نتایج جستجو برای: functionalized silica based mesoporous

تعداد نتایج: 2986092  

Journal: :Journal of the American Chemical Society 2006
Ruili Liu Yifeng Shi Ying Wan Yan Meng Fuqiang Zhang Dong Gu Zhenxia Chen Bo Tu Dongyuan Zhao

Highly ordered mesoporous polymer-silica and carbon-silica nanocomposites with interpenetrating networks have been successfully synthesized by the evaporation-induced triconstituent co-assembly method, wherein soluble resol polymer is used as an organic precursor, prehydrolyzed TEOS is used as an inorganic precursor, and triblock copolymer F127 is used as a template. It is proposed for the firs...

2012
Ping Li Chang-Yan Cao Zhe Chen Hua Liu Yu Yu Wei-Guo Song

The cascade reaction sequence is a fascinating subject in catalysis. A rationally designed cascade reaction sequence can simplify the synthetic route, reduce the amount of waste and lower the operation cost. The key for a successful cascade reaction sequence is the multifunctional catalyst. With a suitable multifunctional catalyst, multiple synthesis steps can proceed in one pot with high yield...

Journal: :Biomaterials 2012
Ming Ma Hangrong Chen Yu Chen Xia Wang Feng Chen Xiangzhi Cui Jianlin Shi

Uniform Au NRs-capped magnetic core/mesoporous silica shell nanoellipsoids (Au NRs-MMSNEs) were prepared by coating a uniform layer of Au NRs on the outer surface of a magnetic core/mesoporous silica shell nanostructure, based on a two-step chemical self-assembly process. This multifunctional nanocomposite integrate simultaneous chemotherapy, photo-thermotherapy, in vivo MR-, infrared thermal a...

Journal: :nanochemistry research 2016
negar lashgari alireza badiei ghodsi mohammadi ziarani

the recognition of the biologically and environmentally important ions is of great interest in the field of chemical sensors in recent years. the fluorescent sensors as a powerful optical analytical technique for the detection of low level of various analytes such as anions and metal cations have been progressively developed due to the simplicity, cost effective, and selectivity for monitoring ...

2009
Cyrus Zamani Xavi Illa Sara Abdollahzadeh-Ghom JR Morante Albert Romano Rodríguez

Mesoporous silica with KIT-6 structure was investigated as a preconcentrating material in chromatographic systems for ammonia and trimethylamine. Its adsorption capacity was compared to that of existing commercial materials, showing its increased adsorption power. In addition, KIT-6 mesoporous silica efficiently adsorbs both gases, while none of the employed commercial adsorbents did. This mean...

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