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Cobalt-nanoparticle catalysts derived from zeolitic imidazolate framework@MXene composites for efficient oxidativeself-coupling of benzylamines

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2378-9

Abstract: The catalytic efficiency of the catalyst is tested for the self-coupling of 4-methoxybenzylamine to produce

Keywords： MXene     sacrificial template     oxidative self-coupling     Co nanoparticles     imine    

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Techno-economic evaluation of a biogas-based oxidative coupling of methane process for ethylene production

Alberto T. Penteado, Mijin Kim, Hamid R. Godini, Erik Esche, Jens-Uwe Repke

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 598-618 doi: 10.1007/s11705-018-1752-5

Abstract:

This contribution is a preliminary techno-economic assessment of a biogas-based oxidative coupling

Keywords： biogas conversion     ethylene production     oxidative coupling of methane     feasibility study    

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Removal of 17β-estradiol in laccase catalyzed treatment processes

XIA Qing,KONG Deyang,LIU Guoqiang,HUANG Qingguo,ALALEWI Aamr,LU Junhe

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 372-378 doi: 10.1007/s11783-013-0567-3

Abstract: The removal of 17β-estradiol (E2) in laccase catalyzed oxidative coupling processes was systematicallyMass spectrum (MS) analysis suggested that coupling products were formed through radical-radical couplingThe results of this study demonstrated that laccase catalyzed oxidative coupling process could potentially

Keywords： 17β-estradiol     laccase     oxidative coupling processes     kinetics     mechanisms    

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Catalytic oxidative desulfurization of gasoline using phosphotungstic acid supported on MWW zeolite

Hanlu Wang, Idris Jibrin, Xingye Zeng

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 546-560 doi: 10.1007/s11705-019-1842-z

Abstract: Catalysts for the desulfurization of gasoline samples were synthesized via the immobilization of well-dispersed phosphotungstic acid (HPW) on Mobil composition of matter-twenty-two (MWW) zeolite. Characterization results indicated that these catalysts possess a mesoporous structure with the retention of the Keggin structure of immobilized HPW. Relevant reaction parameters influencing sulfur removal were systematically investigated, including HPW loading, catalyst dosage, temperature, initial S-concentration, molar ratio of oxidant to sulfide (O/S), volume ratio of MeCN to model oil (Ext./oil), and sulfide species. The 40 wt-% HPW/MWW catalyst exhibited the highest catalytic activity with 99.6% dibenzothiophene sulfur removal from prepared samples. The 40 wt-% HPW/MWW catalyst was recycled four times and could be easily regenerated. Finally, as an exploratory study, straight-run-gasoline and fluid catalytic cracking gasoline were employed to accurately evaluate the desulfurization performance of 40 wt-% HPW/MWW. Our research provides new insights into the development and application of catalysts for desulfurization of gasoline.

Keywords： oxidative desulfurization     phosphotungstic acid     MWW     wet impregnation     adsorption energy    

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Apigenin alleviates neomycin-induced oxidative damage via the Nrf2 signaling pathway in cochlear hair

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 637-650 doi: 10.1007/s11684-021-0864-3

Abstract: Oxidative stress plays an important role in the pathogenesis of aminoglycoside-induced hearing loss andDisruption of the Nrf2 axis abolished the effects of apigenin on the alleviation of oxidative stress

Keywords： apigenin     aminoglycosides     ototoxicity     oxidative stress     Nrf2 signaling pathway    

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Synthesis and characterization of phosphotungstic acid/activated carbon as a novel ultrasound oxidative

Liyan LIU, Yu ZHANG, Wei TAN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 422-427 doi: 10.1007/s11705-013-1353-2

Abstract: catalysts were then evaluated in terms of the removal of dibenzothiophene (DBT) by ultrasound-assisted oxidativeIn addition, the stability tests of PTA/AC showed that the catalytic oxidative activity of PTA/AC wasultrasound irradiation for 20 min, which makes it a promising catalyst to use in ultrasound-assisted oxidative

Keywords： phosphotungstic acid     activated carbon     ultrasound-assisted oxidative desulfurization    

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Oxidative desulfurization of fuels using ionic liquids: A review? ?

Hua Zhao,Gary A. Baker

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 262-279 doi: 10.1007/s11705-015-1528-0

Abstract: non-volatile and highly designable solvents, ionic liquids (ILs) have attracted considerable attention for the oxidative

Keywords： oxidative desulfurization     ionic liquids     extraction     fuels     petroleum     polyoxometalates    

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Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic oxidative

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 276-287 doi: 10.1007/s11705-022-2242-3

Abstract: active metal NPs and thereafter their catalytic activities remain an affordable challenge in ultra-deep oxidative

Keywords： oxidative desulfurization     boron nitride     vanadium     MXene     intercalation confinement    

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Experimental study on oxidative decomposition of nitrobenzene in aqueous solution by honeycomb ceramic-catalyzed

ZHAO Lei, MA Jun, LIU Zhengqian, YANG Yixin, SUN Zhizhong

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 44-50 doi: 10.1007/s11783-008-0012-1

Abstract: The ozonation of nitrobenzene in aqueous solution was carried out in a semi-batch reactor to investigate the degradation efficiency, the effect factors, and the reaction mechanism, where honeycomb ceramic was used as a catalyst. The presence of honeycomb ceramic could improve the degradation rate of nitrobenzene by 15.46% compared to the results of ozonation alone. Under the conditions of this experiment, the degradation rate of honeycomb ceramic-catalyzed ozonation increased by 12.94% with the increase of the amount of catalyst from 1 to 5 blocks. The degradation rates all increased greatly with the increase of temperature and pH of the solution in the processes of honeycomb ceramic-catalyzed ozonation and ozonation alone. But, when the pH of the solution increased to 9.50, the advantage of the honeycomb ceramic-catalyzed ozonation process would be lost. The experimental findings indicated that in the processes of ozonation alone and honeycomb ceramic-catalyzed ozonation, nitrobenzene was primarily oxidized by OH free radical in aqueous solution. The adsorption of nitrobenzene was too limited to have an important influence on the degradation rate of nitrobenzene. With the same total dosage of applied ozone, the multiple step addition of ozone showed much higher removal efficiency than that obtained by one step in the two processes.
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Relations between indoor and outdoor PM

Cong Liu, Yinping Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1089-4

Abstract:

Factors impacting indoor-outdoor relations are introduced.

