Electrochemical oxidation of tryptophan and its analysis in pharmaceutical formulations at a poly(methyl red) film-modified electrode

Analytical Letters

Volumn 43, Issue 1, 2010, Pages 176-185

  Huang, Ke Jing ^a   Xu, Chun Xuan ^a   Sun, Jun Yong ^a   Xie, Wan Zhen ^a   Peng, Liu ^a  

^a XINYANG NORMAL UNIVERSITY   (China)

Author keywords

Chemically modified electrode; Methyl red; Tryptophan; Voltammetric determinationi

Indexed keywords

EID: 74349130000     PISSN: 00032719     EISSN: 1532236X     Source Type: Journal    
DOI: 10.1080/00032710903276604     Document Type: Article

References (23)

1. Carlsson, A., and M. N. S. Lindqvist. 1978. Dependence of 5-HT and catecholamine synthesis on concentrations of precursor amino-acids in rat brain. Naunyn Schmiedebergs Arch. Pharmacol. 303: 157-64.
2. Chen, G. N., Z. F. Zhao, X. L. Wang, J. P. Duan, and H. Q. Chen. 2002. Electrochemical behavior of tryptophan and its derivatives at a glassy carbon electrode modified with hemin. Anal. Chim. Acta 452: 245-54.
3. Femstrom, H. F., and J. D. Femstrom. 1995. Acute tyrosine depletion reduces tyrosine hydroxylation in rat central nervous system. Life Sci. 57: 97-102.
4. Fiorucci, A. R., and E. T. G. Cavalheiro. 2002. The use of carbon paste electrode in the direct voltammetric determination of tryptophan in pharmaceutical formulations. J. Pharm. Biomed. Anal. 28: 909-15
5. Fitznar, H. P., J. M. Lobbes, and G. Kattner. 1999. Determination of enantiomeric amino acids with high-performance liquid chromatography and pre-column derivatisation with o-phthaldialdehyde and N-isobutyrylcysteine in seawater and fossil samples (mollusks). J. Chromatogr. A 832: 123-32.
6. Galal, A. J. 1998. Electrocatalytic oxidation of some biologically important compounds at conducting polymer electrodes modified by metal complexes. Solid State Electrochem. 2: 7-15.
7. Hanaoka, S., J. Lin, and M. Yamad. 2000. Chemiluminescence behavior of the decomposition of hydrogen peroxide catalyzed by copper(II)-amino acid complexes and its application to the determination of tryptophan and phenylalanine. Anal. Chim. Acta 409: 65-73.
8. Inzelt, G., M. Pineri, J. W. Schultze, and M. A. Voroyntsev. 2000. Electron and proton conducting polymers: Recent developments and prospects. Electrochim. Acta 45: 2403-21.
9. Jin, G. P., and X. Q. Lin. 2004. The electrochemical behavior and amperometric determination of tyrosine and tryptophan at a glassy carbon electrode modified with butyrylcholine. Electrochem. Commun. 6: 454-60.
10. Kochen, W., and H. Steinhart. 1994. l-Tryptophan-Current Prospects in Medicine and Drug Safety. Berlin: de-Gruyter.
11. Kunkel, A., S. Gunter, and H. Watzig. 1997. Determination of pharmaceuticals in plasma by capillary electrophoresis without sample pretreatment reproducibility, limit of quantitation and limit of detection. Electrophoresis 18: 1882-89.
12. Kunkel, A., and H. Watzig. 1999. Pharmacokinetic investigations with direct injection of plasma samples: Possible savings using capillary electrophoresis (CE). Archiv. der Pharmazie 332: 175-78.
13. Lundstroem, K. 1983. A pyrolytic carbon film electrode for voltammetry: Part 2. Oxidative Differential Pulse Voltammetry of Selected Organic Molecules. Anal. Chim. Acta 146: 109-15.
14. Pulgarin, J. A. M., and L. F. G. Bermejo. 1996. Flow-injection stopped-flow spectrofluorimetric kinetic determination of paracetamol based on its oxidation reaction by hexacyanoferrate(III). Anal. Chim. Acta 333: 59-69.
15. Saeed, S., and F. Leila. 2007. Carbon paste electrode incorporating multi-walled carbon nanotube/cobalt salophen for sensitive voltammetric determination of tryptophan. Sens. Actuators, B 123: 942-49.
16. Sandulescu, R., S. Mirel, and R. Oprean. 2000. The development of spectrophotometric and electroanalytical methods for ascorbic acid and acetaminophen and their applications in the analysis of effervescent dosage forms. J. Pharm. Biomed. Anal. 23: 77-87.
17. Saurina, J., S. Hern-andez-Cassou, E. F-abregas, and S. Alegret. 2000. Cyclic voltammetric simultaneous determination of oxidizable amino acids using multivariate calibration methods. Anal. Chim. Acta 405: 153-60.
18. Shervington, L. A., and N. Sakhnini. 2000. A quantitative and qualitative high performance liquid chromatographic determination of acetaminophen and five of its para-substituted derivatives. J. Pharm. Biomed. Anal. 24: 43-49.
19. Tucker, D. J., A. M. Bond, Z. Qing, and D. E. Ricett. 1989. A study of the electrochemistry of tryptophan, peptides containing tryptophan, and related compounds (indoles) at mercury electrodes. J. Electroanal. Chem. 261: 127-46.
20. Wang, G. S., T. Z. Peng, B. Z. Shen, P. L. Zhu, and L. N. Qu. 1993. Ch. J. Anal. Chem. 21: 779-82.
21. Wu, F. H., G. C. Zhao, X. W. Wei, and Z. S. Yang. 2004. Electrocatalysis of tryptophan at multi-walled carbon nanotube modified electrode. Microchim. Acta 144: 243-47.
22. Wu, J. M., Q. Z. Shi, G. S. Wang, and T. Z. Peng. 1994. Potato-juice modified carbon paste electrode for the determination of tryptophan. Chin. J. Anal. Chem. 22: 599-601.
23. Yu, W. T., H. M. Zhang, G. S. Chen, C. Y. Tu, and P. K. Ouyang. 2004. Novel method for spectrophotometric determination of L-tryptophan in the enzymatic resolution of DL-N-acetyl-tryptophan. Microchim. Acta 146: 285-90.