Closed-cycle cold helium magic-angle spinning for sensitivity-enhanced multi-dimensional solid-state NMR

• Published in: Journal of magnetic resonance (1997) Vol. 259; pp. 76 - 81
• Main Authors: Matsuki, Yoh, Nakamura, Shinji, Fukui, Shigeo, Suematsu, Hiroto, Fujiwara, Toshimichi
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 01.10.2015
• Subjects: Closed-loop helium circulation; Cold Temperature; Cryogenic magic-angle spinning; Electricity; Helium - chemistry; Magnetic Resonance Spectroscopy - economics; Magnetic Resonance Spectroscopy - instrumentation; Magnetic Resonance Spectroscopy - methods; Sensitivity enhancement; Solid-state NMR; Temperature; Closed-loop helium circulation; Solid-state NMR; Sensitivity enhancement; Cryogenic magic-angle spinning

[Display omitted] •Magic-angle spinning (MAS) NMR probe system with a closed-loop helium recirculation.•Stable MAS for weeks at sample temperature T=35K without consuming helium.•Multi-dimensional MAS NMR at T=35K at a low running cost for electricity 16kW/h.•An order of magnitude sensitivity gain a...