A direct method for the estimation of ornithine carbamoyltransferase activity in serum. 1976

M Ohshita, and H Takeda, and Y Kamiyama, and K Ozawa, and I Honjo

Ornithine carbamoyltransferase (EC 2.1.3.3) activity was estimated by determining the amount of citrulline produced. The citrulline was colorimetrically measured by using a diacetylmonoxime-thiosemicarbazide reaction without deproteinization. The color complex which had the maximum absorbance at 515 nm was stable at room temperature in daylight for at least several hours. The proposed method was superior to other methods already reported in sensitivity, stability and simplicity.

UI MeSH Term Description Entries
D007565 Jaundice A clinical manifestation of HYPERBILIRUBINEMIA, characterized by the yellowish staining of the SKIN; MUCOUS MEMBRANE; and SCLERA. Clinical jaundice usually is a sign of LIVER dysfunction. Icterus,Jaundice, Hemolytic,Hemolytic Jaundice,Hemolytic Jaundices,Jaundices, Hemolytic
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D009954 Ornithine Carbamoyltransferase A urea cycle enzyme that catalyzes the formation of orthophosphate and L-citrulline (CITRULLINE) from CARBAMOYL PHOSPHATE and L-ornithine (ORNITHINE). Deficiency of this enzyme may be transmitted as an X-linked trait. EC 2.1.3.3. Ornithine Transcarbamylase,Ornithine Carbamylphosphate Transferase,Carbamoyltransferase, Ornithine,Carbamylphosphate Transferase, Ornithine,Transcarbamylase, Ornithine,Transferase, Ornithine Carbamylphosphate
D002956 Citrulline
D003931 Diacetyl Carrier of aroma of butter, vinegar, coffee, and other foods. 2,3-Butanedione,Biacetyl,Diketobutane,Dimethyldiketone,Dimethylglyoxal,2,3 Butanedione
D004355 Drug Stability The chemical and physical integrity of a pharmaceutical product. Drug Shelf Life,Drugs Shelf Lives,Shelf Life, Drugs,Drug Stabilities,Drugs Shelf Life,Drugs Shelf Live,Life, Drugs Shelf,Shelf Life, Drug,Shelf Live, Drugs,Shelf Lives, Drugs
D006358 Hot Temperature Presence of warmth or heat or a temperature notably higher than an accustomed norm. Heat,Hot Temperatures,Temperature, Hot,Temperatures, Hot
D006461 Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity. Haemolysis,Extravascular Hemolysis,Intravascular Hemolysis,Extravascular Hemolyses,Haemolyses,Hemolyses, Extravascular,Hemolyses, Intravascular,Hemolysis, Extravascular,Hemolysis, Intravascular,Intravascular Hemolyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012663 Semicarbazides Derivatives of UREA where one of the amino groups is replaced with hydrazine.

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