Sulfate seems a fine tracer for other non-volatile species.

Particulate nitrate and ammonium desorb during outdoor-to-indoor transport.

OC load increases during the transport due to sorption of indoor SVOCs.

Keywords： Indoor air quality     Exposure     SVOC     Reactive oxidative species     Oxidative potential     Chemical transport model    

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Microdamage study of granite under thermomechanical coupling based on the particle flow code

Frontiers of Structural and Civil Engineering   Pages 1413-1427 doi: 10.1007/s11709-023-0953-2

Abstract: The thermomechanical coupling of rocks refers to the interaction between the mechanical and thermodynamicThe study of this coupling interaction is essential for understanding the mechanical and thermodynamicA series of numerical thermomechanical coupling tests are then conducted to calibrate the micro-parameters

Keywords： thermomechanical coupling effect     granite     improved linear parallel bond model     thermal property     particle    

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Detection of oxidative stress and DNA damage in freshwater snail

Daoud Ali, Huma Ali, Saud Alifiri, Saad Alkahtani, Abdullah A Alkahtane, Shaik Althaf Huasain

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1039-6

Abstract:

Deleterious effects on some oxidative stress

Keywords： Acute toxicity     Profenofos     ROS     oxidative stress     DNA damage     Lymnea luteola    

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Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 78-98 doi: 10.1007/s11709-022-0936-8

Abstract: Instead of applying the concept of adiabatic surface temperature (AST) to achieve fluid–structure coupling

Keywords： CFD–FEM coupling     steel beam     wind     ceiling jet     numerical heat transfer    

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Oxidative stress and diabetes: antioxidative strategies

Pengju Zhang, Tao Li, Xingyun Wu, Edouard C. Nice, Canhua Huang, Yuanyuan Zhang

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 583-600 doi: 10.1007/s11684-019-0729-1

Abstract: Considerable recent evidence suggests that the cellular reduction–oxidation (redox) imbalance leads to oxidativeWe have therefore focused on the role of oxidative stress and antioxidative therapies in the pathogenesis

Keywords： diabetes     oxidative stress     redox modification     antioxidative therapy     novel antioxidant delivery    

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Effect of alkyl nitrite decomposition on catalytic performance of CO coupling reaction over supported

Zhenhua LI, Weihan WANG, Dongxue YIN, Jing LV, Xinbin MA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 410-414 doi: 10.1007/s11705-012-1213-5

Abstract: The syntheses of dimethyl oxalate (DMO) and diethyl oxalate (DEO) by CO coupling reaction in gaseous

Keywords： palladium     CO coupling     dialkyl oxalate     alkyl nitrite     decomposition    

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Title Author Date Type Operation

Cobalt-nanoparticle catalysts derived from zeolitic imidazolate framework@MXene composites for efficient oxidativeself-coupling of benzylamines

Journal Article

Techno-economic evaluation of a biogas-based oxidative coupling of methane process for ethylene production

Alberto T. Penteado, Mijin Kim, Hamid R. Godini, Erik Esche, Jens-Uwe Repke

Journal Article

Removal of 17β-estradiol in laccase catalyzed treatment processes

XIA Qing,KONG Deyang,LIU Guoqiang,HUANG Qingguo,ALALEWI Aamr,LU Junhe

Journal Article

Catalytic oxidative desulfurization of gasoline using phosphotungstic acid supported on MWW zeolite

Hanlu Wang, Idris Jibrin, Xingye Zeng

Journal Article

Apigenin alleviates neomycin-induced oxidative damage via the Nrf2 signaling pathway in cochlear hair

Journal Article

Synthesis and characterization of phosphotungstic acid/activated carbon as a novel ultrasound oxidative

Liyan LIU, Yu ZHANG, Wei TAN

Journal Article

Oxidative desulfurization of fuels using ionic liquids: A review? ?

Hua Zhao,Gary A. Baker

Journal Article

Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic oxidative

Journal Article

Experimental study on oxidative decomposition of nitrobenzene in aqueous solution by honeycomb ceramic-catalyzed

ZHAO Lei, MA Jun, LIU Zhengqian, YANG Yixin, SUN Zhizhong

Journal Article

Relations between indoor and outdoor PM

Cong Liu, Yinping Zhang

Journal Article

Microdamage study of granite under thermomechanical coupling based on the particle flow code

Journal Article

Detection of oxidative stress and DNA damage in freshwater snail

Daoud Ali, Huma Ali, Saud Alifiri, Saad Alkahtani, Abdullah A Alkahtane, Shaik Althaf Huasain

Journal Article

Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Journal Article

Oxidative stress and diabetes: antioxidative strategies

Pengju Zhang, Tao Li, Xingyun Wu, Edouard C. Nice, Canhua Huang, Yuanyuan Zhang

Journal Article

Effect of alkyl nitrite decomposition on catalytic performance of CO coupling reaction over supported

Zhenhua LI, Weihan WANG, Dongxue YIN, Jing LV, Xinbin MA

Journal Article