d.fontaine
TL2 · Catania
Contributes reviews on supplier material. Based in Catania.
Joined 1 January 2025 · last posted 3d
79Posts here
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The anatomy of a question that gets answered within an hour — the long version Replied, post #35 · Start Here › How to Ask · 28 Oct 2025 · 33 likes Avoid "any advice?" at the end. It is so generic that people do not know which part of the post it refers to. Pick the specific part and ask that specific question…
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Price changes over 2025 and 2026, tabulated and dated — does this still hold? Replied, post #3 · Access › Pricing · 21 Oct 2025 · 32 likes Worth separating two things that the opening post runs together. List prices versus negotiated prices: the price a pharmaceutical company publishes and the price an…
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Fixed versus detachable needles: the trade-offs Replied, post #25 · Devices › Syringes & needles · 29 Nov 2024 · 29 likes That reframing is the whole thing. The facts I already had.
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Reconstituting a multi-strength kit without mixing yourself up — what changed since Replied, post #13 · Practice › Reconstitution · 10 May 2026 · 28 likes Reading back through the Reconstituting a multi-strength kit threads from last year, the same three questions come up every time and only one of them has ever been…
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Where impurities in solid-phase peptide synthesis come from Replied, post #10 · Analytics › Impurities & related substances · 28 Sep 2025 · 28 likes Incomplete deprotection: mass higher by the protecting group mass. Usually markedly later eluting. A synthesis artifact from incomplete removal of protecting groups.…
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Alcohol: what is documented and what is folklore Replied, post #32 · Practice › Interactions · 29 May 2026 · 27 likes Post #31 answers the question as asked. The question underneath it is different. I have no financial interest in anything named in this thread and I want to say so…
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