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Neuroimaging in Randomized, Multi-Center Clinical Trials of Endovascular Treatment for Acute Ischemic Stroke: A Systematic Review

Suh CH, Jung SC, Kim B, Cho SJ, Woo DC, Oh WY, Lee JG, Kim KW

Appropriate use and analysis of neuroimaging techniques is an inevitable aspect of clinical trials for patients with acute ischemic stroke. Neuroimaging examinations were recently used to define the core eligibility...
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Neuroimaging in Acute Ischemic Stroke: Role and Recent Advances

Cho SJ, Jung SC, Suh CH, Kim KW, Woo DC, Oh WY, Lee JG, Kim BJ

Neuroimaging plays a key role in assessing the detection of acute hemorrhage, diagnosis of infarct core, detection of steno-occlusive arteries, mismatch between infarct core and penumbra, and collateral circulation in...
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Preliminary Phantom Experiments to Map Amino Acids and Neurotransmitters Using MRI

Oh JH, Kim HG, Woo DC, Rhee SJ, Lee SY, Jahng GH

The objective of this study was to evaluate the chemical exchange saturation transfer (CEST) effect of amino acids and neurotransmitters, which exist in the human brain, depending on the concentration,...
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Radiofrequency Coil Design for in vivo Sodium Magnetic Resonance Imaging of Mouse Kidney at 9.4T

Lim SI, Woo CW, Kim ST, Choe BY, Woo DC

The objective of this study was to describe a radiofrequency (RF) coil design for in vivo sodium magnetic resonance imaging (MRI) for use in small animals. Accumulating evidence has indicated...
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Influence of B₁-Inhomogeneity on Pharmacokinetic Modeling of Dynamic Contrast-Enhanced MRI: A Simulation Study

Park B, Choi BS, Sung YS, Woo DC, Shim WH, Kim KW, Choi YS, Pae SJ, Suh JY, Cho H, Kim JK

OBJECTIVE: To simulate the B₁-inhomogeneity-induced variation of pharmacokinetic parameters on dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). MATERIALS AND METHODS: B₁-inhomogeneity-induced flip angle (FA) variation was estimated in a phantom study. Monte...
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Neurochemical Profile Quantification of Regional Adult Mice Brain Using: ex vivo 1H High-Resolution Magic Angle Spinning NMR Spectroscopy

Lee DW, Woo DC, Lee SH, Kim SY, Kim GY, Rhim HS, Choi CB, Kim HY, Lee CW, Choe BY

  • KMID: 2243949
  • Korean J Med Phys.
  • 2010 Mar;21(1):35-41.
The purpose of this study is to quantitate regional neurochemical profile of regional normal adult mice brain and assess regional metabolic differences by using ex vivo 1H high-resolution magic angle...
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Evaluations of Spectral Analysis of in vitro 2D-COSY and 2D-NOESY on Human Brain Metabolites

Choe BY, Woo DC, Kim SY, Choi CB, Lee SI, Kim EH, Hong KS, Jeon YH, Cheong C, Kim SS, Lim HS

  • KMID: 2012312
  • J Korean Soc Magn Reson Med.
  • 2008 Jun;12(1):8-19.
PURPOSE: To investigate the 3-bond and spatial connectivity of human brain metabolites by scalar coupling and dipolar nuclear Overhauser effect/enhancement (NOE) interaction through 2D- correlation spectroscopy (COSY) and 2D- NOE...
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Assessment on Gastrointestinal Transit Movement of Capsule Endoscopy in Beagle Dogs

Chang HS, Yang HT, Kim SY, Woo DC, Park WD, Yong JH, Choe BY, Kim HY, Choi CB

  • KMID: 1482442
  • Korean J Med Phys.
  • 2008 Jun;19(2):125-130.
The object of this study is to measure the transit time and passage rate of capsule endoscopy (CE) in the gastrointestinal tract in medium sized beagle dogs (7~13 kg). Animals...
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Evaluation of Antidepressant Drug Effect in a Depressive Animal Model by Proton MR Spectroscopy

Kim SY, Choi CB, Lee SH, Woo DC, Yoon SI, Hong KS, Lee HS, Cheong CJ, Jee BK, Hong ST, Kim HY, Choe BY

  • KMID: 1482438
  • Korean J Med Phys.
  • 2008 Jun;19(2):95-101.
In this study, we observed the alteration of choline signal intensity in hippocampus region of the depressive rat model induced by forced swimming test (FST). The purpose of this study...
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Alteration Analysis of Normal Human Brain Metabolites with Variation of SENSE and NEX in 3T Multi Voxel Spectroscopy

Seong YH, Rhim JD, Lee JH, Cho SB, Woo DC, Choe BY

  • KMID: 2243967
  • Korean J Med Phys.
  • 2008 Dec;19(4):256-262.
To evaluate the metabolic changes in normal adult brains due to alterations SENSE and NEX (number of excitation) by multi voxel MR Spectroscopy at 3.0 Tesla. The study group was...
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Measurement and Assessment of Absolute Quantification from in Vitro Canine Brain Metabolites Using 500 MHz Proton Nuclear Magnetic Resonance Spectroscopy: Preliminary Results

Woo DC, Bang E, Choi CB, Lee SH, Kim SS, Rhim HS, Kim HY, Choe BY

  • KMID: 2144312
  • J Korean Soc Magn Reson Med.
  • 2008 Dec;12(2):100-106.
The purpose of this study was to confirm the exactitude of in vitro nuclear magnetic resonance spectroscopy (NMRS) and to complement the defect of in vivo NMRS. It has been...
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Investigation of Varied MR Spectra by TE and Metabolite Amount in the Localized Voxel using the MR Cone-shape Phantom

Woo DC, Kim SS, Rhim HS, Jahng GH, Choe BY

  • KMID: 2244004
  • Korean J Med Phys.
  • 2007 Sep;18(3):179-185.
The purpose of this study is to investigate the spectra of a magnetic resonance spectroscopy (MRS) in accordance with the variance of TE and the volumes of metabolites in a...
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Development of Solenoid RF Coil for Animal Imaging in 3T High Magnetic Field MRI

Lee HS, Woo DC, Min KH, Kim YK, Lee HK, Choe BY

  • KMID: 1511395
  • J Korean Soc Magn Reson Med.
  • 2007 Jun;11(1):20-26.
PURPOSE: The purpose of the present study was to develop and optimize solenoid coil for animal- model in 3 T MRI system and investigate and compare with the birdcage coil...
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