Georgetown University - Department of Chemistry Department of Chemistry

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Jong-in HahmJong-in Hahm
Associate Professor

Department of Chemistry 
Georgetown University
37th and O Streets NW
Washington, DC 20057-1227

Office: 520 Regents Hall
Phone: 202-687-5950
Fax: 202-687-6209
E-mail: 
Lab web site http://www9.georgetown.edu/faculty/jh583/
Education /
Background

B.S. 1994, Seoul National University
Ph. D. 2000, The University of Chicago
Post-doc 2000-2003, Harvard University

ACS WCC Rising Star Award (American Chemical Society, 2013), Young Researchers on Advanced Materials Travel Award (NSF IME, 2012), ACS Progress/Dreyfus Lectureship Award (2008), ACS WCC Lectureship Award (2007), Grace Woodward Award in Engineering and Medicine (2005), Pearce Development Professor in Department of Chemical Engineering at Penn State University (2003)

Executive Editor of J. Anal. Bioanal. Tech.

Research Interests

Physical Chemistry, Nanomaterials Science, Biomedical Applications of Nanomaterials, Biotechnology, Fundamental Properties of Polymeric, Metallic, and Semi-conducting Nanomaterials

Dr. Hahm currently studies new materials, particularly molecular structures on the nanometer scale, for use as advanced molecular tools in promoting fundamental chemical research and in investigating a variety of biological systems. She also develops materials that can be applied to functions as diverse as molecular probes for improving genotyping methods, for screening small molecules and early disease markers, and for facilitating fundamental chemical studies. Her current research centers on the synthesis of materials such as nanotubes and nanowires with interesting structures and functionality. She is working to develop methods for the controllable synthesis of these one-dimensional structures on various catalysts in order to produce functional nanomaterials to facilitate their applications in basic science and engineering. Her group is using a variety of polymers and biomaterials to grow the nanomaterials at tailored sites and with a defined geometry and orientation. Her research also focuses on the development and innovative use of nanomaterials such as carbon nanotubes as well as metallic and semiconductor nanowires for biomedical studies. Materials synthesized in her group are designed specifically for hosting individual biomolecules by controlling the chemical compositions and physical dimensions of the nanomaterials during synthesis. Materials grown this way could be used as high resolution biomolecular probes for atomic force microscopy, biomolecular electrical sensors, enhanced fluorescence detection platforms, and advanced protein/drug delivery templates.

Selected Recent Publications

J. Hahm, Fundamentals of nanoscale polymer-protein interaction and their application in solid-state nanobioarrays, in press, Langmuir, Invited Feature Article (2014).

M. Singh, S. Song, and J. Hahm, Unique temporal and spatial biomolecular emission profile on individual zinc oxide nanorods, Nanoscale 6, 308 - 315 (2014).

S. Song, M. Milchak, H. Zhou, T. Lee, M. Hanscom and J. Hahm, Nanoscale protein arrays of rich morphologies via self-assembly on chemically treated diblock copolymer surfaces, Nanotech. 24 095601 (2013).

J. Hahm, Biomedical detection via macro- and nano-sensors fabricated with metallic and semiconducting oxides, J. Biomed. Nanotech. 9 1-25 (2013).

S. Song, M. Milchak, H. Zhou, T. Lee, M. Hanscom and J. Hahm, Elucidation of novel nanostructures by time-lapse monitoring of polystyrene-block-polyvinylpyridine under chemical treatment, Langmuir, 28 8384-8391 (2012).

J. Hahm, Enhanced Fluorescence Detection Enabled by Zinc Oxide Nanomaterials in Metal Enhanced Fluorescence, C. D. Geddes, ed. Wiley (2010). ISBN: 978-0-470-22838-8

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