Accelerated acquisition in pure-shift spectra based on prior knowledge from 1H NMR

被引:12
作者
Shchukina, Alexandra [1 ]
Kazmierczak, Magdalena [2 ]
Kasprzak, Pawel [1 ,3 ]
Davy, Matthew [4 ]
Akien, Geoffrey R. [5 ]
Butts, Craig P. [4 ]
Kazimierczuk, Krzysztof [1 ]
机构
[1] Univ Warsaw, Ctr New Technol, Banacha 2C, PL-02097 Warsaw, Poland
[2] Warsaw Univ Technol, Fac Chem, Noakowskiego 3, PL-00664 Warsaw, Poland
[3] Univ Warsaw, Fac Phys, Pasteura 5, PL-02093 Warsaw, Poland
[4] Univ Bristol, Sch Chem, Bristol BS8 1TS, Avon, England
[5] Univ Lancaster, Dept Chem, Lancaster LA1 4YB, England
基金
英国工程与自然科学研究理事会;
关键词
NMR-SPECTROSCOPY; RESOLUTION; RECONSTRUCTION; SENSITIVITY; FREQUENCY;
D O I
10.1039/c9cc05222d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Pure-shift NMR enhances spectral resolution, but the optimal resolution can only be obtained at the cost of acquisition time. We propose to accelerate pure-shift acquisition using optimised 'burst' non-uniform sampling schemes [I. E. Ndukwe, A. Shchukina, K. Kazimierczuk and C. P. Butts, Chem. Commun., 2016, 52, 12769] and then reconstruct the undersampled signal mathematically. Here, we focus on the reliability of this reconstruction depending on the sampling scheme and present a workflow for the sampling optimization. It is ready to be implemented in routine measurements and yields a great improvement in reconstruction of challenging cases.
引用
收藏
页码:9563 / 9566
页数:4
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