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1,059 Newest Publications about the topic ozone

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Removal of Ozone by Carbon Nanotubes/Quartz Fiber Film

17-Aug-2016 | Shen Yang; Jingqi Nie; Fei Wei; Xudong Yang, Environmental Science & Technology, 2016

Ozone is recognized as a harmful gaseous pollutant, which can lead to severe human health problems. In this study, carbon nanotubes (CNTs) were tested as a new approach for ozone removal. The CNTs/quartz fiber film was fabricated through growth of CNTs upon pure quartz fiber using chemical vapor ...

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[Perspective] Atmospheric radical chemistry revisited

12-Aug-2016 | Veronica Vaida, Science , 2016

Sunlight is the largest energy source for Earth and therefore determines many aspects of our planet's chemistry and climate. For example, light-driven splitting (photolysis) of ozone at high altitude leads to the formation of hydroxyl radicals, which are involved in most oxidative processes in ...

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[Report] Atmospheric photochemistry at a fatty acid–coated air-water interface

12-Aug-2016 | Stéphanie Rossignol; Liselotte Tinel; Angelica Bianco; Monica Passananti; Marcello Brigante; D. James Donaldson; Chr ..., Science , 2016

Although fatty acids are believed to be photochemically inert in the actinic region, complex volatile organic compounds are produced during illumination of an air-water interface coated solely with a monolayer of carboxylic acid. When aqueous solutions containing nonanoic acid (NA) at bulk ...

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Surface study of sintered alumina substrates using solution‐processed ZnO nanorods as a microscopic wettability indicator

08-Aug-2016 | Tsutomu Shinagawa, Mitsuru Watanabe, Masaya Chigane, Hisaya Takahashi, Surface and Interface Analysis, 2016

Wettability and its distribution are crucial factors that indicate the surface conditions of substrates. We report a surface study of sintered alumina substrates using solution‐processed ZnO nanorods as a microscopic wettability indicator. The alumina substrates comprising of micrometer‐sized ...

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Photosensitized Formation of Secondary Organic Aerosols above the Air/Water Interface

04-Aug-2016 | F. Bernard; R. Ciuraru; A. Boréave; C. George, Environmental Science & Technology, 2016

In this study, we evaluated photosensitized chemistry at the air–sea interface as a source of secondary organic aerosols (SOA). Our results show that, in addition to biogenic emissions, abiotic processes could also be important in the marine boundary layer. Photosensitized production of marine ...

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Ultraviolet/Ozone as a Tool To Control Grafting Density in Surface-Initiated Controlled-Radical Polymerizations via Ablation of Bromine

03-Aug-2016 | Richard J. Sheridan; Sara V. Orski; Shin Muramoto; Christopher M. Stafford; Kathryn L. Beers, Langmuir, 2016

We used an ultraviolet-ozone (UVO) cleaner to create substrates for atom-transfer radical polymerization (ATRP) with varying surface initiator coverage. We collected complementary time-of-flight secondary ion mass spectrometry (ToF-SIMS) and X-ray photoelectron spectroscopy (XPS) measurements to ...

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Phospholipid Ozonation Products Activate the 5-Lipoxygenase Pathway in Macrophages

03-Aug-2016 | Karin A. Zemski Berry; Robert C. Murphy, Chemical Research in Toxicology, 2016

Ozone is a highly reactive environmental toxicant that can react with the double bonds of lipids in pulmonary surfactant. This study was undertaken to investigate the proinflammatory properties of the major lipid-ozone product in pulmonary surfactant, ...

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IJERPH, Vol. 13, Pages 771: Severe and Moderate Asthma Exacerbations in Asthmatic Children and Exposure to Ambient Air Pollutants

01-Aug-2016 | Tétreault, Louis-Francois ; Doucet, Marieve ; Gamache, Philippe ; Fournier, Michel ; Brand, Allan ; Kosatsky, Tom ; ..., International Journal of Environmental Research and Public Health, 2016

Background: It is well established that short-term exposure to ambient air pollutants can exacerbate asthma, the role of early life or long-term exposure is less clear. We assessed the association between severe asthma exacerbations with both birth and annual exposure to outdoor air pollutants ...

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Coupling photocatalysis with ozonation for enhanced degradation of Atenolol by Ag-TiO2 micro-tube

31-Jul-2016 | Author(s): Yu Ling, Gaozu Liao, Yanhua Xie, Jing Yin, Jiye Huang, Weihua Feng, Laisheng Li, Journal of Photochemistry and Photobiology A: Chemistry, 2016

Publication date: 1 October 2016 Source:Journal of Photochemistry and Photobiology A: Chemistry, Volume 329 Author(s): Yu Ling, Gaozu Liao, Yanhua Xie, Jing Yin, Jiye Huang, Weihua Feng, Laisheng Li Ag-TiO2 hollow micro-tube was successfully prepared using cotton fiber as ...

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Elemental Bromine Production by TiO2 Photocatalysis and/or Ozonation

27-Jul-2016 | Francesco Parrino, Giovanni Camera Roda, Vittorio Loddo, Leonardo Palmisano, Angewandte Chemie International Edition, 2016

Abstract Significant production of elemental bromine (Br2) was observed for the first time when treating bromide containing solutions at acidic pH, with TiO2 photocatalyst, ozone, or a combination thereof. Br2 selectivities up to approximately 85 % were obtained and the corresponding bromine ...

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