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PubMed Journals Articles About "Global Metal Oxide Nanoparticles Market Status Outlook 20182025" RSS

13:12 EDT 20th March 2019 | BioPortfolio

Global Metal Oxide Nanoparticles Market Status Outlook 20182025 PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Global Metal Oxide Nanoparticles Market Status Outlook 20182025 articles that have been published worldwide.

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Showing "Global Metal Oxide Nanoparticles Market Status Outlook 20182025" PubMed Articles 1–25 of 17,000+

Gas-phase synthesis of hybrid nanostructured materials.

Nanoparticles (NPs) of noble metals and their oxides, which have many applications in catalysis, electrocatalysis and photocatalysis, are frequently loaded onto metal oxide supports to enhance performance due to the presence of strong metal-metal oxide or metal oxide-metal oxide interactions. Here we present a flexible aerosol-assisted chemical vapour deposition (AACVD) method for constructing nanostructured thin films of noble metal (Au, Pt, Pd or Ru) and metal oxide (PdO or RuOx) NPs supported on 1D WO3 n...


Atomistic Origin of the Complex Morphological Evolution of Aluminum Nanoparticles during Oxidation: a Chain-Like Oxide Nucleation and Growth Mechanism.

Metal nanoparticles usually show different oxidation dynamics from bulk metals, which results in various oxide nanostructures because of their size-related surface effects. In this work, we have found and investigated the chain-like nucleation and growth of oxides on the Aluminum nanoparticle (ANP) surface, using molecular dynamics simulations with the reactive force-field (ReaxFF). After nucleation, the chain-like oxide nuclei could stay on the ANP surface and continue growing into an oxide shell, or exten...

Bioorthogonal DNA Adsorption on Polydopamine Nanoparticles Mediated by Metal Coordination for Highly Robust Sensing in Serum and Living Cells.

DNA-functionalized nanomaterials, such as various 2D materials, metal oxides, and gold nanoparticles, have been extensively explored as biosensors. However, their practical applications for selective sensing and imaging in biological samples remain challenging due to interference from sample matrix. Bioorthogonal chemistry has allowed specific reactions in cells, and we want to employ this concept to design nanomaterials that can selectively adsorb DNA but not proteins or other abundant biomolecules. In thi...


Microwave synthesis of nanoparticles and their antifungal activities.

Microwave assisted approach was adopted for obtaining copper (II) oxide and Iron (III) oxide nanoparticles using leaves extract of Euphorbia helioscopia. Tanins component extracted from Euphorbia helioscopia were responsible for the formation of stable nanoscopic particles. Nanoparticles of iron and copper oxide was characterized using powder X-ray Diffractometer (PXRD), Scanning electron microscopy (SEM), Energy Dispersive X-ray Analysis (EDAX) and Transmission Electron Microscopy (TEM). PXRD result confir...

Electrostatic Origins of Linear Scaling Relationships at Bifunctional Metal/Oxide Interfaces: A Case Study of Au Nanoparticles on Doped MgO Substrates.

Linear scaling relationships (SRs) have recently emerged as a central paradigm in elucidating reactivity trends on heterogeneous catalysts. SRs, which relate binding energies of adsorbates across a space of catalyst surfaces, have been extensively explored for metal and oxide surfaces, but little is known about their properties at interfaces between metal nanoparticles and oxide supports, which are in turn ubiquitous in heterogeneous catalysis. Using periodic Density Functional Theory calculations, we demon...

Extension of the Plutonium Oxide Nanocluster Family to Include {Pu₁₆} and {Pu₂₂}.

Plutonium(IV) oxide nanoclusters represent an interesting scientific problem regarding structure-function relationships and are also relevant to global concerns surrounding plutonium reprocessing, the remediation of plutonium-contaminated soils, and the storage or disposal of plutonium-containing wastes. Here we report the synthesis of five unique Pu(IV) oxide nanoclusters containing 38, 22, or 16 metal centers and capped only with inorganic ligands, such as chlorine and water, which prevent formation of th...

Investigation of genotoxic and apoptotic effects of zirconium oxide nanoparticles (20 nm) on L929 mouse fibroblast cell line.

In recent years, advances in nano-scale technology have led to the use of nanoparticles in almost all areas of life. Nanoparticles (NP) have been acknowledged as one of the emerging environmental threats; however, studies in different components of environment are limited. Among the available nanoparticles, zirconium oxide nanoparticles are widely used in tooth coating and cosmetic products. In this study, three different concentrations of 20 nM Zirconium Oxide nanoparticles were used to investigate the g...

Interfacial coupling between noble metal nanoparticles and metal-organic frameworks for enhanced catalytic activity.

