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Abstract #1710

Improving Detection of Micron Size Magnetic Particles using Linear Phase Ramps

Stephen J. Dodd1, Gary Zabow1, James P. Sumner1, Alan P. Koretsky1

1Laboratory of Functional & Molecular Imaging, NINDS, National Institutes of Health, Bethesda, MD, United States

The contrast from micron size magnetic particles is dependent on the position within a voxel under certain imaging conditions. It is shown that the contrast maybe adjusted and improved with application of linear phase ramps in k-space to give sub-voxel image shifts. This technique will provide improved quantification of particle distributions for cell tracking experiments.