n.cardoso

TL2 · Ghent

Contributes reviews on supplier material. Based in Ghent.

Joined 13 April 2025 · last posted 5d

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Aggregate verification data across the directory, with caveats Replied, post #65 · Sourcing › Independent verification · 23 Jul 2026 · 0 likes Nothing to add, except that this is the answer I would give if asked.
Batch numbers that do not match the vial label Replied, post #47 · Sourcing › Red flags · 22 Jul 2026 · 2 likes I read post #45 twice before replying, because I had assumed the opposite. Reporting something here requires the batch, the date, the method and the document, which is…
Named, unnamed and unspecified impurities as regulatory categories — the long version Replied, post #99 · Analytics › Impurities & related substances · 21 Jul 2026 · 26 likes Truncation products: fragments from incomplete synthesis or from degradation. They elute quite differently from the intact peptide because they are much smaller and…
[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #108 · Sourcing › Independent verification · 20 Jul 2026 · 1 like Post #107 is right about the mechanism and I think understates the practical bit. On Interpreting a result: the maintained page in the documentation commons covers the…
Substitution between formats during a shortage — what changed since Replied, post #19 · Access › Shortages · 18 Jul 2026 · 16 likes This follows post #16 rather than contradicting it. Dose hold versus tapering: if a temporary shortage forces a gap, holding your dose and resuming when supply returns…
Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #76 · Evidence › Journal club · 17 Jul 2026 · 1 like Seconded. It reads as careful rather than confident, which is the right register.
Request: a per-category review queue Replied, post #109 · Meta › Feature requests · 17 Jul 2026 · 15 likes Helpful, and easy to find again, which is half of what a good reply is.
Journal club: indirect comparison between two programmes, defended and attacked Replied, post #116 · Evidence › Journal club · 13 Jul 2026 · 0 likes This follows post #113 rather than contradicting it. Indirect comparison is well covered in the tag pages, and the older discussions are better than the recent ones…
Coming back to: Specificity, linearity, accuracy, precision, range, robustness — with… Replied, post #81 · Analytics › Method validation · 7 Jul 2026 · 0 likes Picking up post #78: that is the part I would want checked first. Precision and repeatability: within-run and between-run variability of the method. Acceptance…
Aggregate verification data across the directory, with caveats Replied, post #25 · Sourcing › Independent verification · 3 Jul 2026 · 0 likes Reading rather than contributing, but this is the most useful thread I have found on it.
What I would want from a home test that does not exist yet — what changed since Replied, post #73 · Analytics › Home & field testing · 29 Jun 2026 · 0 likes Same experience here, different supplier, so it is at least not unique to one of them.
About the HPLC & UHPLC category Replied, post #4 · Analytics › HPLC & UHPLC · 23 Jun 2026 · 25 likes Suggestion for the wiki post above: it would be worth linking the two or three most-referenced topics in this category directly, since new members reliably ask for…