High-pressure liquid chromatographic assay of cloxacillin in serum and urine. 1982

F W Teare, and R H Kwan, and M Spino, and S M MacLeod

Two rapid, specific, and sensitive high-pressure liquid chromatographic (HPLC) assays were developed for cloxacillin in serum and urine. A reversed-phase column (RP-8) was selected for use with two different sets of HPLC conditions and sample pretreatment procedures. Cloxacillin extraction efficiencies are reported from serum and urine. Equations are presented for linear relationships between peak height or peak area ratios of cloxacillin to nafcillin (internal standard) and the cloxacillin concentration over a range of 0-80 micrograms/ml. The sensitivity limit of these assays was approximately 0.3 microgram/ml of a standard solution for one method and 0.05 microgram /ml for the other HPLC assay.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D009254 Nafcillin A semi-synthetic antibiotic related to penicillin. Naphthamidopenicillin,Sodium Nafcillin,Nafcil,Nafcillin Sodium,Nafcillin, Monosodium Salt, Anhydrous,Nafcillin, Sodium,Sodium, Nafcillin
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D003023 Cloxacillin A semi-synthetic antibiotic that is a chlorinated derivative of OXACILLIN. Chloroxacillin,Sodium Cloxacillin,Cloxacillin Sodium,Syntarpen,Tegopen,Cloxacillin, Sodium,Sodium, Cloxacillin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations

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