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Broadband time-domain spectroscopy was used to measure the terahertz frequency absorption of protein single crystals in order to study global protein dynamics. Temperature dependent dynamics were measured for lysozyme, and the terahertz frequency spectrum of mouse urinary protein was compared to calculated spectra.
Broadband time-domain spectroscopy has been used to measure the terahertz frequency absorption of single crystal proteins. A dehydration study of tetragonal hen egg-white lysozyme is presented as a proof of concept.
We review recent experiments on the use of terahertz frequency time-domain spectroscopy to sense materials of security relevance. We also explore developments in the use of terahertz quantum cascade lasers to discriminate such materials, and new THz sources that can potentially exploit convenient communication wavelength excitation lasers.
In this study, experiments have been performed for water vapour absorption into 50 and 60 mass% aqueous lithium bromide solution films flowing down a vertical surface to investigate the effects of liquid diffusivity values, molecular properties of the concentrated solutions and non-absorbable gases. The experimental results for wavy films over a film Reynolds number range of 15-90 indicate larger...
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