{"626700":{"#nid":"626700","#data":{"type":"news","title":"College of Sciences Postdocs Shine in Research Symposium","body":[{"value":"\u003Cp\u003EPostdoctoral researchers in the College of Sciences gave outstanding presentations at the 6th Annual Georgia Tech Postdoctoral Research Symposium, held on Sept. 19, 2019. The symposium was organized by\u0026nbsp;Postdocs@Tech and the Office of Postdoctoral Services.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ESamantha Buzzard\u0026nbsp;\u003C\/strong\u003Ereceived the Best Talk Overall award for her presentation \u0026ldquo;A slippery situation: modelling surface melt in Antarctica.\u0026rdquo; She is a member of the \u003Ca href=\u0022https:\/\/iceclimate.eas.gatech.edu\/\u0022\u003EIce \u0026amp;\u0026nbsp;Climate Group\u003C\/a\u003E,\u0026nbsp;led by \u003Ca href=\u0022https:\/\/www.eas.gatech.edu\/people\/robel-dr-alexander\u0022\u003EAlexander Robel\u003C\/a\u003E, assistant professor in the School of Earth and Atmospheric Sciences.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EHer research, and the topic of her symposium talk, is Antarctic ice shelves. These are the floating tongues of ice that surround the\u0026nbsp; Antarctic continent. \u0026quot;I look at how they are melting on the surface, what happens to the water, and what it might mean for the future stability of the ice shelves and ultimately of Antarctica itself under a changing climate,\u0026quot; Buzzard says.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EBuzzard earned a Ph.D. in meteorology from the University of Reading, in England, in 2017. She joined Georgia Tech in 2019.\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EXavier Audier\u0026nbsp;\u003C\/strong\u003Ewon\u0026nbsp;the Best Talk from the College of Sciences award for his presentation\u0026nbsp;\u0026ldquo;A fast delay line for label-free biological imaging.\u0026rdquo;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EAudier is from France. He aims to use\u0026nbsp;non-linear optics to develop new microscopy techniques and apply them to biologically relevant questions. He works with\u0026nbsp;\u003Ca href=\u0022https:\/\/www.chemistry.gatech.edu\/people\/cicerone\/marcus\u0022\u003EMarcus Cicerone\u003C\/a\u003E, professor in the School of Chemistry and Biochemistry to\u0026nbsp;improve coherent Raman Imaging techniques, particularly broadband, coherent anti-Stokes Raman scattering (CARS).\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ERebecca Donegan\u003C\/strong\u003E\u0026nbsp;won for Best Poster from the College of Sciences award for her poster\u0026nbsp;\u0026ldquo;Coproporphyrin decarboxylase coordinates the synthesis and uptake of heme in mycobacteria.\u0026rdquo;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026quot;I study how pathogens get the nutrients they need from the host, particularly iron in the form of heme,\u0026quot; Donegan says. \u0026quot;Heme is the most abundant iron source in the human body, although how pathogens regulate heme uptake and incorporate it into their metabolism is not well-understood.\u0026quot;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDonegan presented her work on \u003Cem\u003EMycobacterium tuberculosis, \u003C\/em\u003Ewhich causes tuberculosis. She has found that a heme biosynthesis protein also involved in the uptake and use of heme may be involved in the bacterium\u0026#39;s survival when it\u0026#39;s host is deficient in iron.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDonegan works with \u003Ca href=\u0022https:\/\/www.chemistry.gatech.edu\/people\/reddi\/amit%20r.