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Research articles
Plain-language guides for researchers. Educational only — no dosing or medical guidance.
What Is a Peptide? A Plain-Language Introduction
Learn what peptides are, how they differ from proteins, how they are made in the lab, and why researchers study them.
What Is a Certificate of Analysis (COA)?
A plain-language guide to peptide COAs: what they contain, who issues them, how to check them, and why they matter for research.
How to Read HPLC Purity Results on a Peptide COA
Learn what HPLC purity percentages, chromatograms, retention times and mass spec results mean on a research peptide lab report.
Storing Lyophilized Peptides in the Lab
General laboratory guidance on storing freeze-dried research peptides: temperature, light, moisture, reconstituted samples and record keeping.
What “For Research Use Only” Means
What the research-use-only label means for peptide buyers, who RUO products are for, and why suppliers do not give dosing or usage guidance.