Metal-organic frameworks (MOFs) have great potential to become innovative heterogeneous supports for immobilizing catalytically active noble metal nanoparticles (NPs). However, unlike metal oxide supports, the interfacial interactions between noble metal NPs and MOFs are currently neglected, thus dramatically diminishing the advantage of MOFs as supports. Herein, ZIFs(Co/Zn)@M (M = Pd, Pt or Au) nanocomposites with well-defined interfaces are synthesized and used as catalysts in gas-phase CO oxidation and l...

Antioxidant efficacy of chitosan/graphene functionalized superparamagnetic iron oxide nanoparticles.

The antioxidant potential of superparamagnetic iron oxide nanoparticles functionalized with chitosan and graphene were examined in the present work. Coprecipitation technique was followed for the synthesis of iron oxide nanoparticles. Graphene-iron oxide nanocomposites were synthesized by mechanical mixing followed by the heat treatment at moderate temperature. The chitosan coated iron oxide nanoparticles were prepared by dispersing nanoparticles in chitosan solution. The nanoparticles/nanocomposites were c...

Back from the Dead. ACA Exchange Market Looking Healthy, Hale, and Competitive.

The brighter outlook for 2019 is what happens when the learning curve starts to flatten out. Remember, this market has only existed for five years. Margins over the past six months have exceeded even pre-ACA levels, and loss ratios reached new lows in the second quarter of 2018.

The Campylobacter fetus S layer provides resistance to photoactivated zinc oxide nanoparticles.

The antimicrobial activity of metal based compounds, including metal oxides, has resulted in numerous agricultural, industrial and medical applications. Zinc oxide nanoparticles are toxic to gram positive and gram negative bacteria as well as to some fungi. In this study we assess the sensitivity of Campylobacter fetus, a gram negative bacterial pathogen of humans and animals, to ZnO nanoparticles and determine whether the S layer protects C. fetus from the antibacterial action of these nanoparticles. Broth...

Metal-containing nanoparticles derived from concealed metal deposits: An important source of toxic nanoparticles in aquatic environments.

The potential environmental risks of engineered nanoparticles in aquatic environment have attracted considerable attention, but naturally produced nanoparticles have relatively been ignored, such as ore-related nanoparticles. To obtain more information about the natural ore-related nanoparticles, deep groundwater and well water samples were respectively collected in or around four major metal deposits in Inner Mongolia, China. These water samples were tested with high resolution transmission electron micros...

Wet-Chemistry Strong Metal-Support Interactions in Titania Supported Au Catalysts.

Classical strong metal-support interactions (SMSI), which display a crucial role for preparation of supported metal nanoparticle catalysts, is one of the most important concepts in heterogeneous catalysis. The conventional wisdom for construction of classical SMSI involves in redox treatments at high-temperatures by molecular oxygen or hydrogen, causing the sintered metal nanoparticles before SMSI formation sometimes. Herein, we report the aforementioned is-sue can be effectively avoided by a wet-chemistry ...

Toxicity of iron oxide nanoparticles: Size and coating effects.

Toxicological research of novel nanomaterials is a major developmental step of their clinical approval. Since iron oxide magnetic nanoparticles have a great potential in cancer treatment and diagnostics, the investigation of their toxic properties is very topical. In this paper we synthesized bovine serum albumin-coated iron oxide nanoparticles with different sizes and their polyethylene glycol derivative. To prove high biocompatibility of obtained nanoparticles the number of in vitro toxicological tests on...

Anchoring of carboxyl-functionalized porphyrins on MgO, TiO, and CoO nanoparticles.

Hybrid materials consisting of functional organic molecules on metal oxide nanomaterials are key components in emerging technologies, for example in energy conversion and molecular electronics. In this work, we present the results of a comparative study of carboxyl-functionalized porphyrins on different oxide nanomaterials. Specifically, we investigated the interaction of 5(3-carboxyphenyl)-10,15,20-triphenyl-21,23H-porphyrin (2H-3-MCTPP) and 5(4-carboxyphenyl)-10,15,20-triphenyl-21,23H-porphyrin (2H-4-MCTP...

Ultrafast removal of arsenic using solid solution of aero-gel based CeTiO oxide nanoparticles.

An aero-gel based solid solution of titanium and cerium oxide nanoparticles have been used for the first time for ultra fast and trace level removal of arsenic from water. The interconnected long range ordered mesoporous structure was observed from TEM analysis which has been verified as an essential facet for the fast removal of arsenic in this study. The HR-XRD spectra indicated the face centred cubic structure with Fm3¯m space group. Le-Bail refinement and Raman spectroscopy confirmed the formation of s...

