Characterization of cocrystals formed by grinding amino acids through terahertz time-domain spectroscopy

被引：0
|
作者：
Xiaoyan Zhao [1 ]
Haixia Su [1 ]
Zhaohui Zhang [1 ]
Zhi Li [1 ]
Han Zhang [1 ]
Tianyao Zhang [1 ]
机构：
[1] Department of Instrumentation Science, School of Automation and Electrical Engineering, University of Science and Technology Beijing
来源：
ChineseScienceBulletin | 2014年 / 59卷 / 24期
基金：
中国国家自然科学基金; 中央高校基本科研业务费专项资金资助;
关键词：
Terahertz time-domain spectroscopy(THz-TDS) Amino acid Ground mixture Cocrystals Extra absorption peak;
D O I：
暂无
中图分类号：
O629.7 [α-氨基酸、肽类、蛋白质、核酸];
学科分类号：
摘要：
In this paper,we used terahertz time-domain spectroscopy(THz-TDS)over a range of 0.3–2.5 THz to investigate the formation of solid-state cocrystals of amino acids,formed by grinding mixtures of two different kinds of amino acids.For comparison,we prepared dual-layer samples,combined by pressing two single-component pellets together without grinding.In the ground-mixture samples,some extra absorption peaks appeared,different from the characteristic peaks of the pure components,but these peaks did not appear in the dual-layer samples.Thus,these extra absorption peaks in the THz range are unique features of cocrystals.From our results,we believe that THz-TDS is a promising technique to characterize cocrystals.
引用
收藏
页码：2987 / 2993
页数：7
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