نتایج جستجو برای: nanostructured

تعداد نتایج: 16720  

2009
Zhaohui Dong Yang Song

Two morphologies of nanostructured tin dioxide (SnO2) (i.e., nanobelts and nanowires) were compressed in diamond anvil cells up to 38 GPa followed by decompression. In situ Raman spectroscopy and synchrotron X-ray diffraction were employed to monitor the structural transformations. It was found that nanostructured SnO2 behaved drastically differently than bulk material in terms of transformatio...

2017
Manel López

The need for miniaturized, low-cost and ultrasensitive electrochemical sensors has motivated the search and study of new nanostructured materials. We propose nanostructured indium tin oxide (ITO) electrodes as a promising platform due to their good electrical conductivity, transparency to visible wavelengths and high surface-to-volume ratio. The nanostructured electrodes were fabricated by elec...

Journal: :Frontiers in bioscience 2013
Prem Chandra Pandey Dheeraj Singh Chauhan Vandana Singh

In recent years, nanostructured materials have emerged as potential candidates offering excellent prospects for interfacing the detection of biomolecules. Nanomaterials such as nanoparticles, nanostructured silicates, nano-sized metal oxides, nanostructured polymers, quantum dots, nanocomposites and sensing nanodevices are being utilized worldwide for fabrication of chemical sensors and sensor ...

2014
Sang-Hoon Park Seung-Beom Yoon Hyun-Kyung Kim Joong Tark Han Hae-Woong Park Joah Han Seok-Min Yun Han Gi Jeong Kwang Chul Roh Kwang-Bum Kim

Recent studies on supercapacitors have focused on the development of hierarchical nanostructured carbons by combining two-dimensional graphene and other conductive sp(2) carbons, which differ in dimensionality, to improve their electrochemical performance. Herein, we report a strategy for synthesizing a hierarchical graphene-based carbon material, which we shall refer to as spine-like nanostruc...

In this study, the effects of mechanical milling and YSZ reinforcing on oxidation behavior of CoNiCrAlY coatings were investigated. Various amounts of YSZ particles (0%, 5%, 10% and 15 wt.%) were mixed with commercial CoNiCrAlY powder and milled for 24 hrs. Then, the mechanically milled and commercial powders were deposited on Inconel 617 substrate using High Velocity Oxygen-Fuel (HVOF) process...

Eslami, A., Karimzadeh, F., Zohoori-Shoar, V. ,

In this study, The Al 6061 alloy sheets were produced by Cryorolling process and then were welded by resistance spot welding method. In this regard, the solution treated Al 6061 alloy cryorolled subsequently up to 90% reduction in thickness to produce nanostructure alloy. The cryorolled sheets were then subjected to aging treatment (130˚C-30h) in order to obtain simultaneous strength and ductil...

2014
Viviana Scuderi Giuliana Impellizzeri Lucia Romano Mario Scuderi Giuseppe Nicotra Kristin Bergum Alessia Irrera Bengt G Svensson Vittorio Privitera

The photocatalytic efficiency of a thin-film TiO2-coated nanostructured template is studied by dye degradation in water. The nanostructured template was synthesized by metal-assisted wet etching of Si and used as substrate for the deposition of a thin film of TiO2 (10 nm thick) by atomic layer deposition. A complete structural characterization was made by scanning and transmission electron micr...

Journal: :Advanced materials 2011
Jonas Weickert Ricky B Dunbar Holger C Hesse Wolfgang Wiedemann Lukas Schmidt-Mende

This Progress Report highlights recent developments in nanostructured organic and hybrid solar cells. The authors discuss novel approaches to control the film morphology in fully organic solar cells and the design of nanostructured hybrid solar cells. The motivation and recent results concerning fabrication and effects on device physics are emphasized. The aim of this review is not to give a su...

Journal: :Current pharmaceutical design 2015
Javier O Morales Sabrina Sepulveda-Rivas Felipe Oyarzun-Ampuero Sergio Lavandero Marcelo J Kogan

Applications of polymeric nanotechnologies for enabling therapies for cardiovascular diseases have shown recent success. Both intravenous and oral administration have been investigated and achieved different degrees of development. While circulating polymeric nanostructured carriers are subjected to a number of interactions, smart nanoparticle design has enabled the formulation of active molecu...

2015
Bruna Vidal Bonifácio Matheus Aparecido dos Santos Ramos Patrícia Bento da Silva Kamila Maria Silveira Negri Érica de Oliveira Lopes Leonardo Perez de Souza Wagner Vilegas Fernando Rogério Pavan Marlus Chorilli Taís Maria Bauab

The genus Astronium (Anacardiaceae) includes species, such as Astronium fraxinifolium, Astronium graveolens, and Astronium urundeuva, which possess anti-inflammatory, anti-ulcerogenic, healing, and antimicrobial properties. Nanostructured lipid systems are able to potentiate the action of plant extracts, reducing the required dose and side effects and improving antimicrobial activity. This work...

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