Magnetic resonance imaging using hyperpolarized 3He-gas1
✍ Scribed by Gast, Klaus Kurt; Eberle, Balthasar; Schmiedeskamp, Jörg; Kauczor, Hans-Ulrich
- Book ID
- 123027549
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 439 KB
- Volume
- 10
- Category
- Article
- ISSN
- 1076-6332
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We used MRI of hyperpolarized 3He to demonstrate some novel aspects of gas diffusion. Two different techniques were used. First, a slice was burned into a one-dimensional image by inverting the spins in the slice and diffusion was studied by measuring the magnetization as it filled the depleted slic
## Abstract The nuclear spin polarization of noble gases can be enhanced strongly by laser optical pumping followed by electron‐nuclear polarization transfer. Direct optical pumping of metastable ^3^He atoms has been shown to produce enormous polarization on the order of 0.4–0.6. This is about 10^5