NLoughran
TL3 Regular · Västerås, SE
Wiki editor. Small, frequent, well-annotated edits.
Joined 28 September 2024 · last posted 13d · groups: wiki-editors
156Posts here
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1Solutions
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Adsorptive losses at low concentration, and why dilute solutions are fragile Started this topic · Practice › Storage & stability · 6 Nov 2025 · 34 likes Adsorptive losses at low concentration, and why dilute solutions are fragile — setting out what I have, and where I think it stops being reliable. Collecting what is…
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Mass error in ppm: the arithmetic and the caveat Replied, post #18 · Analytics › Mass spectrometry · 12 Feb 2026 · 32 likes I had written a reply contradicting post #16 and deleted it. Here is what survived. For a compound with no reference standard in circulation, an observed mass is much…
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Persistent vomiting and the threshold for seeking help Replied, post #71 · Safety › Adverse events · 18 Nov 2025 · 32 likes I read post #69 twice before replying, because I had assumed the opposite. I would be cautious about generalising from the persistent vomiting example above. It is a…
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Publication bias detection and its low power — does this still hold? Replied, post #28 · Evidence › Meta-analyses · 5 May 2026 · 31 likes Double extraction with disagreement resolution is standard and is worth checking for, because single extraction errors are common and non-random. I am aware this is the…
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[2026 update] Confounding by indication, explained with a concrete example Replied, post #80 · Evidence › Study critique · 23 Feb 2026 · 31 likes Answering the question post #78 raises rather than the one it answers. A run-in period that excludes non-responders before randomisation changes what the trial is…
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Follow-up: Documentation that appears only after payment Replied, post #9 · Sourcing › Red flags · 20 Apr 2025 · 31 likes The most useful contribution to this subcategory is a resolved case written up with the resolution, because the unresolved ones are all anyone remembers. The variance…
Where this member posts
Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 30 Sep 2024 |
| Read the Guidelines | bronze | 4 Oct 2024 |
| First Reply | bronze | 5 Oct 2024 |
| First Topic | bronze | 8 Oct 2024 |
| Welcome | bronze | 12 Oct 2024 |
| First Tag | bronze | 19 Oct 2024 |
| Member | bronze | 24 Oct 2024 |
| First Link | bronze | 29 Oct 2024 |
| First Quote | bronze | 5 Nov 2024 |
| Editor | bronze | 23 Nov 2024 |
| Generous | bronze | 14 Dec 2024 |
| Reader | bronze | 15 Dec 2024 |
| Nice Post | bronze | 1 Jan 2025 |
| Regular | silver | 7 Jan 2025 |
| First Solution | bronze | 24 Jan 2025 |
| First Wiki Edit | bronze | 26 Jan 2025 |
| Nice Topic | bronze | 3 Feb 2025 |
| Good Post | silver | 5 Feb 2025 |
| Reviewer | bronze | 10 Feb 2025 |
| Citation Checker | silver | 10 Feb 2025 |
| Sourced | bronze | 13 Feb 2025 |
| Good Topic | silver | 16 Mar 2025 |
| Submitted a Sample | silver | 17 Mar 2025 |
| Consistently Generous | silver | 26 Mar 2025 |
| Wiki Editor | silver | 9 Apr 2025 |
| Well Sourced | silver | 23 Apr 2025 |
| Documented a Red Flag | silver | 6 May 2025 |
| First Vendor Report | bronze | 19 May 2025 |
| Thank You | silver | 13 Jun 2025 |
| Changed My Mind | silver | 13 Jun 2025 |
| Popular Link | silver | 25 Jun 2025 |
| Gives Back | gold | 21 Jul 2025 |
| Anniversary | silver | 28 Sep 2025 |