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Cho, Hyungjoon
Biomedical Imaging Science and Engineering Lab(BISE)
Research Interests
  • Imaging tumor microenvironments, susceptibility contrast based MR structural imaging, ultra fast acquisitions of dynamic MR, algorithm/Hardware development for magnetic particle imaging


Magnetic Resonance Characterization of Porous Media Using Diffusion through Internal Magnetic Fields

DC Field Value Language Cho, Hyungjoon ko Sigmund, Eric E. ko Song, Yiqiao ko 2014-04-09T08:35:33Z - 2013-06-21 ko 2012-04 -
dc.identifier.citation MATERIALS, v.5, no.4, pp.590 - 616 ko
dc.identifier.issn 1996-1944 ko
dc.identifier.uri -
dc.identifier.uri ko
dc.description.abstract When a porous material is inserted into a uniform magnetic field, spatially varying fields typically arise inside the pore space due to susceptibility contrast between the solid matrix and the surrounding fluid. As a result, direct measurement of the field variation may provide a unique opportunity to characterize the pore geometry. The sensitivity of nuclear magnetic resonance (NMR) to inhomogeneous field variations through their dephasing effects on diffusing spins is unique and powerful. Recent theoretical and experimental research sheds new light on how to utilize susceptibility-induced internal field gradients to quantitatively probe the microstructure of porous materials. This article reviews ongoing developments based on the stimulated echo-pulse sequence to extend the characterization of porous media using both spatially resolved and unresolved susceptibility-induced internal gradients that operate on a diffusing-spin ensemble. ko
dc.description.statementofresponsibility open -
dc.language ENG ko
dc.publisher MDPI AG ko
dc.subject Convection-diffusion equations ko
dc.subject Singular perturbation analysis ko
dc.subject Boundary layers ko
dc.subject Characteristic points ko
dc.subject Compatibility conditions ko
dc.title Magnetic Resonance Characterization of Porous Media Using Diffusion through Internal Magnetic Fields ko
dc.type ARTICLE ko
dc.identifier.wosid 000303262300004 ko
dc.type.rims ART ko
dc.description.wostc 4 * 2015-02-28 *
dc.identifier.doi 10.3390/ma5040590 ko
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