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DTSTART;TZID=America/New_York:20201118T120000
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SUMMARY:BioE Seminar Series Presents: Christoph Juchem
DESCRIPTION:Christoph Juchem\, Ph.D. \nAssociate Professor in the Departments of Biomedical Engineering and Radiology\, Columbia University\, New York New York \n“Magnetic Resonance Imaging and B0 Shimming with the Dynamic Multi-Coil Technique (DYNAMITE)” \nABSTRACT:   \nIn my talk\, I will present a technique for B0 magnetic field control that is based on the combination of fields generated by a matrix of small\, individually driven generic coils. This multi-coil approach enables the accurate generation of simple and complex magnetic field shapes in a flexible fashion. B0 shimming with the dynamic multi-coil technique (DYNAMITE) outperforms conventional methods based on spherical harmonic functions and provides unrivaled magnetic field homogeneity in mouse\, rat and human brain. Along with the efficiency gains of DYNAMITE shimming compared to spherical harmonic approaches\, the multi-coil concept has the potential to replace conventional shim systems that are based on sets of dedicated SH coils and allow optimal object-specific shim solutions. The technology furthermore lends itself to spatial encoding. I will present MRI results\, including concomitant imaging and B0 shimming\, in which all fields are purely DYNAMITE-based and conclude with the first realization of DYNAMITE MRI of the in vivo human brain. The obtained image fidelity is comparable to MRI with conventional gradient coils\, paving the way for full-fledged human DYNAMITE MRI systems. \nBIOGRAPHY: \nDr. Juchem is an Associate Professor in the Departments of Biomedical Engineering and Radiology at Columbia University. In his research\, he develops technology and methods to realize the full clinical potential of magnetic resonance applications. Dr. Juchem has 18 years of experience in developing and conducting in vivo MR experiments at 3.0-11.7 Tesla field in humans and animal models. He served as Co-Director of Yale University’s 7T Brain MR Spectroscopy Core\, Chair of the ISMRM Engineering Study group\, and he serves on the editorial board of NMR in Biomedicine. \nIf interested in attending\, please email Elizabeth Chesley at e.chesley@northeastern.edu for the Zoom link.
URL:https://bioe.northeastern.edu/event/bioe-seminar-series-presents-christoph-juchem/
ORGANIZER;CN="Bioengineering":MAILTO:bioe@northeastern.edu
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