Chromophoric azo reagents for amino acid and peptide labeling

• Author(s): Fraga, Susana M. B. ; Gonçalves, M. Sameiro T. ; Moura, João C. V. P. ; Rani, Kavitha
• Date: 2004
• Persistent ID: http://hdl.handle.net/1822/1978
• Origin: RepositóriUM - Universidade do Minho
• Subject(s): Azo dyes; Non-fluorescent; Peptide labeling; Amino acid labeling
• Document Type: Article
• Language: English

Description

Four carboxylic azo dyes are presented as new markers with spectroscopic absorption peaks ranging from 400 to 500 nm for amino acid and peptide labeling at their N-terminus. Labeling can also be performed at side chain residues as it is exemplified with lysine and serine.