不均匀场下空间编码超快速高分辨NMR研究进展
二维核磁共振（2DNMR）的提出和发展，为NMR技术的研究和应用提供了广阔的空间．然而当样品或磁场本身不均匀时，高分辨的2DNMR谱难以获得．此外，常规2DNMR实验通常需要长的采样时间．空间编码超快速采样方法利用空间编码技术，只需单次扫描即可获得2D甚至多维NMR谱，极大地缩短了采样时间．目前相位补偿、相干转移和分子间多量子相干等技术与空间编码技术相结合，已成功实现不均匀场下超快速获得高分辨NMR谱．该文对不均匀场下空间编码超快速NMR方法进行了介绍，对其未来发展进行了展望．...
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| Published in | 波谱学杂志 Vol. 30; no. 3; pp. 430 - 446 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
厦门大学电子科学系,福建省等离子体与磁共振研究重点实验室,福建厦门361005
2013
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-4556 |
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| Abstract | 二维核磁共振（2DNMR）的提出和发展，为NMR技术的研究和应用提供了广阔的空间．然而当样品或磁场本身不均匀时，高分辨的2DNMR谱难以获得．此外，常规2DNMR实验通常需要长的采样时间．空间编码超快速采样方法利用空间编码技术，只需单次扫描即可获得2D甚至多维NMR谱，极大地缩短了采样时间．目前相位补偿、相干转移和分子间多量子相干等技术与空间编码技术相结合，已成功实现不均匀场下超快速获得高分辨NMR谱．该文对不均匀场下空间编码超快速NMR方法进行了介绍，对其未来发展进行了展望． |
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| AbstractList | 二维核磁共振（2DNMR）的提出和发展，为NMR技术的研究和应用提供了广阔的空间．然而当样品或磁场本身不均匀时，高分辨的2DNMR谱难以获得．此外，常规2DNMR实验通常需要长的采样时间．空间编码超快速采样方法利用空间编码技术，只需单次扫描即可获得2D甚至多维NMR谱，极大地缩短了采样时间．目前相位补偿、相干转移和分子间多量子相干等技术与空间编码技术相结合，已成功实现不均匀场下超快速获得高分辨NMR谱．该文对不均匀场下空间编码超快速NMR方法进行了介绍，对其未来发展进行了展望． O482.53; 二维核磁共振(2D NMR)的提出和发展,为NMR技术的研究和应用提供了广阔的空间.然而当样品或磁场本身不均匀时,高分辨的2D NMR谱难以获得.此外,常规2D NMR实验通常需要长的采样时间.空间编码超快速采样方法利用空间编码技术,只需单次扫描即可获得2D甚至多维NMR谱,极大地缩短了采样时间.目前相位补偿、相干转移和分子间多量子相干等技术与空间编码技术相结合,已成功实现不均匀场下超快速获得高分辨NMR谱.该文对不均匀场下空间编码超快速NMR方法进行了介绍,对其未来发展进行了展望. |
| Author | 吴瑞 张志勇 陈浩 蔡淑惠 陈忠 |
| AuthorAffiliation | 厦门大学电子科学系,福建省等离子体与磁共振研究重点实验室,福建厦门361005 |
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| Author_FL | ZHANG Zhi-yong CHEN Hao WU Rui CAI Shu-hui CHEN Zhong |
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| ClassificationCodes | O482.53 |
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| DocumentTitleAlternate | Progress of Ultrafast Spatially Encoded High-Resolution Nuclear Magnetic Resonance Spectroscopy in Inhomogeneous Fields |
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| EndPage | 446 |
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| Keywords | inhomogeneous magnetic field 高分辨 spatial encoding 核磁共振(NMR) 空间编码 不均匀磁场 nuclear magnetic resonance high resolution |
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| Notes | The proposal and development of two-dimensional nuclear magnetic resonance （2D NMR） provide a broad space for the research and application of NMR. In many cases, however, high-resolution 2D spectra are virtually impossible to obtain because of the inherent heterogeneity of the samples under investigation, as well as the poor homogeneity of the magnetic fields. It is also time-consuming to obtain a conventional 2D NMR spectrum. The ultrafast spatial encoding technique enables acquisition of a 2D or multi-dimensional NMR spectrum within a single-scan, with greatly shortened acquisition time. Schemes based on phase compensation, coherence transfer and intermolecular multiple-quantum coherence in combination with spatial encoding technique have been proposed to ultrafast obtain high-resolution NMR spectra in inhomogeneous fields. In this review, ultrafast high-resolution NMR techniques were introduced and the perspective of these techniques was discussed. nuclear magnetic resonance, spatial encoding, high resoluti |
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| PublicationTitle | 波谱学杂志 |
| PublicationTitleAlternate | Chinese Journal of Magnetic Resonance |
| PublicationTitle_FL | Chinese Journal of Magnetic Resonance |
| PublicationYear | 2013 |
| Publisher | 厦门大学电子科学系,福建省等离子体与磁共振研究重点实验室,福建厦门361005 |
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| Snippet | 二维核磁共振（2DNMR）的提出和发展，为NMR技术的研究和应用提供了广阔的空间．然而当样品或磁场本身不均匀时，高分辨的2DNMR谱难以获得．此外，常规2DNMR实验通常需要长... O482.53; 二维核磁共振(2D NMR)的提出和发展,为NMR技术的研究和应用提供了广阔的空间.然而当样品或磁场本身不均匀时,高分辨的2D NMR谱难以获得.此外,常规2D NMR实验通常需... |
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| SubjectTerms | 不均匀磁场 核磁共振（NMR） 空间编码 高分辨 |
| Title | 不均匀场下空间编码超快速高分辨NMR研究进展 |
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