نتایج جستجو برای: surface nano modification

تعداد نتایج: 789998  

Journal: :Catalysts 2023

Kaolinite clay mineral with a layered silicate structure is an abundant resource in China. Due to its advantages of excellent stability, high specific surface area and environmental friendliness, kaolinite widely used environment decontamination. By using as carrier, the photocatalytic technology pure photocatalysts poor activities, narrow spectral responses, limited electron transport can be o...

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Granulation method in the mixture of oil, water, and PVA was used to synthesize HA/βTCP porous nano-powders. Results showed that the presence of oil in PVA/oil system results in crystallization of mesoporous HA/βTCP particles with the surface area of 93 cm2/g. Using Rietveld method, the amounts of HA/βTCP and amorphous phases in the oven-dried PVA substrate powders after heat-treatment were cal...

Nano science and nanotechnology have revolutionized all aspects in the endodontic field. The aim of the present study was to describe the application of nanotechnology in endodontics by reviewing the literature.The application of nanomaterials, with a smaller size, for surface modification has reduced the incidence of failure in the rotary nickel-titanium files. Nanoparticles with the ability o...

In the present investigation surface modification of silica nanoparticles by alumina was carried out by sol-gel process. Fourier transform infrared (FTIR) and X-ray fluorescence (XRF) confirmed the synthesis of silica and the surface modification as alumina is anchored to silica surface. Field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM) investigation...

In the present investigation surface modification of silica nanoparticles by alumina was carried out by sol-gel process. Fourier transform infrared (FTIR) and X-ray fluorescence (XRF) confirmed the synthesis of silica and the surface modification as alumina is anchored to silica surface. Field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM) investigation...

A. Doustgani E. Ahmadi M. Ghasemnejad S. Hashemikia Z. Mohamadnia

Mesoporous silica nanoparticles with unique structure (SBA-15) were synthesized and modified by [3-(2-Aminoethylamino) propyl] trimethoxysilane (AEAPTMS). The synthesized nanoparticles were characterized by TGA, N‌2‌ adsorption, SEM, FTIR, CHN elemental analysis. The total weight loss for the modified SBA-15 is 15.2% and thermal analysis reveal...

Journal: :Journal of The Mechanical Behavior of Biomedical Materials 2021

Biomedical implant rejection due to micromotion and inflammation around an leads osteolysis eventually has failure because of poor osseointegration. To enhance osseointegration, the surface modification both at nano micro-scale levels is preferred result in enhanced interface between body tissue implant. The present study focuses on Titanium (?+?) ELI medical grade alloy using powder-mixed elec...

2012
Masakuni Sugita Shinya Sakuma Fumihito Arai

We succeeded in fabrication of a free accessible microchannel using an air-liquid interface. To pattern the air-liquid interface in the microfluidic chip, we utilized nano-geometric surface which encloses micropatterned massive nanopillars to enhance the wettability of the surface, which was fabricated by using the hybrid mask lithography technique. Novelties of this paper are shown as follows....

In this work, we report on the synthesis of superparamagnetic iron oxide nanoparticles at room temperature using microemulsion template phase consisting of cyclohexane, water, CTAB as cationic surfactant and butanol as a cosurfactant. Surface modification have been carried out by using poly(ethyleneglycol) (PEG). The structure,morphology, and magnetic properties of the products were characteriz...

Medical polymers, such as urinary catheters are widely used biomaterials. One of the main problem for using the urinary catheters is biofilm formation on their surface, when they are used in a long time in the body. Virulence and pathogenicity of Staphylococcus epidermidis is often enhanced when growing as a biofilm. Many techniques have been presented to reduce the biofilm formation by surface...

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