Chromophore
The part of a molecule responsible for UV absorbance. In peptides: the amide bond below 230 nm, and Trp/Tyr near 280 nm.
Related terms
- Wavelength, detection
- The UV wavelength at which absorbance is measured. 214 nm sees the amide backbone; 280 nm sees only aromatic residues. Purity figures at the two are not comparable.
see also Photodiode array (PDA) · Chromophore
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