Antibiofilm effect of supramolecularly templated mesoporous silica coatings

Bacteria attached to solid surfaces and encased in a self-synthesized matrix, so-called biofilms, are highly difficult to eradicate and present negative impact on industry and human health. The ability of supramolecularly templated mesoporous silica coatings to inhibit biofilm formation in Pseudomon...

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Bibliographic Details
Published in:Materials Science & Engineering C 2017-08, Vol.77, p.1044-1049
Main Authors: Pezzoni, Magdalena, Catalano, Paolo N., Pizarro, Ramón A., Desimone, Martín F., Soler-Illia, Galo J.A.A., Bellino, Martín G., Costa, Cristina S.
Format: Article
Language:English
Subjects:
Anti-Bacterial Agents - pharmacology
Antibacterial
Bacteria
Biofilms
Casing (process)
Coating effects
Coatings
Human performance
Low cost
Materials science
Mesoporous thin film
Pore size
Porosity
Pseudomonas
Pseudomonas aeruginosa
Silica
Silicon dioxide
Silicon Dioxide - pharmacology
Solid surfaces
Transparent coating
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Summary:Bacteria attached to solid surfaces and encased in a self-synthesized matrix, so-called biofilms, are highly difficult to eradicate and present negative impact on industry and human health. The ability of supramolecularly templated mesoporous silica coatings to inhibit biofilm formation in Pseudomonas aeruginosa is shown here. Assays employing submerged and air-liquid interface biofilms demonstrated that mesoporous coatings with tuned pore size significantly reduce the number of attached bacteria and matrix production. Given its versatility, scalability, robustness and low cost, our proposal is attractive for the production of transparent, inert and permanent antibiofilm coatings that could be applied on multiple surfaces. [Display omitted] •Supramolecularly templated mesoporous silica coatings inhibit biofilm formation.•Mesoporous coatings reduce the number of attached bacteria and matrix production.•MOTFs offer simplicity, low cost, flexibility, scalability and robustness.•MOTFs can be used as transparent, inert and permanent antibiofilm coatings.
ISSN:0928-4931
1873-0191
DOI:10.1016/j.msec.2017.04.022