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Original Article

An Improved Fluorometric Method for the Determination of Tryptophan in Urine Using Sephadex G-10 Extraction

Pages 249-254 | Received 24 Jan 1969, Accepted 17 Mar 1969, Published online: 08 Jul 2009

References

  • Contractor S. F., Jomain P. The use of Sephadex G-10 in the removal of inorganic salts and urea from rat and human urine prior to chromatography of 5-hydroxyindole metabolites. Clin. chim. Acta 1966; 14: 535
  • Denckla W. D., Dewly H. K. The determination of tryptophan in plasma, liver and urine. J. Lab. clin. Med. 1967; 69: 160
  • Eaker D., Porath J. Sorption effects in gel filtration: I. A survey of amino acid behavior in Sephadex G-10. Separation Sci. 1967; 2: 507
  • Hess S. M., Udenfriend S. A. A fluorometric procedure for the measurement of tryptamine in tissues. J. Pharmacol. exp. Ther. 1959; 127: 175
  • Jagenburg R., Rödjer S., Samsioe G. Separation of urinary constituents of low molecular weight on Sephadex G-10. Scand. J. clin. Lab. Invest. 1968; 22: 54
  • 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
  • Patrick R. L., Thiers R. E. The direct spectro-photometric determination of protein in cerebrosponal fluid. Clin. Chem. 1963; 9: 283

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