Toxicological Issues of Nanoparticles Employed in Photocatalysis

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Wagner, Stefanie; Bloh, Jonathan; Kasper, Cornelia; Bahnemann, Detlef W.: Toxicological Issues of Nanoparticles Employed in Photocatalysis. In: Green 1 (2011), Nr. 2, S. 171-188. DOI: http://dx.doi.org/10.1515/green.2011.013

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Sum total of downloads: 381




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Abstract: 
A huge amount of different nanomaterials is nowadays on the market used for various specific applications. Some nanomaterials such as TiO2, ZnO as well as several other semiconductors exhibit photocatalytic activity. Hence these materials are used for many applications, e.g., for self-cleaning and antibacterial coatings on different surfaces and for the purification of wastewater where the cleaning can be induced by simple exposure to sunlight. Because of the frequent use of these nanoparticles it is important to investigate the life cycles of these nanostructured materials as well as their environmental impact and their toxicity to animals and humans. This review first gives a short overview about nanotechnology and nanotechnological products as well as about photocatalysis and semiconductors used in this field. We then discuss the need for a new technology named nanotoxicology and the problems occurring when investigating the toxic potential of nanomaterials as well as the life cycle of nanomaterials. Furthermore, we focus on the environmental impact of TiO2 and ZnO nanoparticles including toxic effects to bacteria, water organisms and plants as well as their toxic effects to humans including in vitro and in vivo studies.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2011-04-13
Appears in Collections:Naturwissenschaftliche Fakultät

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downloads by country:

pos. country downloads
total perc.
1 image of flag of Germany Germany 294 77.17%
2 image of flag of United States United States 24 6.30%
3 image of flag of China China 17 4.46%
4 image of flag of Russian Federation Russian Federation 4 1.05%
5 image of flag of India India 4 1.05%
6 image of flag of No geo information available No geo information available 3 0.79%
7 image of flag of Italy Italy 3 0.79%
8 image of flag of United Kingdom United Kingdom 3 0.79%
9 image of flag of Brazil Brazil 3 0.79%
10 image of flag of Australia Australia 3 0.79%
    other countries 23 6.04%

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