ArticleBiomedical optics express2023
Terahertz phase shift sensing and identification of a chiral amino acid based on a protein-modified metasurface through the isoelectric point and peptide bonding.
Article in Biomedical optics express, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Label-free sensing technology of two Staphylococcus species based on a terahertz metasurface.Biomedical optics express · 2025Article
- Metasurface-enhanced biomedical spectroscopy.Nanophotonics (Berlin, Germany) · 2025Review
- Characteristic fingerprint spectrum of α-synuclein mutants on terahertz time-domain spectroscopy.Biophysical journal · 2024Article
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Authors and funding
6 authors.
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Abstract
The efficient sensing of amino acids, especially the distinction of their chiral enantiomers, is important for biological, chemical, and pharmaceutical research. In this work, a THz phase shift sensing method was performed for amino acid detection based on a polarization-dependent electromagnetically induced transparency (EIT) metasurface. More importantly, a method for binding the specific amino acids to the functional proteins modified on the metasurface was developed based on the isoelectric point theory so that the specific recognition for Arginine (Arg) was achieved among the four different amino acids. The results show that via high-
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