Collective vibrational modes in biological molecules investigated by terahertz time-domain spectroscopy

Biopolymers ◽  
2002 ◽  
Vol 67 (4-5) ◽  
pp. 310-313 ◽  
Author(s):  
M. Walther ◽  
P. Plochocka ◽  
B. Fischer ◽  
H. Helm ◽  
P. Uhd Jepsen
Keyword(s):  
Time Domain ◽  
Biological Molecules ◽  
Vibrational Modes ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy ◽  
Collective Vibrational Modes

scholarly journals Low-frequency collective vibrational modes of asparagine by terahertz time-domain spectroscopy

2006 ◽  
Vol 55 (8) ◽  
pp. 4091
Author(s):  
Ma Shi-Hua ◽  
Shi Yu-Lei ◽  
Xu Xin-Long ◽  
Yan Wei ◽  
Yang Yu-Ping ◽  
...  
Keyword(s):  
Time Domain ◽  
Low Frequency ◽  
Vibrational Modes ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy ◽  
Collective Vibrational Modes

Characteristic fingerprint spectrum of neurotransmitter norepinephrine with broadband terahertz time-domain spectroscopy

The Analyst ◽  
2019 ◽  
Vol 144 (8) ◽  
pp. 2504-2510 ◽  
Author(s):  
Zhongjie Zhu ◽  
Chao Cheng ◽  
Chao Chang ◽  
Guanhua Ren ◽  
Jianbing Zhang ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Time Domain ◽  
Vibrational Modes ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy ◽  
Thz Absorption ◽  
Broadband Terahertz

A broadband THz absorption spectrum of NE corresponds to specific vibrational modes.

scholarly journals Investigation of the terahertz vibrational modes of ZIF-8 and ZIF-90 with terahertz time-domain spectroscopy

2015 ◽  
Vol 51 (89) ◽  
pp. 16037-16040 ◽  
Author(s):  
Nicholas Y. Tan ◽  
Michael T. Ruggiero ◽  
Claudia Orellana-Tavra ◽  
Tian Tian ◽  
Andrew D. Bond ◽  
...  
Keyword(s):  
Time Domain ◽  
Vibrational Modes ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy ◽  
Gate Opening ◽  
Terahertz Frequencies ◽  
Zeolitic Imidazole Frameworks

We present experimental and computational evidence that gate-opening modes for zeolitic imidazole frameworks can be observed at terahertz frequencies.

scholarly journals Torsional Vibrational Modes of Tryptophan Studied by Terahertz Time-Domain Spectroscopy

2004 ◽  
Vol 86 (3) ◽  
pp. 1649-1654 ◽  
Author(s):  
B. Yu ◽  
F. Zeng ◽  
Y. Yang ◽  
Q. Xing ◽  
A. Chechin ◽  
...  
Keyword(s):  
Time Domain ◽  
Vibrational Modes ◽  
Terahertz Time Domain Spectroscopy ◽  
Time Domain Spectroscopy

Low-frequency dynamics of biological molecules studied by terahertz time-domain spectroscopy

2010 ◽  
Vol 24 (1-2) ◽  
pp. 153-158 ◽  
Author(s):  
Shintaro Kawaguchi ◽  
Ohki Kambara ◽  
Carlito S. Ponseca Jr. ◽  
Mikihiro Shibata ◽  
Hideki Kandori ◽  
...  
Keyword(s):  
Cross Sections ◽  
Time Domain ◽  
Low Frequency ◽  
Globular Proteins ◽  
Biological Molecules ◽  
Short Peptides ◽  
Terahertz Time Domain Spectroscopy ◽  
Frequency Spectra ◽  
Time Domain Spectroscopy ◽  
Universal Feature

By terahertz (THz) time-domain spectroscopy we have measured low-frequency spectra of amino acid (glycine; Gly), short peptides ((Gly)3and (Gly)4), six globular proteins and bacteriorhodopsin (BR). From the analysis of the THz spectra we defined and obtained the reduced absorption cross sections for these cases, which are proportional to the vibrational density of states. We observed anharmonic behaviors in the low-frequency modes of the short peptides. The globular proteins we investigated show a universal feature in the low-frequency spectra. BR shows the dynamical transition in the temperature dependence of the THz spectrum when the sample is hydrated.

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