title: Determination of creatinine by an ammonia-sensitive semiconductor structure and immobilized enzymes.
mesh_terms: D000641:Ammonia / Q000032:analysis*; D001826:Body Fluids / Q000032:analysis; D003404:Creatinine / Q000032:analysis*; D004800:Enzymes, Immobilized; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D012666:Semiconductors
chemical_list: D004800:Enzymes, Immobilized; D007202:Indicators and Reagents; D000641:Ammonia; D003404:Creatinine