NIST/NIH micromagnets show promise as colorful 'smart tags' for magnetic resonance imaging

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Caption: Microscopic magnets (above left) designed and tested in a joint NISTNIH project might one day be injected into the body to add color and smart tag capability to magnetic resonance imaging for medical diagnosis and research. The image on the ...
Caption: Microscopic magnets (above left), designed and tested in a joint NIST/NIH project, might one day be injected into the body to add color and "smart tag" capability to magnetic resonance imaging for medical diagnosis and research. The image on the right shows light scattering from grids of magnets on a wafer where they were made using conventional microfabrication techniques. (LEFT IMAGE) Credit: G. Zabow, NIST/NIH

Colo.-Customized microscopic magnets that might one day be injected into the body could add color to magnetic resonance imaging (MRI), while also potentially enhancing sensitivity and the amount of information provided by images, researchers at the National Institute of Standards and Technology (NIST) and National Institutes of Health (NIH) report. The new micromagnets also could act as "smart tags" identifying particular cells, tissues, or physiological conditions, for medical research or diagnostic purposes.


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