Search: id:"swepub:oai:DiVA.org:umu-85426" >
Titania nanofibers ...
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Mohl, MelindaMicroelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
(author)
Titania nanofibers in gypsum composites : an antibacterial and cytotoxicology study
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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Royal Society of Chemistry,2014
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:umu-85426
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-85426URI
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https://doi.org/10.1039/c3tb21644fDOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Further developments of antibacterial coatings based on photocatalytic nanomaterials could be a promising route towards potential environmentally friendly applications in households, public buildings and health care facilities. Hereby we describe a simple chemical approach to synthesize photocatalytic nanomaterial-embedded coatings using gypsum as a binder. Various types of TiO2 nanofiber-based photocatalytic materials (nitrogen-doped and/or palladium nanoparticle decorated) and their composites with gypsum were characterized by means of scanning (SEM) and transmission (TEM) electron microscopy as well as electron and X-ray diffraction (XRD) and energy-dispersive X-ray spectroscopy (EDX) techniques. These gypsum-based composites can be directly applied as commercially available paints on indoor walls. Herein we report that surfaces coated with photocatalytic composites exhibit excellent antimicrobial properties by killing both methicillin-sensitive Staphylococcus aureus (MSSA) and methicillin-resistant Staphylococcus aureus (MRSA) under blue light. In the case of MSSA cells, the palladium nanoparticle-decorated and nitrogen-doped TiO2 composites demonstrated the highest antimicrobial activity. For the MRSA strain even pure gypsum samples were proven to be efficient in eradicating Gram-positive human pathogens. The cytotoxicity of freestanding TiO2 nanofibers was revealed by analyzing the viability of HeLa cells using MTT and fluorescent cell assays.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Aron Dombovari, AronMicroelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
(author)
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Tuchina, Elena S.Department of Biology, Saratov State University, Saratov, Russia
(author)
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Petrov, Pavel O.Department of Biology, Saratov State University, Saratov, Russia
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Bibikova, Olga A.Optoelectronics and Measurement Techniques Laboratory, Department of Electrical Engineering, University of Oulu, Finland ; Department of Nonlinear Processes, Saratov State University, Russia
(author)
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Skovorodkin, IlyaBiocenter Oulu, University of Oulu, Finland
(author)
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Popov, Alexey P.Optoelectronics and Measurement Techniques Laboratory, Department of Electrical Engineering, University of Oulu, Finland
(author)
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Rautio, Anne-RiikkaMicroelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
(author)
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Sarkar, AnjanaUmeå universitet,Kemiska institutionen(Swepub:umu)ansa0184
(author)
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Mikkola, Jyri-PekkaUmeå universitet,Kemiska institutionen,Laboratory of Industrial Chemistry and Reaction Engineering, Process Chemistry Centre, Åbo Akademi University, Finland(Swepub:umu)jymi0001
(author)
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Huuhtanen, MikaMass and Heat Transfer Process Laboratory, Department of Process and Environmental Engineering, University of Oulu, Finland
(author)
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Vainio, SeppoBiocenter Oulu, University of Oulu, Finland
(author)
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Keiski, Riitta L.Mass and Heat Transfer Process Laboratory, Department of Process and Environmental Engineering, University of Oulu, Finland
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Prilepsky, ArthurInstitute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia
(author)
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Kukovecz, AkosDepartment of Applied and Environmental Chemistry, University of Szeged, Hungary ; MTA-SZTE Lendület Porous Nanocomposites Research Group, Szeged, Hungary
(author)
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Konya, ZoltanDepartment of Applied and Environmental Chemistry, University of Szeged, Hungary ; MTA-SZTE Reaction Kinetics and Surface Chemistry Research Group, Szeged, Hungary
(author)
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Tuchincmn, Valery V.Optoelectronics and Measurement Techniques Laboratory, Department of Electrical Engineering, University of Oulu, Finland ; Research-Educational Institute of Optics and Biophotonics, Saratov State University, Russia ; nstitute of Precise Mechanics and Control of Russian Academy of Sciences, Saratov, Russia
(author)
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Kordas, KrisztianMicroelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
(author)
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Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, FinlandDepartment of Biology, Saratov State University, Saratov, Russia
(creator_code:org_t)
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In:Journal of Material Chemistry B: Royal Society of Chemistry2:10, s. 1307-13162050-750X2050-7518
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Mohl, Melinda
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Aron Dombovari, ...
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Tuchina, Elena S ...
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Petrov, Pavel O.
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Bibikova, Olga A ...
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Skovorodkin, Ily ...
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Popov, Alexey P.
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Rautio, Anne-Rii ...
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Sarkar, Anjana
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Mikkola, Jyri-Pe ...
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Huuhtanen, Mika
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Vainio, Seppo
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Keiski, Riitta L ...
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Prilepsky, Arthu ...
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Kukovecz, Akos
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Konya, Zoltan
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Tuchincmn, Valer ...
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Kordas, Krisztia ...
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