Serum methionine: its rapid determination by continuous-flow colorimetry. 1978

D J Collins, and R Robinson, and A J Knell

A rapid automated method for the determination of serum methionine is presented for use with the Technicon AutoAnalyzer system. It is based on the decolorisation of halide platinates by organic sulphides, including methionine. The 5--95% reference range from 249 sera from hospital patients (excluding those with liver and renal diseases and diabetes) was 20--60 mumol/l, mean 35 mumol/l. The S.D. of the method for 40 duplicate samples was 2.2 mumol/l. Recoveries ranged from 101--105%. This measurement facilitates the clinical evaluation of liver disease, especially acute liver failure, kidney disease and diabetes mellitus.

UI MeSH Term Description Entries
D008715 Methionine A sulfur-containing essential L-amino acid that is important in many body functions. L-Methionine,Liquimeth,Methionine, L-Isomer,Pedameth,L-Isomer Methionine,Methionine, L Isomer
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
D003124 Colorimetry Any technique by which an unknown color is evaluated in terms of standard colors. The technique may be visual, photoelectric, or indirect by means of spectrophotometry. It is used in chemistry and physics. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001322 Autoanalysis Method of analyzing chemicals using automation. Autoanalyses

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