{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/82776"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/82776","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Polymer Brushes for Molecular Transport","abstract":"Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2005.","abstract_html":"Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2005.","abstract_has_math":false,"creators":["Tu, Huilin"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Materials Science and Engineering","degree_department":null,"school":null,"contributors":["Paul Braun"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:52:59Z","date_published":"2015-09-25T20:52:59Z","updated_at":"2026-07-22T22:26:18Z","subjects":["Biology, Molecular"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3202178"],"render_values":[{"text":"(MiAaPQ)AAI3202178","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/82776","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Paul Braun"]},{"key":"dc:creator","label":"Author","values":["Tu, Huilin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:52:59Z","10000-01-01","2005"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Materials Science and Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Biology, Molecular"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/82776","(MiAaPQ)AAI3202178"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2005.","PNIPAAm chains are tethered onto silica particles via surface-initiated polymerization. Thermal annealing slightly improved the crystallinity of the colloidal assembly. Video microscopy of the two-dimensional diffusion of these colloids suggested that PNIPAAm brushes greatly improve the stability of the colloidal system. A three-fold increase in diffusion coefficient is observed when the temperature is increased from 22°C to 39°C. The LCST transition of PNIPAAm plays an important role in the diffusion of the colloids, and the interdigitation between PNIPAAm chains may have slowed down the colloidal diffusion at room temperature.","Made available in DSpace on 2015-09-25T20:52:59Z (GMT). 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Video microscopy of the two-dimensional diffusion of these colloids suggested that PNIPAAm brushes greatly improve the stability of the colloidal system. A three-fold increase in diffusion coefficient is observed when the temperature is increased from 22°C to 39°C. The LCST transition of PNIPAAm plays an important role in the diffusion of the colloids, and the interdigitation between PNIPAAm chains may have slowed down the colloidal diffusion at room temperature.","Made available in DSpace on 2015-09-25T20:52:59Z (GMT). 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