title: Letter: A note on the molar absorptivity of reduced Ellman's reagent, 3-carboxylato-4-nitrothiophenolate.
mesh_terms: D001565:Benzoates; D004220:Disulfides; D008722:Methods; D009574:Nitro Compounds; D010084:Oxidation-Reduction; D013053:Spectrophotometry; D013438:Sulfhydryl Compounds / Q000032:analysis*; D013439:Sulfhydryl Reagents
chemical_list: D001565:Benzoates; D004220:Disulfides; D009574:Nitro Compounds; D013438:Sulfhydryl Compounds; D013439:Sulfhydryl Reagents