Page 3 of 38 · 908 questions tagged peptide-stability.
Stated plainly: dulaglutide · 25 °C · ten days. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not tight, and my…
Conditions: ecnoglutide · 3.33 mg/mL. I have done this once and I suspect I got away with it rather than got it right. For context: I keep records of every batch,…
Numbers first: cagrilintide · six weeks · 25 °C. I can predict the outcome but I cannot explain it, which means I will get the next case wrong. I would like to know…
Stated plainly: room temperature · retatrutide. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the…
What I have: hydrolysis · dulaglutide · 2–8 °C. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring answer. I…
Concretely: semaglutide · 37 °C · twenty-one days. The failure mode I am trying to avoid is making this decision emotionally. I have twelve months in view and I would…
Numbers first: mazdutide · 1 mg/mL · two weeks. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the…
What I have: cagrilintide · 6.67 mg/mL. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method…
The specifics, since they change the answer: minus 20 °C · semaglutide. Somebody stated this to me confidently and I would like to check it before repeating it. I…
Concretely: aspartimide formation · 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…
The particulars: fibrillation · semaglutide · 30 °C. I would like the mechanism, because I want to be able to reason about the cases nobody has written about. I have…
Setup, so nobody has to ask: dimerisation · a GLP-1 receptor agonist · minus 20 °C. The empirical answer seems settled. The explanation does not. If the honest answer…
The case in front of me: ecnoglutide · 20 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…
Conditions: 37 °C · liraglutide. I want to know whether there is evidence behind this or only repetition. I have checked the obvious registries and monographs without…
Conditions: oxidation · liraglutide · 30 °C. This is one of those things that everyone repeats and nobody derives. This matters practically, not just academically,…
The case in front of me: ecnoglutide · minus 20 °C · twenty-one days. The failure mode I am trying to avoid is making this decision emotionally. I have twelve months…
Conditions: minus 20 °C · tirzepatide. The claim is plausible, which is exactly why I want to check it. I am able to read a paper if someone points me at one. Can…
The case in front of me: ecnoglutide · 2 mg/mL · three weeks. I want to know whether there is evidence behind this or only repetition. I have checked the obvious…
The specifics, since they change the answer: fibrillation · a wide-pore C18 column. I understand the observation; what I do not understand is the mechanism behind it.…
Setup, so nobody has to ask: retatrutide · two weeks · 30 °C. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows,…
What I am working with: dimerisation · minus 80 °C. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows, I would…
Stated plainly: retatrutide · 20 mg/mL · six weeks. This has the shape of a fact but I cannot find its origin. What I found instead were three secondary sources all…
Conditions: aspartimide formation · liraglutide · 30 °C. I want to know whether this is a real physical effect or an artefact of how it is measured. What prompted the…
Details up front: a GLP-1 receptor agonist · 4 mg/mL. I would like to understand the steps well enough to explain them to someone else. I have access to a…