A 'Magic Sandwich' pulse sequence with reduced offset dependence for high-resolution separated local field spectroscopy

Alexander A. Nevzorov; Stanley J. Opella

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A 'Magic Sandwich' pulse sequence with reduced offset dependence for high-resolution separated local field spectroscopy

机译：减少偏移相关性的“魔术三明治”脉冲序列，用于高分辨率分离局部光谱

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A pulse sequence for high resolution separated local field spectroscopy based on "magic sandwich" elements is demonstrated on a single crystal sample. Simulations and experimental results show that this pulse sequence has a reduced frequency offset dependence compared to PISEMA (polarization inversion spin exchange at the magic angle). As a result, it has a larger effective range of homonuclear decoupling, reduced zero-frequency spectral distortions, and more reliable scale factors for individual resonances. In addition, it is easier to setup on commercial spectrometers.

机译：在单晶样品上演示了基于“魔术三明治”元素的高分辨率分离局部光谱的脉冲序列。仿真和实验结果表明，与PISEMA（在魔角上的极化反转自旋交换）相比，该脉冲序列具有降低的频率偏移依赖性。结果，它具有更大的同核去耦有效范围，减少了零频频谱失真，并且对于单个共振具有更可靠的比例因子。此外，在商业光谱仪上更容易设置。

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《Journal of magnetic resonance》 |2003年第1期|共5页
作者
Alexander A. Nevzorov; Stanley J. Opella;
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正文语种 eng
中图分类电磁学、电动力学;
关键词
dipolar coupling; sample alignment; PISEMA; solid state NMR;

机译：偶极耦合;样品比对;PISEMA;固态NMR;

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1. A "Magic Sandwich" pulse sequence with reduced offset dependence for high-resolution separated local field spectroscopy [J] . Alexander A. Nevzorov, Stanley J. Opella Journal of magnetic resonance . 2003,第1期

机译：减少偏移相关性的“魔术三明治”脉冲序列，用于高分辨率分离局部光谱
2. A High-Resolution 3D Separated-Local-Field Experiment by Means of Magic-Angle Turning [J] . Jian Zhi Hu, D. W. Alderman, Ronald J. Pugmire, Journal of magnetic resonance . 1997,第1期

机译：魔角转弯的高分辨率3D局部场分离实验
3. Multiple acquisition/multiple observation separated local field/chemical shift correlation solid-state magic angle spinning NMR spectroscopy [J] . Bibhuti B. Das, Stanley J. Opella Journal of magnetic resonance . 2014,第Null期

机译：多次采集/多次观测分离局部场/化学位移相关固态幻角旋转核磁共振谱
4. Ultrafast high-resolution spectroscopy of separate NovoFEL pulses [C] . Kubarev V.V. International Conference on Infrared, Millimeter, and Terahertz Waves . 2013

机译：单独的NovoFEL脉冲的超快高分辨率光谱
5. Electron Decoupling with Chirped Microwave Pulses for Magic Angle Spinning Dynamic Nuclear Polarization Nuclear Magnetic Resonance Spectroscopy [D] . Saliba, Edward P. 2019

机译：电子向量与啁啾微波脉冲用于魔法角度旋转动态核偏振核磁共振光谱
6. Multiple Acquisition/Multiple Observation Separated Local Field/Chemical Shift Correlation Solid-state Magic Angle Spinning NMR Spectroscopy [O] . Bibhuti B. Das, Stanley J. Opella -1

机译：多次采集/多次观察分离的局部场/化学位移相关固态幻角自旋核磁共振谱
7. Frequency offset corrected inversion (FOCI) pulses for use in localized spectroscopy [O] . R.J. Ordidge, M. Wylezinska, J.W. Hugg, 1996

机译：用于局部光谱学的频率偏移校正反转（FOCI）脉冲

A 'Magic Sandwich' pulse sequence with reduced offset dependence for high-resolution separated local field spectroscopy

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