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06Reference

Terminology Glossary

Plain-language definitions for the core terms used across peptide research — from amino acids and lyophilisation to COAs and RUO.

  • 3 min read
  • Guide 6 of 7

A quick reference for the core terminology used throughout peptide research.

Amino Acid
The fundamental building block of peptides and proteins.
Peptide
A short chain of amino acids linked by peptide bonds.
Protein
A larger and more complex chain of amino acids.
Lyophilised
A freeze-drying process used to improve long-term stability.
Reconstitution
The process of dissolving a lyophilised compound into a liquid solution.
Purity
The percentage of the desired compound present within a sample.
Batch Number
A unique identifier assigned to a production lot.
HPLC
High Performance Liquid Chromatography, used to evaluate purity.
Mass Spectrometry
An analytical technique used to determine molecular mass and identity.
COA
Certificate of Analysis; a document summarising laboratory test results.
Stability
The ability of a compound to maintain its characteristics over time.
Research Use Only (RUO)
Indicates a product is intended solely for laboratory and research applications.

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