What Does Research Use Only Mean?
Research use only (RUO) is a categorical scope statement, not a marketing disclaimer. This article explains what RUO designates, what it excludes, and how laboratories should treat material supplied under it. The RUO designation Research use only material is supplied for laboratory study and analytical reference. It is not for human or veterinary administration, not […]
HPLC vs Mass Spectrometry: Verifying Peptide Purity
HPLC and mass spectrometry are the two pillars of research peptide characterization. They answer different questions, and a COA that presents only one has answered only half of what matters. This article explains what each method measures, what each cannot, and how the two combine into a verifiable identity-and-purity claim. What is HPLC? High-performance liquid […]
What Are Research Peptides?
An introduction to peptides used in laboratory research — what they are, how they are synthesized, and why analytical purity matters.