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Related Concept Videos

Double Resonance Techniques: Overview01:12

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High-Temperature and High-Pressure In situ Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
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Magic-angle turning with double acquisition.

Tatsuya Matsunaga1, K Takegoshi1

  • 1Division of Chemistry, Graduate School of Science, Kyoto University, 606-8502 Kyoto, Japan.

Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|November 12, 2016
PubMed
Summary
This summary is machine-generated.

The double acquisition magic-angle turning (DAMAT) sequence enhances data collection for chemical shift anisotropy (CSA) measurements. DAMAT offers improved signal-to-noise ratios and eliminates spinning sidebands without spectral shearing.

Keywords:
Double acquisitionHigh resolution solid state NMRMagic-Angle Turning (MAT)

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Area of Science:

  • Solid-state Nuclear Magnetic Resonance (NMR) spectroscopy.
  • Materials characterization techniques.

Background:

  • Magic-angle hopping (MAH) and magic-angle turning (MAT) are crucial for determining chemical shift anisotropy (CSA) in powder samples.
  • Efficient data collection is vital for complex multidimensional NMR experiments.

Purpose of the Study:

  • To adapt the double-acquisition scheme (States method) for MAH and MAT experiments.
  • To evaluate the performance of the double acquisition MAT (DAMAT) sequence.

Main Methods:

  • Implementation of the double-acquisition scheme within MAT experiments.
  • Comparison of DAMAT with existing MAH/MAT variants.

Main Results:

  • DAMAT achieves signal-to-noise (S/N) ratios comparable to or exceeding other MAH/MAT sequences.
  • DAMAT eliminates spinning sidebands in the indirect dimension.
  • DAMAT obviates the need for spectral shearing.

Conclusions:

  • DAMAT is an efficient method for collecting hypercomplex data in 2D NMR experiments.
  • DAMAT offers significant advantages for CSA principal value determination in powder samples.
  • The DAMAT sequence provides superior spectral quality and simplifies data processing.