Articles with "ruthenium nanoparticles" as a keyword



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Ultralow Loading Ruthenium Nanoparticles on Nitrogen‐Doped Graphene Aerogel for Trifunctional Electrocatalysis

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701691

Abstract: A three‐dimensional (3 D) nitrogen‐doped graphene aerogel (NGA) with confined ultrasmall ruthenium nanoparticles (2–4 nm) was prepared through a hydrothermal reaction of graphene oxide (GO), ammonia solution, and ruthenium trichloride hydrate, followed by high‐temperature annealing and oxidation.… read more here.

Keywords: ruthenium; nitrogen doped; graphene aerogel; ruthenium nanoparticles ... See more keywords
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Surprising Differences of Alkane C‐H Activation Catalyzed by Ruthenium Nanoparticles: Complex Surface‐Substrate Recognition?

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201801022

Abstract: The activation of C−H bonds of alkanes remains a major challenge for chemistry. In a series of deuteration experiments with D2 in contact with bis‐(diphenylphosphino) butane (dppb) stabilized ruthenium nanoparticles (liquid substrates, 60 °C, 6 bar D2)… read more here.

Keywords: ruthenium nanoparticles; surprising differences; differences alkane; alkane activation ... See more keywords
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C‐N Bond Formation Catalyzed by Ruthenium Nanoparticles Supported on N‐Doped Carbon via Acceptorless Dehydrogenation to Secondary Amines, Imines, Benzimidazoles and Quinoxalines

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201801525

Abstract: Ruthenium nanoparticles (NPs) supported on N‐doped carbon (Ru/N−C) were prepared by the pyrolysis of cis‐Ru(phen)2Cl2 loaded onto carbon powder (VULCAN XC72R) at 800 °C. Ru/N−C NPs (0.2 mol% Ru) selectively catalyzed either acceptorless dehydrogenation coupling (ADC) or… read more here.

Keywords: doped carbon; carbon; ruthenium nanoparticles; secondary amines ... See more keywords
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Electrochemical Sensor‐Based Ruthenium Nanoparticles on Reduced Graphene Oxide for the Simultaneous Determination of Ethinylestradiol and Amoxicillin

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Published in 2017 at "Electroanalysis"

DOI: 10.1002/elan.201700014

Abstract: The composite material of reduced graphene and Ru nanoparticles (rGO/RuNP) was obtained by electrochemical oxidation of ruthenium nanoparticles immobilised on the glassy carbon electrode (GCE) surface and used for simultaneous electroanalysis of drugs. There are… read more here.

Keywords: ruthenium nanoparticles; gce rgo; reduced graphene; ethinylestradiol ... See more keywords
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Ultrasmall Ruthenium Nanoparticles with Boosted Antioxidant Activity Upregulate Regulatory T Cells for Highly Efficient Liver Injury Therapy.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202201558

Abstract: Nanozymes exhibiting antioxidant activity are beneficial for the treatment of oxidative stress-associated diseases. Ruthenium nanoparticles (RuNPs) with multiple enzyme-like activities have attracted growing attention, but the relatively low antioxidant enzyme-like activities hinder their practical biomedical… read more here.

Keywords: like activities; antioxidant activity; boosted antioxidant; activity ... See more keywords
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Ruthenium Nanoparticles Immobilized on Nano-silica Functionalized with Thiol-Based Dendrimer: A Nanocomposite Material for Oxidation of Alcohols and Epoxidation of Alkenes

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Published in 2018 at "Catalysis Letters"

DOI: 10.1007/s10562-018-2313-8

Abstract: In this work, ruthenium nanoparticles were immobilized on thiol-based dendrimer functionalized nano-silica and its catalytic activity was investigated in the oxidation reactions. To do this, silica nanoparticles were functionalized with a thiol-based dendrimer, and this… read more here.

Keywords: oxidation; ruthenium nanoparticles; nanoparticles immobilized; thiol based ... See more keywords
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Ruthenium nanoparticles cofunctionalized with acetylene derivatives of coumarin and perylene: dyad-like intraparticle charge transfer

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Published in 2018 at "Journal of Nanoparticle Research"

DOI: 10.1007/s11051-018-4288-1

Abstract: AbstractNanoparticles are a unique structural scaffold for the fabrication of molecular dyad-like structures, in particular, when the functional moieties are bound onto the nanoparticle surface by conjugated interfacial bonds. In the present study, stable ruthenium… read more here.

Keywords: ruthenium; ruthenium nanoparticles; acetylene derivatives; dyad like ... See more keywords
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High performance silicon nanowires/ruthenium nanoparticles micro-supercapacitors

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Published in 2019 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2019.04.083

Abstract: Abstract The continuous increase of small electronic devices calls for small energy storage components, commonly known as micro-supercapacitors, that can ensure autonomous operation of these devices. In this work, we propose a simple and straightforward… read more here.

Keywords: silicon nanowires; performance silicon; ruthenium nanoparticles; micro supercapacitors ... See more keywords
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Transferrin modified ruthenium nanoparticles with good biocompatibility for photothermal tumor therapy.

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Published in 2018 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2017.10.023

Abstract: In the past two decades, there were various kinds of photothermal agents being synthesised and investigated for their photothermal effect in antitumor applications. However, it is barely reported that the photothermal effect of Ruthenium (Ru)… read more here.

Keywords: photothermal tumor; ruthenium nanoparticles; biocompatibility; therapy ... See more keywords
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Recent developments in polymer-supported ruthenium nanoparticles/complexes for oxidation reactions

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Published in 2020 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2020.121658

Abstract: Abstract Polymers are extensively used as supports for the fabrication of catalysts. They have many advantages such as high thermal stability, ease of modification, high mechanical strength and large surface area. In recent years, the… read more here.

Keywords: oxidation; ruthenium nanoparticles; supported ruthenium; recent developments ... See more keywords
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Phosphorus-rich network polymer supported ruthenium nanoparticles for nitroarene reduction

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Published in 2019 at "Materials Letters"

DOI: 10.1016/j.matlet.2018.12.140

Abstract: Abstract Hypercrosslinked polymers (HCPs) are a class of promising materials for heterogeneous catalysis in recent years due to their superior physicochemical properties. Herein, a phosphorus-rich network polymer was synthesized by anhydrous FeCl3 promoted Friedel-Crafts alkylation… read more here.

Keywords: rich network; phosphorus rich; ruthenium nanoparticles; polymer ... See more keywords