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homovanillic acid/musa balbisiana
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5 results
Simultaneous determination of the major acidic metabolites of catecholamines and serotonin in urine by liquid chromatography with electrochemical detection after a one-step sample clean-up on Sephadex G-10; influence of vanilla and banana ingestion.
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A simple method is described for the simultaneous determination of vanilmandelic acid (VMA), 3,4-dihydroxyphenylacetic acid (DOPAC), 5-hydroxyindole-3-acetic acid (5-HIAA) and homovanillic acid (HVA) in urine. The compounds are isolated by a one-step sample clean-up on Sephadex G-10, separated by
CSF sulfoconjugated catecholamines in man: their relationship with plasma catecholamines.
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Simultaneous plasma and cerebrospinal free and sulfoconjugated norepinephrine, epinephrine, dopamine and homovanillic acid determinations in 38 patients with various neurological disorders have shown consistently lower concentrations of dopamine sulfate, norepinephrine sulfate, and epinephrine
Increased urinary HVA levels in neuroblastoma screens related to diet, not tumor.
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At present, urinary vanillylmandelic acid (VMA) and/or homovanillic acid (HVA), metabolites of catecholamines, are the most sensitive diagnostic markers of neuroblastoma. They can be measured by the high-performance liquid chromatographic method, which has been used to screen for neuroblastoma in
[The influence of different diets and smoking on the clinical chemical diagnosis of pheochromocytoma, neuroblastoma, and carcinoid syndrome (author's transl)].
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The interference of various foodstuffs on methods to determine epinephrine (E), norepinephrine (NE), vanillylmandelic acid (VMA), metanephrines (MN), homovanillic acid (HVA), and 6-hydroxyindole acetic acid (5-HIA) in the 24 h urine for diagnosis of pheochromocytoma and carcinoid syndrome,
Acidic catecholamine metabolites and 5-hydroxyindoleacetic acid in urine: the influence of diet.
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Concentrations of vanillylmandelic acid (VMA), 3,4-dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA), vanillic acid (VA) and 5-hydroxyindoleacetic acid (5-HIAA) in urine from healthy subjects were determined by a high-performance liquid chromatography system with a mixed-mode
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