Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 17, Number 1, 2021
|
|
---|---|---|
Article Number | 17 | |
Number of page(s) | 7 | |
DOI | https://doi.org/10.1186/s41476-021-00162-x | |
Published online | 11 August 2021 |
Research
Terahertz absorption characteristics of guar gum determined via microfluidic technology
1
Department of Physics, Capital Normal University, 100048, Beijing, China
2
Key Laboratory of Terahertz Optoelectronics, Ministry of Education, 100048, Beijing, China
3
Beijing Key Laboratory of Terahertz Spectroscopy and Imaging, 100048, Beijing, China
4
Beijing Advanced Innovation Center for Imaging Theory and Technology, 100048, Beijing, China
Received:
8
March
2021
Accepted:
7
July
2021
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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