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Simultaneous determination of noradrenaline and 3-methoxy-4-hydroxyphenylglycol in plasma with high-performance
1Department of Psychosomatic Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan.
Analytical Biochemistry
|December 1, 1988
Abstract:
We herein report the simultaneous determination of the levels of noradrenaline (NA), and 3-methoxy-4-hydroxyphenylglycol (MHPG), a major metabolite of NA. The sample was subjected to a Sep Pak C18 cartridge prior to the NA and MHPG assay by high-performance liquid chromatography with an electrochemical detector. The results correlated well with the established methods. The average percentage of recovery was 91.2 and 98.7% for NA and MHPG, respectively. The intraassay coefficients of variation were 3.7 and 4.6% for NA and MHPG. The interassay coefficients of variation were 3.5 and 7.5% for NA and MHPG, respectively.