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- W3120212345 endingPage "117592" @default.
- W3120212345 startingPage "117592" @default.
- W3120212345 abstract "Historical monuments are increasingly being threatened by unexpected microbial colonizers, leading to their subsequent deterioration. Here, two tetraalkylphosphonium polyoxometalate ionic liquids (Q14-IL and Q16-IL) were successfully synthesized, which showed excellent antibacterial activity against four bacteria colonising wall paintings. Notably, Q14-IL exhibited superior antibacterial efficacy compared to longer alkyl Q16-IL. Additionally, polyvinyl alcohol/chitosan (PVA-CS) hydrogels containing two ILs were prepared, and the morphology, thermal stability, swelling ratio and antibacterial activity were systematically evaluated. The results suggest that higher CS content resulted in more uniform micropores and increased the swelling ratio. However, fewer antibacterial ILs were released and diffused over time from the matrix. Hydrogels with 5% CS content exhibited the highest antibacterial activity, which was mainly attributed to the synergetic antibacterial activity of positively charged ammonium (−NH3+) groups of CS and quaternary phosphonium cation of ILs. This study may provide an alternative strategy for fighting against bacterial communities colonising ancient artworks." @default.
- W3120212345 created "2021-01-18" @default.
- W3120212345 creator A5046979557 @default.
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- W3120212345 date "2021-03-01" @default.
- W3120212345 modified "2023-09-26" @default.
- W3120212345 title "Polyoxometalate-Ionic Liquids (ILs) and Polyvinyl Alcohol/Chitosan/ILs Hydrogels for Inhibiting Bacteria Colonising Wall Paintings" @default.
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- W3120212345 doi "https://doi.org/10.1016/j.carbpol.2020.117592" @default.
- W3120212345 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33483078" @default.
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