Dr. X. Chris Le
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1990 - 1999
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1990 - 1999

46.Le, X.C.; Ma, M.; Lai, V. Exposure to arsenosugars from seafood ingestion and speciation of urinary arsenic metabolites. in C.O. Abernathy, R.L. Calderon, and W.R. Chappell (Eds.), Arsenic Exposure and Health Effects, Elsevier Science. 69-79 (1999).
45. Le, X.C. Arsenic speciation in the environment. ACCN (Canadian Chemical News), September, 18-20 (1999).
44.Wan, Q.; Le, X.C. Fluorescence polarization studies of affinity interactions in capillary electrophoresis. Analytical Chemistry, 71, 4183-4189 (1999)
43.Feldmann, J.; Lai, V.W.M.; Cullen, W.R.; Ma, M.; Lu, X.; Le, X.C. Sample preparation and storage can change arsenic speciation in human urine. Clinical Chemistry, 45, 1988-1997 (1999).
42.Wan, Q.H.; Le, X.C. Capillary electrophoresis immunoassays for digoxin and gentamicin with laser-induced fluorescence polarization detection. Journal of Chromatography B, 734, 31-38 (1999).
41.Calderon, R.L.; Hudgens, E.E.; Le, X.C.; Schreinemachers, D.M.; Thomas, D.J. Excretion of arsenic in urine as a function of arsenic exposure in drinking water. Environmental Health Perspectives, 107, 663-667 (1999).
40.Wan, Q.H.; Le, X.C. Capillary electrophoresis coupled with laser-induced fluorescence polarization as a hybrid approach to ultrasensitive immunoassays. Journal of Chromatography A, 853, 555-562 (1999).
39.Lam, M.T. ; Wan, Q.H.; Boulet, C.A.; Le, X.C. Competitive immunoassay for staphylococcal enterotoxin A using capillary electrophoresis with laser-induced fluorescence detection. Journal of Chromatography A, 853, 545-553 (1999).
38.Martin, C.; Le, X.C.; Guidotti, T.; Yalcin, S.; Chum, E.; Audett, R.; Liang, C.; Yuan, B.; Zhang, X.; Wu, J. Zinc exposure in Chinese foundry workers. American Journal of Industrial Medicine, 35, 574-580 (1999).
37.Le, X.C.; Tan, W.; Scaman, C.; Szpancendo, A.; Arriaga, E.; Zhang. Y.; Dovichi, N.J.; Hindsgaul, O.; Palcic, M.M. Single cell studies of enzymatic hydrolysis of a tetramethylrhodamine labeled triglucoside in yeast. Glycobiology, 9, 219-225 (1999).
36.Le, X.C.; Xing, J.Z.; Lee, J.; Leadon, S.A.; Weinfeld, M. Inducible repair of thymine glycols detected by an ultrasensitive assay for DNA damage. Science, 280, 1066-1069 (1998).
35. Le, X.C.; Ma, M. Short-column liquid chromatography with hydride generation atomic fluorescence detection for the speciation of arsenic. Analytical Chemistry, 70, 1926-1933 (1998).
34. Le, X.C.; Li, X.-F.; Lai, V.; Ma, M.; Yalcin, S.;Feldmann, J. Simultaneous speciation of selenium and arsenic using elevated temperature liquid chromatography separation with inductively coupled plasma mass spectrometry detection. Spectrochimica Acta B, 53, 899-909 (1998).
33. Ye, L.; Le, X.C.; Xing, J.Z.; Ma, M.; Yatscoff, R. Competitive immunoassay capillary electrophoresis with laser induced fluorescence polarization detection for the analysis of cyclosporine A. Journal of Chromatography B,714, 59-67 (1998).
32. Yalcin, S.; Le, X.C. Low pressure chromatographic separation of inorganic arsenic species using solid phase extraction cartridges. Talanta, 47, 787-796 (1998).
31. Ma, M.; Le, X.C. Effect of arsenosugar ingestion on urinary arsenic speciation. Clinical Chemistry, 44, 539-550 (1998).
30. Le, X.C.; Zhang, Y.; Dovichi, N.J.; Compston, C.A.; Palcic, M.M.; Beever, R.J; Hindsgaul, O. Study of the enzymatic transformation of fluorescently labeled oligosaccharides in human epidermoid cells using capillary electrophoresis with laser induced fluorescence detection. Journal of Chromatography A, 781, 515-522 (1997).
29. Le, X.C.; Ma, M. Speciation of arsenic compounds using ion pair chromatography with atomic spectrometry and mass spectrometry detection. Journal of Chromatography A, 764, 55-64 (1997).
