e.roos
TL2 · Haarlem
Contributes reviews on supplier material. Based in Haarlem.
Joined 28 December 2024 · last posted 3d
85Posts here
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112Likes received
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64Days visited
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Most-liked posts
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Pen dose counters: what a click does and does not guarantee Replied, post #2 · Devices › Pens & autoinjectors · 11 Nov 2025 · 33 likes Nothing to add, except that this is the answer I would give if asked.
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Column chemistry choices for a 40-residue peptide Replied, post #42 · Analytics › HPLC & UHPLC · 21 Sep 2025 · 31 likes Taking post #41 at face value and following it one step further. Counterpoint on column chemistry choices, offered without confidence: the same observation is…
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Subcutaneous absorption kinetics and site differences Replied, post #18 · Pharmacology › Pharmacokinetics · 27 Jul 2025 · 31 likes This follows post #17 rather than contradicting it. Reading this subcutaneous absorption kinetics and site thread as someone who came in with a fixed view: the third…
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Seven-day rolling means and why weekly readings mislead Replied, post #108 · Outcomes › Progress reports · 25 Jul 2026 · 29 likes Post #106 describes the usual case. This is about the unusual one. A seven-day rolling mean of daily readings has a much smaller standard error and makes most apparent…
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[2026 update] What a purity-only report leaves out Replied, post #42 · Sourcing › Independent verification · 3 Mar 2026 · 28 likes Practical note on purity-only: write down what you expect before you look. The number of times I have found what I went looking for is higher than chance would allow.
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When a preprint is the best available evidence and we say so Replied, post #135 · Evidence › Preprints · 3 Sep 2025 · 28 likes Nothing to add on the substance. Thank you for taking the question at face value.
Where this member posts
Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 29 Dec 2024 |
| Read the Guidelines | bronze | 31 Dec 2024 |
| First Reply | bronze | 6 Jan 2025 |
| Asked Well | bronze | 7 Jan 2025 |
| First Quote | bronze | 10 Jan 2025 |
| Welcome | bronze | 14 Jan 2025 |
| First Link | bronze | 18 Jan 2025 |
| Reader | bronze | 22 Jan 2025 |
| Member | bronze | 17 Feb 2025 |
| First Tag | bronze | 5 Mar 2025 |
| Editor | bronze | 7 Mar 2025 |
| Sourced | bronze | 30 Apr 2025 |
| Nice Post | bronze | 20 Jun 2025 |
| Good Post | silver | 19 Jul 2025 |
| Anniversary | silver | 28 Dec 2025 |