نتایج جستجو برای: nanohybrid

تعداد نتایج: 779  

Journal: :Nanoscale 2015
Yoochan Hong Seungyeon Hwang Dan Heo Bongjune Kim Minhee Ku Eugene Lee Seungjoo Haam Dae Sung Yoon Jaemoon Yang Jin-Suck Suh

A synthetic process for constructing an organo-metal nanohybrid is described. This process uses polyaniline as a ligand in order to fabricate magnetic nanoparticles. This nanohybrid shows imaging potential uses as a magnetic resonance imaging contrast agent and a redox-sensing probe simultaneously both in vitro and in vivo.

2016
Nimesh Shah Pallabita Basu Praveen Prakash Simon Donck Edmond Gravel Irishi N. N. Namboothiri Eric Doris

A supramolecular heterogeneous catalyst was developed by assembly and stabilization of gold nanoparticles on the surface of carbon nanotubes. A layer-by-layer assembly strategy was used and the resulting nanohybrid was involved in the catalytic oxidation of hydroxylamines under mild conditions. The nanohybrid demonstrated high efficiency and selectivity on hydroxylamine substrates.

Journal: :Nanoscale 2016
Yimin Sun Huaming Zheng Chenxu Wang Mengmeng Yang Aijun Zhou Hongwei Duan

Here we fabricate a new type of flexible and versatile nanohybrid paper electrode by ultrasonic-electrodeposition of PtPd alloy nanoparticles on freestanding ionic liquid (IL)-functionalized graphene paper, and explore its multifunctional applications in electrochemical catalysis and sensing systems. The graphene-based paper materials demonstrate intrinsic flexibility, exceptional mechanical st...

2016
Goeun Choi Huiyan Piao Zeid A Alothman Ajayan Vinu Chae-Ok Yun Jin-Ho Choy

Methotrexate (MTX), an anticancer agent, was successfully intercalated into the anionic clay, layered double hydroxides to form a new nanohybrid drug. The coprecipitation and subsequent hydrothermal method were used to prepare chemically, structurally, and morphologically well-defined two-dimensional drug-clay nanohybrid. The resulting two-dimensional drug-clay nanohybrid showed excellent collo...

Journal: :Nanoscale 2015
Adina Morozan Simon Donck Vincent Artero Edmond Gravel Eric Doris

A carbon nanotube-gold nanohybrid was used as catalyst for the reduction of molecular oxygen in acidic and alkaline media, the relevant cathode reaction in fuel cells. In alkaline medium, the nanohybrid exhibits excellent activity with a dominant 4e(-) reduction of O2 and low overpotential requirement compared to previously reported nano-gold materials. This property is linked to its capability...

2015
Tao Liu Quan-Fu An Qiang Zhao Jia-Kai Wu Yi-Hu Song Bao-Ku Zhu Cong-Jie Gao

Hydrophilic polymers have garnered much attention due to their critical roles in various applications such as molecular separation membranes, bio-interfaces, and surface engineering. However, a long-standing problem is that their mechanical properties usually deteriorate at high relative humidity (RH). Through the simultaneous incorporation of functionalized carbon nanotubes and copper ions (Cu...

Journal: :Nanoscale 2015
Roghayeh Imani Meysam Pazoki Ashutosh Tiwari G Boschloo Anthony P F Turner V Kralj-Iglič Aleš Iglič

Novel mesoporous TiO2@DNA nanohybrid electrodes, combining covalently encoded DNA with mesoporous TiO2 microbeads using dopamine as a linker, were prepared and characterised for application in supercapacitors. Detailed information about donor density, charge transfer resistance and chemical capacitance, which have an important role in the performance of an electrochemical device, were studied b...

Journal: :Dental materials journal 2015
Shaymaa E Elsaka

This study evaluated the repair bond strength of a nanohybrid resin composite to a novel CAD/CAM hybrid ceramic based on four intraoral ceramic repair systems. Vita Enamic (VE) CAD/CAM hybrid ceramic was used in this study. Specimens were divided into five test groups according to the repair method performed on the ceramic surface: Gr C (No treatment; control); Gr CZ (Cimara Zircon); Gr PR (Por...

2015
Farahnaz Sharafeddin Mehran Motamedi Zahra Fattah

STATEMENT OF THE PROBLEM Composite resin may be used in different temperatures; it is crucial to determine the effect of temperature on mechanical properties of nanohybrid and silorane-based composite. PURPOSE This in vitro study compared the flexural strength and modulus of elasticity of nanohybrid and silorane-based resin composite, at 4˚C, room temperature (25˚C), and 45˚C. MATERIALS AND...

Journal: :The Analyst 2014
Kui Zhang Lei Yang Houjuan Zhu Fang Ma Zhongping Zhang Suhua Wang

Herein, for the detection of highly explosive 2,4,6-trinitrotoluene (TNT) instantly and on-site, a fluorescence ratiometric probe using a dual-emission nanohybrid has been developed. The nanohybrid comprises blue-colored fluorescent graphene oxide (FGO) being conjugated with red-emitting manganese-doped ZnS nanocrystals (ZnS:Mn NCs), the latter being functionalized with hexamethylenediamine. Th...

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