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Understanding the Non-Covalent Interactions in Macroions and Hybrid Macromolecules

ZHOU, JING
http://rave.ohiolink.edu/etdc/view?acc_num=akron1447426152

Abstract Details

, Doctor of Philosophy, University of Akron, Polymer Science.
Self-assembly is known as a route to achieve order from disorder at various length scales, ubiquitously in nature, science and technology. Noncovanlent interactions such as electrostatic interactions, hydrophobic interactions, metal coordination and hydrogen bonding have been utilized extensively in past decades to build and control macromolecular self-assemblies. Hydrophilic macroions, with sizes ranging between simple ions (point charges valid for the Debye-Hu¨ckel Theory) and colloidal suspensions (usually described by the DLVO theory), demonstrate unique solution behavior by self-assembling into ordered, single layer, hollow, spherical “blackberry” structures. Counterion mediated attraction is considered as the main driving force for the self-assembly behavior. Herein, we investigated the solution behavior of ionic polyhedral oligomeric silsesquioxane (POSS) and cyclodextrin (CD) which have well-defined size, shape and charge density by laser light scattering (LLS). Sub-nanometer sized ionic POSS provides a valuable opportunity to explore the unknown size boundary between simple ions and macroions. Whereas studying ionic CD, a fully organic macroion, expands our understanding beyond inorganic macroion. Macroion-polymer based giant surfactant with smart responsiveness was design and fabricated. The novel hybrid can self-assemble in pure water and response to temperature and salt stimuli. We found different types of counterions impact the vesicle formation at room temperature. The development of such stimulative vesicles provides new and useful means for catalytic and biomedical applications.
TIANBO LIU (Advisor)
Nanoscience; Physical Chemistry; Polymers

Recommended Citations

Citations

  • ZHOU, J. (n.d.). Understanding the Non-Covalent Interactions in Macroions and Hybrid Macromolecules [Doctoral dissertation, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1447426152

    APA Style (7th edition)

  • ZHOU, JING. Understanding the Non-Covalent Interactions in Macroions and Hybrid Macromolecules. University of Akron, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1447426152.

    MLA Style (8th edition)

  • ZHOU, JING. "Understanding the Non-Covalent Interactions in Macroions and Hybrid Macromolecules." Doctoral dissertation, University of Akron. Accessed MAY 07, 2024. http://rave.ohiolink.edu/etdc/view?acc_num=akron1447426152

    Chicago Manual of Style (17th edition)

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This open access ETD is published by University of Akron and OhioLINK.