نتایج جستجو برای: mesoporous

تعداد نتایج: 10528  

2014
Iman K Yazdi Matthew B Murphy Christopher Loo Xuewu Liu Mauro Ferrari Bradley K Weiner Ennio Tasciotti

Cefazolin is an antibiotic frequently used in preoperative prophylaxis of orthopedic surgery and to fight secondary infections post-operatively. Although its systemic delivery in a bulk or bolus dose is usually effective, the local and controlled release can increase its effectiveness by lowering dosages, minimizing total drug exposure, abating the development of antibiotic resistance and avoid...

Journal: :Physical chemistry chemical physics : PCCP 2011
A-Ra Ko Sang-Beom Han Young-Woo Lee Kyung-Won Park

We report well-defined mesoporous β-W(2)N nanoplates prepared by using layered WO(3)·H(2)O without templates. The tungsten nitride nanoplates exhibit typical mesoporous structures with size-controlled monomodal pore distributions.

Journal: :Nanoscale 2011
Haiyan Wang Dayong Wu Dongzhou Li Zhongwei Niu Yuzhe Chen Daihua Tang Min Wu Jianhua Cao Yong Huang

A core/sheath structured mesoporous silica nanofibre was prepared by coaxial electrospinning combined with the solvent evaporation induced surfactant assembly process. The characterization has given convincing evidence for the continuous highly ordered mesoporous structures, and its catalyst application was tested.

Journal: :Journal of the American Chemical Society 2011
Vasiliki Lykourinou Yao Chen Xi-Sen Wang Le Meng Tran Hoang Li-June Ming Ronald L Musselman Shengqian Ma

Microperoxidase-11 has for the first time been successfully immobilized into a mesoporous metal-organic framework (MOF) consisting of nanoscopic cages and it demonstrates superior enzymatic catalysis performances compared to its mesoporous silica counterpart.

2003
Yurong Ma Limin Qi Jiming Ma Yongqing Wu Ou Liu Humin Cheng

Large-pore mesoporous silica microspheres with tailored pore sizes were prepared via a two-step synthesis process by using a triblock copolymer EO20PO70EO20 as template in combination with a cosurfactant cetyltrimethylammonium bromide (CTAB) and a cosolvent ethanol. The obtained mesoporous silica spheres were characterized by scanning electron microscopy (SEM), transmission electron microscopy ...

2016
Bayram Kilic Sunay Turkdogan Aykut Astam Oguz Can Ozer Mansur Asgin Hulya Cebeci Deniz Urk Selin Pravadili Mucur

Multi-walled carbon nanotube (MWCNT)/TiO2 mesoporous networks can be employed as a new alternative photoanode in dye-sensitized solar cells (DSSCs). By using the MWCNT/TiO2 mesoporous as photoanodes in DSSC, we demonstrate that the MWCNT/TiO2 mesoporous photoanode is promising alternative to standard FTO/TiO2 mesoporous based DSSC due to larger specific surface area and high electrochemical act...

Journal: :Chemical communications 2011
Jianping Yang Fan Zhang Yiran Chen Sheng Qian Pan Hu Wei Li Yonghui Deng Yin Fang Lu Han Mohammad Luqman Dongyuan Zhao

A novel mesoporous nanocarrier consisting of a silver core, a silica spacer with controlled thickness and a fluorophores-loaded mesoporous silica shell was fabricated for the metal-enhanced fluorescence (MEF) and Förster resonance energy transfer (FRET) effects.

Journal: :Chemical communications 2003
S C Laha R Ryoo

Highly ordered mesoporous cerium oxides, composed of nanocrystalline pore walls and exhibiting high thermal stability even at 973 K, were synthesized using mesoporous silica templates with hexagonal p6mm and cubic Ia3d symmetries.

Journal: :Chemical communications 2006
Jiacheng Wang Qian Liu

Highly-ordered, pore-modified with amine groups, and glass-like mesoporous silicon oxynitride thin films were prepared by heat treatment of as-synthesized mesoporous silica thin films in a flowing ammonia environment at high temperatures.

2010
F. Lufrano

In this paper, we report the synthesis and characterization of mesoporous carbons, which were obtained using SBA-15 silica as the template material and sucrose as the carbon source. The prepared silica template and mesoporous carbons were characterized by nitrogen adsorption-desorption, low angle X-ray diffraction (XRD) and transmission electron microscopy (TEM). Synthesized carbons were used t...

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