Manufacturing Industry
Nano-coating shields implant against strong magnetic field.(Medical Materials)
Advanced Materials & Processes, September, 2003
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A coating that protects biomedical implants from the strong magnetic field of a Magnetic Resonance Imaging (MRI) scan, has been developed by Biophan, West Henrietta, N.Y. The strong magnetic field of an MRI scan can induce currents in metallic implants. To prevent this, the coating is made of a mixture of poorly conducting nanoparticles held in an insulating matrix.
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The coating is less than three microns thick, and reflects most of the MRI waves. It also has millions of mega-ohms of resistance, preventing currents of any size from being generated in the material. Currently, MRI ...
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