Jongeun Ryu

Education

University of California, Los Angeles
Ph.D. Mechanical and Aeropspace Eng. June 2009
Thesis: Nanomanufacturing Processes for Biofuel Cells and Sensors
Multifunctional Composites Laboratory (Advisor: Prof. H. Thomas Hahn)

Korea Advanced Institute of Science and Technology (KAIST), Korea
M.S. Mechanical and Aerospace Eng March 2006
Thesis: Influence of Reflow Profile on the Thermal Fatigue Behaviors of BGA
Solder Joint
Computer Aided Reliability Evaluation Laboratory (Advisor: Prof. S.B. Lee)

B.S. Mechanical and Aerospace Eng. March 2004

Tohoku University, Japan
Visiting Student, Inoue Lab., 2002-2003

Scholarships and Awards

PerkinElmer Award, Society of Plastics Engineers	2008-2009
Korean Honor Scholarship, Korean Heritage Scholarship Foundation	2008-2009
Research Assistantship, UCLA	2006-2009
Academic Scholarship, KAIST	2004-2006
Academic Excellence Scholarship, KAIST	1999-2004

Research Experience

Nanomanufacturings

I.  Intense pulsed light assisted nanoparticle formation on carbon nanotubes
II. Metal alloy formation on carbon nanotube using intense pulsed light
    -First attempt and success to form metal/alloy nanoparticle on carbon nanotubes using light irradiation
III. Cu and Al nano-ink sintering using intense pulsed light
    -Low-cost and high-throughput printed electronics compared to the conventional thermal sintering
IV. Nano-imprinting for mass-manufacturing of plasmonic resonance biosensors

Energy applications

I. Glucose biofuel cells using platinum nanoparticle – carbon nanotube hybrid materials
II. Portable fuel cells based on porous thin carbon nanotube film electrodes
-Collaboration with Korea Institute of Science and Technology (KIST)

Bioengineering

I. Glucose sensor using glucose oxidase immobilized carbon nanotube mat
II. Electrophoretic self-assembly of biotin/avidin functionalized nanoparticles

Multiphysics simulations

I. Heat transfer modeling for intense pulsed light irradiation on nanoparticles
II. Cyclic thermal stress in solder joints of electronic packaging

Industry Experience

2002 summer LG Electronic Digital Appliance R&D, Seoul, Korea

Thesis Papers

Ph.D. Thesis
Nanomanufacturing Processes for Biofuel Cells and Sensors

Master Thesis
Influence of Reflow Profile on the Thermal Fatigue Behaviors of BGA Solder Joint

Conference Presentations and Papers

J. Ryu, T. Saotome, H.T. Hahn, D. Lashmore, “Carbon Nanotube Mat Biocomposite for Enzymatic Glucose/O2 Biofuel Cell,” ANTEC 2009, Chicago, USA, June 2009

J. Ryu, H.S. Kim, H.T. Hahn, D. Lashmore, “Mediator-less Glucose Biosensor Based on Carbon Nanotube Mat,” ASC 23rd Technical Conference, USA, Sept. 2008

J. Ryu, H.T. Hahn, D. Lashmore, “Mediator-less Glucose Sensor Based on Carbon Nanotube Mat Electrode,” US-Korea Conference, San Diego, USA, Aug. 2008

J. Ryu, T. Saotome, H.T. Hahn, D. Lashmore, “Carbon Nanotube Mat Biocomposite for Enzymatic Glucose/O2 Biofuel Cell,” ANTEC 2009, pp. 530 – 534

J. Ryu, H.S. Kim, H.T. Hahn, D. Lashmore, “Mediator-less Glucose Biosensor Based on Carbon Nanotube Mat,” ASC 23rd Technical Conference, Memphis, USA, Sept. 2008

Publications

J. Ryu, H.S. Kim, S.E. Lee, H.T. Hahn, D. Lashmore, “Mediator-free enzymatic glucose sensor based on carbon nanotube mat” (Accepted J. Nanosci. Nanotechnol., May 04, 2009)

J. Ryu, H.S. Kim, H.T. Hahn, “Sugar-powered fuel cells” (Plastics research online, Society of plastics engineers, 2009)

J. Ryu, D. Dehlinger, M.J. Heller, H.T. Hahn, “Electrophoretic deposition of biotin- and neutravidin-functionalized nanoparticles” (Submitted Particle and Particle System Characterization, Aug 05, 2009)

J. Ryu, H.S. Kim, H.T. Hahn, D. Lashmore, “Carbon nanotubes with platinum nano-islands as glucose biofuel cell electrodes” (Submitted Biosensors and Bioelectronics, Aug 06, 2009)

J. Ryu, H.S. Kim, H.T. Hahn, D. Lashmore, “Intense pulsed light induced platinum-gold alloy formation on carbon nanotubes for non-enzymatic glucose sensing” (in preparation)

J.S. Kang, H.S. Kim, J. Ryu, H.T. Hahn, S.H. Jang, H.C. Jung, J.W. Joung, “Inkjet printed electronics using copper nanoparticle ink” (in preparation)

H.S. Kim, MJ. Ryu, H.T. Hahn, “Reactive sintering of copper nanoparticles using intense pulsed light” (in preparation)

H.S. Kim, Y.-M. Lee, J. Ryu, H.T. Hahn, T. Beucler, M.-H. Ryou, J.-K. Park, “Development of thin film Li-ion battery embedded multifunctional energy storage composite structure” (in preparation)

S.E. Lee, B.Y. Song, Z. Guo, J. Ryu, J. Lee, H.T. Hahn, “Ba1.5Sr1.5Z Hexaferrite/Polymer Composites for RFID Antenna Substrate Operating at Medical Implant Communication Service Band” (in preparation)

Contact Information

38-137B, Engineering IV
420 Westwood Plaza
Los Angeles, CA 90095

Phone:424-456-0286
Email: ryujongeun@gmail.com