Amino Acid Analysis (AAA)

A quality control test that determines the amino acid composition and quantity of a peptide sample. Used alongside HPLC and mass spectrometry on COAs to verify peptide identity.

"Amino Acid Analysis (AAA)" is filed under Quality in the PeptideAtlas glossary, alongside 12 other terms in that group.

Terms you need to read this one

Certificate of Analysis (COA)

A document from a laboratory (ideally third-party) that certifies the identity, purity, potency, and quality of a substance. Essential for verifying research peptide quality.

HPLC (High-Performance Liquid Chromatography)

An analytical technique used to separate, identify, and quantify components in a mixture. Used in COAs to determine peptide purity percentage.

Mass Spectrometry (MS)

An analytical technique that measures the mass-to-charge ratio of molecules. Used in COAs to confirm peptide identity and molecular weight.

More Quality terms: Certificate of Analysis (COA), HPLC (High-Performance Liquid Chromatography), Mass Spectrometry (MS), Endotoxin, Purity, cGMP (Current Good Manufacturing Practice), CAS Number, INCI Name, LAL Test (Limulus Amebocyte Lysate), Sterility Testing, Degradation Product, Third-Party Testing.