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Proceedings Paper

Torsional vibrational spectra of histidine in THz range
Author(s): Weining Wang; Weiwei Yue; Yuanbo Li; Haitao Yan
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Paper Abstract

This paper reports the theoretical and experimental vibrational spectra of the histidine in the frequency range between 0~ 10.0 and 0.2~2.8 THz (FIR) respectively. Seven absorption peaks have been calculated out by using the semi-empirical theory and PM3 algorithm. The characteristic absorption peaks are attributed to torsional vibration modes of the molecule based on the semi-empirical theory. Three experimental peaks obtained from terahertz time-domain spectroscopy (THz-TDS) are comparable with the first three calculated peaks and these results mutually validated both approaches, although other four theoretical peaks between 2.8~10.0 THz remain to be tested in future.

Paper Details

Date Published: 27 October 2006
PDF: 6 pages
Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 604730 (27 October 2006); doi: 10.1117/12.710684
Show Author Affiliations
Weining Wang, Capital Normal Univ. (China)
Weiwei Yue, Capital Normal Univ. (China)
Yuanbo Li, Capital Normal Univ. (China)
Haitao Yan, Capital Normal Univ. (China)


Published in SPIE Proceedings Vol. 6047:
Fourth International Conference on Photonics and Imaging in Biology and Medicine
Kexin Xu; Qingming Luo; Da Xing; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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