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1,077 Newest Publications about the topic ozone

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Low-temperature atomic layer deposition of crystalline manganese oxide thin films

27-Sep-2016 | Hua Jin; Dirk Hagen; Maarit Karppinen, Dalton Transactions, 2016

We present a new low-temperature atomic layer deposition (ALD) process based on Mn2(CO)10 and ozone as precursors to fabricate crystalline α-Mn2O3 and Mn3O4 thin films; the phase composition is controlled by the deposition temperature such that the former phase forms in the range 60~100 °C and ...

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Electrocatalytic Reduction of Oxygen on Platinum Nanoparticles in the Presence and Absence of Interactions with the Electrode Surface

19-Sep-2016 | Nevena Ostojic; Richard M. Crooks, Langmuir, 2016

We report that ultraviolet/ozone (UV/O3) treatment can be used to remove sixth-generation, hydroxyl-terminated poly(amidoamine) (PAMAM) dendrimers from dendrimer-encapsulated Pt nanoparticles (Pt DENs) previously immobilized onto a pyrolyzed photoresist film (PPF) electrode. Results from X-ray ...

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Detoxification of Aflatoxin B1 in Red Pepper (Capsicum annuum L.) by Ozone Treatment and its Effect on Microbiological and Sensory Quality

15-Sep-2016 | Ufuk Kamber, Güven Gülbaz, Pinar Aksu, Abdullah Doğan, Journal of Food Processing and Preservation, 2016

Abstract In this study, red pepper samples spiked with AFB1 were treated with ozone at three different doses to reduce their AFB1 level. Samples were spiked with 25, 75 and 150 ppb AFB1 doses and then treated with ozone at 40 mg/L for 20/40 min and 80 mg/L for 40 min. Decrease in AFB1 ...

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Thermal oxidative and ozone oxidative stabilization effect of hybridized functional graphene oxide in silica filled solution styrene butadiene elastomer

14-Sep-2016 | Juqiao Su; Zhongguo Zhao; Yajiang Huang; Xia Liao; Qi Yang, Physical Chemistry Chemical Physics, 2016

Hybridization of modified functional graphene oxide (fGO) in silica filled solution styrene-butadiene rubber (SSBR) endows preferable tensile and dynamic properties before and after thermal oxidative aging, and similar mechanical hysteresis performance compared with the composites without fGO. ...

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Ozone, Electrostatic Precipitators, and Particle Number Concentrations: Correlations Observed in a Real Office during Working Hours

09-Sep-2016 | Jianbang Xiang; Charles J. Weschler; Jinhan Mo; Drew Day; Junfeng Zhang; Yinping Zhang, Environmental Science & Technology, 2016

This study investigates the impacts of outdoor and indoor ozone concentrations, ESP operation and occupancy on particle number concentrations within a modern office in Changsha, China. The office’s one-pass air handling system contains a mini-bag filter (MERV 12) followed by an electrostatic ...

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Mechanistic insights into ozone-initiated oxidative degradation of saturated hydrocarbons and polymers

08-Sep-2016 | Richmond Lee; Michelle L. Coote, Physical Chemistry Chemical Physics, 2016

Accurate quantum chemical calculations were employed to investigate the mechanism of ozone-initiated oxidation of C–H bonds of saturated hydrocarbons and polymers. Step wise hydrogen atom abstraction generates the first resting state the trihydroxide –COOOH, which undergoes decomposition to ...

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Ultrathin and Flat Layer Black Phosphorus Fabricated by Reactive Oxygen and Water Rinse

07-Sep-2016 | Hyuksang Kwon; Sung Won Seo; Tae Gun Kim; Eun Seong Lee; Phung Thi Lanh; Sena Yang; Sunmin Ryu; Jeong Won Kim, ACS Nano, 2016

Ultrathin black phosphorus (BP) is one of the promising two-dimensional (2D) materials for future optoelectronic devices. Its chemical instability in ambient conditions and lack of a bottom-up approach for its synthesis necessitate efficient etching methods that generate BP films of designed ...

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Climate-driven ground-level ozone extreme in the fall over the Southeast United States [Environmental Sciences]

06-Sep-2016 | Yuzhong Zhang; Yuhang Wang, Proceedings of the National Academy of Sciences current issue, 2016

Ground-level ozone is adverse to human and vegetation health. High ground-level ozone concentrations usually occur over the United States in the summer, often referred to as the ozone season. However, observed monthly mean ozone concentrations in the southeastern United States were higher in ...

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Materials, Vol. 9, Pages 753: Protection of Reinforced Concrete Structures of Waste Water Treatment Reservoirs with Stainless Steel Coating Using Arc Thermal Spraying Technique in Acidified Water

03-Sep-2016 | Lee, Han-Seung ; Park, Jin-Ho ; Singh, Jitendra Kumar; Ismail, Mohamed A., Materials, 2016

Waste water treatment reservoirs are contaminated with many hazardous chemicals and acids. Reservoirs typically comprise concrete and reinforcement steel bars, and the main elements responsible for their deterioration are hazardous chemicals, acids, and ozone. Currently, a variety of techniques ...

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Bromide Sources and Loads in Swiss Surface Waters and Their Relevance for Bromate Formation during Wastewater Ozonation

02-Sep-2016 | Fabian Soltermann; Christian Abegglen; Christian Götz; Urs von Gunten, Environmental Science & Technology, 2016

Bromide measurements and mass balances in the catchments of major Swiss rivers revealed that chemical industry and municipal waste incinerators are the most important bromide sources and account for ∼50% and ∼20%, respectively, of the ∼2000 tons of bromide discharged in the Rhine river in 2014 in ...

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