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学科主题: 分析化学
题名: Chiral recognition of borneol by association with ainc (II) and L-tryptophan in the gas phase
其他题名: 锌(II)辅助L-色氨酸对龙脑的气相手性识别
作者: Lu HJ(陆豪杰) ; Guo YL(郭寅龙)
通讯作者: 郭寅龙
刊名: Anal. Chim. Acta
发表日期: 2003-01-01
卷: 482, 期:1, 页:1-7
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所分析化学实验室
英文摘要: Chiral recognition of the racemic bomeol was obtained in the gas phase by using electrospray ionization time-of-fiight mass specuometry (ESI-TOFMS) and electrospray ionization Fourier transform ion cyclotron resonance (ESI-FfMS). Both single stage MS and tandem MS were employed for investigating the chiral recognition depending suongly on the stereochemisuy of the ligands in the zinc(II)-L-uyptophan-bomeol multimeric cluster ions. It was found that the type of acid which was used for adjusting the Ph of the mixed solution played an important role in the chiral recognition, which was obtained when acetic acid or propanoic acid was used as an additive. No chiral recognition was observed using hydrochloric acid or formic acid. Furthermore, the nozzle potential was an impoHant parameter for optimizing the discrimination of chirality. In tandem MS, the difference in intensity between two diastereomeric complex ions showed chiral recognition behavior. Such a diHerence could be determined by two approaches. One was using the fragment ion as an intemal standard, the other was a new approach of using the isotopic form of parent complex ion as an intemal standard. @ 2003 Elsevier Science B.V. AII rights reserved.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/19834
Appears in Collections:分析化学研究室_期刊论文

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Recommended Citation:
Lu HJ,Guo YL. Chiral recognition of borneol by association with ainc (II) and L-tryptophan in the gas phase[J]. Anal. Chim. Acta,2003,482(1):1-7.
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