نتایج جستجو برای: nanoporous graphene

تعداد نتایج: 55192  

2014
Fu-Juan LIU Ji-Huan HE Lan XU Ping WANG

Recently, nanoporous fibers have been caught much attention as the most promising material in nanotechnology. To our knowledge, nanoporous materials have extremely high surface area and are widely used in different fields, such as filtration, radiation protection, catalysis, sensors, tissue engineering, and drug delivery [1-2]. Electrospinning is an effective method, which can fabricate polymer...

2013
YUQUAN HAO SHUJUN LI XUESONG HAN YULIN HAO HONGJUN AI

The aim of the present study was to investigate the effects of the surface characteristics of nanoporous titanium oxide films, formed by anodization on Ti-24Nb-4Zr-8Sn (Ti2448) alloy, on the early adhesion of osteoblast-like MG-63 cells. Nanoporous titanium oxide films with two different pore sizes (30 and 90 nm) were formed by anodization in NH4F solution on Ti2448 alloy. The surface roughness...

Journal: :Food Quality and Safety 2022

Abstract A microelectrode glucose biosensor based on a three-dimensional hybrid nanoporous platinum/graphene oxide nanostructure was developed for rapid detection of tomato and cucumber fruits. The fabricated by two-step modification method loading larger amount oxidase. structure prepared the surface platinum electrochemical etching, then graphene deposited electrode deposition. had advantage ...

Journal: :Chemistry 2015
Lin Cui Jie Wu Huangxian Ju

A BiNPs@NPCGS nanocomposite was designed for highly efficient detection of multiple heavy-metal ions by in situ synthesis of bismuth-nanoparticle (BiNP)-enriched nanoporous carbon (NPS) on graphene sheet (GS). The NPCGS was prepared by pyrolysis of zeolitic imidazolate framework-8 (ZIF-8) nanocrystals deposited on graphene oxide and displayed a high surface area of 1251 m(2)  g(-1) and a pore s...

Journal: :journal of nanostructures 2014
r. majidi a. r. karami

to explore the possibility of using graphene based biosensor, adsorption of hydrogen peroxide on graphene has been investigated using density functional theory. the electronic properties of defect free and defective graphene in the presence of different number of hydrogen peroxide have been studied. the graphene with the most stable configuration defect named as sw defect is considered. the hig...

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