AssayIndex
Physical

Photostability

Resistance to light. Tryptophan-containing peptides and the quinolinium adjuncts degrade in clear glass; amber glass is the mitigation.

Related terms

Oxidation
Addition of oxygen. Methionine to sulfoxide (+15.995) then sulfone (+31.990); tryptophan to oxindole and beyond; cysteine to sulfonic acid.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.