Research notes.
News, research, and regulatory shifts in the peptide space. Written by the Biopunk team.

What Does “Research Use Only” Mean on Peptides?
What the Research Use Only label on a peptide means, what research use covers, what it rules out, and why we don’t answer some questions.
Read
How to Read a Peptide Certificate of Analysis (COA)
How to read a peptide certificate of analysis: what HPLC purity measures, what mass spec confirms, and why purity isn’t peptide content.
Read
Do Peptides Expire? The Shelf Life of Lyophilized Peptides
Yes, peptides degrade over time. Here’s what decides the shelf life of a dry, lyophilized peptide, and how to read the dates on a vial.
Read
How to Store Lyophilized Peptides
Fridge, freezer or room temperature? A plain guide to storing dry, lyophilized research peptides, and why light, moisture and air matter.
Read