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Abstract #4509

Comparison of Cylindrical and Spherical Geometric Models to Infer Cell Sizes in a Garlic Stem

Melissa Sarah Lillian Anderson1, Henri Sanness Salmon1, Guneet Uppal1,2, Jarrad Perron3, Lisa Bako4, Gong Zhang5, Sheryl Lyn Herrera1,6, and Melanie Martin1
1Physics, University of Winnipeg, Winnipeg, MB, Canada, 2University of Manitoba, Winnipeg, MB, Canada, 3Physics, University of Manitoba, Winnipeg, MB, Canada, 4Cubresa, Inc., Winnipeg, MB, Canada, 5Brain Engineering Centre, Anhui University, China Physics, University of Winnipeg, Winnipeg, MB, Canada, 6Cubresa, Winnipeg, MB, Canada

Temporal diffusion spectroscopy (TDS) can be used to infer sizes of cells in samples. It relies on a geometric model to relate the MRI signal to the cell sizes. Garlic stem collenchyma tissue has long cells which might be modelled as cylinders. We compared a cylindrical and spherical geometric model in temporal diffusion spectroscopy to determine how important the geometrical model was for garlic stems. The inferred diameters of cells in the garlic stem (4μm-6μm) were not statistically different when using the two different geometric models. This is the first step toward understanding the importance of geometric models for TDS.

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