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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Determination of catecholamines and their 3-O-methylated metabolites in urine by mass fragmentography with use of deuterated internal standards.

We report the determination of catecholamines (dopamine, norepinephrine, and epinephrine) and their 3-O-methylated metabolites (3-methoxytyramine, normetanephrine, and metanephrine) in urine by gas chromatography/ mass spectrometry, with use of stable isotopically labeled internal standards. Normal excretion values in terms of creatinine, expressed as a function of age, are given, together with results obtained for patients with neuroblastoma, ganglioneuroblastoma, pheochromocytoma, parkinsonism treated with L-DOPA plus peripheral decarboxylase inhibitor, and a patient with cardiogenic shock treated with dopamine. The results obtained for normal adults are discussed in relation to other catecholamine metabolites and mean overall catecholamine turnover.[1]

References

  1. Determination of catecholamines and their 3-O-methylated metabolites in urine by mass fragmentography with use of deuterated internal standards. Muskiet, F.A., Thomasson, C.G., Gerding, A.M., Fremouw-Ottevangers, D.C., Nagel, G.T., Wolthers, B.G. Clin. Chem. (1979) [Pubmed]
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