Page 4 of 4 · 83 questions tagged peptide-mapping.
The case in front of me: a quantified content assay · fibrillation · dulaglutide. These are treated as interchangeable and I do not think they are. If both are…
Details up front: 96.8% · retatrutide. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is…
I have the report as a PDF with the chromatogram on page two, so I can quote specifics. The comparison I want does not seem to exist anywhere in a form I can…
Numbers first: 98.8% · orforglipron. 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 rather…
Stated plainly: 99.4% · cagrilintide. 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: 97.1% · tirzepatide. 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…
Conditions: 98.8% · liraglutide. 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…
The particulars: 99.4% · ecnoglutide. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor…
Concretely: 97.1% · liraglutide. 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…
What I am working with: 98.4% · a GLP-1 receptor agonist. I have worked this out and I would like someone to find the error, because I suspect there is one. My…
Conditions: a Karl Fischer water content test · deamidation · dulaglutide. I would like the axes of comparison first and the recommendation second. I have tried the…