نتایج جستجو برای: hybrid nanoparticles

تعداد نتایج: 294743  

2009
Shaowei Chen

SnO2 nanoparticles were synthesized by a facile electrochemical method based on anodic oxidation of a tin metal sheet. The resulting particles, with an average diameter of about 20nm, were then loaded with varied amounts of HAuCl4, forming SnO2–Au(x) (x=0, 0.095, 0.38, 0.76, 1.9, 3.0, and 3.8 at.%) hybrid nanoparticles after calcination at elevated temperatures (700 ◦C). X-ray diffraction (XRD)...

Journal: :Acta biomaterialia 2013
Seong Deok Kong Marta Sartor Che-Ming Jack Hu Weizhou Zhang Liangfang Zhang Sungho Jin

Stimuli-responsive nanoparticles (SRNPs) offer the potential of enhancing the therapeutic efficacy and minimizing the side-effects of chemotherapeutics by controllably releasing the encapsulated drug at the target site. Currently controlled drug release through external activation remains a major challenge during the delivery of therapeutic agents. Here we report a lipid-polymer hybrid nanopart...

In the present study, the effect of nano Al2O3 and nano graphene ceramic additives in optimizing performance and improving thermophysical properties of aircraft anti-icing/de-icing fluids was investigated. Nanoparticles were characterized by TEM, SEM and XRD methods. The thermal conductivity, surface tension and dynamic viscosity of the hybrid nanofluids were experimentally assessed for tempera...

Journal: :Molecules 2017
Virginija Jankauskaitė Algirdas Lazauskas Egidijus Griškonis Aistė Lisauskaitė Kristina Žukienė

The most effective means to protect against bacterial invasion and to reduce the risk of healthcare-associated infections are antibacterial components synthesis. In this study, a novel process for the synthesis of organic-inorganic hybrid coatings containing silver nanoparticles is presented. Silver nanoparticles and polymer formation proceeds simultaneously through the in situ photoreduction o...

Journal: :Chemical communications 2015
Lluís Pascual Isabel Baroja Elena Aznar Félix Sancenón M Dolores Marcos Jose Ramón Murguía Pedro Amorós Knut Rurack Ramón Martínez-Máñez

New hybrid oligonucleotide-capped mesoporous silica nanoparticles able to detect genomic DNA were designed.

In this paper, we investigated the statistical analysis of thermal conductivity of nanofluids containing of decorated Ag nanorods with Cu nanoparticles. For this purpose Ag-Cu hybrid is synthesized and characterized using transmission electron microscopy (TEM) and X-ray diffraction pattern (XRD). TEM image shows that Cu nanoparticles successfully decorate on the outer surface of Ag nanorods. Th...

Journal: :Chemical communications 2014
Tao Zhang Yuanpeng Wu Zhiguang Xu Qipeng Guo

Hybrid HIPE organogels were prepared from pre-formed hybrid organogels, which were formed from a triblock ionomer and Fe3O4 nanoparticles via charge-driven assembly. Magnetic materials can be obtained from these hybrid HIPE organogels simply by removal of solvents, and these materials have been confirmed to be excellent candidates for absorption of oil from water.

2014
Yan Feng Hui Liu Pengfei Wang Feng Ye Qiangqiang Tan Jun Yang

The integration of different components into a hybrid nanosystem for the utilization of the synergistic effects is an effective way to design the electrocatalysts. Herein, we demonstrate a hybrid strategy to enhance the electrocatalytic property of hollow structured Pt nanoparticles for methanol oxidation reaction. This strategy begins with the preparation of bimetallic Ag-Pt nanoparticles with...

Journal: :Colloids and surfaces. B, Biointerfaces 2013
Yu Ouyang Xiang Cai QingShan Shi Lili Liu Dongliang Wan Shaozao Tan Yousheng Ouyang

In order to improve the water-solubility and long-term antibacterial activity of copper nanoparticles (CuNPs), a poly-L-lysine-modified reduced graphene oxide (PLL-rGO) was used as the carrier of CuNPs, and a poly-L-lysine/reduced graphene oxide/copper nanoparticles (PLL-rGO-CuNPs) hybrid was prepared by anchoring the CuNPs on the reduced graphene oxide surface. The novel PLL-rGO-CuNPs hybrid w...

2014
Rodrigo A Segura Claudia Contreras Ricardo Henriquez Patricio Häberle José Javier S Acuña Alvaro Adrian Pedro Alvarez Samuel A Hevia

The hybrid structures composed of gold nanoparticles and carbon nanotubes were prepared using porous alumina membranes as templates. Carbon nanotubes were synthesized inside the pores of these templates by the non-catalytic decomposition of acetylene. The inner cavity of the supported tubes was used as nanoreactors to grow gold particles by impregnation with a gold salt, followed by a calcinati...

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