title: Chromophoric labeling of amino acids with 4-dimethylaminoazobenzene-4'-sulfonyl chloride.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D004355:Drug Stability; D007202:Indicators and Reagents; D010455:Peptides / Q000032:analysis; D011506:Proteins / Q000032:analysis; D013050:Spectrometry, Fluorescence; D013450:Sulfones; D004124:p-Dimethylaminoazobenzene / Q000031:analogs & derivatives*
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents; D010455:Peptides; D011506:Proteins; D013450:Sulfones; D004124:p-Dimethylaminoazobenzene