Nanomaterials, Free Full-Text
Por um escritor misterioso
Last updated 26 junho 2024
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Prevention of bacterial adhesion is a way to reduce and/or avoid biofilm formation, thus restraining its associated infections. The development of repellent anti-adhesive surfaces, such as superhydrophobic surfaces, can be a strategy to avoid bacterial adhesion. In this study, a polyethylene terephthalate (PET) film was modified by in situ growth of silica nanoparticles (NPs) to create a rough surface. The surface was further modified with fluorinated carbon chains to increase its hydrophobicity. The modified PET surfaces presented a pronounced superhydrophobic character, showing a water contact angle of 156° and a roughness of 104 nm (a considerable increase comparing with the 69° and 4.8 nm obtained for the untreated PET). Scanning Electron Microscopy was used to evaluate the modified surfaces morphology, further confirming its successful modification with nanoparticles. Additionally, a bacterial adhesion assay using an Escherichia coli expressing YadA, an adhesive protein from Yersinia so-called Yersinia adhesin A, was used to assess the anti-adhesive potential of the modified PET. Contrarily to what was expected, adhesion of E. coli YadA was found to increase on the modified PET surfaces, exhibiting a clear preference for the crevices. This study highlights the role of material micro topography as an important attribute when considering bacterial adhesion.
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An ancestral molecular response to nanomaterial particulates
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Nanomaterials, Free Full-Text
Nanomaterials : toxicity, health and environmental issues : Free
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Nanomaterials, Free Full-Text
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PDF] Nanomaterials and nanoparticles: Sources and toxicity
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The translational paradigm of nanobiomaterials: Biological
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International Journal of Smart and Nano Materials
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Nanomaterial-based therapeutics for antibiotic-resistant bacterial
Nanomaterials: A Sojourn : B. Viswanathan : Free Download, Borrow
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Biomedical Applications of Biosynthesized Nickel Oxide Nps
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