\u0022\u003EAmit Reddi\u003C\/a\u003E, an associate\u0026nbsp;professor in the School of Chemistry and Biochemistry, whose \u003Ca href=\u0022https:\/\/cos.gatech.edu\/news\/amit-reddi-and-his-favorite-element\u0022\u003Efavorite element is iron\u003C\/a\u003E, the metal in\u0026nbsp;heme. She earned a Ph.D. in biochemistry from Georgia Tech in 2015 under the supervision of chemistry and biochemistry professor\u0026nbsp;\u003Ca href=\u0022https:\/\/www.chemistry.gatech.edu\/people\/Lieberman\/Raquel\u0022\u003ERaquel Lieberman\u003C\/a\u003E.\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":[{"value":"Samantha Buzzard wins for Best Overall Talk "}],"field_summary":[{"value":"\u003Cp\u003ECollege of Sciences postdocs shine in 6th Annual Georgia Tech Postdoctoral Research Symposium, held on Sept. 19, 2019.\u003C\/p\u003E\r\n","format":"limited_html"}],"field_summary_sentence":[{"value":"Samantha Buzzard wins for Best Overall Talk."}],"uid":"30678","created_gmt":"2019-09-24 20:32:22","changed_gmt":"2019-09-30 15:21:40","author":"A. Maureen Rouhi","boilerplate_text":"","field_publication":"","field_article_url":"","dateline":{"date":"2019-09-30T00:00:00-04:00","iso_date":"2019-09-30T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"hg_media":{"626722":{"id":"626722","type":"image","title":"Samantha \u0022Sammie\u0022 Buzzard (Courtesy of Jana Stone)","body":null,"created":"1569426455","gmt_created":"2019-09-25 15:47:35","changed":"1569426455","gmt_changed":"2019-09-25 15:47:35","alt":"","file":{"fid":"238618","name":"DSC_0032Sammie_Buzzard.SQ5-2.jpg","image_path":"\/sites\/default\/files\/images\/DSC_0032Sammie_Buzzard.SQ5-2.jpg","image_full_path":"http:\/\/www.tlwarc.hg.gatech.edu\/\/sites\/default\/files\/images\/DSC_0032Sammie_Buzzard.SQ5-2.jpg","mime":"image\/jpeg","size":1314040,"path_740":"http:\/\/www.tlwarc.hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/DSC_0032Sammie_Buzzard.SQ5-2.jpg?itok=GZQPe2FC"}},"626724":{"id":"626724","type":"image","title":"Xavier Audier (Courtesy of Jana Stone)","body":null,"created":"1569426537","gmt_created":"2019-09-25 15:48:57","changed":"1569426537","gmt_changed":"2019-09-25 15:48:57","alt":"","file":{"fid":"238619","name":"DSC_0020Xavier_Audier.SQ5_.jpg","image_path":"\/sites\/default\/files\/images\/DSC_0020Xavier_Audier.SQ5_.jpg","image_full_path":"http:\/\/www.tlwarc.hg.gatech.edu\/\/sites\/default\/files\/images\/DSC_0020Xavier_Audier.SQ5_.jpg","mime":"image\/jpeg","size":1330573,"path_740":"http:\/\/www.tlwarc.hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/DSC_0020Xavier_Audier.SQ5_.jpg?itok=GAT4Cubk"}},"626726":{"id":"626726","type":"image","title":"Rebecca Donegan (Courtesy of Jana Stone)","body":null,"created":"1569426610","gmt_created":"2019-09-25 15:50:10","changed":"1569426610","gmt_changed":"2019-09-25 15:50:10","alt":"","file":{"fid":"238621","name":"DSC_0087Rebecca_Donegan_Liz_Holdsworth.SQ5_.jpg","image_path":"\/sites\/default\/files\/images\/DSC_0087Rebecca_Donegan_Liz_Holdsworth.SQ5_.jpg","image_full_path":"http:\/\/www.tlwarc.hg.gatech.edu\/\/sites\/default\/files\/images\/DSC_0087Rebecca_Donegan_Liz_Holdsworth.SQ5_.jpg","mime":"image\/jpeg","size":1582898,"path_740":"http:\/\/www.tlwarc.hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/DSC_0087Rebecca_Donegan_Liz_Holdsworth.SQ5_.jpg?itok=b0foXivC"}}},"media_ids":["626722","626724","626726"],"related_links":[{"url":"https:\/\/cos.gatech.edu\/news\/amit-reddi-and-his-favorite-element","title":"Amit Reddi and His Favorite Element"}],"groups":[{"id":"1278","name":"College of Sciences"},{"id":"364801","name":"EAS"},{"id":"85951","name":"School of Chemistry and Biochemistry"}],"categories":[],"keywords":[{"id":"69901","name":"Postdocs"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003EA. Maureen Rouhi, Ph.D.\u003Cbr \/\u003E\r\nDirector of Communications\u003Cbr \/\u003E\r\nCollege of Sciences\u003C\/p\u003E\r\n","format":"limited_html"}],"email":["maureen.rouhi@cos.gatech.edu"],"slides":[],"orientation":[],"userdata":""}}}