Page 14 of 20 · 466 questions tagged hplc.
Setup, so nobody has to ask: dimerisation · 2–8 °C. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows, I would…
Setup, so nobody has to ask: dulaglutide · a C18 column · retatrutide. I suspect the honest answer is that it depends, in which case I would like to know on what.…
Setup, so nobody has to ask: orforglipron · a C18 column · semaglutide. I suspect the honest answer is that it depends, in which case I would like to know on what.…
What I have: mazdutide · a C8 column · semaglutide. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…
What I am working with: aggregation · 37 °C. I keep seeing this stated as a fact with no explanation attached, and unexplained facts make me suspicious. My background…
For reference: fibrillation · semaglutide · 37 °C. I understand the observation; what I do not understand is the mechanism behind it. I have read the two review…
Stated plainly: retatrutide · a C18 column · semaglutide. Both of these get recommended confidently by different people, which suggests neither is obviously right. My…
The case in front of me: 95.2% · a C4 column · orforglipron. The figures are clear enough; the question is what they mean and what they do not. I can supply the…
Setup, so nobody has to ask: 96.4% · a C18 column · survodutide. I would like help reading this properly rather than being told what conclusion to reach. I have the…
Setup, so nobody has to ask: 98.8% · a C18 column · semaglutide. I have read the primary source rather than the summary, which has left me with more questions. I…
What I have: 99.4% · orforglipron. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is…
The particulars: tirzepatide · a wide-pore C18 column · semaglutide. I am trying to choose between two options that are usually discussed as though only one exists. I…
For reference: tirzepatide · a wide-pore C18 column · survodutide. I am trying to choose between two options that are usually discussed as though only one exists. I…
Stated plainly: dimerisation · cagrilintide · 25 °C. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows, I would…
Stated plainly: dimerisation · a GLP-1 receptor agonist · 25 °C. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody…
Setup, so nobody has to ask: aggregation · cagrilintide · 37 °C. I keep seeing this stated as a fact with no explanation attached, and unexplained facts make me…
The particulars: 98.4% · a wide-pore C18 column · cagrilintide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I…
The particulars: 96.8% · a wide-pore C18 column · cagrilintide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I…
The particulars: VendorInvestigate · 98.4%. An unexpected observation, and I would like a differential rather than reassurance. The conditions were within what I…
The particulars: 97.6% · survodutide. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
The specifics, since they change the answer: VendorInvestigate · 99.4%. An unexpected observation, and I would like a differential rather than reassurance. The…
Details up front: hydrolysis · orforglipron · 4 °C. I can predict the outcome but I cannot explain it, which means I will get the next case wrong. I would like to…
The particulars: deamidation · survodutide · minus 80 °C. I would like the mechanism, because I want to be able to reason about the cases nobody has written about. I…
Details up front: 98.8% · a C8 column · liraglutide. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at anyone…