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Meeting 2013 TMS Annual Meeting & Exhibition
Symposium 2013 and Beyond: Flexible Electronics
Presentation Title Brain Matched Magnetic Susceptibility in Metallic Alloys for Use during MR Imaging
Author(s) Charles R Fisher, Garrett W Astary, Rachel L. Stewart, Marcus K. Peprah, Tom H. Mareci, Mark W. Meisel, Paul R. Carney, Malisa Sarntinoranont, Michele Viola Manuel
On-Site Speaker (Planned) Charles R Fisher
Abstract Scope Distortion in magnetic resonance (MR) images from implanted medical devices hinders diagnostic conclusions based on this technique. The distortion occurs because of magnetic susceptibility mismatch between the implant and the surrounding tissue. It is known that the magnetic susceptibility of metals can be tailored through alloy chemistry. This methodology can provide a potential path for the development a magnetic susceptibility-matched alloy for implant usage in the brain. Knowing appropriate processing-structure-property relationships, a prototype model system were developed to elucidate the effectiveness of the technique. This study shows how a solid-solution metallic alloy can be utilized to match magnetic susceptibility of the human brain to create clear MR images. In addition, a biocompatible alloy with appropriate thermoelectric and mechanical properties will be detailed for use as an electrode pad array utilized on the brain.
Proceedings Inclusion? Planned:


Brain Matched Magnetic Susceptibility in Metallic Alloys for Use during MR Imaging
Electrochemical Gating and Oxide Field-effect Transistors: Switching Speed and Device Stability Issues
Electrochemical Properties of Neural Interfaces on Smart, Softening Substrates
Fabricating High-Strain Capacity Conductors on Shape Memory Polymers in Metastable States to Accommodate Large Shape Changes in Flexible Electronic Devices
Flexible Organic Thin Film Transistors for Neural Interfaces
Flexible Organic Transistors on Shape Memory Polymer Substrates for Conformable Biointegrated Interfaces
Flexible, Large-Area Sensor Circuits Fabricated by Additive Printing
Graphene Coated with Titanium Nitride as Electrode Materials for Neural Interfaces
Growth Time Performance Dependence of Vertically Aligned Carbon Nanotube Supercapacitors Grown on Aluminum Substrates
High-Performance Flexible Organic Photovoltaic Cells with Amorphous ZITO Electrode
Low-Temperature Materials for a Neuromorphic Architecture
Shape Memory Polymer Substrates for Softening, 3D Neural Interfaces
Use of Compliant Materials in the Fabrication of a Flexible Utah Neural Interface Electrode Array

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