Prof. Hargsoon Yoon Profile

Prof. Hargsoon Yoon

Professor at Norfolk State Univ

SPIE Involvement:

Conference Program Committee | Editor | Author

Publications (58)

Proceedings Article | 18 April 2023 Presentation + Paper

High accurate and efficient electrical impedance tomography for fast brain imaging

Hoang Van Tran, Min Hyuck Kim, Thong Chi Le, Hargsoon Yoon

Proceedings Volume 12485, 1248506 (2023) https://doi.org/10.1117/12.2659172

KEYWORDS: Head, Electrodes, Analog to digital converters, Skull, 3D modeling, Brain imaging, Analog electronics, Tomography, Medical image reconstruction, 3D image reconstruction, Electrical engineering

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Proceedings Article | 18 April 2022 Presentation

Neuroimaging: design and development of compact DSP-based hardware for fast neural activity recording using electrical impedance tomography

Vu Pham, Hoang Tran, Thong Le, Hargsoon Yoon

Proceedings Volume PC12045, PC1204508 (2022) https://doi.org/10.1117/12.2614941

KEYWORDS: Neuroimaging, Tomography, Digital signal processing, Analog electronics, Signal processing, Signal to noise ratio, Digital electronics, Data acquisition, Brain, Visualization

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Proceedings Article | 18 April 2022 Presentation + Paper

Mitigating photo-induced artifacts on neural probes to understand CNS-related damage from space radiation

Thong Chi Le, Shelita Renee' Hall, Min Hyuck Kim, Hargsoon Yoon

Proceedings Volume 12045, 120450A (2022) https://doi.org/10.1117/12.2616025

KEYWORDS: Space reconnaissance, Particles, Animal model studies, Radiation effects, Prefrontal cortex, Nervous system, Light emitting diodes, In vivo imaging, Brain

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Proceedings Article | 18 April 2022 Presentation

Studying and modeling the effect of impedance on neural electrodes

Thong Le, Kazon Harrigan, Hargsoon Yoon, Min Kim

Proceedings Volume PC12045, PC120450A (2022) https://doi.org/10.1117/12.2616027

KEYWORDS: Electrodes, Polymers, Data modeling, Surgery, Signal to noise ratio, In vivo imaging, Dielectrics, Data acquisition, Circuit switching, Brain

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Proceedings Article | 22 March 2021 Presentation

Mechanical, electrical and optical properties of cellulose nanofiber films modified using polydopamine coating

Jaehwan Kim, Ruth M. Muthoka, Hargsoon Yoon, Hyun Chan Kim, Pooja S. Panicker

Proceedings Volume 11590, 115900R (2021) https://doi.org/10.1117/12.2582711

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Proceedings Article | 22 March 2021 Poster + Presentation + Paper

Signal processing to improve speed and accuracy of electrical impedance tomography imaging

Thong Le, Hoang Tran, Vu Pham, Hargsoon Yoon

Proceedings Volume 11590, 1159012 (2021) https://doi.org/10.1117/12.2585224

KEYWORDS: Algorithm development, Tomography, Reconstruction algorithms, Signal processing, Switching, Surgery, Signal to noise ratio, Neurological disorders, Multiplexers, Medical devices

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Proceedings Article | 22 March 2021 Poster + Presentation + Paper

Analyzing functional connectivity in the brain using cross-correlation analysis of local field potentials

Thong Le, Maitreyee Pharande, Aslam Khan, Vu Pham, Laurie Wellman, Richard Britten, Larry Sanford, Hargsoon Yoon

Proceedings Volume 11590, 1159011 (2021) https://doi.org/10.1117/12.2585176

KEYWORDS: Brain, Signal attenuation, Prefrontal cortex, Neural networks, Lead, Interference (communication), Eye, Electronic filtering, Electrodes, Amygdala

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Proceedings Article | 27 March 2019 Paper

Polydopamine-nanocellulose nanocomposites: physical and electrical properties for biomedical electrodes

Jaehwan Kim, Sunanda Roy, Ruth Muthoka, Hyun Chan Kim, Hargsoon Yoon, Swarup Roy

Proceedings Volume 10969, 1096905 (2019) https://doi.org/10.1117/12.2513875

KEYWORDS: Personal digital assistants, Electrodes, Nanofibers, FT-IR spectroscopy, Nanocomposites, Biomedical optics, Composites, Hydrogen, Coating, Biosensing

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Proceedings Article | 27 March 2019 Paper

Investigation of electrochemical and mechanical coupling effects of micromotion in neural sensing

Hargsoon Yoon, Jisuk Kang, Junhyun Kim, Myung Yung Jeong, Seonhye Han

Proceedings Volume 10969, 1096908 (2019) https://doi.org/10.1117/12.2513913

KEYWORDS: Electrodes, Brain, Mechanical sensors, Actuators, Neurotransmitters, Interfaces

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Proceedings Article | 27 March 2019 Paper

Rechargeable power management system using active balancing for biomedical devices

Lochan Pai, Hargsoon Yoon, Nived Mukundan, Aslam Khan

Proceedings Volume 10969, 1096914 (2019) https://doi.org/10.1117/12.2514305

KEYWORDS: Transformers, Field effect transistors, Capacitors, Switching, Lithium, Ions, Diodes

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Proceedings Article | 17 April 2017 Presentation + Paper

How coupling affects closely packed rectenna arrays used for wireless power transmission

