نتایج جستجو برای: nano structured materials

تعداد نتایج: 602431  

Journal: :ES energy & environment 2023

Poly(2,5 dimethoxyaniline) and Platinum (PDMA@ Pt) nanocomposite electrode was fabricated by the electrochemical method. PDMA@ Pt nano electrocatalyst size is around 150-200 nm. having electrocatalytic activity towards methanol oxidation reaction.

2002
Gregory M. Odegard Lee M. Nicholson Kristopher E. Wise

A method has been proposed for developing structure-property relationships of nano-structured materials. This method serves as a link between computational chemistry and solid mechanics by substituting discrete molecular structures with equivalent-continuum models. It has been shown that this substitution may be accomplished by equating the molecular potential energy of a nano-structured materi...

2017
Amina Rhouati Gonca Bulbul Usman Latif Akhtar Hayat Zhan-Hong Li Jean Louis Marty

Recent years have witnessed an overwhelming integration of nanomaterials in the fabrication of biosensors. Nanomaterials have been incorporated with the objective to achieve better analytical figures of merit in terms of limit of detection, linear range, assays stability, low production cost, etc. Nanomaterials can act as immobilization support, signal amplifier, mediator and artificial enzyme ...

Journal: :Nature nanotechnology 2007
Leonard F Pease Paru Deshpande Ying Wang William B Russel Stephen Y Chou

Periodic micro- and nanostructures (gratings) have many significant applications in electronic, optical, magnetic, chemical and biological devices and materials. Traditional methods for fabricating gratings by writing with electrons, ions or a mechanical tip are limited to very small areas and suffer from extremely low throughput. Interference lithography can achieve relatively large fabricatio...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Mark W Tibbitt Christopher B Rodell Jason A Burdick Kristi S Anseth

Biomaterials that interface with biological systems are used to deliver drugs safely and efficiently; to prevent, detect, and treat disease; to assist the body as it heals; and to engineer functional tissues outside of the body for organ replacement. The field has evolved beyond selecting materials that were originally designed for other applications with a primary focus on properties that enab...

2016
F. J. Rawson M. T. Cole J. M. Hicks J. W. Aylott W. I. Milne C. M. Collins S. K. Jackson N. J. Silman P. M. Mendes

With the rapidly increasing demands for ultrasensitive biodetection, the design and applications of new nano-scale materials for development of sensors based on optical and electrochemical transducers have attracted substantial interest. In particular, given the comparable sizes of nanomaterials and biomolecules, there exist plenty of opportunities to develop functional nanoprobes with biomolec...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
ghodsi mohammadi ziarani somayeh mousavi negar lashgari alireza badiei monireh shakiba

1,8-dioxo-decahydroacridines have been synthesized by the three-component reaction of aromatic aldehydes, aromatic amines (or ammonium acetate), and dimedone in the presence of sulfonic acid functionalized nanoporous silica (sba-pr-so3h) under solvent-free conditions. excellent yields, short reaction times, mild reaction conditions, and easy work-up procedures are advantages of this green method.

2013
Nagesh R Iyer

Nano science and technology is a new field of emergence in materials science and engineering, which forms the basis for evolution of novel technological materials. Nano technology finds application in various fields of science and technology. This article presents a critical review of the literature on the influence of nano silica in concrete and its application for the development of sustainab...

2016
Na Liu Feifei Wang Lianqing Liu Haibo Yu Shaorong Xie Jun Wang Yuechao Wang Gwo-Bin Lee Wen J. Li

The synthesis and assembly of components are key steps in micro/nano device manufacturing. In this article, we report an optically controlled assembly method that can rapidly pattern micro/nano devices by directly assembling ions and nanomaterials without expensive physical masks and complex etching processes. Utilizing this controllable process, different types of device components (e.g., meta...

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