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Titania nanofibers ...
Titania nanofibers in gypsum composites : an antibacterial and cytotoxicology study
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- Mohl, Melinda (författare)
- Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
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- Aron Dombovari, Aron (författare)
- Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
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- Tuchina, Elena S. (författare)
- Department of Biology, Saratov State University, Saratov, Russia
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- Petrov, Pavel O. (författare)
- Department of Biology, Saratov State University, Saratov, Russia
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- Bibikova, Olga A. (författare)
- Optoelectronics and Measurement Techniques Laboratory, Department of Electrical Engineering, University of Oulu, Finland ; Department of Nonlinear Processes, Saratov State University, Russia
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- Skovorodkin, Ilya (författare)
- Biocenter Oulu, University of Oulu, Finland
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- Popov, Alexey P. (författare)
- Optoelectronics and Measurement Techniques Laboratory, Department of Electrical Engineering, University of Oulu, Finland
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- Rautio, Anne-Riikka (författare)
- Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
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- Sarkar, Anjana (författare)
- Umeå universitet,Kemiska institutionen
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- Mikkola, Jyri-Pekka (författare)
- Umeå universitet,Kemiska institutionen,Laboratory of Industrial Chemistry and Reaction Engineering, Process Chemistry Centre, Åbo Akademi University, Finland
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- Huuhtanen, Mika (författare)
- Mass and Heat Transfer Process Laboratory, Department of Process and Environmental Engineering, University of Oulu, Finland
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- Vainio, Seppo (författare)
- Biocenter Oulu, University of Oulu, Finland
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- Keiski, Riitta L. (författare)
- Mass and Heat Transfer Process Laboratory, Department of Process and Environmental Engineering, University of Oulu, Finland
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- Prilepsky, Arthur (författare)
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia
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- Kukovecz, Akos (författare)
- Department of Applied and Environmental Chemistry, University of Szeged, Hungary ; MTA-SZTE Lendület Porous Nanocomposites Research Group, Szeged, Hungary
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- Konya, Zoltan (författare)
- Department of Applied and Environmental Chemistry, University of Szeged, Hungary ; MTA-SZTE Reaction Kinetics and Surface Chemistry Research Group, Szeged, Hungary
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- Tuchincmn, Valery V. (författare)
- 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
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- Kordas, Krisztian (författare)
- Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, Finland
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(creator_code:org_t)
- Royal Society of Chemistry, 2014
- 2014
- Engelska.
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Ingår i: Journal of Material Chemistry B. - : Royal Society of Chemistry. - 2050-750X .- 2050-7518. ; 2:10, s. 1307-1316
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Biomaterialvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Biomaterials Science (hsv//eng)
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- Av författaren/redakt...
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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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Umeå universitet