نتایج جستجو برای: porous nanoparticles

تعداد نتایج: 154446  

Journal: :Chemical communications 2011
Sourov Chandra Shouvik Mitra Dipranjan Laha Sourav Bag Pradip Das Arunava Goswami Panchanan Pramanik

A novel route has been developed to fabricate different carbon nanostructures having individual morphology of carbon nanoparticles: nanofullerene, nanocube, nanoleaf and porous nanorods, through the combustion of carbon xerogel with nitric acid. These fabricated nanostructures exhibited bright green fluorescence under the exposure of UV light.

Journal: :Chemical communications 2014
Yanhu Wang Lei Ge Panpan Wang Mei Yan Jinghua Yu Shenguang Ge

A three-dimensional microfluidic origami glucose-air immuno-biofuel cell has been successfully demonstrated for the first time to implement self-powered, sensitive, and low-cost sandwich immunoassay for cancer markers based on the signal amplifications of a porous Au-paper electrode and Au nanoparticles attached to carbon nanotubes.

2010
Liangbing Hu Hui Wu Seung Sae Hong Lifeng Cui James R. McDonough Sy Bohy Yi Cui

We designed and fabricated binder-free, 3D porous silicon nanostructures for Li-ion battery anodes, where Si nanoparticles electrically contact current collectors via vertically grown silicon nanowires. When compared with a Si nanowire anode, the areal capacity was increased by a factor of 4 without having to use long, high temperature steps under vacuum that vapour– liquid–solid Si nanowire gr...

Journal: :Chemical communications 2015
Lin Zhou Lin Zhou Xuefeng Ge Jiahong Zhou Shaohua Wei Jian Shen

An effective theranostic platform based on porous silica nanoparticles encapsulated with the complex of a photodynamic anticancer drug and graphene quantum dots (GQDs), with the bifunction of multicolor imaging and satisfactory photo-induced anticancer activity, was successfully designed and prepared for in vitro photodynamic therapy (PDT) of superficial cancer.

Journal: :Chemical communications 2012
Joo-Hee Kang Seung-Min Paek Jin-Ho Choy

A porous hybrid of titanate nanosheets with SnO(2) nanoparticles has been realized by an exfoliation and reassembling route. The present nanohybrid shows a large reversible capacity of 860 mA h g(-1) with a good capacity retention (about 60% retention of the initial capacity after 50 cycles).

Journal: :Chemical communications 2015
Renbing Wu Dan Ping Wang Vipin Kumar Kun Zhou Adrian W K Law Pooi See Lee Jun Lou Zhong Chen

A novel, efficient and green MOFs-templated sulfidation route has been developed to synthesize Cu(1.96)S-C hybrid composites, in which ultrafine Cu(1.96)S nanoparticles are embedded uniformly within porous carbon octahedra. The as-synthesized composites exhibit high specific capacitance and good cycling performance in supercapacitors.

Journal: :Nanoscale 2013
John A Medford Aaron C Johnston-Peck Joseph B Tracy

Size-dependent nanostructural transformations occurring during the H(2)-mediated reduction of hollow and porous NiO nanoparticles were investigated for controlled nanoparticle sizes of ~10 to 100 nm. Transmission electron microscopy reveals that the location and number of reduction sites strongly depend on the nanoparticle size and structure.

Journal: :Chemical communications 2012
Ling-Shu Wan Qing-Lian Li Peng-Cheng Chen Zhi-Kang Xu

Patterned porous films containing enzymes have been facilely prepared via a one-step breath figure process, which is based on the self-assembly of horseradish peroxidase nanoparticles that show good resistance to organic solvents. The patterned biohybrid films possess robust catalytic activity.

Journal: :Advanced materials 2016
Jinyoung Kang Jinmyoung Joo Ester J Kwon Matthew Skalak Sazid Hussain Zhi-Gang She Erkki Ruoslahti Sangeeta N Bhatia Michael J Sailor

Calcium ions react with silicic acid released from dissolving porous silicon nanoparticles to create an insoluble calcium silicate shell. The calcium silicate shell traps and protects an siRNA payload, which can be delivered to neuronal tissues in vitro or in vivo. Gene delivery is enhanced by the action of targeting and cell-penetrating peptides attached to the calcium silicate shell.

In this work, porous nanoparticles of ferrite cobalt were prepared by dissolving CoCl2.6H2O and FeCl3 in ethylene glycol in a hydrothermal process. Using ethylene glycol instead of DI water as a solvent would cause to provide porous structure of ferrite cobalt. 0.05 ml of colloidal fluid of fabricated nanostructure was injected on interdigitated electrodes (IDE) on a printed circuit board (PCB)...

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