Positron Emitting Ferrites:
Controlled Design to Achieve an Order of Magnitude Improvement in Image Spatial Resolution
By Modulation of Matter-AntiMatter Reactions
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Positron Emitting Ferrites:
Controlled Design to Achieve an Order of Magnitude Improvement in Image Spatial Resolution By Modulation of Matter-AntiMatter Reactions |
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| The new field of molecular imaging requires highly detectable imaging labels with very high spatial resolution. By delivering positron emitting nuclides inside a targetable ferrite spinel crystal, MSI has greatly improved the spatial resolution of PET imaging. The distance of travel of a positron prior to annihilation greatly degrades spatial resolution. However that distance is dependent on the density of the medium through which the positron travels. Ferrites have twelve times the density of water, so annihilations take place ten times closer to the original disintegration at the molecular target site. | ||||||||||||||||||||||||||
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