A-site Ordered Double Perovskite with in situ Exsolved Core-Shell Nanoparticles as Anode for Solid Oxide Fuel Cells.

A highly active anode material for solid oxide fuel cells resistant to carbon deposition is developed. Co-Fe co-doped La0.5Ba0.5MnO3-δ with a cubic-hexagonal heterogeneous stucture is synthesized through the pechini method. An A-site ordered double perovskite with Co0.94Fe0.06 alloy-oxide core-shell nanoparticles on its surface is formed after reduction. The phase transition and the exsolution of the nanoparticles are investigated with X-ray diffraction, thermogravimetric analysis and high-resolution trans...

Size and morphology dependent surface wetting based on hydrocarbon functionalized nanoparticles.

The wetting properties of films created using metal oxide nanoparticles can be controlled through roughness and chemical functionality; however, other variations such as the size and shape of the particles play an important role in improved understanding of the wetting behaviour of these materials.

In situ synthesis of supported metal nanocatalysts through heterogeneous doping.

Supported metal nanoparticles hold great promise for many fields, including catalysis and renewable energy. Here we report a novel methodology for the in situ growth of architecturally tailored, regenerative metal nanocatalysts that is applicable to a wide range of materials. The main idea underlying this strategy is to selectively diffuse catalytically active metals along the grain boundaries of host oxides and then to reduce the diffused metallic species to form nanoclusters. As a case study, we choose ce...

Protection of manganese oxide nanoparticles-induced liver and kidney damage by vitamin D.

Metal nanoparticles (NPs) have been extensively used in industry as well as in biomedical application. Manganese oxide-nanoparticles (MnO-NPs) one of these materials, have many applications. This study was designed to evaluate the protective role of vitamin D against MnO-NPs -induced toxicity in the BALB c mice. These mice were randomly assigned to 4 (n = 10). In this study, MnO-NPs (10 mg/kg), vitamin D (10 mg/kg) and MnO-NPs plus vitamin D were administered interperitoneally once daily for 50 cons...

The Effect of Focused Ultrasound on Magnetic Polyelectrolyte Capsules Loaded with Dye When Suspended in Tissue-Mimicking Gel.

Capsules containing a dye were prepared by the LbL method with iron oxide nanoparticles (50 nm) in different layers of the shell. The capsules were dispersed in a gel and subjected to focused ultrasonic irradiation at three different powers and exposure times. It was found that the inclusion of iron oxide magnetic nanoparticles in any of the polyelectrolyte shells (4, 6, 8 and 10) strengthened the capsules with respect to capsules without nanoparticles. Incorporation of nanoparticles in shell 8 provided the...

Iridium(III)-based chemosensors for the detection of metal ions.

In recent years, transition metal complexes with their prominent photophysical properties have emerged as versatile chemosensors to probe different target analytes, including metal ions. By incorporating specific metal ion receptors, various iridium(III) complex-based cation sensors have been developed using different mechanisms. In this review, we survey examples of iridium(III) complex-based metal ion chemosensors that have been reported in the literature. Their design, mechanism and outlook will also be ...

Ultrafine ternary metal oxide particles with carbon nanotubes: a metal-organic-framework-based approach and superior lithium-storage performance.

Aiming to achieve metal-oxide-based electrodes for Li-ion batteries with enhanced energy density and cycling life, especially overcoming their negative volume expansion during cycling, more effort should be devoted to the exploration of the combination of morphology-controlled metal oxides with carbonaceous materials. In this work, we select dual/single-metallic organic frameworks immobilized on the surface of carbon nanotubes as the precursors to synthesize composites of ternary/single metal oxides with ca...

Bio-inspired Architectures and Hetero-Atom Doping to Construct Metal Oxide based Anode for High Performance Lithium Ion Batteries.

Pursuing the greater energy density and longer life span of lithium ion batteries (LIBs) are urgently needed to satisfy the dramatically increased demand in energy market, where the metal oxide-based anodes are being intensively studied due to the higher capacity over that of the traditional graphite anode. Herein, we introduce a new and sustainable strategy to construct the metal oxide-based anode with high capacity and extremely long cycle life, in which the features of bio-inspired architectures and hete...

Preparation of a highly stable drug carrier by efficient immobilization of human serum albumin (HSA) on drug-loaded magnetic iron oxide nanoparticles.

Albumin immobilized nanoparticles are known to be biodegradable, easy to prepare and reproducible for drug delivery systems. In summary, we have synthesized a new drug carrier using modified iron oxide nanoparticles. The synthesized drug carrier was characterized by X-ray powder diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), Fourier transform infrared (FT-IR), vibrating sample magnetometry (VSM) and energy-dispersive X-ray spectroscopy (EDX). Three different drugs were loaded on th...


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