Articles with "manganese dioxide" as a keyword



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Macrophage-Disguised Manganese Dioxide Nanoparticles for Neuroprotection by Reducing Oxidative Stress and Modulating Inflammatory Microenvironment in Acute Ischemic Stroke.

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Published in 2021 at "Advanced science"

DOI: 10.1002/advs.202101526

Abstract: Reperfusion injury is still a major challenge that impedes neuronal survival in ischemic stroke. However, the current clinical treatments are remained on single pathological process, which are due to lack of comprehensive neuroprotective effects. Herein,… read more here.

Keywords: ischemic stroke; oxidative stress; macrophage disguised; stroke ... See more keywords
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Brain‐Penetrating and Disease Site‐Targeting Manganese Dioxide‐Polymer‐Lipid Hybrid Nanoparticles Remodel Microenvironment of Alzheimer's Disease by Regulating Multiple Pathological Pathways

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Published in 2023 at "Advanced Science"

DOI: 10.1002/advs.202207238

Abstract: Finding effective disease‐modifying treatment for Alzheimer's disease remains challenging due to an array of factors contributing to the loss of neural function. The current study demonstrates a new strategy, using multitargeted bioactive nanoparticles to modify… read more here.

Keywords: brain penetrating; disease; alzheimer disease; brain ... See more keywords
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Manganese‐Dioxide‐Catalyzed Trifluoromethylation and Azidation of Styrenyl Olefins via Radical Intermediates

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Published in 2018 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.201700508

Abstract: Manganese dioxide catalyzed trifluoromethylation of styrenes and enolacetates using Langlois reagent is reported. Employing oxygen/air as the oxidant, styrenes afforded a mixture of the trifluoromethylacohol and ketone products in good overall yield. The protocol also… read more here.

Keywords: trifluoromethylation azidation; dioxide catalyzed; catalyzed trifluoromethylation; manganese dioxide ... See more keywords
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Photochemical Oxidative Coupling of 2‐Naphthols using a Hybrid Reduced Graphene Oxide/Manganese Dioxide Nanocomposite under Visible‐Light Irradiation

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701470

Abstract: We describe a simple, cost‐effective, efficient, and high‐yielding photocatalytic approach for the oxidative self‐dimerization of 2‐naphthols using a semiconductor–metal hybrid that consists of intercalated manganese dioxide nanoparticles in reduced graphene oxide (rGO/MnO2) under visible‐light irradiation.… read more here.

Keywords: graphene oxide; naphthols using; visible light; reduced graphene ... See more keywords
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Lead and uranium sorption characteristics on hydrothermal synthesized delta manganese dioxide

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Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-018-6004-0

Abstract: In present paper, delta manganese dioxide is prepared with a hydrothermal method, and the adsorption is investigated with a batch method. The maximum sorption capacity for uranium and lead are calculated to be 41.32 and… read more here.

Keywords: lead uranium; sorption; delta manganese; manganese dioxide ... See more keywords
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Manganese dioxide nanoparticles/activated carbon composite as efficient UV and visible-light photocatalyst

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Published in 2019 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-4055-y

Abstract: Manganese dioxide nanoparticles/activated carbon (MnO2/AC) composites and manganese dioxide nanoparticles (MnO2 NPs) are prepared through chemical reduction method. Morphological study shows that MnO2 NPs had cylindrical and spherical shape. The morphological study also revealed that… read more here.

Keywords: mno2 nps; study; dye; manganese dioxide ... See more keywords
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Synthesis of novel sepiolite–iron oxide–manganese dioxide nanocomposite and application for lead(II) removal from aqueous solutions

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Published in 2019 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-019-05119-9

Abstract: In this study, the sepiolite–iron oxide–manganese dioxide (Sep–Fe3O4–MnO2) nanocomposite was synthesized and applied as a magnetically separable adsorbent for removal of Pb(II) ions from water in a batch system. The effects of initial Pb(II) concentration,… read more here.

Keywords: adsorption; sepiolite iron; iron oxide; removal ... See more keywords
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Synthesis of sulfonated graphene/carbon nanotubes/manganese dioxide composite with high electrochemical properties

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Published in 2018 at "Ionics"

DOI: 10.1007/s11581-018-2767-0

Abstract: Combining MnO2 with conductive carbon materials is an efficient approach to improve the electrical conductivity of MnO2-based electrodes, which could greatly improve the electrochemical performance of supercapacitors. Here, a ternary composite consisting of sulfonated graphene,… read more here.

Keywords: carbon; nanotubes manganese; carbon nanotubes; graphene carbon ... See more keywords
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A synchrotron X-ray powder diffraction and step potential electrochemical spectroscopy study on the change in manganese dioxide capacitive behaviour during cycling

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Published in 2018 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.12.001

Abstract: In this work, the factors leading to the overall capacitance of manganese dioxide electrochemical capacitor materials, i.e. the double layer and pseudocapacitive behaviour, have been separated using Step Potential Electrochemical Spectroscopy (SPECS). In addition, variations… read more here.

Keywords: electrochemical spectroscopy; step potential; potential electrochemical; spectroscopy ... See more keywords
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Use of δ-manganese dioxide for the removal of acetaminophen from aquatic environment: Kinetic – thermodynamic analysis and transformation products identification

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Published in 2020 at "Journal of environmental chemical engineering"

DOI: 10.1016/j.jece.2020.104565

Abstract: Abstract High δ-manganese dioxide’s initial concentration (800 mg/L), temperature (50 °C) and acidic pH (3.0–3.5) were found to be the optimum conditions for the removal of acetaminophen. Additionally, acetaminophen was found to be removed more… read more here.

Keywords: analysis; transformation; reaction; removal acetaminophen ... See more keywords
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Activated carbon fibers with manganese dioxide coating for flexible fiber supercapacitors with high capacitive performance

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Published in 2019 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2018.05.008

Abstract: Abstract Fiber supercapacitor (FSC) is a promising power source for wearable/stretchable electronics and high capacitive performance of FSCs is highly desirable for practice flexible applications. Here, we report a composite of manganese dioxide (MnO2) and… read more here.

Keywords: manganese dioxide; activated carbon; capacitive performance; high capacitive ... See more keywords