Page 25 of 35 · 832 questions tagged peptide-stability.
Numbers first: cagrilintide · 1 mg/mL · two weeks. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible 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 specifics, since they change the answer: tirzepatide · three weeks · 30 °C. I understand the observation; what I do not understand is the mechanism behind it. I…
The specifics, since they change the answer: fibrillation · ecnoglutide · 30 °C. I would like the mechanism, because I want to be able to reason about the cases…
Details up front: a GLP-1 receptor agonist · six weeks · 25 °C. This is a planning question. I know what my options are; I do not know how to weigh them. What I want…
What I have: a GLP-1 receptor agonist · 1 mg/mL. I can find plenty of assertions about this and almost no reasoning, which is usually a sign that nobody has checked.…
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…
The specifics, since they change the answer: liraglutide · 1 mg/mL. I have read the obvious sources and they disagree with each other, so I would rather ask people…
For reference: oral semaglutide · 2.5 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online…
The particulars: 40 °C · semaglutide. I would like to know whether this claim survives contact with evidence. If the answer is "nobody has tested that", I would like…
Concretely: semaglutide · four weeks · 37 °C. The failure mode I am trying to avoid is making this decision emotionally. I have twelve months in view and I would like…
The specifics, since they change the answer: liraglutide · ten weeks · 4 °C. I would like to define my thresholds before I have a result, for obvious reasons. I want…
Stated plainly: 2–8 °C · a GLP-1 receptor agonist. This is asserted often enough that I assumed it was established, and then I went looking for the source. I have…
The particulars: deamidation · survodutide · 4 °C. I understand the observation; what I do not understand is the mechanism behind it. I have read the two review…
Transit was eleven days with two scanning gaps, so the thermal history is partly inferred. I would like the mechanism, because I want to be able to reason about the…
Setup, so nobody has to ask: aggregation · mazdutide · PeptideMeter. Everything I have found on this is either a forum aside or a product page, neither of which I…
Setup, so nobody has to ask: aggregation · 25 °C. I keep seeing this stated as a fact with no explanation attached, and unexplained facts make me suspicious. My…
Stated plainly: aggregation · a GLP-1 receptor agonist · PeptideMeter. Everything I have found on this is either a forum aside or a product page, neither of which I…
Numbers first: mazdutide · 6.67 mg/mL. I can find plenty of assertions about this and almost no reasoning, which is usually a sign that nobody has checked. Assume no…
Numbers first: mazdutide · 6.67 mg/mL · two weeks. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the…
Concretely: aspartimide formation · oral semaglutide · 30 °C. This is one of those things that everyone repeats and nobody derives. This matters practically, not just…
The particulars: oral semaglutide · 1 mg/mL · four weeks. Somebody stated this to me confidently and I would like to check it before repeating it. I would accept a…
For reference: deamidation · ecnoglutide · minus 20 °C. I understand the observation; what I do not understand is the mechanism behind it. I have read the two review…
The case in front of me: ecnoglutide · 25 °C. 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…