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Scandinavian Journal of Clinical and Laboratory Investigation Volume 28, 1971 - Issue 1
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Original Article

Light- a Source of Error in the Fluorometric Determination of Tryptophan

J. Lehmann Department of Pharmacology, University of Göteborg, Göteborg, Sweden
Pages 49-55 | Received 01 Mar 1971, Accepted 03 Apr 1971, Published online: 08 Jul 2009

References

  • Andén N.-E., Magnusson T. An improved method for the fluorometric determination of 5-hydroxytryptamine in tissues. Acta physiol. scand. 1967; 69: 87
  • Arterberry J. D., Conley M. P. Urinary excretion of serotonin (5-hydroxytryptamine) and related indoles in normal subjects. Clin. chim. Acta. 1967; 17: 431–440
  • Contractor S. F. The estimation of 5-hydroxytryptamine in human blood. Biochem. Pharmacol. 1964; 13: 1351–1357
  • Contractor S. F. A rapid quantitative method for the estimation of 5-hydroxyindole acetic acid in human urine. Biochem. Pharmacol. 1966; 15: 1701–1706
  • Denckla W. D., Dewey H. K. The determination of tryptophan in plasma, liver and urine. J. Lab. clin. Med. 1967; 69: 160
  • Häggendal J. On the use of strong exchange resins for determination of small amounts of catechol amines. Scand. J. clin. Lab. Invest. 1962; 14: 538–544
  • Jonsson J., Lewander T. A method for the simultaneous determination of 5-hydroxy-3-indole acetic acid (5-HIAA) and 5-hydroxy-tryptamine in brain and cerebrospinal fluid. Acta physiol. scand. 1970; 78: 43–51
  • Lehmann J. Fluorometric determination of tryptophan in normal and carcinoid blood and urine. Errors in urine analysis. Scand. J. clin. Lab. Invest. 1968; 22: 72
  • Lehmann J. An improved method for the determination of tryptophan in urine using Sephadex G-10 extraction. Scand. J. Lab. clin. Invest. 1969; 23: 249

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