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Gwangju Institute of Science and Technology (GIST)

4 ARTICLES PUBLISHED IN JoVE

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Engineering

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
Jung-Dae Kim 1, Yong-Gu Lee 2
1Division of Scientific Instrumentation, Korea Basic Science Institute (KBSI), 2School of Mechanical Engineering, Gwangju Institute of Science and Technology (GIST)

A microchip fabrication process that incorporates plasmonic tweezers is presented here. The microchip enables the imaging of a trapped particle to measure maximal trapping forces.

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Neuroscience

Fabrication of Fine Electrodes on the Tip of Hypodermic Needle Using Photoresist Spray Coating and Flexible Photomask for Biomedical Applications
Joho Yun 1, Jinhwan Kim 2, Jong-Hyun Lee 1,2
1Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), 2School of Mechanical Engineering, Gwangju Institute of Science and Technology (GIST)

The fabrication method for fine interdigitated electrodes (gap and width: 20 µm) at the tip of a hypodermic needle (diameter: 720 µm) is demonstrated using a spray coating and flexible film photomask in the photolithography process.

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Neuroscience

Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor
Chanmi Yeon 1, Donghyeon Kim 2, Kiseon Kim 2, Euiheon Chung 1,3
1Department of Biomedical Science and Engineering (BMSE), Gwangju Institute of Science and Technology (GIST), 2School of Electrical Engineering and Computer Science (EECS), Gwangju Institute of Science and Technology (GIST), 3School of Mechanical Engineering (SME), Gwangju Institute of Science and Technology (GIST)

We designed a dry-type 16 channel EEG sensor which is non-invasive, deformable, and re-usable. This paper describes the whole process from manufacturing the proposed EEG electrode to signal processing of visual evoked potential (VEP) signals measured on a mouse scalp using a dry non-invasive multi-channel EEG sensor.

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Engineering

4D Printed Bifurcated Stents with Kirigami-Inspired Structures
Dahong Kim 1, Taeyoung Kim 1, Yong-Gu Lee 1
1School of Mechanical Engineering, Gwangju Institution of Science and Technology

Using a 3D printer, a shape memory polymer filament is extruded to form a branched tubular structure. The structure is patterned and shaped such that it can contract into a compact form once folded and then return to its formed shape when heated.

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