title: Separation of 4-N,N-dimethylaminoazobenzene-4'-sulfonyl amino acids on polyamide sheets.
mesh_terms: D000577:Amides; D000596:Amino Acids / Q000032:analysis*; D002855:Chromatography, Thin Layer / Q000379:methods; D007202:Indicators and Reagents; D008722:Methods; D013450:Sulfones; D004124:p-Dimethylaminoazobenzene / Q000031:analogs & derivatives*
chemical_list: D000577:Amides; D000596:Amino Acids; D007202:Indicators and Reagents; D013450:Sulfones; D004124:p-Dimethylaminoazobenzene