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Magnetic resonance microscopy
Magnetic Resonance Microscopy (MRM, µMRI) is Magnetic Resonance Imaging (MRI) at a microscopic level. A strict definition is MRI having voxel resolutions of better than 100µm³ .
Additional recommended knowledge
Differences between MRI and MRM
Current status of MRM
Although MRI is very common for medical applications, MRM is still developed in laboratories. The major barriers for practical MRM include:
Magnetic Resonance Force Microscopy (MRFM) is claimed to have nm³-scale resolutions. It improves the sensitivity issue by introducing microfabricated cantilever to measure tiny signals. The magnetic gradient is generated by a micrometre-scale magnetic tip, yielding a typical gradient 10 million times larger than those of clinical systems. This technique is still in the beginning stage. Because the specimen need to be in high vacuum at cryogenic temperatures, MRFM can be only used for solid state matters.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Magnetic_resonance_microscopy". A list of authors is available in Wikipedia.|