نتایج جستجو برای: mesoporous silica kit 6

تعداد نتایج: 1021345  

Journal: :Chemical communications 2006
Junming Sun He Zhang Ruijun Tian Ding Ma Xinhe Bao Dang Sheng Su Hanfa Zou

By finely tuning the TEOS/P123 molar ratio of the octane/water/P123/TEOS quadruple emulsion system and by controlling the synthesis conditions, an ultrafine emulsion system was isolated, under the confinement of which, nanoscale silica particles with ordered large mesopores (approximately 13 nm) have been successfully constructed; the obtained mesoporous silica particles have an unusual ultrafa...

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.

Journal: :Exploration 2023

Mesoporous silica-based nanoparticles, including silica, organosilica and metal doped silica have widespread applications in biomedical applications. This review summarizes the of mesoporous nanoparticles field cancer immunotherapy. Strategies to regulate tumour microenvironment for immune activation are presented by highlighting structural compositional attributes nanoparticles.

Journal: :Biosensors & bioelectronics 2017
Ming Li Haijian Liu Xueqin Ren

The present study reports the fabrication of mesoporous-structured ratiometric molecularly imprinted sensors using a combined surface-imprinted and ratiometric fluorescence method. The sensors were subsequently examined in the selective and sensitive determination of 2,4,6-trinitrophenol (TNP). In the preparation of the ratiometric system, the reference dye CdTe quantum dots were embedded in si...

2015
Kumar L. Vanga Paul L. Bergstrom Daniel R. Fuhrmann

This work presents an innovative integration of sensing and nano-scaled fluidic actuation in the combination of pH sensitive optical dye immobilization with the electro-osmotic phenomena in polar solvents like water for flow-through pH measurements. These flow-through measurements are performed in a flow-through sensing device (FTSD) configuration that is designed and fabricated at MTU. A relat...

2013
Chih-Shuan Lu Po-Chao Wen Hwan-You Chang Fan-Gang Tseng

In this work, we report a portable microfluidic chip based on Si-Porous-Pt MSNs(Mesoporous Silica Nanoparticles) -enhanced electrochemical detection for single-bacteria diognostic. The possibility of single-bacteria detection is realized here by using electroactive molecules modified on Si-Porous-Pt MSNs(Mesoporous Silica Nanoparticles) to detect and differentiate Staphylococcus aureus and Pseu...

2010
Liangming Wei Nantao Hu Yafei Zhang

Polymer nanocomposites show unique properties combining the advantages of the inorganic nanofillers and the organic polymers. The mesoporous silica nanofillers have received much attention due to their ordered structure, high surface area and ease for functionalization of the nanopores. To accommodate macromolecules, the nanopores lead to unusually intimate interactions between the polymer and ...

Journal: :Molecules 2017
Pengyue Zhao Lidong Cao Dukang Ma Zhaolu Zhou Qiliang Huang Canping Pan

Mesoporous silica nanoparticles are used as pesticide carries in plants, which has been considered as a novel method to reduce the indiscriminate use of conventional pesticides. In the present work, mesoporous silica nanoparticles with particle diameters of 200-300 nm were synthesized in order to obtain pyrimethanil-loaded nanoparticles. The microstructure of the nanoparticles was observed by s...

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...

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