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754 Newest Publications about the topic ozone

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Theoretical and experimental study of the response of CuO gas sensor under ozone

16-09-2013 | Author(s): A. Bejaoui , J. Guerin , J.A. Zapien , K. Aguir, Sensors and Actuators B: Chemical, 2013

Publication date: January 2014 Source:Sensors and Actuators B: Chemical, Volume 190 Author(s): A. Bejaoui , J. Guerin , J.A. Zapien , K. Aguir In this paper, we assumed that the ozone detection mechanism of p-type semiconductor resistive gas sensors in dry air is essentially due to ...

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Emerging issues on degradation by-products deriving from personal care products and pharmaceuticals during disinfection processes of water used in swimming pools

16-09-2013 | Author(s): Paola Bottoni , Lucia Bonadonna , Mattea Chirico , Sergio Caroli , Gyula Záray, Microchemical Journal, 2013

Publication date: Available online 15 September 2013 Source:Microchemical Journal Author(s): Paola Bottoni , Lucia Bonadonna , Mattea Chirico , Sergio Caroli , Gyula Záray The use of disinfection substances in the sanitation and disinfection processes of artificial water used for ...

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UVB Radiation as a Potential Selective Factor Favoring Microcystin Producing Bloom Forming Cyanobacteria

13-09-2013 | Yi Ding et al., PLoS ONE, 2013

by Yi Ding, Lirong Song, Bojan Sedmak Due to the stratospheric ozone depletion, several organisms will become exposed to increased biologically active UVB (280–320 nm) radiation, not only at polar but also at temperate and tropical latitudes. Bloom forming cyanobacteria are exposed to UVB ...

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Impact of Wildfires on Ozone Exceptional Events in the Western U.S.

13-09-2013 | Daniel A. Jaffe; Nicole Wigder; Nicole Downey; Gabriele Pfister; Anne Boynard; Stephen B. Reid, Environmental Science & Technology, 2013

Wildfires generate substantial emissions of nitrogen oxides (NOx) and volatile organic compounds (VOCs). As such, wildfires contribute to elevated ozone (O3) in the atmosphere. However, there is a large amount of variability in the emissions of O3 precursors and the amount of O3 produced between ...

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Conversion of Iodide to Hypoiodous Acid and Iodine in Aqueous Microdroplets Exposed to Ozone

12-09-2013 | Elizabeth A. Pillar; Marcelo I. Guzman; Jose M. Rodriguez, Environmental Science & Technology, 2013

Halides are incorporated into aerosol sea spray, where they start the catalytic destruction of ozone (O3) over the oceans and affect the global troposphere. Two intriguing environmental problems undergoing continuous research are (1) to understand how reactive gas phase molecular halogens are ...

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Fluorescent silica nanoparticle-based probe for the detection of ozone via fluorescence resonance energy transfer

11-09-2013 | Wenjing Qi; Di Wu; Jianming Zhao; Zhongyuan Liu; Min Xu; Saima Anjum; Guobao Xu, Analyst, 2013

A fluorescence resonance energy transfer (FRET) platform for the detection of ozone was developed by combining the overlap of fluorescence spectrum of Ru(bpy)32+-doped silica nanoparticleswith absorption spectrum of indigo carmine at around 600 nm. This FRET system can be used to detect ozone ...

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Bonding in Sulfur–Oxygen Compounds—HSO/SOH and SOO/OSO: An Example of Recoupled Pair π Bonding

05-09-2013 | Beth A. Lindquist; Tyler Y. Takeshita; David E. Woon; Thom H. Dunning, Jr., Journal of Chemical Theory and Computation, 2013

The ground states (X2A″) of HSO and SOH are extremely close in energy, yet their molecular structures differ dramatically, e.g., re(SO) is 1.485 Å in HSO and 1.632 Å in SOH. The SO bond is also much stronger in HSO than in SOH: 100.3 kcal/mol versus 78.8 kcal/mol [RCCSD(T)-F12/AVTZ]. Similar ...

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Gas‐Phase Reaction of Monomethylhydrazine with Ozone: Kinetics and OH Radical Formation

03-09-2013 | S. Richters, T. Berndt, International Journal of Chemical Kinetics, 2013

ABSTRACT The gas‐phase reaction of monomethylhydrazine (CH3NHNH2; MMH) with ozone was investigated in a flow tube at atmospheric pressure and a temperature of 295 ± 2 K using N2/O2 mixtures (3–30 vol% O2) as the carrier gas. Proton transfer reaction–mass spectrometry (PTR‐MS) and long‐path ...

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ATR-IR Study of Ozone Initiated Heterogeneous Oxidation of Squalene in an Indoor Environment

29-08-2013 | Dong Fu; Chunbo Leng; Judas Kelley; Guang Zeng; Yunhong Zhang; Yong Liu, Environmental Science & Technology, 2013

There has been a surge of interest in interfacial ozone chemistry for its application in indoor air quality and public health. Squalene, one of the most abundant ozone reactive constituents in an indoor environment, has received increasing attention lately, and a number of studies have been ...

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IJERPH, Vol. 10, Pages 3886-3907: Pulmonary Oxidative Stress, Inflammation and Cancer: Respirable Particulate Matter, Fibrous Dusts and Ozone as Major Causes of Lung Carcinogenesis through Reactive Oxygen Species Mechanisms

27-08-2013 | Valavanidis, Athanasios ; Vlachogianni, Thomais ; Fiotakis, Konstantinos ; Loridas, Spyridon, International Journal of Environmental Research and Public Health, 2013

Reactive oxygen or nitrogen species (ROS, RNS) and oxidative stress in the respiratory system increase the production of mediators of pulmonary inflammation and initiate or promote mechanisms of carcinogenesis. The lungs are exposed daily to oxidants generated either endogenously or exogenously ...

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