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Article Dans Une Revue Talanta Année : 2023

Evaluation of the interaction between SARS-CoV-2 spike glycoproteins and the molecularly imprinted polypyrrole

Résumé

The SARS-CoV-2 spike glycoprotein (SARS-CoV-2-S) was used as the template molecule and polypyrrole (Ppy) was applied as the electro-generated conducting polymer, which was acting as a matrix for the formation of molecular imprints. Two types of Ppy-layers: molecularly imprinted polypyrrole (MIP-Ppy) and non-imprinted polypyrrole (NIP-Ppy) were electrochemically deposited on the working platinum electrode. The performance of electrodes modified by MIP-Ppy and NIP-Ppy layers was evaluated by pulsed amperometric detection (PAD). During PAD experiments through MIP-Ppy and NIP-Ppy layers passed charge was calculated using the integrated Cottrell equation (Anson plot). The interaction between SARS-CoV-2 spike glycoproteins and molecularly imprinted polypyrrole (MIP-Ppy) was assessed by the Anson plot-based calculations. This assessment reveals that SARS-CoV-2-S glycoproteins are interacting with MIP-Ppy more strongly than with NIP-Ppy.
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Dates et versions

hal-03851760 , version 1 (14-11-2022)

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Vilma Ratautaite, Raimonda Boguzaite, Ernestas Brazys, Deivis Plausinaitis, Simonas Ramanavicius, et al.. Evaluation of the interaction between SARS-CoV-2 spike glycoproteins and the molecularly imprinted polypyrrole. Talanta, 2023, 253, pp.123981. ⟨10.1016/j.talanta.2022.123981⟩. ⟨hal-03851760⟩
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