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948 Newest Publications about the topic ozone


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An analysis of ozone damage to historical maize and soybean yields in the United States [Sustainability Science]

17-Nov-2015 | Justin M. McGrath; Amy M. Betzelberger; Shaowen Wang; Eric Shook; Xin-Guang Zhu; Stephen P. Long; Elizabeth A. Ainsworth, Proceedings of the National Academy of Sciences current issue, 2015

Numerous controlled experiments find that elevated ground-level ozone concentrations ([O3]) damage crops and reduce yield. There have been no estimates of the actual yield losses in the field in the United States from [O3], even though such estimates would be valuable for projections of future ...


Airborne measurements of organic bromine compounds in the Pacific tropical tropopause layer [Earth, Atmospheric, and Planetary Sciences]

10-Nov-2015 | Maria A. Navarro; Elliot L. Atlas; Alfonso Saiz-Lopez; Xavier Rodriguez-Lloveras; Douglas E. Kinnison; Jean-Francois ..., Proceedings of the National Academy of Sciences current issue, 2015

Very short-lived brominated substances (VSLBr) are an important source of stratospheric bromine, an effective ozone destruction catalyst. However, the accurate estimation of the organic and inorganic partitioning of bromine and the input to the stratosphere remains uncertain. Here, we report ...


Differential Cross Sections and Product Rovibrational Distributions for 16O + 32O2 and 18O + 36O2 Collisions

10-Nov-2015 | Tammineni Rajagopala Rao; Grégoire Guillon; Susanta Mahapatra; Pascal Honvault, Journal of Physical Chemistry A, 2015

We report rotationally resolved opacity functions, product rotational distributions, and differential cross sections for the 16O + 16O16O (v = 0,j = 1) → 16O16O (v′ = 0,j′) + 16O and 18O + 18O18O (v = 0,j = 1) → 18O18O (v′ = 0,j′) + 18O collisions calculated by a time-independent quantum ...


Uptake of humic substance and COD from aqueous solutions using synergic processes such as O3/pH, O3/HCO3− and O3/PAC and multiple regression analysis

05-Nov-2015 | Ensar Oguz, Environmental Progress, 2015

Efficiencies of humic substance (HS) and chemical oxygen demand (COD) uptake from aqueous solutions were investigated using O3/HS (100, 200, and 300 mg/L), O3/pH (4, 10, and 12), O3/F. Rate (5, 10, and 15 L/min), O3/Voltage (96, 135, and 170 V), O3/Tem. (14, 40, and 60°C), O3/ (0, 1000, and ...


Contribution of N-Nitrosamines and Their Precursors to Domestic Sewage by Greywaters and Blackwaters

05-Nov-2015 | Teng Zeng; William A. Mitch, Environmental Science & Technology, 2015

N-nitrosamines and their precursors are significant concerns for water utilities exploiting wastewater-impacted water supplies, particularly those practicing potable reuse of wastewater. Previous efforts to identify specific precursors in municipal wastewater accounting for N-nitrosamine ...


Atmospheric Oxidation of Squalene: Molecular Study Using COBRA Modeling and High-Resolution Mass Spectrometry

04-Nov-2015 | David R. Fooshee; Paige K. Aiona; Alexander Laskin; Julia Laskin; Sergey A. Nizkorodov; Pierre F. Baldi, Environmental Science & Technology, 2015

Squalene is a major component of skin and plant surface lipids and is known to be present at high concentrations in indoor dust. Its high reactivity toward ozone makes it an important ozone sink and a natural protectant against atmospheric oxidizing agents. While the volatile products of squalene ...


Degradation of Amino Acids and Structure in Model Proteins and Bacteriophage MS2 by Chlorine, Bromine, and Ozone

02-Nov-2015 | Jong Kwon Choe; David H. Richards; Corey J. Wilson; William A. Mitch, Environmental Science & Technology, 2015

Proteins are important targets of chemical disinfectants. To improve the understanding of disinfectant-protein reactions, this study characterized the disinfectant:protein molar ratios at which 50% degradation of oxidizable amino acids (i.e., Met, Tyr, Trp, His, Lys) and structure were observed ...


Integration of advanced oxidation processes and activated sludge for the treatment of high refractory industrial wastewater

28-Oct-2015 | Nuno Amaral‐Silva, Rui C. Martins, Sérgio Castro‐Silva, Cláudia Paiva, Rosa M. Quinta‐Ferreira, Journal of Chemical Technology & Biotechnology, 2015

Abstract BACKGROUND The aim of the performed research was centered on the development of a suitable strategy for the treatment of a wastewater from the production of automotive coating pipes. RESULTS Coagulation and Fenton treatments show to be ineffective to achieve the purposed ...


Oxidative Degradation of the Monolayer of 1-Palmitoyl-2-Oleoyl-sn-Glycero-3-Phosphocholine (POPC) in Low-Level Ozone

26-Oct-2015 | Lin Qiao; Aimin Ge; Yimin Liang; Shen Ye, Journal of Physical Chemistry B, 2015

Ambient ozone is a common pollutant in the atmosphere that has an extremely high oxidative ability, can dramatically change the structure and functionality of biomolecules, and is harmful to public health. However, the knowledge about the influence of low-level ozone is still very limited at a ...


Structural and Chemical Dynamics of Pyridinic-Nitrogen Defects in Graphene

26-Oct-2015 | Yung-Chang Lin; Po-Yuan Teng; Chao-Hui Yeh; Masanori Koshino; Po-Wen Chiu; Kazu Suenaga, Nano Letters, 2015

High density and controllable nitrogen doping in graphene is a critical issue to realize high performance graphene-based devices. In this paper, we demonstrate an efficient method to selectively produce graphitic-N and pyridinic-N defects in graphene by using the mixture plasma of ozone and ...


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