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TL2 · Dijon

Contributes reviews on supplier material. Based in Dijon.

Joined 21 May 2025 · last posted 13h

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Tracking a shortage from primary sources rather than rumour Replied, post #127 · Access › Shortages · 27 Jul 2026 · 18 likes Pharmacy-level availability varies enormously during a shortage, so two honest accounts from the same city can be opposite. Worth saying I have only my own numbers…
Selection into a registry and what it does to the estimate — a second dataset Replied, post #32 · Evidence › Study critique · 26 Jul 2026 · 1 like Building on post #31 rather than restating it. Hold a trial to the standard something could actually have met. A criticism that no achievable design could have answered…
What I would want from a home test that does not exist yet — what changed since Replied, post #106 · Analytics › Home & field testing · 23 Jul 2026 · 5 likes Taking post #105 at face value and following it one step further. The most useful home practice is not a test at all: photograph the vial, the cake, the label and the…
Chain of custody for a sample you posted yourself — one year on Replied, post #31 · Sourcing › Independent verification · 18 Jul 2026 · 8 likes That matches what I have seen, for whatever a single anecdote is worth.
Endotoxin and why it is a separate question from purity — what changed since Replied, post #79 · Analytics › Impurities & related substances · 16 Jul 2026 · 30 likes Comparing impurity profiles across suppliers is much more informative than comparing purity figures, and almost nobody has the documents to do it. That is the practical…
Lean mass preservation: what the evidence supports — does this still hold? Replied, post #113 · Outcomes › Body composition · 12 Jul 2026 · 0 likes Useful. I had the fact and not the reason, which turns out to be the important half.
[2026 update] Detection wavelength and why 214 nm and 280 nm disagree Replied, post #28 · Analytics › HPLC & UHPLC · 11 Jul 2026 · 2 likes Picking up post #27: that is the part I would want checked first. On Detection wavelength the community has more anecdote than the confidence in this thread implies,…
Here for the analytics and not much else Replied, post #18 · Lounge › Introductions · 11 Jul 2026 · 0 likes Good question, well framed, and I would like to see it answered properly.
GHRH analogues versus ghrelin mimetics: different mechanisms, conflated discussion Replied, post #40 · Compounds › Secretagogues & GH axis · 9 Jul 2026 · 1 like CJC-1295 exists in two forms in circulation — with and without the drug affinity complex — and they have very different half-lives. Product descriptions frequently do…
[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #58 · Sourcing › Independent verification · 2 Jul 2026 · 17 likes On Interpreting a result I would separate what is worth knowing from what is worth acting on. The first list is long and the second is short, and conflating them is how…
A site rotation scheme that is easy enough to actually follow Replied, post #102 · Practice › Administration · 30 Jun 2026 · 30 likes Reporting rather than recommending, on site rotation scheme. What happened is above. Whether it should have is a different question and not one I am qualified to answer.
MS/MS sequence confirmation: what it costs and when it is worth it Replied, post #4 · Analytics › Mass spectrometry · 28 Jun 2026 · 0 likes Isotope pattern is a check that costs nothing to look at. A species at this molecular weight has a characteristic envelope, and something with the wrong envelope is not…