title: ON THE ADDITION OF A VARIABLE TO A PREVIOUSLY OPTIMIZED SYSTEM FOR THE MEASUREMENT OF THE NITRATE-NITRITE REDUCTASE ACTIVITY IN SALIVARY SEDIMENT.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006863:Hydrogen-Ion Concentration; D009566:Nitrates; D009572:Nitrite Reductases; D009573:Nitrites; D010084:Oxidation-Reduction; D010088:Oxidoreductases; D012106:Research; D012463:Saliva; D013696:Temperature
chemical_list: D009566:Nitrates; D009573:Nitrites; D010088:Oxidoreductases; D009572:Nitrite Reductases
keywords: CHEMISTRY; EXPERIMENTAL LAB STUDY; HYDROGEN-ION CONCENTRATION; NITRATES; NITRITES; OXIDOREDUCTASES; SALIVA; TEMPERATURE