Measurement of arachidonic acid in the plasma by gas-liquid chromatography-flame ionization using dihomo-gamma-linolenic acid as an internal standard. 1979

J G Gerber, and J S Barnes, and A S Nies

A gas-liquid chromatography-flame ionization method is described for measuring arachidonic acid in plasma using dihomo-gamma-linolenic acid as an internal standard. We found this technique to -e reproducible, and quicker and superior to previously described techniques because of the similar physico-chemical properties of the unsaturated fatty acid internal standard and arachidonic acid. In addition, we observed that the use of the saturated fatty acid, n-tricosanoic acid, was unsatisfactory as an internal standard because of its poor extractability from plasma as compared to arachidonic acid.

UI MeSH Term Description Entries
D002849 Chromatography, Gas Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001095 Arachidonic Acids Eicosatetraenoic Acids,Acids, Arachidonic,Acids, Eicosatetraenoic
D015126 8,11,14-Eicosatrienoic Acid A 20-carbon-chain fatty acid, unsaturated at positions 8, 11, and 14. It differs from arachidonic acid, 5,8,11,14-eicosatetraenoic acid, only at position 5. Homo-gamma Linolenic Acid,8,11,14 Eicosatrienoic Acid,Dihomo-gamma-Linolenic Acid,Dihomogammalinolenic Acid,Ro 12-1989,Dihomo gamma Linolenic Acid,Homo gamma Linolenic Acid,Linolenic Acid, Homo-gamma,Ro 12 1989,Ro 121989

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