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Dual-Selective Terahertz-Nanodisc Metasurfaces for Exploring Neurotransmitter Dynamics beyond Spectral Limitations.
Taeyeon Kim1,2, Yeon Kyung Lee2,3, Yeeun Roh2,4
1KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Republic of Korea.
Advanced Materials (Deerfield Beach, Fla.)
|June 25, 2025
Summary
Researchers developed a novel terahertz metasurface biosensor for precise neurotransmitter monitoring. This nanotechnology enhances sensitivity and selectivity for complex biochemical analysis in biomimetic environments.
Area of Science:
- Biophysics
- Nanotechnology
- Spectroscopy
Background:
- Advancements in nanotechnology and spectroscopy drive biosensor development.
- Nanoscale metasurfaces offer improved sensitivity and selectivity over conventional optical methods.
- Terahertz metasurfaces show promise for analyzing subtle biochemical changes.
Purpose of the Study:
- To develop a dual-selective terahertz nanodisc metasurface biosensor.
- To enable precise monitoring of neurotransmitter dynamics in a biomimetic environment.
- To enhance sensitivity and specificity for biochemical interaction analysis.
Main Methods:
- Functionalization of terahertz metasurfaces with nanodiscs mimicking biosensory receptors.
- Development of a biosensor selective for molecular type and resonant frequency.
- Recognition of intermolecular changes and aqueous surrounding effects for sensing.
Main Results:
- A dual-selective terahertz nanodisc metasurface biosensor was successfully developed.
- The biosensor demonstrated enhanced sensitivity and specificity for serotonin-nanodisc binding.
- The platform effectively recognized biochemical changes in a biomimetic environment.
Conclusions:
- The proposed terahertz metasurface biosensor is an efficient tool for studying complex biochemical interactions.
- This technology has potential applications in biomedical diagnostics and neuroscience research.
- Nanodisc metasurfaces offer a promising platform for advanced biosensing.
