Cold chain
Maintaining a controlled low temperature through shipping and storage. Its failure has a specific analytical signature: oxidation and, for disulfides, reduction.
Related terms
- Oxidation
- Addition of oxygen. Methionine to sulfoxide (+15.995) then sulfone (+31.990); tryptophan to oxindole and beyond; cysteine to sulfonic acid.
see also Sulfoxide · Oxidation ladder
Where this term appears
The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.
- Assay report records — the term appears in result tables, peak tables and provenance blocks
- Method references — where the measurement behind the term is defined
- All 23 glossary terms beginning with C