Abstract
Terahertz time-domain spectroscopy (THz-TDS) technology has great application prospects for the detection of biological macromolecules, whereas microfluidic technology uses micro-channel networks to manipulate liquids, which can reduce the influence of hydrogen bonds in liquids on THz waves. The combination of these two technologies makes the detection of THz waves in aqueous solutions of biomolecules more accurate and efficient. In this study, microfluidic technology and THz-TDS technology were applied to study the THz transmission characteristics of xanthan gum, providing three feasible methods for the detection of xanthan gum colloids.
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