The low protein concentration study in an extended THz frequency range

被引：0
|
作者：
Cherkasova, O. P. [1 ,2 ]
Nazarov, M. M. [3 ]
Solyankin, P. M. [4 ]
Shkurinov, A. P. [4 ,5 ]
机构：
[1] RAS, Inst Laser Phys, SB, Novosibirsk 630090, Russia
[2] Novosibirsk State Tech Univ, Novosibirsk 630073, Russia
[3] Natl Res Ctr Kurchatov Inst, Moscow 123182, Russia
[4] RAS, Branch FSRC Crystallog & Photon, Inst Laser & Informat Technol, Shatura 140700, Moscow Region, Russia
[5] Lomonosov Moscow State Univ, Moscow 119991, Russia
来源：
2018 43RD INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2018年
基金：
俄罗斯基础研究基金会;
关键词：
TIME-DOMAIN SPECTROSCOPY; ALBUMIN; WATER;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
To reliably measure protein solutions spectra at low concentrations we optimized dynamic range of two time-domain spectrometers to low and to high frequencies. The transmission and the attenuated total internal reflection geometries data have been combined for precise analyzing of bovine serum albumin (BSA) aqueous solutions spectra at 0.05-3.2 THz. We compare BSA response in three spectral subregions, around 0.1, 1 and 3 THz, and confirmed that slow relaxation is the only process sensitive to biomolecules concentration in water.
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页数：2
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