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Abstract #1759

Determining surface to volume ratios in capillary tube samples using oscillating gradient spin echo sequences

Morgan Mercredi1, Sheryl Herrera1, Richard Buist2, and Melanie Martin1,3

1Physics and Astronomy, University of Manitoba, Winnipeg, MB, Canada, 2Radiology, University of Manitoba, 3Physics, University of Winnipeg, Winnipeg, MB, Canada

There is an increasing drive to use diffusion spectroscopy to infer the sizes of structures in samples. Most methods use pulsed gradient spin echo sequences which cannot provide short enough diffusion times to probe very small structures. Instead, we use oscillating gradient spin echo sequences (OGSE) to probe the short-time regime allowing for small structures to be measured. Here we use the apodised cosine OGSE to infer the surface to volume ratio of a collection of packed capillary tubes, and use it approximate the tube diameters.

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