中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Degree of supersaturation-regulated chiral symmetry breaking in one crystal

文献类型:期刊论文

作者Liu, Meirong; Qiu, Changgui; Guo, Zhenpeng; Qi, Li; Xie, Mingyi; Chen, Yi
刊名JOURNAL OF PHYSICAL CHEMISTRY B
出版日期2007-10-04
卷号111期号:39页码:11346-11349
ISSN号1520-6106
DOI10.1021/jp075238p
英文摘要This paper aimed at studying chiral symmetry-breaking phenomena in one crystal. Preferential crystallization of racemic asparagines was carried out in nonseeded stagnant solutions through slow cooling. By varying the supersaturation, only one transparent crystal could be obtained at enough low supersaturation of DL-asparagine, and the crystal was not pure enantiomer with crystal enantiomeric excess increasing inversely with the degree of supersaturation. Crystal enantiomeric excess can amount up to 85% in one transparent crystal. Because no secondary nucleation occurred except for stochastic primary nucleation, we suggest that primary nucleation and competition between L- and D-nuclei were considered to be a mechanism for asymmetry amplification. High-performance capillary electrophoresis coupled with laser-induced fluorescence was used to separate and quantify L- and D-asparagine and the enantiomeric excess value can be calculated according to their concentration.
语种英语
WOS记录号WOS:000249838600003
出版者AMER CHEMICAL SOC
源URL[http://ir.iccas.ac.cn/handle/121111/62911]  
专题中国科学院化学研究所
通讯作者Chen, Yi
作者单位1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Lab Analyt Chem & Life Sci, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714
Liu, Meirong,Qiu, Changgui,Guo, Zhenpeng,et al. Degree of supersaturation-regulated chiral symmetry breaking in one crystal[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2007,111(39):11346-11349.
APA Liu, Meirong,Qiu, Changgui,Guo, Zhenpeng,Qi, Li,Xie, Mingyi,&Chen, Yi.(2007).Degree of supersaturation-regulated chiral symmetry breaking in one crystal.JOURNAL OF PHYSICAL CHEMISTRY B,111(39),11346-11349.
MLA Liu, Meirong,et al."Degree of supersaturation-regulated chiral symmetry breaking in one crystal".JOURNAL OF PHYSICAL CHEMISTRY B 111.39(2007):11346-11349.

入库方式: OAI收割

来源:化学研究所

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