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Silica sol assisted chromatographic NMR spectroscopy for resolution of trans- and cis-isomers
Yang, Ying1; Wu, Rui2; Huang, Shaohua1; Bai, Zhengwu2
2016-04-01
发表期刊JOURNAL OF MAGNETIC RESONANCE
卷号265页码:210-214
摘要Chromatographic NMR spectroscopy can separate the mixtures of species with significantly different molecular size, but generally fails for isomeric species. Herein, we reported the resolution of trans and cis-isomers and their structural analogue, which are different in molecular shapes, but similar in mass, were greatly enhanced in the presence of silica sol. The mixtures of maleic acid, fumaric acid and succinic acid, and the mixtures of trans- and cis-1,2-cyclohexanedicarboxylic acids, were distinguished by virtue of their different degrees of interaction with silica sol. Moreover, we found mixed solvents could improve the spectral resolution of DOSY spectra of mixtures. (C) 2016 Elsevier Inc. All rights reserved.
文章类型Article
关键词Chromatographic Nmr Spectroscopy Dosy Silica Sol Resolution Isomer
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences ; Technology
DOI10.1016/j.jmr.2016.02.013
关键词[WOS]DIFFUSION-ORDERED SPECTROSCOPY ; NUCLEAR-MAGNETIC-RESONANCE ; FIELD GRADIENT NMR ; LIQUID-CHROMATOGRAPHY ; ORGANIC-SOLVENT ; SMALL MOLECULES ; 3D DOSY ; MIXTURES ; MICELLES ; MATRIX
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Physics ; Spectroscopy
项目资助者National Natural Science Foundation of China(21105108)
WOS类目Biochemical Research Methods ; Physics, Atomic, Molecular & Chemical ; Spectroscopy
WOS记录号WOS:000374513600026
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文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/8292
专题公共实验室
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Shandong Prov Key Lab Synthet Biol, 189 Songling Rd, Qingdao 266101, Peoples R China
2.Wuhan Inst Technol, Sch Chem & Environm Engn, 693 Xiongchu Ave, Wuhan 430073, Peoples R China
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Yang, Ying,Wu, Rui,Huang, Shaohua,et al. Silica sol assisted chromatographic NMR spectroscopy for resolution of trans- and cis-isomers[J]. JOURNAL OF MAGNETIC RESONANCE,2016,265:210-214.
APA Yang, Ying,Wu, Rui,Huang, Shaohua,&Bai, Zhengwu.(2016).Silica sol assisted chromatographic NMR spectroscopy for resolution of trans- and cis-isomers.JOURNAL OF MAGNETIC RESONANCE,265,210-214.
MLA Yang, Ying,et al."Silica sol assisted chromatographic NMR spectroscopy for resolution of trans- and cis-isomers".JOURNAL OF MAGNETIC RESONANCE 265(2016):210-214.
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