THz time-domain spectroscopy of amino acids

被引：30
|
作者：
Wang, WN [1 ]
Yue, WM [1 ]
Yan, HT [1 ]
Zhang, CL [1 ]
Zhao, GZ [1 ]
机构：
[1] Capital Normal Univ, Dept Phys, Beijing 100037, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2005年 / 50卷 / 15期
关键词：
Terahertz time-domain spectroscopy; amino acid; fingerprint; optical parameter;
D O I：
10.1360/982005-7
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The optical characteristics of four kinds of amino acids (tyrosine, arginine, histidine and glutamine) filled with nitrogen at room temperature were studied by THz time-domain spectroscopy (THz-TDS). Well-resolved absorption and refractive spectrums between 0.1 and 2.8 THz were obtained based on the physical model for extracting the optical parameters of materials in THz range. The results not only rill up the spectra gap of amino acids in far-infrared range, supply data for amino acid molecular identification and conformation analysis, but also demonstrate significantly potential to promote the research and application of biological materials in bio-chemical and medical fields by THz-TDS.
引用
收藏
页码：1561 / 1565
页数：5
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