Ultrashort echo-time (UTE) Imaging (e.g., for lung imaging, Sodium imaging)
Ultrafast 3D imaging using spatiotemporal encoding (e.g., for BOLD-fMRI, DCE-MRI)
Non-BOLD fMRI: Direct imaging of neuronal activity
Frequency-modulation RF pulse and its applications
Education
(Ph.D.) Biophysical Sciences and Medical Physics, University of Minnesota, USA
Experience
Assistant Research Professor, University of Minnesota
Assistant Professor, Konkuk University
Chair, Advanced MR study group
Participating professor, Center for Neuroscience Imaging Research
Journal Articles
(2023)
Assessment of Pulmonary Ventilation Using 3D Ventilation Flow-Weighted and Ventilation-Weighted Maps From 3D Ultrashort Echo Time (UTE) MRI.
JOURNAL OF MAGNETIC RESONANCE IMAGING.
10.1002,
29129
(2022)
In vivo direct imaging of neuronal activity at high temporospatial resolution.
SCIENCE.
378,
6616
(2021)
Neural correlates of tactile hardness intensity perception during active grasping.
PEERJ.
9,
-
(2021)
An equal-TE ultrafast 3D gradient-echo imaging method with high tolerance to magnetic susceptibility artifacts: Application to BOLD functional MRI.
MAGNETIC RESONANCE IN MEDICINE.
85,
4
(2021)
Line scan-based rapid magnetic resonance imaging of repetitive motion.
SCIENTIFIC REPORTS.
11,
1
(2020)
Strategies for rapid reconstruction in 3D MRI with radial data acquisition: 3D fast Fourier transform vs two-step 2D filtered back-projection.
SCIENTIFIC REPORTS.
10,
1
(2019)
k-Space deep learning for reference-free EPI ghost correction.
MAGNETIC RESONANCE IN MEDICINE.
82,
6
(2019)
A new ultrafast 3D gradient echo-based imaging method using quadratic-phase encoding.
MAGNETIC RESONANCE IN MEDICINE.
82,
1
(2019)
Gradient-echo and spin-echo blood oxygenation level-dependent functional MRI at ultrahigh fields of 9.4 and 15.2 Tesla.
MAGNETIC RESONANCE IN MEDICINE.
81,
2
(2018)
A Robust Self-navigation for Respiratory Gating in 3D Radial Ultrashort.
JOURNAL OF THE KOREAN PHYSICAL SOCIETY.
73,
1
(2018)
Gradient-echo-based 3D submillisecond echo time pulmonary MR imaging: a preliminary usability study on clinical and preclinical MR scanners.
BRITISH JOURNAL OF RADIOLOGY.
91,
1087
(2018)
In-vivo Visualization of Iron Oxide Enhancement in Focal Pulmonary Inflammatory Lesions Using a Three-Dimensional Radial Gradient-Echo-Based Ultrashort Echo Time Sequence: A Preliminary Study.
KOREAN JOURNAL OF RADIOLOGY.
19,
1
(2017)
Neural Activity Patterns in the Human Brain Reflect Tactile Stickiness Perception.
FRONTIERS IN HUMAN NEUROSCIENCE.
11,
(2017)
Inter-vender and test-retest reliabilities of resting-state functional magnetic resonance imaging: Implications for multi-center imaging studies.
MAGNETIC RESONANCE IMAGING.
44,
(2017)
Full Analytical Solution of the Bloch Equation When Using a Hyperbolic-Secant Driving Function.
MAGNETIC RESONANCE IN MEDICINE.
77,
4
(2017)
Nuclear paramagnetism-induced MR frequency shift and its implications for MR-based magnetic susceptibility measurement.
MAGNETIC RESONANCE IN MEDICINE.
77,
2
(2017)
Human Brain Activity Related to the Tactile Perception of Stickiness.
FRONTIERS IN HUMAN NEUROSCIENCE.
11,
(2016)
Identification and Reduction of Image Artifacts in Non-Contrast-Enhanced Velocity-Selective Peripheral Angiography at 3T.
MAGNETIC RESONANCE IN MEDICINE.
76,
2
(2016)
A radial sampling strategy for uniform k-space coverage with retrospective respiratory gating in 3D ultrashort-echo-time lung imaging.
NMR IN BIOMEDICINE.
29,
5
(2016)
A New Tailored Sinc Pulse and Its Use for Multiband Pulse Design.
대한자기공명의과학회지.
20,
1
Patent/Intellectual Property
볼륨선택적 3차원 자기공명영상 생성 장치 및 방법.
10-2020-0048957.
20211220.
KOREA, REPUBLIC OF
신경 활동의 직접 모니터링 및 공간적 매핑을 위한 방법.
10-2019-0070974.
20201029.
KOREA, REPUBLIC OF
자기공명영상 장치 및 자기공명영상 생성 방법.
