d.tamm
TL2 · Aalborg
Contributes reviews on supplier material. Based in Aalborg.
Joined 11 January 2025 · last posted 6d
74Posts here
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Follow-up: Trifluoroacetate content and its consequences Replied, post #4 · marked as the solution · Analytics › Impurities & related substances · 11 Oct 2024 · 33 likes The opening post and I disagree about the size of the effect, not about the direction. Trifluoroacetate is a counter-ion rather than an impurity, and it appears in the…
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A ten-fold dose error caught before injection Replied, post #48 · Devices › Syringes & needles · 12 Jun 2025 · 30 likes Post #46 is right about the mechanism and I think understates the practical bit. U-100 means the barrel is graduated for a solution containing one hundred units of…
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Why fasting instructions for oral semaglutide are not optional advice — does this still… Replied, post #77 · Compounds › Oral incretins · 6 Aug 2025 · 29 likes Where I part company with post #73, and it is a narrow parting. The absorption enhancer in the licensed oral product works by transiently raising local gastric pH and…
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Coming back to: Over-dilution: when your dose falls below one readable graduation Replied, post #32 · Practice › Reconstitution · 15 Jul 2025 · 29 likes What I want from this Over-dilution 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.
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Research-use-only status: what it means legally and practically Replied, post #23 · Compounds › Other compounds · 4 Apr 2026 · 28 likes Reading back through the research-use-only status threads from last year, the same three questions come up every time and only one of them has ever been answered…
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Where impurities in solid-phase peptide synthesis come from Replied, post #25 · Analytics › Impurities & related substances · 7 Dec 2025 · 25 likes Impurities in solid-phase peptide synthesis is a question about a distribution, not about a value, and treating it as a value is what produces the confident wrong…
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Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 14 Jan 2025 |
| Read the Guidelines | bronze | 16 Jan 2025 |
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| Anniversary | silver | 11 Jan 2026 |