单扫描快速采样方法及其在NMR中的应用  

Single-Scan Ultrafast Methods and Their Applications in NMR

作　　者：赵明芳[1] 吴灿[1] 林玉兰[1] 蔡淑惠[1] 陈忠[1] 

机构地区：[1]厦门大学物理系福建省等离子体与磁共振研究重点实验室,福建厦门361005

出　　处：《波谱学杂志》2009年第4期541-559,共19页Chinese Journal of Magnetic Resonance

基　　金：国家自然科学基金资助项目(10875101);福建省自然科学基金计划资助项目(2008J0028)

摘　　要：单扫描快速采样方法利用空间编码技术,只需单次扫描就能获得二维及多维核磁共振(NMR)谱数据,极大地缩短了二维和多维核磁共振谱的采样时间,有望在NMR领域得到广泛的应用.该文以离散编码单扫描快速采样方法为例阐明了单扫描快速采样方法的原理,介绍了连续幅度调制、连续相位调制等各种单扫描快速采样新方法及其在NMR领域中的应用,指出了单扫描快速采样方法的局限性,并对其未来发展进行了展望.Single-scan ultrafast method can be used to obtain two-dimensional and multi-dimensional NMR spectra within a single scan via spatially encoding technique, thus greatly shortening the experimental time. It has found wide applications in the NMR field. In this review, the discrete spatially encoding single-scan ultrafast method was taken as an example to elucidate the underlying principles. Some novel single-scan methods such as continuous amplitude-modulated encoding and continuous phase-modulated encoding were discussed. The applications of the single-scan methods were introduced and their limitations were analyzed. The perspective of this technique was briefly discussed.

关 键 词：核磁共振(NMR) 单扫描快速采样 空间编码 

分 类 号：O482.53[理学—固体物理]