{"549451":{"#nid":"549451","#data":{"type":"event","title":"PhD Defense by Graham Parkinson","body":[{"value":"\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003ETHE SCHOOL OF MATERIALS SCIENCE AND ENGINEERING\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EGEORGIA INSTITUTE OF TECHNOLOGY\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EUnder the provisions of the regulations for the degree\u003C\/strong\u003E\u003Cbr \/\u003E \u003Cbr \/\u003E \u003Cstrong\u003EDOCTOR OF PHILOSOPHY\u003C\/strong\u003E\u003Cbr \/\u003E \u003Cbr \/\u003E \u003Cstrong\u003Eon Tuesday, June 28, 2016\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003E11:00 AM\u003C\/strong\u003E\u003Cbr \/\u003E \u003Cstrong\u003Ein MRDC 3515\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003E\u0026nbsp;\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003Ewill be held the\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003E\u0026nbsp;\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EDISSERTATION\u0026nbsp;PROPOSAL\u0026nbsp;DEFENSE\u003C\/strong\u003E\u003Cbr \/\u003E \u003Cbr \/\u003E \u003Cstrong\u003Efor\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EGraham Parkinson\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003E\u0022Advances in Physical Gel Structures \u0022\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003ECommittee Members:\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EProf. Paul Russo, Advisor, MSE\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EProf. Karl Jacob, MSE\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EProf. Mark Losego, MSE\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EProf. Nicholas Hud, CHEM\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EProf. Peter Yunker, PHYS\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003E\u0026nbsp;\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EAbstract:\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp\u003EGels are unlike any other state of matter. The presence of only a small amount of material can render a large volume of liquid immovable. Recently new classes of gel materials have emerged including aerogels and xerogels that may not deserve the name. New techniques in templating gels at both the molecular and macro levels allow for control of material properties and structure. In this work the classification of gels will address a fundamental question: when is a material a gel? The model system chosen is the hydrogel consisting of two-directional arborols. Arborols are a macromolecular class of materials named for their tree-like structure. First synthesized three decades ago, the materials have seen limited investigation from the perspective of a materials scientist. The formation of arborol gels will be investigated using a variety of scattering and microscopy methods to determine the necessary qualities for classifying this type of material transition. Differential dynamic microscopy will be used for the classification of a gel transition. It will mark the first study of a gel using this technique. The use of gels in the creation of novel materials is also proposed. The work will include the effect of other small molecules to arrest gel formation in the model system, or to tune it. The use of the gel to template liquid crystalline molecules will be tested to see if a LC phase can appear before the necessary critical concentration in a lyotropic LC system. Arborols will facilitate all these investigations. They constitute a superior system for study due to their small size and the simplicity of their hydrophobic-hydrophilic assembly mechanism.\u003C\/p\u003E\u003Cp\u003E\u003Cbr \/\u003E The other parts of the work will look to build upon the scientific knowledge gained in the first part for engineering investigations of gels. Can a liquid template a solid gel? A ferrofluid has the potential to serve as a template for a solid gel. Ferrofluids, fluids with suspended magnetic particles, allow for a customized template as varying the strength and direction of a magnetic field produces a unique pattern within the material. The final proposed work is the creation of a new gel material, the aerocrystal, which will consist of a cross-linked polymeric aerogel. Aerogels are a novel class of materials where a liquid component has been replaced with a gas without the collapse of a former gel network. The formation of a crosslinked, aligned polypeptide polymer network with its liquid component removed will yield the first such material of its kind. This material will have a tunable chemistry as well as high surface area and porosity.\u003C\/p\u003E\u003Cp\u003E \u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Advances in Physical Gel Structures"}],"uid":"27707","created_gmt":"2016-06-30 10:14:01","changed_gmt":"2016-10-08 02:18:15","author":"Tatianna Richardson","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2016-06-28T12:00:00-04:00","event_time_end":"2016-06-28T14:00:00-04:00","event_time_end_last":"2016-06-28T14:00:00-04:00","gmt_time_start":"2016-06-28 16:00:00","gmt_time_end":"2016-06-28 18:00:00","gmt_time_end_last":"2016-06-28 18:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"221981","name":"Graduate Studies"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78771","name":"Public"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}