s.grahame
TL2 Member · Quebec City, CA
Practical questions, practical answers. Not interested in speculation without a source.
Joined 14 December 2024 · last posted 3d
83Posts here
4Topics
0Solutions
1.8kLikes received
1.7kLikes given
24Badges
259Days visited
4.8kPosts read
Stated areas
Recent activity
Full stream-
Coming back to: A structured critique template this community uses Replied, post #68 · Evidence › Study critique · 25 Jul 2026 · 7 likes Where I part company with post #64, and it is a narrow parting. Practical experience of structured critique template, offered as one case with the conditions stated,…
-
What a reversed-phase purity number actually is Replied, post #81 · Analytics › HPLC & UHPLC · 22 Jul 2026 · 2 likes On reversed-phase purity number I would separate what is worth knowing from what is worth acting on. The first list is long and the second is short, and conflating them…
-
Here for the analytics and not much else Replied, post #55 · Lounge › Introductions · 19 Jul 2026 · 6 likes Welcome aboard. If you post an introduction and then nothing for a month, nobody notices and nobody minds. Come back when there is something you want to know. I have…
-
[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #88 · Access › International · 17 Jul 2026 · 7 likes Licensed prescribing: where a compound is approved, prescribing is restricted to licensed prescribers. Where it is not approved, the legality of possession and use is…
-
What a reversed-phase purity number actually is Replied, post #62 · Analytics › HPLC & UHPLC · 17 Jul 2026 · 0 likes A relative retention time against a known peak travels much better than an absolute one, and almost nobody reports it. Small point, but it is the one that usually…
-
Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #76 · Analytics › Home & field testing · 14 Jul 2026 · 5 likes Whatever the answer on Lateral-flow and colorimetric approaches turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in…
-
A supplier who responds to a discrepancy with silence — what changed since Replied, post #80 · Sourcing › Red flags · 13 Jul 2026 · 31 likes Supplier: I have looked for the primary source twice and failed twice. Either it does not exist or it is somewhere I do not know to look, and I would like to know which.
-
Aggregate verification data across the directory, with caveats Replied, post #43 · Sourcing › Independent verification · 12 Jul 2026 · 23 likes Posting my aggregate verification data numbers with the method attached so they can be discounted properly. Uncontrolled, unblinded, and collected by someone who wanted…
-
Revisiting: Liver enzymes drifting down and what that usually means Replied, post #49 · Clinical › Bloodwork · 27 Jun 2026 · 0 likes Confirming post #46 from a second method, which matters more than confirming it from a second person. Liver enzymes drifting sits at the boundary between what this…
-
Revisiting: What pooling buys you and what it destroys Replied, post #69 · Evidence › Meta-analyses · 26 Jun 2026 · 26 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…
-
[2026 update] Regional warehouse stock versus direct despatch Replied, post #101 · Sourcing › Logistics · 14 Jun 2026 · 1 like Tracking stops updating: tracking last updated days ago usually means the package is in transit and will not update until it reaches the next scanning point. No update…
-
Batch numbers that do not match the vial label Replied, post #21 · Sourcing › Red flags · 27 May 2026 · 19 likes Practical experience of batch numbers, offered as one case with the conditions stated, not as a general finding. Conditions first, because they are what make it…