Questions with the most recent answer or edit.
What I am working with: WWB · a Karl Fischer water content test. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to…
What I am working with: SURMOUNT-1 · tirzepatide. I have read the primary source rather than the summary, which has left me with more questions. I understand the…
The case in front of me: aspartimide formation · liraglutide · 25 °C. I want to know whether this is a real physical effect or an artefact of how it is measured. What…
Conditions: 2.5 mg · 4 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision as well as the…
Details up front: 30 mg · 2.5 mL. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is what…
I have the full paper rather than the abstract, and the supplementary appendix. I would like the mechanism, because I want to be able to reason about the cases nobody…
I have both a purity figure and a content figure, which is why the discrepancy is visible. I want to understand what this actually establishes, as opposed to what it…
Conditions: Homopeptide · liraglutide. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the specifics…
What I am working with: 12.5 mg · mazdutide. I am trying to build something sustainable rather than something thorough that I will abandon. I have already decided the…
Setup, so nobody has to ask: SSA · survodutide. Somebody stated this to me confidently and I would like to check it before repeating it. I would accept a…
Conditions: 68 kg · 1,400 kcal. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision as well as the…
The specifics, since they change the answer: VendorInvestigate · 99.4%. An unexpected observation, and I would like a differential rather than reassurance. The…
The recurring point in this tag is that stereoisomers and sequence isomers are invisible to mass spectrometry. I accept that for intact mass. What I want to know is…
I have three data points across nine months, which I hope is enough to see a trend. I can do the algebra. I am not confident about the conversion factors. If there is…
I have three scans from the same centre, same technician, morning fasted each time, and I want a sanity check on how to read them, because the second scan made me cut…
For reference: a 29G needle · 2.5 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
What I have: 99.4% · orforglipron · GGPeps. I would rather over-plan the first cycle and simplify later. I am prepared to do the work if someone can tell me which…
Stated plainly: tirzepatide · SURMOUNT-4. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows, I would rather hear…
Setup, so nobody has to ask: 98.8% · cagrilintide. I have worked this out and I would like someone to find the error, because I suspect there is one. My working so…
Details up front: 98.8% · lot-specific certificate. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear…
The specifics, since they change the answer: 50 mg · semaglutide. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not…
Setup, so nobody has to ask: a mini-fridge · a GLP-1 receptor agonist. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real…
What I have: WXT · peptide mapping. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude and it…
Conditions: Wuhan · Canada. I would like help reading this properly rather than being told what conclusion to reach. I have the full report including the method…