Tuning the Chain Helicity and Organizational Morphology of an L-Valine-Containing Polyacetylene by pH Change

Nano Letters

Volumn 1, Issue 6, 2001, Pages 323-328

  Li, Bing Shi ^a   Cheuk, Kevin K L ^a   Salhi, Fouad ^a   Lam, Jacky W Y ^a   Cha, John A K ^a   Xiao, Xudong ^a   Bai, Chunli ^b   Tang, Ben Zhong ^a  

^a HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Hong Kong)

^b INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001296913     PISSN: 15306984     EISSN: None     Source Type: Journal    
DOI: 10.1021/nl015540o     Document Type: Article

References (47)

1. (a) Li, C. Y.; Cheng, S. Z. D.; Ge, J. J.; Bai, F.; Zhang, J. Z.; Mann, I. K.; Chien, L. C.; Harris, F. W.; Lotz, B. J. Am. Chem. Soc. 2000, 122, 72.
2. (b) Green, M. M.; Park, J. W.; Sato, T.; Teramoto, A.; Lifson, S.; Selinger, R. L. B.; Selinger, J. V. Angew. Chem., Int. Ed. Engl. 1999, 38, 3139.
3. (c) Nelson, J. C.; Saven, J. G.; Moore, J. S.; Wolynes, P. G. Science 1997, 277, 1793.
4. (d) Deming, T. J.; Novak, B. M. J. Am. Chem. Soc. 1993, 115, 9101.
5. (a) Chirality: from Weak Bosons to the α-Helix; Janoschek, R., Ed.; Springer-Verlag: Hong Kong, 1991.
6. (b) Jeffrey, G. A.; Saenger, W. Hydrogen Bonding in Biological Structures; Springer-Verlag: Hong Kong, 1994.
7. (c) Ofagain, C. Stabilizing Protein Function; Springer-Verlag: Hong Kong, 1997.
8. (d) Intennolecular Interactions; Gans, W., Boeyens, J. C. A., Eds.; Plenum Press: New York, 1998.
9. Zubay, G. L. Biochemistry, 4th ed.; Wm. C. Brown Publishers: Boston, 1998.
10. (a) Encyclopedia of Molecular Biology and Molecular Medicine; Meyers, R. A., Ed.; VCH: New York, 1996.
11. (b) Self-assembling Architecture; Varner, J. E., Ed.; Alan R. Liss: New York, 1988.
12. (c) Molecular Strategies in Biological Evolution; Caporale, L. H., Ed.; New York Academy of Sciences: New York, 1999.
13. Denaturation of Proteins for Industrial Use: Problems and Potential; Aalbersberg, W. I. J., de Groot, M. J. A., Vereijken, J. M., Eds.; Elsevier: Amsterdam, The Netherlands, 2000.
14. (a) Chemical Modification of Enzymes: Active Site Studies; Eyzaguirre, J., Ed.; Halsted Press: New York, 1987.
15. (b) Mechanistic Principles of Enzyme Activity; Liebman, J. F., Greenberg, A., Eds.; VCH: New York, 1988.
16. (a) Cheuk, K. K. L.; Lam, J. W. Y.; Sun, Q.; Cha, J. A. K.; Tang, B. Z. Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 1999, 40, 655.
17. (b) Lam, J. W. Y.; Cheuk, K. K. L.; Tang, B. Z. Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 2000, 41, 912.
18. (c) Li, B. S.; Cheuk, K. K. L.; Cha, J. A. K.; Xiao, X. D.; Tang, B. Z. Polym. Mater. Sci. Eng. 2001, 84, 396.
19. (a) Tang, B. Z.; Salhi, F.; Cheuk, K. K. L.; Lam, J. W. Y.; Cha, J. A. K.; Li, G.; Li, B.; Wang, M.; Pan, C. J. Nanosci. Nanotech., in press.
20. (b) Tang, B. Z.; Cheuk, K. K. L.; Salhi, F.; Li, B.; Lam, J. W. Y.; Cha, J. A. K.; Xiao, X. In Synthetic Macromolecules with Higher Structural Order, Khan, I. M., Ed.; American Chemical Society: Washington, DC, 2001, in press.
21. (c) Tang, B. Z. Polym. News, in press.
