 2026 · 7 likes Picking up post #77: 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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Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #89 · Compounds › Semaglutide · 3 Jul 2026 · 12 likes Gastric emptying delay is the mechanism behind most of the gastrointestinal side effects. Slowing the stomach empties it feeds less food into the intestines at a time,…
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A supplier who responds to a discrepancy with silence — what changed since Replied, post #69 · Sourcing › Red flags · 24 Jun 2026 · 29 likes Coming back to post #67, because the follow-up matters more than the original answer. Rapid supplier turnover: a supplier that changes corporate structure, domain name,…
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[2026 update] Regional warehouse stock versus direct despatch Replied, post #112 · Sourcing › Logistics · 24 Jun 2026 · 29 likes Cold packs and temperature control: inclusion of cold packs at despatch is standard. Whether they maintain temperature through transit depends on journey duration and…