Factors affecting the performance of capillary isoelectric focusing in dynamically coated capillaries using polyethylene oxide polymer

Analytical Letters

Volumn 41, Issue 10, 2008, Pages 1914-1931

  Al Ghobashy, Medhat A ^a   Williams, Martin A K ^a   Harding, David R K ^a  

^a MASSEY UNIVERSITY   (New Zealand)

Author keywords

CIEF; Dynamic coating; EOF; Factorial design; Polyethylene oxide

Indexed keywords

EID: 48749127483     PISSN: 00032719     EISSN: 1532236X     Source Type: Journal    
DOI: 10.1080/00032710802162319     Document Type: Article

References (34)

1. Chang, P.-L., Chiu, T.-C., and Chang, H.-T. 2006. Stacking, derivatization, and separation by capillary electrophoresis of amino acids from cerebrospinal fluids. Electrophoresis, 27(10): 1922-1931.
2. Dolnik, V. 2006. Capillary electrophoresis of proteins 2003-2005. Electrophoresis, 27(1): 126-141.
3. Hjerten, S. 1985. High-performance electrophoresis. Elimination of electroendosmosis and solute adsorption. J. Chromatography, 347(2): 191-198.
4. Hjerten, S. and Zhu, M.D. 1985. Adaptation of the equipment for high-performance electrophoresis to isoelectric focusing. J. Chromatography, 346: 265-270.
5. Horka, M., Ruzicka, F., Horky, J., Hola, V., and Slais, K. 2006. Capillary isoelectric focusing of proteins and microorganisms in dynamically modified fused silica with UV detection. J. Chromatography, B: Analytical Technologies in the Biomedical and Life Sciences, 841(1-2): 152-159.
6. Horvath, J. and Dolnik, V. 2001. Polymer wall coatings for capillary electrophoresis. Electrophoresis, 22(4): 644-655.
7. Huang, T.-L. and Richards, M. 1997. Development of a high-performance capillary isoelectric focusing technique with application to studies of microheterogeneity in chicken conalbumin. J. Chromatography, A, 757(1+2): 247-253.
8. Huang, Y.-F., Hsieh, M.-M., Tseng, W.-L., and Chang, H.-T. 2006. On-line concentration of microheterogeneous proteins by capillary electrophoresis using SDS and PEO as additives. J. Proteome Res., 5(2): 429-436.
9. Huang, Y.-F., Huang, C.-C., Hu, C.-C., and Chang, H.-T. 2006. Capillary electrophoresis-based separation techniques for the analysis of proteins. Electrophoresis, 27(18): 3503-3522.
10. Kilar, F. 2003. Recent applications of capillary isoelectric focusing. Electrophoresis, 24(22-23): 3908-3916.
11. Kundu, S. and Fenters, C. 1995. Isoelectric focusing of monoclonal antibodies by capillary electrophoresis. J. Capillary Electrophor., 2(6): 273-277.
12. Kuo, C.-Y., Chiou, S.-S., and Wu, S.-M. 2006. Solid-phase extraction and large-volume sample stacking with an electroosmotic flow pump in capillary electrophoresis for determination of methotrexate and its metabolites in human plasma. Electrophoresis, 27(14): 2905-2909.
13. Lee, H.G. 1997. Rapid high-performance isoelectric focusing of monoclonal antibodies in uncoated fused-silica capillaries. J. Chromatography A, 790(1+2): 215-223.
14. Little, M.J., Paquette, D.M., and Roos, P.K. 2006. Electrophoresis of pharmaceutical proteins: status quo. Electrophoresis, 27(12): 2477-2485.
15. Lupi, A., Viglio, S., Luisetti, M., Gorrini, M., Coni, P., Faa, G., et al. 2000. Alpha(1)-antitrypsin in serum determined by capillary isoelectric focusing. Electrophoresis, 21(15): 3318-3326.
16. Mazzeo, J.R. and Krull, I.S. 1991. Capillary isoelectric focusing of proteins in uncoated fused silica capillaries using polymeric additives. Anal. Chem., 63(24): 2852-2857.
