Primer
8 min
Reading a peptide certificate of analysis
Five fields that matter, four that don't, and the one number to never overlook.
Read noteJournal · vol. 04
Notes from the laboratory.
Protocol
6 min
Reconstitution: bacteriostatic water vs. sterile water
When solvent choice changes assay outcomes — and when it doesn't.
Read noteStandards
11 min
Why endotoxin matters more than purity
A 99.9% pure peptide with 5 EU/mg is not a 99.9% pure peptide.
Read noteField note
7 min
Cold-chain failure modes we engineer against
What happens between Zürich and your bench, and how we instrument it.
Read notePrimer
5 min
Lyophilisation cake morphology, briefly
What a healthy lyo cake looks like and what collapse tells you.
Read noteStandards
9 min
Inside our HPLC release criteria
Why we reject batches that would pass elsewhere.
Read note