Estimation of Michaelis--Menten constants in microsomal enzyme systems by the direct linear plot and least squares regression. 1978

B W Madsen, and M E McManus, and T L Woodings, and K F Ilett

1. Data from in vitro liver microsomal metabolism of ethylmorphine aniline and benzpyrene in male rats and male and female quokkas (Setonix Brachyurus) were fitted to the Michaelis--Menten equation by Wilkinson's non-linear regression procedure and Eisenthal and Cornish-Bowden's direct linear plot. 2. Ethylmorphine and aniline metabolism in the male quokka were non-ideal, but in all other instances there were no differences in the performance of the two methods.

UI MeSH Term Description Entries
D007614 Macropodidae A family of herbivorous leaping MAMMALS of Australia, New Guinea, and adjacent islands. Members include kangaroos, wallabies, quokkas, and wallaroos. Kangaroos,Macropus,Petrogale,Quokkas,Setonix,Wallabies,Wallabies, Rock,Wallaroo,Macropus robustus,Kangaroo,Petrogales,Quokka,Rock Wallabies,Rock Wallaby,Wallaby,Wallaby, Rock,Wallaroos
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008862 Microsomes, Liver Closed vesicles of fragmented endoplasmic reticulum created when liver cells or tissue are disrupted by homogenization. They may be smooth or rough. Liver Microsomes,Liver Microsome,Microsome, Liver
D012044 Regression Analysis Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable. Regression Diagnostics,Statistical Regression,Analysis, Regression,Analyses, Regression,Diagnostics, Regression,Regression Analyses,Regression, Statistical,Regressions, Statistical,Statistical Regressions
D004364 Pharmaceutical Preparations Drugs intended for human or veterinary use, presented in their finished dosage form. Included here are materials used in the preparation and/or formulation of the finished dosage form. Drug,Drugs,Pharmaceutical,Pharmaceutical Preparation,Pharmaceutical Product,Pharmaceutic Preparations,Pharmaceutical Products,Pharmaceuticals,Preparations, Pharmaceutical,Preparation, Pharmaceutical,Preparations, Pharmaceutic,Product, Pharmaceutical,Products, Pharmaceutical
D005036 Ethylmorphine A narcotic analgesic and antitussive. It is metabolized in the liver by ETHYLMORPHINE-N-DEMETHYLASE and used as an indicator of liver function. Ethomorphine,Dionine,Ethylmorphine Hydrochloride, (5alpha,6alpha)-Isomer,Ethylmorphine Hydrochloride, Dihydrate, (5alpha,6alpha)-Isomer,Ethylmorphine Sulfate (2:1), (5alpha,6alpha)-Isomer,Ethylmorphine, (5alpha,6beta)-Isomer,Trachyl
D005260 Female Females
D000814 Aniline Compounds Compounds that include the aminobenzene structure. Phenylamine,Phenylamines,Anilines,Compounds, Aniline
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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