MR imaging with phase encoding of intermolecular multiple quantum coherences |
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Authors: | Sendhil Velan S Narasimhan P T Jacobs R E |
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Affiliation: | Biological Imaging Center, 139-74 Beckman Institute, California Institute of Technology, Pasadena, California 91125, USA. |
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Abstract: | Novel 2D and 3D pulse sequences producing images through the phase encoding of intermolecular multiple quantum coherences (i-MQCs) are presented. The signal acquired with these sequences is free from intermolecular zero quantum coherences (i-ZQCs) which are not phase encoded and additional phase cycling eliminates artifacts. Phase encoding during the n-quantum evolution period provides n times the resolution expected from equivalent phase encoding of the reconverted single quantum coherences. These sequences have potential applications for producing i-MQC images of biological tissues as well as nonbiological materials with substantial amounts of water. |
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