Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2003. / Includes bibliographical references. Also available in electronic version. Access restricted to campus users.

Thesis (M.S.)--University of Kentucky, 2002. / Title from document title page. Document formatted into pages; contains x, 84 p. : ill. Includes abstract. Includes bibliographical references (p. 76-82).

published_or_final_version / Physics / Master / Master of Philosophy

The structure and association behaviour of poly(styrene-alt-maleic anhydride) (SMA) and poly(styrene-alt-N,N-dimethylpropylamide) (SMI) polymers were studied using molecular modeling. The conformational studies were carried out at a semi-empirical PM3 level. SMA and SMI polymers were found to associate into nanotubes. These nanotubes have primary, secondary and tertiary structures. The primary structure is the conformation the polymer takes depending on the degree of protonation and its chirality. The secondary structure is the association of many polymers to form a nanotube structure. The tertiary structure is a higher order aggregation between the nanotubes.

Nanofibers and nanotubes have been extensively studied in materials science due to their extraordinary thermal conductivity, excellent mechanical and electrical properties, and their potential capability for gas storage. Their potential applications at the forefront of technology areas have attracted people???s attention. Diacetylene functionality containing macrocycles with different frameworks have been designed and synthesized. (S)-BINOL-based building block macrocyclic ether 2.4, macrocyclic ester 2.9a and amide 2.9b have been synthesized. A single crystal was obtained for 2.9b from a THF-hexanes solvent system and X-ray data was collected while the other macrocycle 2.9a furnished gels. X-ray crystallography demonstrated that macrocycle 2.9b does not stack face-to-face, due to steric hindrance. Planar macrocycles with carbazole and dibenzofuran as flat backbone to minimize steric hindrance have also been designed, which may increase the possibility to obtain a state of supramolecular stacking, and synthesis of some of the proposed structures was attempted. Carbazole-based tetramer building block macrocycles 3.6 (side chain free) and 3.16 (alkylated) have been successfully synthesized and characterized.

Thesis (M.S.)--University of Texas at Dallas, 2007. / Includes vita. Includes bibliographical references (leaves 84-87)

Thesis (M.S. in mechanical engineering)--Washington State University, December 2007. / Includes bibliographical references.

Thesis (M.S.)--University of Texas at Dallas, 2003. / Includes vita. Includes bibliographical references (leaves 63-65)

Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002. / On t.p. "4̳" is subscript. Includes bibliographical references (leaves 84-86). Also available in electronic version. Access restricted to campus users.

Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002. / Includes bibliographical references (leaves 55). Also available in electronic version. Access restricted to campus users.