r.serrano
TL2 Moderator · Osijek
Contributes reviews on supplier material. Based in Osijek.
Joined 13 February 2025 · last posted 12h
80Posts here
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List price versus negotiated price versus what you pay Replied, post #83 · Access › Pricing · 15 Apr 2026 · 31 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
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Second pass at: How to research a compound with no human data without deceiving yourself Replied, post #70 · Compounds › Other compounds · 24 Jun 2025 · 31 likes post #69 is right about the mechanism and I think understates the practical bit. Thank you for the correction. I have edited my earlier post with a note rather than…
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Pre-registering a personal experiment, seriously Replied, post #56 · Research Methods › N-of-1 designs · 30 May 2025 · 31 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
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Peak-to-trough ratio at steady state for a weekly agent — the long version Replied, post #15 · Pharmacology › Pharmacokinetics · 1 Jun 2026 · 29 likes Fasting requirement for oral semaglutide: food and large fluid volumes reduce absorption. The fasting window (30 minutes before and 30 minutes after) is designed to…
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Converting between mg/mL and units per dose, both directions — the long version Replied, post #112 · Practice › Reconstitution · 25 Apr 2026 · 29 likes Osmolarity and reconstitution: the osmolarity of the reconstituted solution affects comfort on injection. Isotonic solutions (close to blood osmolarity) are less…
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Distinguishing a red flag from an inconvenience — a second dataset Replied, post #4 · Sourcing › Red flags · 19 Jul 2026 · 28 likes Inability to trace lots: if you ask "where was this synthesised, by whom, under what conditions" and cannot get a clear answer, that is a red flag. Traceability is not…
Where this member posts
Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 17 Feb 2025 |
| Welcome | bronze | 18 Feb 2025 |
| Read the Guidelines | bronze | 19 Feb 2025 |
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| Member | bronze | 23 Mar 2025 |
| First Tag | bronze | 15 Apr 2025 |
| First Solution | bronze | 19 Apr 2025 |
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| Thank You | silver | 4 Jun 2025 |
| Nice Post | bronze | 3 Jul 2025 |
| Good Post | silver | 25 Aug 2025 |
| Consistently Generous | silver | 11 Oct 2025 |
| De-escalator | gold | 8 Nov 2025 |
| Anniversary | silver | 13 Feb 2026 |
| Gives Back | gold | 27 Mar 2026 |