d.nilsen
TL2 · Bari
Contributes reviews on supplier material. Based in Bari.
Joined 15 December 2024 · last posted 2d
71Posts here
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A 10 mg vial reconstituted three different ways, compared — the long version Replied, post #157 · Practice › Reconstitution · 2 Nov 2025 · 33 likes Research-use-only material reconstituted at home is not a compounded sterile preparation and nothing about the procedure makes it one. Members describing what they do…
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Revisiting: The report format the maintainers ask for, and why each field is there Replied, post #37 · Sourcing › Vendor reports · 18 Mar 2026 · 32 likes I read post #36 twice before replying, because I had assumed the opposite. Dosing and purity: a vial that is 99% pure might contain 80% of its label claim if the other…
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A supplier who responds to a discrepancy with silence — what changed since Replied, post #71 · Sourcing › Red flags · 28 Jun 2026 · 30 likes Anonymity: a supplier that will not disclose legal name, address, or responsible person is not operating in a way that allows accountability.
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Completing a dose with a second syringe, and the dead-volume arithmetic Replied, post #54 · Practice › Administration · 12 Jun 2026 · 30 likes Taking post #53 at face value and following it one step further. A genuinely late dose: the labelling generally says that if the next dose is more than a couple of days…
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Second pass at: Certificates issued by the seller versus by a laboratory Replied, post #52 · Analytics › COA interpretation · 24 Jan 2025 · 30 likes The distinction between release testing and characterisation is one industrial documents make and retail ones usually do not. It is the difference between "we tested…
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Spike-and-recover accuracy for a peptide assay Replied, post #65 · Analytics › Method validation · 9 Apr 2026 · 28 likes Thank you for taking the time. That was more work than a reply usually is.
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Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| First Reply | bronze | 18 Dec 2024 |
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| Good Post | silver | 25 Jul 2025 |
| Anniversary | silver | 15 Dec 2025 |