Investigation of Magnetic Particle Imaging: Localization Along One Dimension
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Magnetic particle imaging (MPI) is a novel tracer-based imaging modality that was first introduced in 2006. MPI utilizes the unique magnetic properties of super paramagnetic iron oxide nanoparticles (SPIONs) to produce temporospatial information. In addition, MPI has the potential for high resolution and high sensitivity. The main components of MPI can be broken down into the transmit signal chain and the receive signal chain. This research project will discuss some of the basic concepts behind MPI in addition to explaining some of the practical hardware designs and considerations in an MPI system. There is a section on debugging the hardware and software as this was a major component of the project. This section mainly identifies the noise sources in addition to presenting a guide and tips on how to decouple the transmit coil and receive coil. The section on tests and results analyzes the specification of the MPI system by characterizing the gradient coil, analyzing the detection limit for the relaxometry component of the system, and the sensitivity and resolution of the 1D MPI system. The objective of the project is to design and build a 1D MPI system that is portable and cost-effective with a resolution that would be suitable for imaging.
SubjectMagnetic Particle Imaging
Liaou, Joshua Wentau (2019). Investigation of Magnetic Particle Imaging: Localization Along One Dimension. Master's thesis, Texas A & M University. Available electronically from