نتایج جستجو برای: inorganic nanoparticles

تعداد نتایج: 179608  

2012
L. S. Wang

Nanoparticles with sizes ranging between objects and microparticles (e.g. atom) have attracted much attention. These particles with various specialized functions not only deepen our understanding of nature, but also serve as the basis for the development of new advanced technology. The successful application of nanoparticles depends upon both the synthesis and the surface modification of these ...

2017
Tiancong Zhao Nam-Trung Nguyen Yang Xie Xiaofei Sun Qin Li Xiaomin Li

Mesoporous SiO2 nanoparticles (MSNs) are one of the most promising materials for bio-related applications due to advantages such as good biocompatibility, tunable mesopores, and large pore volume. However, unlike the inorganic nanocrystals with abundant physical properties, MSNs alone lack functional features. Thus, they are not sufficiently suitable for bio-applications that require special fu...

Journal: :Chemical communications 2014
Alexander N Kulak Pengcheng Yang Yi-Yeoun Kim Steven P Armes Fiona C Meldrum

A simple, one-pot method is presented whereby gold nanoparticles coated with a zwitterionic diblock copolymer are incorporated within single crystals of calcite. This may provide a versatile alternative to dyeing crystal with organic molecules and could be extended to create a series of new nanocomposite crystals with novel properties.

Journal: :Chemical communications 2011
Tao Ding Ye Tian Kui Liang Koen Clays Kai Song Guoqiang Yang Chen-Ho Tung

Oxygen plasma etching of electrospun polymer fibers containing spherical colloids is presented as a new approach towards anisotropic colloidal nanoparticles. The detailed morphology of the resulting nanoparticles can be precisely controlled in a continuous way. The same approach is also amenable to prepare inorganic nanoparticles with double-sided patches.

Journal: :journal of ultrafine grained and nanostructured materials 2012
m saeidi hossein sarpoolaky s. m. mirkazemi

recently, the al2o3–tio2–zro2 system has found valuable applications, particularly, as a support for nox storage–reduction (nsr) catalysts. nanocomposite powders were prepared from the co-precipitation method in inorganic precursors. the behaviors of mixed oxide nanoparticles under ultrasonic irradiation, such as dispersion, and crushing were studied. phase transformations, crystallite size, an...

2017
Panchanan Pramanik

Copper based nanoparticles have an immense potential in the future of anticancer therapy. Various copper inorganic nanoparticles and organic framework complexes have been extensively studied since the last decade for their effect on cancer cell growth inhibition and tumor regression. In this review we have summarised the anticancer activity of few such nanoparticles of copper and organo-copper ...

Journal: :Chemical communications 2011
Bernhard Basnar Marco Litschauer Stefan Abermann Emmerich Bertagnolli Gottfried Strasser Marie-Alexandra Neouze

Recently nanoparticles ionic networks were reported in the frame of the remarkable development of new inorganic-organic hybrid materials based on nanoparticles assembly. In this article a layer-by-layer deposition method for the formation of imidazolium-based assemblies of photocatalytic titania nanoparticles is presented. This provides a new route for the controlled processing of this promisin...

Journal: :EMBO reports 2017
Philip Hunter

N anoparticles have been used for more than a decade in medicine, one of the more prominent applications being silver particles in wound dressing to prevent infection and local inflammation. Most nanoparticles though are used for drug delivery, a substantial and fast growing market, worth about US$41 billion in 2014 and projected to reach US $118 billion by 2023 (http://www.transpare ncymarketr...

Journal: :Physical chemistry chemical physics : PCCP 2013
Wei Wei Xigui Yue Yang Zhou Zheng Chen Jiyong Fang Cong Gao Zhenhua Jiang

A novel transparent Co0.2Fe2.8O4@SiO2-polyetheretherketone hybrid material is prepared for electromagnetic interference shielding via in situ sol-gel process. 20% amino-functionalized polyetheretherketone (AFPEEK), containing trifluoromethyl units with excellent solubility is designed and synthesized to improve the stability and mechanical properties of Co0.2Fe2.8O4@SiO2 nanoparticles. The hydr...

Journal: :Nature nanotechnology 2008
Hsiang-Yu Chen Michael K F Lo Guanwen Yang Harold G Monbouquette Yang Yang

Polymer-inorganic nanocrystal composites offer an attractive means to combine the merits of organic and inorganic materials into novel electronic and photonic systems. However, many applications of these composites are limited by the solubility and distribution of the nanocrystals in the polymer matrices. Here we show that blending CdTe nanoparticles into a polymer-fullerene matrix followed by ...

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