Abstract #1255

Single sided magnet system for relaxometry and diffusion measurement

Dion Thomas¹, Petrik Galvosas¹, Paul D Teal², Freya G Harrison^3,4, Max Berry^3,5, Yu-Chieh Tzeng³, and Sergei Obruchkov⁶

¹School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand, ²School of Engineering and Computer Science, Victoria University of Wellington, Wellington, New Zealand, ³Centre for Translational Physiology, University of Otago, Wellington, New Zealand, ⁴Department of Surgery and Anaesthesia, University of Otago, Wellington, New Zealand, ⁵Department of Paediatrics and Child Health, University of Otago, Wellington, New Zealand, ⁶Robinson Research Institute, Victoria University of Wellington, Wellington, New Zealand

We have developed a new permanent magnet based single sided magnetic resonance system, which is suitable for relaxometry and diffusion measurement. Our design generates an external region of homogeneous B₀ field, a sweet spot, from which signal can be detected. The magnet has been optimised to have a larger penetration depth and higher B field strength than currently existing systems. We have found the system provides good homogeneity and field strength, making it useful for relaxometry. Additionally, we demonstrate it can be used for diffusion-T2 measurements, which will allow further biomedical applications.

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