Improved one-dimensional NMR detection of heteronuclear multiple quantum coherence involving the insensitive nucleus Se-77 as demonstrated by the compound C28H28O4Se4W2
文献类型：期刊论文
| 作者 | Du, F; Liu, ML; Miao, XJ; Mao, XA; Song, LC |
| 刊名 | MEASUREMENT SCIENCE & TECHNOLOGY
 |
| 出版日期 | 1999-03-01 |
| 卷号 | 10期号:3页码:170-173 |
| 关键词 | NMR heteronuclear multiple quantum coherence (HMQC) spectroscopy one-dimensional detection chemical shift modulation signal-to-noise (S/N) improvement |
| 英文摘要 | When insensitive spins are detected by one-dimensional (1D) heteronuclear multiple quantum coherence (HMQC) spectroscopy, chemical shift modulation can easily reduce the signal intensity, leading to a poor signal-to-noise ratio (S/N) or sometimes vanishing signals. In this paper it is suggested that the 1D HMQC pulse sequence be modified by inserting a refocusing pi pulse in the multiple quantum evolution period. In this way optimal conditions for a good S/N can be easily achieved. The improved method is demonstrated by H-1/{Se-77} indirect detection using a newly synthesized compound C28H28O4Se4W2 that contains the structure of W-2-Se-CH2C6H5. |
| WOS标题词 | Science & Technology ; Technology |
| 类目[WOS] | Engineering, Multidisciplinary ; Instruments & Instrumentation |
| 研究领域[WOS] | Engineering ; Instruments & Instrumentation |
| 关键词[WOS] | 1D ; SPECTROSCOPY ; COUPLINGS ; SPECTRA ; PROTON |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000079064900010 |
| 公开日期 | 2015-12-01 |
| 源URL | [http://ir.wipm.ac.cn/handle/112942/8419]  |
| 专题 | 武汉物理与数学研究所_2011年以前论文发表（包括2011年） |
| 作者单位 | 1.Chinese Acad Sci, Wuhan Inst Phys & Math, Lab Magnet Resonance & Atom Mol Phys, Wuhan 430071, Peoples R China 2.Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Du, F,Liu, ML,Miao, XJ,et al. Improved one-dimensional NMR detection of heteronuclear multiple quantum coherence involving the insensitive nucleus Se-77 as demonstrated by the compound C28H28O4Se4W2[J]. MEASUREMENT SCIENCE & TECHNOLOGY,1999,10(3):170-173. |
| APA | Du, F,Liu, ML,Miao, XJ,Mao, XA,&Song, LC.(1999).Improved one-dimensional NMR detection of heteronuclear multiple quantum coherence involving the insensitive nucleus Se-77 as demonstrated by the compound C28H28O4Se4W2.MEASUREMENT SCIENCE & TECHNOLOGY,10(3),170-173. |
| MLA | Du, F,et al."Improved one-dimensional NMR detection of heteronuclear multiple quantum coherence involving the insensitive nucleus Se-77 as demonstrated by the compound C28H28O4Se4W2".MEASUREMENT SCIENCE & TECHNOLOGY 10.3(1999):170-173. |
入库方式： OAI收割
来源：武汉物理与数学研究所
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