Chemical shift tensor determination using magnetically oriented microcrystal array (MOMA): ~(13)C solid-state CP NMR without MAS

Kusumi R.; Kimura F.; Song G.; Kimura T.

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Chemical shift tensor determination using magnetically oriented microcrystal array (MOMA): ~(13)C solid-state CP NMR without MAS

机译：使用磁取向微晶阵列（MOMA）的化学位移张量测定：〜（13）C固态CP NMR，无需MAS

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Chemical shift tensors for the carboxyl and methyl carbons of l-alanine crystals were determined using a magnetically oriented microcrystal array (MOMA) prepared from a microcrystalline powder sample of l-alanine. A MOMA is a single-crystal-like composite in which microcrystals are aligned three-dimensionally in a matrix resin. The single-crystal rotation method was applied to the MOMA to determine the principal values and axes of the chemical shift tensors. The result showed good agreement with the literature data for the single crystal of l-alanine. This demonstrates that the present technique is a powerful tool for determining the chemical shift tensor of a crystal from a microcrystal powder sample.

机译：使用由I-丙氨酸的微晶粉末样品制备的磁取向微晶阵列（MOMA），确定I-丙氨酸晶体的羧基和甲基碳的化学位移张量。 MOMA是单晶状复合材料，其中微晶在基质树脂中三维排列。将单晶旋转方法应用于MOMA，以确定化学位移张量的主值和轴。结果表明与1-丙氨酸单晶的文献数据吻合良好。这表明本技术是用于确定来自微晶粉末样品的晶体的化学位移张量的有力工具。

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《Journal of magnetic resonance》 |2012年第null期|共5页
作者
Kusumi R.; Kimura F.; Song G.; Kimura T.;
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原文格式 PDF
正文语种 eng
中图分类 O82.532;
关键词
Chemical shift tensor; Magnetic alignment; Solid state NMR;

机译：化学位移张量磁性取向固相核磁共振;

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1. Chemical shift tensor determination using magnetically oriented microcrystal array (MOMA): ~(13)C solid-state CP NMR without MAS [J] . Kusumi R., Kimura F., Song G., Journal of magnetic resonance . 2012,第Null期

机译：使用磁取向微晶阵列（MOMA）的化学位移张量测定：〜（13）C固态CP NMR，无需MAS
2. Determination of P-31 Chemical Shift Tensor from Microcrystalline Powder by Using a Magnetically Oriented Microcrystal Array [J] . Kusumi Ryosuke, Kimura Fumiko, Kimura Tsunehisa Crystal growth & design . 2015,第2期

机译：磁取向微晶阵列测定微晶粉末中P-31化学位移张量
3. Determination of the Peptide Torsion Angle φ by ~(15)N Chemical Shift and ~(13)C~α-~1H~α Dipolar Tensor Correlation in Solid-State MAS NMR [J] . M. Hong, J. D. Gross, W. Hu, Journal of magnetic resonance . 1998,第1期

机译：固态MAS NMR中〜（15）N化学位移和〜（13）C〜α-〜1H〜α偶极张量相关性确定肽扭转角
4. Solid-state 13C NMR chemical shift anisotropy tensors of polypeptides [C] . Yufeng WEI Beijing conference and exhibition on instrumental analysis;BCEIA . 2001

机译：多肽的固态13C NMR化学位移各向异性张量
5. Solid-state magic-angle spinning NMR methods for tensor measurements and protein structure refinement using chemical shift tensors. [D] . Wylie, Benjamin. 2008

机译：固态幻角旋转NMR方法用于张量测量和使用化学位移张量的蛋白质结构优化。
6. Accurate Measurement of Methyl 13C Chemical Shifts by Solid-State NMR for the Determination of Protein Sidechain Conformation: the Influenza A M2 Transmembrane Peptide as an Example [O] . Mei Hong, Tatiana V. Mishanina, Sarah D. Cady -1

机译：甲基13C化学的精确测量档通过固态NmR的蛋白质构象侧链的测定：甲型流感m2跨膜肽作为实施例
7. The Ab Initio Calculation of the Chemical Shift Tensor and its Application for the Structure Determination in Ordered and Disordered Phases by Means of Solid-State Nuclear Magnetic Resonance [O] . Sehnert Jan 2007

机译：化学位移张量的从头算计算及其在固态核磁共振中确定有序和无序相的结构中的应用

Chemical shift tensor determination using magnetically oriented microcrystal array (MOMA): ~(13)C solid-state CP NMR without MAS

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