نتایج جستجو برای: nanocomposite catalyst

تعداد نتایج: 57241  

At the first stage Fe3O4 and Fe nanoparticles were synthesized via a simple hydrothermal method. Then silver nanoparticles and Fe-Ag nanocomposites were synthesized in the presence of NaBH4. The prepared products were characterized by X-ray diffraction pattern, scanning electron microscopy, and Fourier transform infrared spectroscopy. Vibrating Sample magnetometer illustrated that Fe nanopartic...

2009
Ying Ma

.................................................................................................................................................. I LIST OF PAPERS ...................................................................................................................................... III TABLE OF CONTENTS ...............................................................................

Journal: :Molecules 2016
Klebson Silva Santos Andriele Mendonça Barbosa Luiz Pereira da Costa Malone Santos Pinheiro Maria Beatriz Prior Pinto Oliveira Francine Ferreira Padilha

Bacterial resistance is an emerging public health issue that is disseminated worldwide. Silver nanocomposite can be an alternative strategy to avoid Gram-positive and Gram-negative bacteria growth, including multidrug-resistant strains. In the present study a silver nanocomposite was synthesized, using a new green chemistry process, by the addition of silver nitrate (1.10-3 mol·L-1) into a ferm...

Journal: :Journal of colloid and interface science 2016
Mohammad Ehtisham Khan Mohammad Mansoob Khan Moo Hwan Cho

This paper reports cadmium sulphide nanoparticles-(CdS NPs)-graphene nanocomposite (CdS-Graphene), prepared by a simple method, in which CdS NPs were anchored/decorated successfully onto graphene sheets. The as-synthesized nanocomposite was characterized using standard characterization techniques. A combination of CdS NPs with the optimal amount of two-dimensional graphene sheets had a profound...

2012
Xiaojun Bian Jie Zhu Lei Liao Micheál D. Scanlon Peiyu Ge Chang Ji Hubert H. Girault Baohong Liu

ژورنال: مواد پرانرژی 2018

Nanoparticles (NPs) tend to agglomerate consequently their catalytic activities decrease during propellant operation. Therefore, loading the nanoparticles onto the support is a general method to prevent the agglomeration and maintain the catalytic activities of the nanoparticles. Three dimensional (3D) graphene has high surface area and porous structur. Furthermore,, 3D-graphene is an efficient...

2016
X Fuku K Kaviyarasu N Matinise M Maaza

A novel ternary Punica granatum L-Cu/Cu2O/CuO/ZnO nanocomposite was successfully synthesised via green route. In this work, we demonstrate that the green synthesis of metal oxides is more viable and facile compare to other methods, i.e., physical and chemical routes while presenting a potential electrode for energy applications. The prepared nanocomposite was characterised by both microscopic a...

Journal: :Molecules 2010
Antonio Monopoli Angelo Nacci Vincenzo Calò Francesco Ciminale Pietro Cotugno Annarosa Mangone Lorena Carla Giannossa Pietro Azzone Nicola Cioffi

Palladium nanoparticles have been electrochemically supported on zirconium oxide nanostructured powders and all the nanomaterials have been characterized by several analytical techniques. The Pd/ZrO(2) nanocatalyst is demonstrated to be a very efficient catalyst in Heck, Ullmann, and Suzuki reactions of aryl halides in water. The catalyst efficiency is attributed to the stabilization of Pd nano...

Journal: :Journal of the Royal Society, Interface 2010
Bin Duan Min Wang

Integrating an advanced manufacturing technique, nanocomposite material and controlled delivery of growth factor to form multifunctional tissue engineering scaffolds was investigated in this study. Based on calcium phosphate (Ca-P)/poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV) nanocomposite microspheres, three-dimensional Ca-P/PHBV nanocomposite scaffolds with customized architecture, control...

2014
Samer Hasan Hussein-Al-Ali Mohamed E. El Zowalaty Aminu Umar Kura Benjamin Geilich Sharida Fakurazi Thomas J. Webster Mohd Zobir Hussein

Nystatin is a tetraene diene polyene antibiotic showing a broad spectrum of antifungal activity. In the present study, we prepared a nystatin nanocomposite (Nyst-CS-MNP) by loading nystatin (Nyst) on chitosan (CS) coated magnetic nanoparticles (MNPs). The magnetic nanocomposites were characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), thermogravimet...

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