Articles with "molecular oxygen" as a keyword



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Wiring Gold Nanoparticles and Redox Enzymes: A Self‐Sufficient Nanocatalyst for the Direct Oxidation of Carbohydrates with Molecular Oxygen

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701738

Abstract: The development of artificial nanocatalysts, especially those incorporating the highly active biocatalysts (enzymes) present in nature, is a rapidly developing field in nanocatalysis and nanomaterials science. Dehydrogenases are exceptionally attractive, as they catalyze the oxidation… read more here.

Keywords: oxygen; gold nanoparticles; oxidation; redox enzymes ... See more keywords
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Electrocatalysis of molecular oxygen reduction reaction at liquid-liquid interface and DFT computational study of proton transfer from the conjugate acid of 2,2′-dipyridylamineto oxygen

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Published in 2020 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-020-04605-z

Abstract: In this study, the catalytic effect of 2,2′-dipyridylamine (DPA) on the reduction of oxygen (O2) at the polarized water/1,2-dichloroethane (DCE) interface was investigated. Ferrocene (Fc) and tetrathiafulvalene (TTF) were weak electron donors used in this… read more here.

Keywords: oxygen; reduction; study; molecular oxygen ... See more keywords
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Insights into the surface-defect dependence of molecular oxygen activation over birnessite-type MnO2

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.03.107

Abstract: Abstract In establishing the kinetics, energetics and mechanisms of phenolic degradation reactivity, active reactive oxygen species (ROS) on catalysts surface could exert a vital part. This paper attempts to account for different ROS at the… read more here.

Keywords: oxygen; birnessite type; type mno2; activation ... See more keywords
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Multielectron reduction of molecular oxygen in photocatalytic decomposition of organic compounds by bismuth tungstate particles without cocatalyst loading

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Published in 2017 at "Catalysis Today"

DOI: 10.1016/j.cattod.2017.08.045

Abstract: Abstract A photocatalytic reaction mechanism that involves multielectron reduction of molecular oxygen (O 2 ), as a key step, in photocatalytic decomposition of acetic acid by pristine bismuth tungstate (Bi 2 WO 6 ; BWO)… read more here.

Keywords: bismuth tungstate; multielectron reduction; reduction molecular; molecular oxygen ... See more keywords
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Two-channel responsive luminescent chemosensors for dioxygen species: Molecular oxygen, singlet oxygen and superoxide anion

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Published in 2021 at "Coordination Chemistry Reviews"

DOI: 10.1016/j.ccr.2020.213575

Abstract: Abstract Structurally identical dioxygen species, including molecular oxygen, singlet oxygen and superoxide anion, have distinct physicochemical properties and biological reactivities owing to minor differences in their outer electron distributions. As biologically important oxidants, these dioxygen… read more here.

Keywords: responsive luminescent; molecular oxygen; two channel; channel responsive ... See more keywords
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Boosting molecular oxygen activation ability in self-assembled plasmonic p-n semiconductor photocatalytic heterojunction of WO3/Ag@Ag2O

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.04.137

Abstract: Abstract In recent years, many efforts have been devoted to boost molecular oxygen activation in semiconductor. This is because the reactive oxygen species (ROS) induced by molecular oxygen activation have been confirmed to play a… read more here.

Keywords: oxygen activation; semiconductor; molecular oxygen; heterojunction ... See more keywords
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Bismuth-rich strategy intensifies the molecular oxygen activation and internal electrical field for the photocatalytic degradation of tetracycline hydrochloride

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.132963

Abstract: Abstract Bismuth-rich photocatalyst (Bi3O4Br) and BiOBr were prepared by a simple hydrothermal method with different pH values. The increase in the atomic ratio of Bi/Br led to an upshift in the conduction band minimum and… read more here.

Keywords: degradation; bismuth rich; oxygen activation; bismuth ... See more keywords
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BODIPY parent compound: Excited triplet state and singlet oxygen formation exhibit strong molecular oxygen enhancing effect

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Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2019.04.050

Abstract: Abstract Excited triplet state (T1) properties and formation efficiency are key issues in photodynamic therapy (PDT) and organic light emitting diode (OLED). We report hereby the T1 properties, T1 formation efficiency and mechanism for BODIPY… read more here.

Keywords: singlet oxygen; molecular oxygen; formation; bdp ... See more keywords
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Molecular oxygen dissociation on tin carbide monolayers with gold adatoms

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Published in 2021 at "Materials Letters"

DOI: 10.1016/j.matlet.2021.129675

Abstract: Abstract In this work, the interactions between oxygen molecule O2 with pristine and gold-decorated tin carbide (SnC) monolayers were investigated by using density functional calculations. The results indicate that O2 is adsorbed, with an energy… read more here.

Keywords: oxygen dissociation; tin carbide; tin; molecular oxygen ... See more keywords
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Molecular oxygen activation enhancement by BiOBr0.5I0.5/BiOI utilizing the synergistic effect of solid solution and heterojunctions for photocatalytic NO removal

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Published in 2020 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(20)63607-5

Abstract: Abstract To improve the photocatalytic oxidation reaction activity for NO removal, photocatalysts with excellent activity are required to activate molecular oxygen. Solid solution and heterojunction were suggested as effective strategies to enhance the molecular oxygen… read more here.

Keywords: oxygen; removal; oxygen activation; solid solution ... See more keywords
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Oxygenation via C-H/C-C Bond Activation with Molecular Oxygen.

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Published in 2017 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.7b00108

Abstract: The selective oxidation of organic molecules is a fundamentally important component of modern synthetic chemistry. In the past decades, direct oxidative C-H and C-C bond functionalization has proved to be one of the most efficient… read more here.

Keywords: oxygen; oxidation; oxygenation; bond ... See more keywords