22. (a) Salhi, F.; Cheuk, K. K. L.; Lam, J. W. Y.; Tang, B. Z. Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 2000, 41, 1590.
23. (b) Cheuk, K. K. L.; Lam, J. W. Y.; Tang, B. Z. Polym. Mater. Sci. Eng. 2000, 82, 56.
24. (a) Circular Dichroism: Principles and Applications, 2nd ed.; Berova, N., Nakanishi, K., Woody, R. W., Eds.; Wiley-VCH: New York, 2000.
25. (b) Lightner, D. A.; Gurst, J. E. Organic Conformational Analysis and Stereochemistry from Circular Dichroism Spectroscopy; Wiley-VCH: New York, 2000.
26. (a) Saito, M. A.; Maeda, K.; Onouchi, H.; Yashima, E. Macromolecules 2000, 33, 4616.
27. (b) Aoki, T.; Kobayashi, Y.; Kaneko, T.; Oikawa, E.; Yamamura, Y.; Fujita, Y.; Teraguchi, M.; Nomura, R.; Masuda, T. Macromolecules 1999, 32, 79.
28. Yashima, E.; Maeda, K.; Okamoto, Y. Nature 1999, 399, 449.
29. Polymer Reaction Engineering; Reichert, K.-H., Geiseler, W., Eds.; VCH: New York, 1989.
30. (a) Protein Structure Prediction: Methods and Protocols; Webster, D. W., Ed.; Humana Press: Totowa, NJ, 2000.
31. (b) Biological Macromolecules and Assemblies; Jurnak, F. A., McPherson, A., Eds.; Wiley: New York, 1984.
32. Lashuel, H. A.; LaBrenz, S. R.; Woo, L.; Serpell, L. C.; Kelly, J. W. J. Am. Chem. Soc. 2000, 122, 5262.
33. (a) Tang, B. Z.; Kong, X.; Wan, X.; Peng, H.; Lam, W. Y.; Feng, X.; Kwok, H. S. Macromolecules 1998, 31, 2419.
34. (b) Lam, J. W. Y.; Kong, X.; Dong, Y. P.; Cheuk, K. K. L.; Xu, K.; Tang, B. Z. Macromolecules 2000, 33, 5027.
35. (a) Mao, C. D.; LaBean, T. H.; Reif, J. H.; Seeman, N. C. Nature 2000, 407, 493.
36. (b) Pandya, M. J.; Spooner, G. M.; Sunde, M.; Thorpe, J. R.; Rodger, A.; Woolfson, D. N. Biochemistry 2000, 39, 8728.
37. Johnson, G. B. The Living World, 2nd ed.; McGraw-Hill: Boston, 2000.
38. (a) Leclere, P.; Calderone, A.; Marsitzky, D.; Francke, V.; Geerts, Y.; Mullen, K.; Bredas, J. L.; Lazzaroni, R. Adv. Mater. 2000, 12, 1042.
39. (b) Cavalleri, O.; Natale, C.; Stroppolo, M. E.; Relini, A.; Cosulich, E.; Thea, S.; Novi, M.; Gliozzi, A. Phys. Chem. Chem. Phys. 2000, 2, 4630.
40. 15,19,21 The Δ value here is calculated to be ∼47.66 nm (with R = 45 nm and h = 3.14 nm), and the corrected average width of the nanofibers is thus ∼58.95 nm.
41. Samori, P.; Francke, V.; Mangel, T.; Mullen, K.; Rabe, J. Opt. Mater. 1998, 9, 390.
42. Xu, K.; Cheuk, K. L.; Tang, B. Z. ICS-UNIDO Workshop on Environmentally Degradable Polymers: Environmental and Biomedical Aspects; Antalya, Turkey, 12-19 Sept 1998.
43. (a) Biomimetic Polymers; Gebelein, C. G., Ed.; Plenum Press: New York, 1990.
44. (b) Biomimetic Materials Chemistry; Mann, S., Ed.; VCH: New York, 1996.
45. (c) Brown, A. G. Nerve Cells and Nervous Systems: an Introduction to Neuroscience; Springer-Verlag: New York, 1991.
46. We have found that an amphiphilic helical polyacetylene with D-galactose appendages are cytocompatible and can promote HeLa cell growth. Li, B. S.; Cheuk, K. K. L.; Zhou, J.; Xie, Y.; Cha, J. A. K.; Xiao, X.; Tang, B. Z. Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 2001, 42, 543.
47. Li, B.; Cheuk, K. K. L.; Zhou, J.; Xie, Y.; Tang, B. Z. Polym. Mater. Sci. Eng., in press.