title: Subnanomole detection of phenylthiohydantoins of amino acids after thin-layer chromatography.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D002855:Chromatography, Thin Layer; D006827:Hydantoins / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D012997:Solvents; D013867:Thiohydantoins / Q000032:analysis*
chemical_list: D000596:Amino Acids; D006827:Hydantoins; D012997:Solvents; D013867:Thiohydantoins