نتایج جستجو برای: hybrid nano composite

تعداد نتایج: 354462  

بابایی پور, منوچهر , بهاری, علی , سلطانی, سید باقر ,

Al2O3/PVP nano-hybrid composite samples are synthesized using sol-gel method at 75°C. Weight percent of poly 4-vinyl phenol and aluminum oxide is 0.0, 0.28, 0.56, and 0.84. To study the nano-structural and electrical characteristics, X-ray diffraction, Fourier transfer infrared radiation, scanning electron microscopy, and atomic force microscopy are used. Dielectric constant of the samples is m...

A Azizi, D Harandi, M Aghajani, MS Nazari , S lawaf, S NematiAnaraki, SM Aazaminejad,

Background and Aim: Due to the increasing use of restorative materials, finding a suitable material with low adhesion rate and colonization of pathogenic Streptococcus mutans has a significant importance. The purpose of this study was the comparison of the adhesion rate of Streptococcus mutans to “Nano-hybrid composite” and “Amalgam” at 1, 3, and 7 day intervals. Method...

Journal: :nanomedicine journal 0
maasoumeh khatamiana norganic chemistry department, faculty of chemistry, university of tabriz, tabriz, iranسازمان اصلی تایید شده: دانشگاه تبریز (tabriz university) baharak divband norganic chemistry department, faculty of chemistry, university of tabriz, tabriz, iran research center for pharmaceutical nanotechnology, tabriz university of medical sciences, tabriz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences) mahdieh daryana norganic chemistry department, faculty of chemistry, university of tabriz, tabriz, iranسازمان اصلی تایید شده: دانشگاه تبریز (tabriz university)

objective(s): binary hybrids of chitosan-zeolite have many interesting applications in separation and bacteriostatic activity. materials and methods: template free zsm-5 zeolite was synthesized by hydrothermal method, physical hydrogels of nano chitosan in the colloidal domain were obtained in the absence of toxic organic solvent and then nano chitosan/zsm-5 hybrid composites with nano chitosan...

2016
Praveen Kumar

During the past few decades, materials design has shifted emphasis to pursue low cost, quality, light weight, environment friendliness, and performance. Aluminium matrix composites are important class of engineering materials used in aerospace, automotive, engineering, defence and other industries because of their lower density, higher specific strength, and better physical and mechanical prope...

2017
Kanşad Pala Neslihan Tekçe Safa Tuncer Mustafa Demirci Fatih Öznurhan Merve Serim

BACKGROUND This study aimed to evaluate the flexural strength and microhardness of three different anterior composites after 10 000 thermocycles. MATERIAL AND METHODS The mechanical properties of a nano-fill composite (Filtek Ultimate Universal Restorative (FUR) (Enamel)), a nano-hybrid composite (Clearfil Majesty ES2 (ES2) (Enamel)), and a micro-hybrid composite (G Aenial Anterior (GAA)) wer...

2010
Brigitte Zimmerli Matthias Strub Franziska Jeger Oliver Stadler Adrian Lussi

After the establishment of composite as a restorative material, there was an attempt to categorise the different composite types according to filler size (Lutz & Philips 1983). This classification does not do justice to today’s composites, since most of the composite materials belong to the nanocomposites, nano-filled composites, nano-filled hybrid composites or micro-hybrid composites. Althoug...

2015
Beom Su Kim Ko Eun Park Min Hee Kim Hyung Keun You Jun Lee Won Ho Park

The broad application of electrospun nanofibrous scaffolds in tissue engineering is limited by their small pore size, which has a negative influence on cell migration. This disadvantage could be significantly improved through the combination of nano- and microfibrous structure. To accomplish this, different nano/microfibrous scaffolds were produced by hybrid electrospinning, combining solution ...

Journal: Nanomedicine Journal 2016
Baharak Divband Maasoumeh Khatamiana Mahdieh Daryana

Objective(s): Binary hybrids of chitosan-zeolite have many interesting applications in separation and bacteriostatic activity. Materials and Methods: Template free ZSM-5 zeolite was synthesized by hydrothermal method, physical hydrogels of nano chitosan in the colloidal domain were obtained in the absence of toxic organic solvent and then nano chitosan/ZSM-5 hybrid composites with nano chitosan...

2011
NADIA MALEK

The aim of the laboratory study was to evaluate the degree of conversion (DC) and surface hardness of two nanofilled resin composite restorative materials compared to three other tooth-colored restorative materials. A light-emitting diode curing unit was used to photo-activate a hybrid composite (FiltekTM Z250), two nanofilled composites (Tetric® EvoCeram, FiltekTM Supreme XT), a nano-ionomer (...

Arjomand1, Mansouri, hourizad, maryam, kharazi fard, mohammad javad, Shabani, Mohaddesh , yeganefar, maryam,

Abstract Background & Aim: Considering the widespread use of composite restorations and the provision of nanocomposites on one side and the common use of mouthwashes, there are concerns about the microhardness of composites and their known complications following mouthwashes. So, the present study was aimed to compare the effect of two mouthwash with alcohol and without alcohol on microhardness...

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