Complexes of an Anionic Surfactant with Chitosan and Its Hydrophobic Derivatives As Disinfectants Against SARS-CoV-2
Vysokomolekulârnye soedineniâ Seriâ A, Fizika polimerov/Vysokomolekulârnye soedineniâ Seriâ A(2023)
摘要
This work is aimed at the preparation of complexes of chitosan and hydrophobically modified (HM) chitosan with an anionic surfactant sodium dodecylbenzene sulfonate (SDBS), and at the study of the virucidal activity of the complexes and their components against SARS-CoV-2. It is shown that the introduction of a sufficient amount (4 mol%) of hydrophobic n-dodecyl side groups provides the activity of HM chitosan against SARS-CoV-2 at moderate concentrations, at which unmodified chitosan and chitosan containing a lower amount of hydrophobic groups do not show any activity. Complexes of HM chitosan with SDBS are prepared, which is proven by fluorescence spectroscopy and isothermal titration calorimetry. It is discovered that HM chitosan/SDBS complex is more active than the polymer without surfactant, and an increase of the amount of hydrophobic groups enhances the activity
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关键词
anionic disinfectants,SARS-CoV-2,chitosan,hydrophobic modification,polymer/surfactant complexes
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