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1,125 Newest Publications about the topic ozone

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A computer-based prediction platform for the reaction of ozone with organic compounds in aqueous solution: Kinetics and mechanisms

17-Jan-2017 | Minju Lee; Lorenz Blum; Emanuel Schmid; Kathrin Fenner; Urs von Gunten, Journal of Environmental Monitoring, 2017

Ozonation of secondary wastewater effluents can reduce the discharge of micropollutants by transforming their chemical structures. Therefore, a better understanding of the formation of transformation products during ozonation is important. In this study, a computer-based prediction platform for ...

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Criegee mechanism as a safe pathway of color reduction in sugarcane juice by ozonation

15-Jan-2017 | Author(s): Juliana Aparecida de Souza Sartori, Célio Fernando Figueiredo Angolini, Marcos Nogueira Eberlin, Cl ..., Food Chemistry, 2017

Publication date: 15 June 2017 Source:Food Chemistry, Volume 225 Author(s): Juliana Aparecida de Souza Sartori, Célio Fernando Figueiredo Angolini, Marcos Nogueira Eberlin, Claudio Lima de Aguiar The production of crystal sugar is based on sugarcane juice clarification through ...

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A green and economical vapor-assisted ozone treatment process for surface functionalization of carbon nanotubes

11-Jan-2017 | Jingjie Luo; Yuefeng Liu; Hua Wei; Bolun Wang; Kuang-Hsu Wu; Bingsen Zhang; Dang Sheng Su, Green Chemistry, 2017

We report herein a green and economical strategy for oxidative modification of carbon nanotubes (CNT) by a facile ozone treatment in the presence of solvent vapor (H2O, 30% H2O2 solution and ethanol). This procedure is able to introduce a considerable level of oxygen groups with a dominant ...

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Molecules, Vol. 22, Pages 117: Synthetic Strategies for Peroxide Ring Construction in Artemisinin

11-Jan-2017 | Vil’, Vera A.; Yaremenko, Ivan A.; Ilovaisky, Alexey I.; Terent’ev, Alexander O., Molecules, 2017

The present review summarizes publications on the artemisinin peroxide fragment synthesis from 1983 to 2016. The data are classified according to the structures of a precursor used in the key peroxidation step of artemisinin peroxide cycle synthesis. The first part of the review comprises the ...

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N2O-free single-pot conversion of cyclohexane to adipic acid catalysed by an iron(II) scorpionate complex

11-Jan-2017 | Ana Ribeiro; Luísa Margarida Martins; Armando J L Pombeiro, Green Chemistry, 2017

The highly efficient eco-friendly synthesis of adipic acid (96% yield, 98% selectivity, TONs up to 1.8 x 103) directly from cyclohexane is achieved by using ozone and [FeCl2{κ3-HC(pz)3}] (pz=pyrazol-1-yl) in a solvent-, heating-, radiation- and N2O-free new protocol.

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Catalytic oxidation of bis (2-chloroethyl) ether on vanadia titania nanocatalyst

08-Jan-2017 | Author(s): Keshav Chand Soni, S. Chandra Shekar, Arabian Journal of Chemistry, 2017

Publication date: Available online 5 January 2017 Source:Arabian Journal of Chemistry Author(s): Keshav Chand Soni, S. Chandra Shekar Catalytic oxidation of bis (2- chloroethyl) ether (CEE) was carried over 6 wt.% nanocatalyst (VTN) in the presence of ozone. The VTN was prepared by ...

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Comparative behavior of in situ silica generation in saturated rubbers: EPDM and hydrogenated natural rubber

06-Jan-2017 | Kitti Ongwongsakul, Garry L. Rempel, Sirilux Poompradub, Napida Hinchiranan, Journal of Applied Polymer Science, 2017

ABSTRACT Role of carbon‐carbon double (CC) bonds content and their position in ethylene‐propylene diene ter‐polymer (EPDM), hydrogenated natural rubber (HNR) and natural rubber (NR) on in situ silica formation using tetraethoxysilane (TEOS) as a silica precursor is comparatively investigated. ...

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IJERPH, Vol. 14, Pages 47: Impact of Air Pollutants on Outpatient Visits for Acute Respiratory Outcomes

05-Jan-2017 | Li, Ran ; Jiang, Ning ; Liu, Qichen ; Huang, Jing ; Guo, Xinbiao ; Liu, Fan ; Gao, Zhancheng, International Journal of Environmental Research and Public Health, 2017

The air pollution in China is a severe problem. The aim of our study was to investigate the impact of air pollutants on acute respiratory outcomes in outpatients. Outpatient data from 2 December 2013 to 1 December 2014 were collected, as well as air pollutant data including ozone (O3), nitrogen ...

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Harnessing food‐based bioactive compounds to reduce the effects of ultraviolet radiation: a review exploring the link between food and human health

30-Dec-2016 | Yuhui Ye, Dongxiao Sun‐Waterhouse, Lijun You, Arshad Mehmood Abbasi, International Journal of Food Science & Technology, 2016

Summary Appropriate exposure to sun is beneficial to humans and living organisms. However, excessive exposure to ultraviolet (UV) radiation can lead to photoageing, severe health risks and even death. Nowadays, the health risks of excess UV exposure have greatly increased due to the ...

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Stratospheric solar geoengineering without ozone loss [Earth, Atmospheric, and Planetary Sciences]

27-Dec-2016 | David W. Keith; Debra K. Weisenstein; John A. Dykema; Frank N. Keutsch, Proceedings of the National Academy of Sciences current issue, 2016

Injecting sulfate aerosol into the stratosphere, the most frequently analyzed proposal for solar geoengineering, may reduce some climate risks, but it would also entail new risks, including ozone loss and heating of the lower tropical stratosphere, which, in turn, would increase water vapor ...

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