10-2017-0149254.
20190515.
KOREA, REPUBLIC OF
3D 폐 자기공명영상에서 후향 호흡 동기를 이용한 영상시 균일한 데이타 공간 유지를 위한 데이타 획득 기법.
10-2015-0113324.
20170406.
KOREA, REPUBLIC OF
SHORT TE 3D RADIAL SAMPLING SEQUENCE FOR MRI.
US 2011 FO288398 A1.
20160517.
UNITED STATES
Conference Paper
(2023)
Image-based Assessment of Pulmonary Function using Magnetic Resonance Imaging.
The 79th Korean Congress of Radiology (KCR) 2023.
KOREA, REPUBLIC OF
(2023)
Direct Imaging of visually evoked neuronal responses in humans at millisecond temporal resolution.
The Organization for Human Brain Mapping (OHBM) 2023 Annual Meeting.
CANADA
(2023)
Evaluation of a Patient with Interstitial Lung Disease Using 3D Perfusion Maps Based on 3D Ultrashort Echo-time Imaging.
2023 ISMRM & ISMRT Annual Meeting & Exhibition.
CANADA
(2023)
The respective contribution of cell swelling and changes in hydrated water molecules to T2 changes due to changes in membrane potential.
2023 ISMRM & ISMRT Annual Meeting & Exhibition.
CANADA
(2023)
In vivo Detection of Changes in Membrane Potential in Rat Cortex by T2 mapping.
2023 ISMRM & ISMRT Annual Meeting & Exhibition.
CANADA
(2023)
In vivo direct imaging of neuronal activity at high temporal and spatial resolution.
2023 ISMRM & ISMRT Annual Meeting & Exhibition.
CANADA
(2023)
Observing visually evoked responses in the human thalamus and cortex at millisecond temporal resolution: Preliminary study at 3 T.
2023 ISMRM & ISMRT Annual Meeting & Exibition.
CANADA
(2023)
Flow-suppressed 2D Spin-Echo EPI with high B1-insensitivity using Hyperbolic Secant Pulses.
2023 ISMRM & ISMRT Annual Meeting & Exhibition.
CANADA
(2022)
In Vivo Direct Imaging of Neuronal Activity at High Temporo-Spatial Resolution.
The 10th International Congress on MRI & 27th Annual Scientific Meeting of KSMRM.
KOREA, REPUBLIC OF
(2022)
Reconstruction for Simultaneous Multi-Slab Spatiotemporal Encoding (SMS SPEN) Using Split Slice-GRAPPA combined with CAIPIRINHA.
Joint Annual Meeting ISMRM-ESMRMB ISMRT 31st Annual Meeting.
UNITED KINGDOM
(2022)
3D Pulmonary Perfusion Mapping Using 3D Ultrashort Echo-time Imaging.
Joint Annual Meeting ISMRM-ESMRMB ISMRT 31st Annual Meeting.
UNITED KINGDOM
(2022)
Cell swelling induces measurable changes in T2 relaxation time.
Joint Annual Meeting ISMRM-ESMRMB ISMRT 31st Annual Meeting.
UNITED KINGDOM
(2022)
In vivo direct imaging of visually evoked neuronal responses at milliseconds temporal resolution.
Joint Annual Meeting ISMRM-ESMRMB ISMRT 31st Annual Meeting.
UNITED KINGDOM
(2022)
The electric potential of lipid vesicle surfaces affects T2 and magnetization transfer.
Joint Annual Meeting ISMRM-ESMRMB ISMRT 31st Annual Meeting.
UNITED KINGDOM
(2021)
Comparison of 2D-EPI, 3D-EPI and ERASE in terms of physiological noise, SNR and tSNR.
2021 ISMRM & SMRT Annual Meeting & Exhibition.
UNITED STATES
(2021)
Identification of Emphysema Using 3D Ultrashort Echo-Time Imaging with Ventilation Map and Ventilation Flow Map.
2021 ISMRM & SMRT Annual Meeting & Exhibition.
UNITED STATES
(2021)
Simultaneous multi-slice 3D Spatiotemporal Encoding (SPEN) Imaging: Emulation study.
2021 ISMRM & SMRT Annual Meeting & Exhibition.
UNITED STATES
(2021)
High temporospatial resolution MR imaging of neuronal activity in vivo.
2021 ISMRM & SMRT Annual Meeting & Exhibition.
UNITED STATES
(2021)
Noninvasive Detection of Changes in Membrane Potential with MR Measurements.
2021 ISMRM & SMRT Annual Meeting & Exhibition.
UNITED STATES
(2021)
Susceptibility artifact-insensitive ultrafast 3D gradient-echo imaging by combination of head-tilting and ERASE acquisition: Comparison with gradient-echo EPI..
2021 ISMRM & SMRT Annual Meeting & Exhibition.
UNITED STATES