17. Mazzeo, J.R., Martineau, J.A., and Krull, I.S. 1992. Performance of isoelectric focusing in uncoated and commercially available coated capillaries. Methods (San Diego, CA, United States), 4(3): 205-212.
18. Miksik, I., Sedlakova, P., Mikulikova, K., Eckhardt, A., Cserhati, T., and Horvath, T. 2006. Matrices for capillary gel electrophoresis - a brief overview of uncommon gels. Biomedical Chromatography, 20(6-7): 458-465.
19. Mosher, R.A. and Thormann, W. 2002. High-resolution computer simulation of the dynamics of isoelectric focusing using carrier ampholytes: The post-separation stabilizing phase revisited. Electrophoresis, 23(12): 1803-1814.
20. Patrick, J.S. and Lagu, A.L. 2001. Review applications of capillary electrophoresis to the analysis of biotechnology-derived therapeutic proteins. Electrophoresis, 22(19): 4179-4196.
21. Righetti, P.G. 2004. Determination of the isoelectric point of proteins by capillary isoelectric focusing. J. Chromatography A, 1037(1-2): 491-499.
22. Righetti, P.G., Gelfi, C., and Conti, M. 1997. Current trends in capillary isoelectric focusing of proteins. J. Chromatography B: Biomedical Sciences and Applications, 699(1+2): 91-104.
23. Rodriguez-Diaz, R., Zhu, M., and Wehr, T. 1997. Strategies to improve performance of capillary isoelectric focusing. J. Chromatography A, 772(1+2): 145-160.
24. Shimura, K. 2002. Recent advances in capillary isoelectric focusing: 1997-2001. Electrophoresis, 23(22-23): 3847-3857.
25. Shimura, K., Zhi, W., Matsumoto, H., and Kasai, K.-I. 2000. Accuracy in the determination of isoelectric points of some proteins and a peptide by capillary isoelectric focusing: Utility of synthetic peptides as isoelectric point markers. Anal. Chem., 72(19): 4747-4757.
26. Stoyanov, A.V., Das, C., Fredrickson, C.K., and Fan, Z.H. 2005. Conductivity properties of carrier ampholyte pH gradients in isoelectric focusing. Electrophoresis, 26(2): 473-479.
27. Strelec, I., Pacakova, V., Bosakova, Z., Coufal, P., Guryca, V., and Stulik, K. 2002. Modification of capillary electrophoresis capillaries by poly(hydroxyethyl methacrylate), poly(diethylene glycol monomethacrylate) and poly(triethylene glycol monomethacrylate). Electrophoresis, 23(4): 528-535.
28. Tang, Q. and Lee, C.S. 1997. Effects of electroosmotic flow on zone mobilization in capillary isoelectric focusing. J. Chromatography A, 781(1+2): 113-118.
29. Tauzin, B. 2006. 418 Biotechnology Medicines in Testing Promise to Bolster the Arsenal Against Disease. (Report) Medicines in Development, Biotechnology: Pharmaceutical Research and Manufactures of America (www.phrma.org/files/Biotech%202006.pdf).
30. Tran, N.T., Taverna, M., Miccoli, L., and Angulo, J.F. 2005. Poly(ethylene oxide) facilitates the characterization of an affinity between strongly basic proteins with DNA by affinity capillary electrophoresis. Electrophoresis, 26(16): 3105-3112.
31. Vayaboury, W., Kirby, D., Giani, O., and Cottet, H. 2005. Noncovalent coatings for the separation of synthetic polypeptides by nonaqueous capillary electrophoresis. Electrophoresis, 26(11): 2187-2197.
32. Wehr, T. 2005. Capillary electrophoresis in the biopharmaceutical industry: Part II. LCGC North America, 23(11): 1182,1186,1188,1190.
33. Yeung, K.K.C., Atwal, K.K., and Zhang, H. (2003). Dynamic capillary coatings with zwitterionic surfactants for capillary isoelectric focusing. Analyst (Cambridge, United Kingdom), 128(6): 566-570.
34. Zhang, C.-X., Xiang, F., Pasa-Tolic, L., Anderson, G.A., Veenstra, T.D., and Smith, R.D. 2000. Stepwise mobilization of focused proteins in capillary isoelectric focusing mass spectrometry. Anal. Chem., 72(7): 1462-1468.