## Abstract Accurate quantitation of metabolites in biological samples of irregular shape and inβhomogeneous composition is generally acknowledged to be difficult. The difficulties are less pronounced with a probe having excellent __B__~1~ field homogeneity, high sensitivity, and a resonant frequen
Designing a solenoid coil of high sensitivity for a cryogenic probe of a novel split magnet
β Scribed by Minseok Park; Kenji Kawasaki; Michiya Okada; Hitoshi Kitaguchi
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 453 KB
- Volume
- 37B
- Category
- Article
- ISSN
- 1552-5031
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A low-temperature, high-power NMR probe head design is described which eliminates the problem of electric arc discharge commonly experienced during radiofrequency pulse cycling in a helium environment. A polychlorotrifluoroethylene (Kel-F) coil former, fitted with a solenoid coil, is heat-shrunk ont
## Abstract A planar YBa~2~Cu~3~O~x~ (YBCO) coil has been used as a pickβup coil in a nuclear magnetic resonance imager. It was found that the quality factor __Q__ of the YBCO coil was greater than its copper counterpart by approaching 50% even in a field of 0.15 T. The Q of the copper coil at 77 K