Kyo Song, Deidra Walls, Sang Choi, Hargsoon Yoon, Demetris Geddis

Proceedings Volume 10167, 101670R (2017) https://doi.org/10.1117/12.2260510

KEYWORDS: Antennas, Diodes, Wireless energy transfer, Microwave radiation, Biomedical optics, Manufacturing, Thin films, Linear filtering, Analytical research, Copper

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Proceedings Article | 10 June 2016 Paper

Simulation study of a high power density rectenna array for biomedical implantable devices

Hargsoon Yoon, Kyo Song, John Day, Sang Choi, Jaehwan Kim

Proceedings Volume 9802, 980217 (2016) https://doi.org/10.1117/12.2222603

KEYWORDS: Wireless energy transfer, Biomedical optics, Antennas, Linear filtering, X band, Power supplies, Diodes, Medical research, Microwave radiation, Surgery

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Proceedings Article | 22 December 2015 Paper

A wirelessly powered microspectrometer for neural probe-pin device

Sang Choi, Kyo Song, Hargsoon Yoon, Uhn Lee, Min Kim

Proceedings Volume 9668, 96683Z (2015) https://doi.org/10.1117/12.2202203

KEYWORDS: Brain, Sensing systems, Skin, Magnetism, Antennas, Optical fibers, Sensors, Optical sensing, Neurotransmitters, Electrodes

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Proceedings Article | 3 April 2015 Paper

Review of radio wave for power transmission in medical applications with safety

Kyo Song, John Day, Demetris Geddis, Hargsoon Yoon, Jaehwan Kim, Sang Choi

Proceedings Volume 9434, 94340T (2015) https://doi.org/10.1117/12.2084854

KEYWORDS: Tissues, Absorption, Skin, Dielectrics, Microwave radiation, Safety, Temperature metrology, Wireless energy transfer, Nerve, Biosensors

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Proceedings Article | 3 April 2015 Paper

Probe-pin device for optical neurotransmitter sensing in the brain

Hargsoon Yoon, Min Hyuck Kim, Kyo Song, Yeonjoon Park, Sang Choi, Dae-Sung Lee, Kyu-Sik Shin, Hak-In Hwang, Uhn Lee

Proceedings Volume 9434, 943409 (2015) https://doi.org/10.1117/12.2085610

KEYWORDS: Neurotransmitters, Brain, Surface enhanced Raman spectroscopy, Optical sensing, Luminescence, Optical fibers, Image sensors, Plasmonics, Brain stimulation, Light sources

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Proceedings Article | 3 April 2015 Paper

Miniaturized neural sensing and optogenetic stimulation system for behavioral studies in the rat

Hargsoon Yoon, Min Hyuck Kim, Ilho Nam, Youngki Ryu, Laurie Wellman, Larry Sanford

Proceedings Volume 9434, 94340B (2015) https://doi.org/10.1117/12.2085617

KEYWORDS: Optogenetics, Sensing systems, Neurotransmitters, Brain, Light emitting diodes, Microcontrollers, Electrodes, Telecommunications, Control systems, In vivo imaging

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SPIE Journal Paper | 11 June 2014

Micromotion-induced dynamic effects from a neural probe and brain tissue interface

Michael Polanco, Hargsoon Yoon, Sebastian Bawab

JM3, Vol. 13, Issue 02, 023009, (June 2014) https://doi.org/10.1117/12.10.1117/1.JMM.13.2.023009

KEYWORDS: Brain, Interfaces, Tissues, Silicon, Injuries, Finite element methods, Neurons, Electrodes, Mechanical sensors, 3D modeling

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Proceedings Article | 16 April 2014 Paper

Parylene-C passivation and effects on rectennas' wireless power transfer performance

Kyo Song, Camille Cooper, Keisharra Eldridge, Min Kim, Hargsoon Yoon, Sang Choi

Proceedings Volume 9060, 90601A (2014) https://doi.org/10.1117/12.2045384

KEYWORDS: Dielectrics, Coating, Microwave radiation, Diodes, Thin films, Antennas, Environmental sensing, Thin film coatings, Analytical research, Sensors

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Proceedings Article | 9 April 2013 Paper

Polyimide neural probe for chronic sensing of neural activity and micro-positioning

Hargsoon Yoon, Darryl Scott, Min Kim, Larry Sanford, Kyo Song, Courtney Smith

Proceedings Volume 8691, 86910N (2013) https://doi.org/10.1117/12.2009844

KEYWORDS: Electrodes, Brain, Polymers, Titanium, Tissues, Connectors, Action potentials, Photomasks, Optical lithography, Gold

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Proceedings Article | 9 April 2013 Paper

Micromotion-induced dynamic effects from a neuron probe and brain tissue interface

Hargsoon Yoon, Michael Polanco, Sebastian Bawab

Proceedings Volume 8691, 869109 (2013) https://doi.org/10.1117/12.2009874

KEYWORDS: Brain, Interfaces, Silicon, Tissues, Injuries, Neurons, Finite element methods, Nervous system, Mechanical sensors, Analytical research

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Proceedings Article | 24 October 2012 Paper

Microwave thermal radiation effects on skin tissues

Uhn Lee, Hargsoon Yoon, Sang Choi, Kyo Song

Proceedings Volume 8548, 85482R (2012) https://doi.org/10.1117/12.945956

KEYWORDS: Skin, Microwave radiation, Tissues, Absorption, Temperature metrology, Dielectrics, Near field, Amplifiers, Signal attenuation, Distance measurement

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