m.steiner
TL2 · Ghent
Contributes reviews on supplier material. Based in Ghent.
Joined 2 July 2025 · last posted 6d
81Posts here
2Topics
0Solutions
1.2kLikes received
1.3kLikes given
21Badges
200Days visited
3.7kPosts read
Most-liked posts
-
Mass error in ppm: the arithmetic and the caveat Replied, post #107 · Analytics › Mass spectrometry · 15 Feb 2026 · 32 likes The arithmetic in post #104 is right; the assumption feeding it is the part to check. Positional isomers and epimers are mass-identical. Any argument that a mass result…
-
Follow-up: Why the titration planner refuses to produce a schedule below a floor Replied, post #16 · Data & Tools › Calculators · 2 Jun 2025 · 31 likes Mass error checking: enter your observed mass and theoretical mass and check whether the difference in ppm is within reasonable bounds for your instrument. Useful…
-
DXA precision and the least significant change for lean mass — the long version Replied, post #62 · Outcomes › Body composition · 19 May 2025 · 30 likes Coming back to post #58, because the follow-up matters more than the original answer. Bone mineral density changes with substantial weight loss are measurable and slow,…
-
Spike-and-recover accuracy for a peptide assay Replied, post #34 · Analytics › Method validation · 8 Apr 2026 · 29 likes Worth separating spike-and-recover accuracy as a question about the compound from spike-and-recover accuracy as a question about the documentation. They get answered by…
-
Second pass at: A single out-of-range value on an otherwise normal panel Replied, post #7 · Clinical › Bloodwork · 22 Feb 2025 · 29 likes Single out-of-range value sits at the boundary between what this community can usefully discuss and what it cannot, and I think it falls on the discussable side,…
-
Time to steady state after a dose increase Replied, post #63 · Pharmacology › Pharmacokinetics · 4 Nov 2024 · 29 likes Washout after stopping takes roughly the same four to five half-lives as reaching steady state. A month after the last dose is not the same as none. Adding it in case…
Where this member posts
Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Read the Guidelines | bronze | 3 Jul 2025 |
| Basic User | bronze | 5 Jul 2025 |
| Welcome | bronze | 7 Jul 2025 |
| First Reply | bronze | 8 Jul 2025 |
| First Topic | bronze | 10 Jul 2025 |
| First Quote | bronze | 19 Jul 2025 |
| Generous | bronze | 20 Jul 2025 |
| Asked Well | bronze | 22 Jul 2025 |
| First Link | bronze | 5 Aug 2025 |
| First Tag | bronze | 19 Aug 2025 |
| Member | bronze | 24 Aug 2025 |
| Editor | bronze | 24 Aug 2025 |
| Reader | bronze | 27 Aug 2025 |
| Sourced | bronze | 30 Sep 2025 |
| Thank You | silver | 4 Oct 2025 |
| Consistently Generous | silver | 14 Oct 2025 |
| First Vendor Report | bronze | 19 Nov 2025 |
| Nice Post | bronze | 2 Dec 2025 |
| Good Post | silver | 14 Mar 2026 |
| Anniversary | silver | 2 Jul 2026 |
| Gives Back | gold | 27 Jul 2026 |