The Ryu group


Ryu, Yong-Sang

Ph. D.

유용상 박사


선임연구원

Senior Research Scientist


Sensor system research center, National Agenda Research Division, Korean Institute of Science and Technology


한국과학기술연구원 (KIST)

국가기반기술본부 센서시스템연구센터

Education

B.S. Department of Electrical Engineering, Seoul National Univ. 2007.

M.S. Department of Electrical Engineering, Seoul National Univ. 2009.

Ph.D. Department of Electrical Engineering, Seoul National Univ. 2013.

Academic Experience & Scientific History

Senior Research Scientist, Korea Institute of Science and Technology (KIST) (2016-)

Senior Research Scientist, Sensor system Research Center, National Agenda Research Division, KIST.

- Vesicle trapping and formation of stack lipid bilayer through Dielectricphoresis

- Sensor Platform design and development, source technology development

- Optical approach & Electrical approach

- Design and optimization of Test-of-Care sensor platform in a visible spectrum band.

- Supportive role in sensing molecule concentration in THz optical sensing (w/ Dr. Seo)

- Artificial visible cell recovery in-vitro system

Post-Doctoral Fellow, University of of Minnesota, Twin Cities, U.S.A (2013 - 2016)

Advisor- Prof. Sang-Hyun Oh, Dept. of Electrical and Computer Engineerin

- Development of nano to micro-scaled structured devices

- Design and optimization of silica-based substrates for Supported lipid bilayer (SLB) membrane -approach

- Phase-separation of model membrane induced by physical factors in microfluidic system

- Surface modification for implication for optical and biological studies (Major topic: Lipid raft & Vesicle manipulation)

- Fabricating and generating of supported lipid membrane on the gold surface and detection

- Vesicle trapping and formation of stack lipid bilayer through Dielectricphoresis

- Nanovesicle sorting (ex. exosome) and vesicle fusion for hybridization


Graduate Researcher, Seoul National University, Seoul, Korea (2009-2013)

Advisor- Prof. Sin-Doo Lee, Dept. of Electrical and Computer Engineering

- Development array to study lipid/solid substrate interaction in supported lipid bilayers (SLBs) induced curvature, hydrophobicity-driven lipid interactions, surface free energy effect.

- Examination of plasma-modified oxidation on PDMS surface

- Fabrication of bio-mimicking substrate induced by thermal softening, and photolithography process

- Surface modification (hydrophilic è hydrophobic) by easy stamping method which is crucial for formation of contiguous bilayer-monolayer junction topographic membrane.

- Development of array for investigating the layer-by layer interaction (interbilayer effects) of bilayer membrane

- Groundwork for membrane detaching from the substrate by controlling the surface properties

Post-graduate Researcher, Seoul National University, Seoul, Korea (2007-2009)

Advisor- Prof. Sin-Doo Lee, Dept. of Electrical and Computer Engineering

- Examination of dynamic behavior on the curvature-driven surface, electric-field driven redistribution on the in vitro

- Manipulation of charged lipid on the SLB covered micro-arrayed surface

- Learning of simulation tools, drawing illustration tools, and experimental devices


Undergraduate Researcher, Seoul National University, Seoul, Korea (2003-2007)