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Title: Effect of novel quercetin titanium dioxide-decorated multi-walled carbon nanotubes nanocomposite on Bacillus subtilis biofilm development
Authors: Raie, Diana S.Mhatre, EishaEl-Desouki, Doaa S.Labena, AhmedEl-Ghannam, GamalFarahat, LailaYoussef, TareqFritzsche, WolfgangKovács, Ákos
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Issue Date: 2018
Published in: Materials 11 (2018), Nr. 1
Publisher: Basel : MDPI
Abstract: The present work was targeted to design a surface against cell seeding and adhering of bacteria, Bacillus subtilis. A multi-walled carbon nanotube/titanium dioxide nano-power was produced via simple mixing of carbon nanotube and titanium dioxide nanoparticles during the sol-gel process followed by heat treatment. Successfully, quercetin was immobilized on the nanocomposite via physical adsorption to form a quercetin/multi-walled carbon nanotube/titanium dioxide nanocomposite. The adhesion of bacteria on the coated-slides was verified after 24 h using confocal laser-scanning microscopy. Results indicated that the quercetin/multi-walled carbon nanotube/titanium dioxide nanocomposite had more negativity and higher recovery by glass surfaces than its counterpart. Moreover, coating surfaces with the quercetin-modified nanocomposite lowered both hydrophilicity and surface-attached bacteria compared to surfaces coated with the multi-walled carbon nanotubes/titanium dioxide nanocomposite.
Keywords: titanium oxide nanoparticles; quercetin; multi-walled carbon nanotube; bacterial adhesion; biofilm; hydrophilicity; bacillus subtilis
DDC: 620
License: CC BY 4.0 Unported
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Appears in Collections:Ingenieurwissenschaften

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