title: Continuous spectrophotometric assay for nitrogenase.
mesh_terms: D000255:Adenosine Triphosphate; D002807:Chondroitin / Q000302:isolation & purification; D003013:Clostridium / Q000201:enzymology*; D004355:Drug Stability; D005288:Ferredoxins; D006859:Hydrogen; D006863:Hydrogen-Ion Concentration; D008722:Methods; D009584:Nitrogen; D009586:Nitrogen Fixation; D010088:Oxidoreductases / Q000032:analysis*; D013447:Sulfites; D014466:Ultraviolet Rays
chemical_list: D005288:Ferredoxins; D013447:Sulfites; D006859:Hydrogen; D000255:Adenosine Triphosphate; D002807:Chondroitin; D010088:Oxidoreductases; D009584:Nitrogen