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High-Temperature and High-Pressure In situ Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
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On the magic-angle turning and phase-adjusted spinning sidebands experiments.

Ivan Hung1, Zhehong Gan

  • 1Center of Interdisciplinary Magnetic Resonance, National High Magnetic Field Laboratory, 1800 East Paul Dirac Drive, Tallahassee, FL 32310, USA.

Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|March 6, 2010
PubMed
Summary
This summary is machine-generated.

Magic-Angle Turning (MAT) experiments meet Phase-Adjusted Spinning Sidebands (PASS) conditions for separating spinning sidebands. This simplifies measurements of chemical shift anisotropy using MAT.

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Area of Science:

  • Solid-state Nuclear Magnetic Resonance (NMR) spectroscopy
  • Physical Chemistry

Background:

  • Magic-Angle Turning (MAT) and Phase-Adjusted Spinning Sidebands (PASS) are NMR techniques used for spectral analysis.
  • Understanding the relationship between MAT and PASS is crucial for optimizing NMR experiments.

Purpose of the Study:

  • To investigate the fundamental relationship between Magic-Angle Turning (MAT) and Phase-Adjusted Spinning Sidebands (PASS) experiments.
  • To demonstrate how MAT can fulfill PASS conditions for improved spectral resolution.

Main Methods:

  • Theoretical analysis of time-domain data from MAT and PASS experiments.
  • Examination of the conditions under which MAT satisfies PASS requirements.
  • Introduction of a shearing transformation to relate the data of both experiments.

Main Results:

  • MAT experiments satisfy PASS conditions for spinning sideband separation with non-constant evolution time.
  • MAT requires only linear t(1) increments up to one rotor period.
  • A shearing transformation connects the time-domain data of MAT and PASS.

Conclusions:

  • The combination of MAT's linear evolution-time increments and PASS's data processing offers an attractive method for implementing MAT.
  • This approach facilitates the measurement of chemical shift anisotropy (CSA).
  • MAT provides a simplified yet effective route for CSA determination in solid-state NMR.