Abstract #2747

Improvements in Magnetic Shielding of a B0 Insert Coil

Chad Tyler Harris¹, William B. Handler¹, Brian Dalrymple¹, Frank Van Sas¹, Yonathan Araya², Timothy J. Scholl²,³, Blaine A. Chronik¹,³

¹Physics and Astronomy, University of Western Ontario, London, Ontario, Canada; ²Medical Biophysics, University of Western Ontario, London, Ontario, Canada; ³Imaging Research Laboratories, Robarts Research Institute, London, Ontario, Canada

Delta relaxation enhanced magnetic resonance (dreMR) is a method that has been shown to drastically improve signal specificity between the bound and unbound states of targeted contrast agents. The method requires a supplementary "Bo insert coil" to modulate the main magnetic field within an otherwise unmodified superconducting system. Magnetic shielding is a major challenge in the design and construction of these insert coils. In this work, we investigate improvements in shielding capability by including primary coil construction details (i.e. winding misplacements, wire connections) in the design of the shield.