Relaxation time mapping of short T2 nuclei with single-point imaging (SPI) methods
New techniques for quantitative mapping of T1, T2, and T*2 are proposed, based on the single-point imaging (SPI) method, for materials with short nuclear magnetic resonance relaxation times which cannot be imaged with traditional methods. Relaxation times extracted from two-dimensional images of uni...
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| Veröffentlicht in: | Journal of magnetic resonance (1997) 1998-11, Vol.135 (1), p.156-164 |
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| container_issue | 1 |
| container_start_page | 156 |
| container_title | Journal of magnetic resonance (1997) |
| container_volume | 135 |
| creator | Beyea, S D Balcom, B J Prado, P J Cross, A R Kennedy, C B Armstrong, R L Bremner, T W |
| description | New techniques for quantitative mapping of T1, T2, and T*2 are proposed, based on the single-point imaging (SPI) method, for materials with short nuclear magnetic resonance relaxation times which cannot be imaged with traditional methods. Relaxation times extracted from two-dimensional images of uniform doped agarose phantoms (T*2 approximately 60-210 microseconds) as well as hardened mortar (T*2 approximately 220 microseconds) and polymers (T*2 approximately 20-100 microseconds), using these techniques, agreed with bulk measurements. The method was then applied to a partially dried cylindrical concrete sample (T*2 approximately 115 microseconds). |
| doi_str_mv | 10.1006/jmre.1998.1537 |
| format | Article |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Image Enhancement Magnetic Resonance Spectroscopy - methods Phantoms, Imaging Sepharose - chemistry |
| title | Relaxation time mapping of short T2 nuclei with single-point imaging (SPI) methods |
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