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Updated: Jul 14, 2025

Engineering Antiviral Agents via Surface Plasmon Resonance
Published on: June 14, 2022
Analysis of SARS-CoV-2 spike RBD binding to ACE2 and its inhibition by fungal cohaerin C using surface enhanced Raman
Christoph Wetzel1, Linda Jansen-Olliges2, Marc Stadler3,4
1Leibniz University Hannover, Hannover Centre for Optical Technologies, Nienburger Str. 17, 30167 Hannover, Germany.
Abstract:
The structure of the SARS-CoV-2 spike RBD and human ACE2 as well as changes in the structure due to binding activities were analysed using surface enhanced Raman spectroscopy. The inhibitor cohaerin C was applied to inhibit the binding between spike RBD and ACE2. Differences and changes in the Raman spectra were determined using deconvolution of the amide bands and principal component analysis. We thus demonstrate a fast and label-free analysis of the protein structures and the differentiation between bound and unbound states. The approach is suitable for sensing and screening and might be relevant to investigate other protein systems as well.
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