Page 9 of 37 · 865 questions tagged batch-testing.
Conditions: QST · oral semaglutide. I have two candidate explanations and no way to distinguish them. The same procedure has worked without incident several times…
The specifics, since they change the answer: 97.1% · PeptideMeter · 95.2% · Janoshik. I am trying to choose between two options that are usually discussed as though…
This is my second independent submission on material from the same supplier. Somebody stated this to me confidently and I would like to check it before repeating it.…
The particulars: liraglutide · 4 °C · three days. I would like to define my thresholds before I have a result, for obvious reasons. I want a plan with explicit…
For reference: method section · TFC. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement than on…
This is my second independent submission on material from the same supplier. I can find plenty of assertions about this and almost no reasoning, which is usually a…
For reference: GL Biochem · Hubei Jianxiang Bioscience. I am trying to choose between two options that are usually discussed as though only one exists. I am not…
What I have: a GLP-1 receptor agonist · six weeks · 30 °C. This is a planning question. I know what my options are; I do not know how to weigh them. What I want is…
Details up front: 95.2% · Janoshik · 97.6% · Medutest. I have used one of these for a while and I am considering switching, which requires a reason. What I care about…
Details up front: JEEP · dulaglutide. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the evidence exists…
What I am working with: ERP · identity confirmation by mass spectrometry. I have worked this out and I would like someone to find the error, because I suspect there…
Details up front: batch certificate · WXT. I would rather over-plan the first cycle and simplify later. I am prepared to do the work if someone can tell me which work…
Numbers first: SWB · Shanghai ERP Biotechnology. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…
The case in front of me: semaglutide · twelve weeks · room temperature. I want to decide this in advance so that I am not deciding it under pressure later. Assume I…
The particulars: 99.1% · PeptideMeter · 96.8%. An unexpected observation, and I would like a differential rather than reassurance. The conditions were within what I…
Setup, so nobody has to ask: lot-specific certificate · JEEP. I am trying to build something sustainable rather than something thorough that I will abandon. I have…
Stated plainly: an endotoxin test · a ten-person group buy. I am trying to build something sustainable rather than something thorough that I will abandon. I have…
Concretely: ecnoglutide · four weeks · 30 °C. The failure mode I am trying to avoid is making this decision emotionally. I have twelve months in view and I would like…
I am comparing three suppliers on documentation rather than on price. I am trying to do this correctly the first time rather than learn it by getting it wrong. I have…
What I am working with: dulaglutide · room temperature · ten days. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but…
What I have: Janoshik · BCH. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear to disagree, which is…
What I am working with: 99.1% · Medutest · 95.2% · Medutest. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can…
Numbers first: SWB · WuXi TIDES. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is reproducibility,…
What I have: 98.2% · Janoshik · 97.9% · PeptideMeter. I have used one of these for a while and I am considering switching, which requires a reason. What I care about…