a.westergaard

TL3 Regular · San Sebastián, ES

Pharmacist. Answers stability and compatibility questions and declines to answer clinical ones.

Joined 28 September 2024 · last posted 17h · groups: pharmacists

143Posts here

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[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #129 · Sourcing › Independent verification · 27 Jul 2026 · 20 likes On post #125 — agreed on the reasoning, with one qualification. Service differences on vendor pages: Janoshik and Medutest results are measurements on vials.…
What consumer-accessible tests can and cannot determine — a second dataset Replied, post #126 · Analytics › Home & field testing · 26 Jul 2026 · 15 likes Why third-party testing is stronger: a home test run by the person who made the compound is a self-selected result. The test run by a neutral third party removes…
What a certificate commits its issuer to Replied, post #62 · Analytics › COA interpretation · 19 Jul 2026 · 4 likes This follows post #59 rather than contradicting it. Amino acid analysis gives content: it hydrolyses the peptide and quantifies the residues. It measures the peptide…
What a reversed-phase purity number actually is Replied, post #54 · Analytics › HPLC & UHPLC · 14 Jul 2026 · 20 likes Column chemistry and particle size: smaller particles (1.7 μm) give better resolution and higher efficiency than larger particles (3.5 μm or 5 μm), at the cost of…
Trust level 3 requirements: a clarification — does this still hold? Replied, post #79 · Meta › Announcements · 9 Jul 2026 · 1 like Coming back to post #77, because the follow-up matters more than the original answer. Questions welcomed: if an announcement is unclear, asking for clarification is…
System suitability injections: if they failed, the run did not happen — the long version Replied, post #6 · Analytics › HPLC & UHPLC · 8 Jul 2026 · 26 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
Pooling trials with different estimands Replied, post #76 · Evidence › Meta-analyses · 6 Jul 2026 · 0 likes When a meta-analysis is unhelpful: if the included studies are heterogeneous in population, intervention, or outcome, pooling them produces a number that represents…
Revisiting: What pooling buys you and what it destroys Replied, post #79 · Evidence › Meta-analyses · 5 Jul 2026 · 18 likes Coming back to post #77, because the follow-up matters more than the original answer. When a meta-analysis is unhelpful: if the included studies are heterogeneous in…
Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #90 · Compounds › Semaglutide · 4 Jul 2026 · 25 likes On post #86 — agreed on the reasoning, with one qualification. The SELECT trial changed the positioning because it was the first cardiovascular outcome trial in people…
An appeal that succeeded, with the letter structure Replied, post #12 · Access › Insurance & coverage · 2 Jul 2026 · 0 likes post #11 is right about the mechanism and I think understates the practical bit. Tier placement and step therapy: some formularies place a medication on a higher tier…
Request: a per-category review queue Replied, post #72 · Meta › Feature requests · 1 Jul 2026 · 9 likes Alternatives: if you have thought of a way the current site might already serve your need, mention it. It helps assess whether the feature is truly missing or just not…
Pooling trials with different estimands Replied, post #61 · Evidence › Meta-analyses · 30 Jun 2026 · 15 likes Funnel plots: a plot of study effect size versus sample size that helps detect publication bias. If small studies are missing on the negative side, the funnel is…