28. Le, X.C.; Ma, M.; Wong, N.A. Speciation of arsenic compounds using high performance liquid chromatography at elevated temperature and selective hydride generation atomic fluorescence detection. Analytical Chemistry, 68, 4501-4506 (1996).
27. Li, X.-F.; Le, X.C.; Simpson, C.D.; Cullen, W.R.; Reimer, K.J. Bacterial transformation of pyrene in a marine environment. Environmental Science and Technology, 30, 1115-1119 (1996).
26. Li, X-F.; Cullen, W.R.; Reimer, K.J.; Le, X-C. Degradation of pyrene by indigenous microorganisms and characterization of a metabolite. Science of the Total Environment, 177, 17-29 (1996).
25. Le, X.C.; Scaman, C.; Zhang, Y., Zhang, J.; Dovichi, N.J.; Hindsgaul, O.; Palcic, M.M. Capillary electrophoresis laser induced fluorescence analysis of oligosaccharides produced from enzyme reactions. Journal of Chromatography A, 716, 215-220 (1995).
24. Zhang, Y.; Le, X.C.; Dovichi, N.J.; Compston, C.A.; Palcic, M.M.; Diedrich, P.; Hindsgaul, O. Monitoring biosynthetic transformations of N-acetyllactosamine using fluorescently labeled oligosaccharides and capillary electrophoretic separation. Analytical Biochemistry, 227, 368-376 (1995).
23. Le, X-C.; Cullen, W.R.; Reimer, K.J. Speciation of arsenic compounds in some marine organisms. Environmental Science and Technology, 28, 1598-1604 (1994).
22. Le, X-C.; Cullen, W.R.; Reimer, K.J. Human urinary arsenic excretion after one- time ingestion of seaweed, crab, and shrimp.Clinical Chemistry, 40, 617-624 (1994).
21. Le, X-C.; Cullen, W.R.; Reimer, K.J. Effect of cysteine on the speciation of arsenic by using hydride generation atomic absorption spectrometry. Analytica Chimica Acta, 285, 277-285 (1994).
20. Le, X-C.; Cullen, W.R.; Reimer, K.J. Speciation of arsenic compounds by HPLC with hydride generation atomic absorption spectrometry and inductively coupled plasma mass spectrometry detection. Talanta, 41, 495-502 (1994).
19. Le, X-C.; Cullen, W.R.; Reimer, K.J. Determination of urinary arsenic and impact of dietary arsenic intake. Talanta, 40, 185-193 (1993).
18. Zhu, L.; Lu, J.; Le, X.-C. Determination of mercury in environmental and biological samples by cold vapor atomic absorption spectrometry. Microchimica Acta, 111, 207-213 (1993).
17. Le, X-C.; Cullen, W.R.; Reimer, K.J. Decomposition of organoarsenic compounds by using a microwave oven and subsequent determination by flow injection hydride generation atomic absorption spectrometry. Applied Organometallic Chemistry, 6, 161-171 (1992).
16. Le, X-C.; Cullen, W.R.; Reimer, K.J.; Brindle, I.D. A new continuous hydride generator for the determination of arsenic, antimony, and tin by hydride generation atomic absorption spectrometry. Analytica Chimica Acta, 258, 307-315 (1992).
15. Brindle, I.D.; Alarabi, H.; Karshman, S.; Le, X-C.; Zheng, S.; Chen, H. Combined generator/separator for continuous hydride generation: application to on-line pre-reduction of arsenic(V) and determination of arsenic in water by atomic emission spectrometry. Analyst (London), 117, 407-411 (1992).
14. Chen, H.; Brindle, I.D.; Le, X-C. Pre-reduction of arsenic(V) to arsenic(III), enhancement of signals and reduction of interferences by L-cysteine in the determination of arsenic by hydride generation direct current plasma atomic emission spectrometry. Analytical Chemistry, 64, 667-672 (1992).
13. Brindle, I.D.; Brindle, M.; Le, X-C.; Chen, H. Pre-concentration by co-precipitation: Part I, Rapid method for the determination of ultra-trace amounts of germanium in natural waters by hydride generation atomic emission spectrometry. Journal of Analytical Atomic Spectrometry, 6, 129-132 (1991).
12. Brindle, I.D.; Le, X-C. A new sample introduction system for direct current plasma atomic emission spectrometry. Journal of Analytical Atomic Spectrometry, 5, 559-562 (1990).
11. Brindle, I.D.; Le, X-C. Application of direct current plasma atomic emission spectrometry in geological analysis. Geoscience Canada, 17, 41-46 (1990).
10. Brindle, I.D.; Le, X-C. Reduction of interference in the determination of germanium by hydride generation and atomic emission spectrometry. Analytica Chimica Acta, 229, 239-247 (1990).