Page 12 of 19 · 438 questions tagged content-assay.
The case in front of me: HJ · liraglutide. I have two candidate explanations and no way to distinguish them. The same procedure has worked without incident several…
I have both a purity figure and a content figure, which is why the discrepancy is visible. I can do the algebra. I am not confident about the conversion factors. If…
Stated plainly: FGP · mazdutide. I have read the primary source rather than the summary, which has left me with more questions. I understand the headline. I do not…
Concretely: oxidation · liraglutide · 37 °C. I want to know whether this is a real physical effect or an artefact of how it is measured. What prompted the question is…
Stated plainly: WXT · cagrilintide. This is not behaving the way I expected and I want to understand the discrepancy before I act on it. I have photographed the…
The particulars: liraglutide · 10 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
Numbers first: racemisation · orforglipron · room temperature. I can predict the outcome but I cannot explain it, which means I will get the next case wrong. I would…
For reference: QYB · survodutide. An unexpected observation, and I would like a differential rather than reassurance. The conditions were within what I understood to…
The case in front of me: HJ · oral semaglutide. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the…
Details up front: KP · dulaglutide. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear to disagree,…
The particulars: 95.2% · semaglutide · SGN. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement…
Conditions: survodutide · 5 mg/mL. Please show the division. I want to check my own against yours. I would like the general form as well as the specific number, so I…
Details up front: 97.9% · retatrutide · GGPeps. This is a planning question. I know what my options are; I do not know how to weigh them. What I want is the minimum…
The case in front of me: CPC · oral semaglutide. I have two candidate explanations and no way to distinguish them. The same procedure has worked without incident…
The particulars: 15 mg · semaglutide. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
Details up front: 30 mg · dulaglutide. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this out, I would…
The specifics, since they change the answer: deamidation · semaglutide · 30 °C. I understand the observation; what I do not understand is the mechanism behind it. I…
Details up front: hydrolysis · dulaglutide · 30 °C. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring…
The method section is present, which is unusual enough that I want to make use of it. The empirical answer seems settled. The explanation does not. If the honest…
Concretely: aspartimide formation · tirzepatide · 25 °C. This is one of those things that everyone repeats and nobody derives. This matters practically, not just…
The specifics, since they change the answer: identity confirmation by mass spectrometry · semaglutide. I am trying to choose between two options that are usually…
Stated plainly: orforglipron · 5 mg/mL. I have worked this out and I would like someone to find the error, because I suspect there is one. My working so far, for the…
Stated plainly: dimerisation · cagrilintide · minus 80 °C. I keep seeing this stated as a fact with no explanation attached, and unexplained facts make me suspicious.…
The specifics, since they change the answer: 15 mg · ecnoglutide. I would rather understand the derivation than memorise the outcome. Two people I asked gave two…