J. Eur. Opt. Soc.-Rapid Publ.
Volume 17, Number 1, 2021
Number of page(s)|
11 August 2021|
Terahertz absorption characteristics of guar gum determined via microfluidic technology
Department of Physics, Capital Normal University, 100048, Beijing, China
Key Laboratory of Terahertz Optoelectronics, Ministry of Education, 100048, Beijing, China
Beijing Key Laboratory of Terahertz Spectroscopy and Imaging, 100048, Beijing, China
Beijing Advanced Innovation Center for Imaging Theory and Technology, 100048, Beijing, China
The vibrational energy levels of many biomolecules correspond to the terahertz band; thus, terahertz technology can be used to identify these substances. Moreover, as the biological activity of most biomolecules can be observed only in aqueous solution, the characteristics of such biomolecules must be studied in aqueous solution. In this study, a simple microfluidic chip, a temperature control device and a strong electric field device were designed to study the terahertz absorption characteristics of guar gum for different temperatures, concentrations and electric field exposure durations, thus enabling the use of terahertz technology to analyse the characteristics of guar gum.
Key words: Terahertz / Guar gum / Microfluidic chip / Temperature / Concentration / Electric field
© The Author(s) 2021
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