نتایج جستجو برای: sio2 nanoparticle

تعداد نتایج: 44420  

Afshin Ghanbarzadeh Aminreza Noghrehabadi Mehdi Ghalambaz Mohammad Ghalambaz

In the present paper, the flow and heat transfer of two types of nanofluids, namely, silver-water and silicon dioxide-water, were theoretically analyzed over an isothermal continues stretching sheet. To this purpose, the governing partial differential equations were converted to a set of nonlinear differential equations using similarity transforms and were then analytically solved. It was found...

D. Struve H. Askari M. Akbarinia M. Rahaie M. Zarafshar S. M. Hosseini

To date, the effects of nanoparticles on woody plants remain unaddressed. This study reveals some of the physiological and biochemical effects of SiO2 nanoparticles on wild pear seedlings. The seedlings were irrigated with different concentrations of nano silica (0, 10, 100, 500 and 1000 mg/l) for 14 days. Nanoparticle adsorption and absorption, biomass allocation, gas exchange, relative water ...

Journal: :Indonesian Journal of Electrical Engineering and Computer Science 2018

Journal: :Middle black sea journal of health science 2022

Objective: Periodontal disease is an essential phenomenon in human health. Oral pathogens can cause severe break which may show the way to serious issues like chronic obstructive pulmonary and cardiovascular diseases. Therefore, aim of this study evaluate antibacterial effect a series nanoparticles on oral pathogens.Methods: In study, activity such as MWCNT, CuO2, CaCO3, SiO2, Al2O3, MgO ZrO2 a...

2017
Lasse Højlund Thamdrup Fredrik Persson Henrik Bruus Anders Kristensen Henrik Flyvbjerg

2018
Lipeng Gao Jing Yu Yang Liu Jinge Zhou Lei Sun Jing Wang Jianzhong Zhu Hui Peng Weiyue Lu Lei Yu Zhiqiang Yan Yiting Wang

The conventional chemotherapeutics could not be traced in vivo and provide timely feedback on the clinical effectiveness of drugs. Methods: In this study, a tumor-penetrating peptide RGERPPR (RGE) modified, Gd-DTPA conjugated, and doxorubicin (DOX) loaded Fe3O4@SiO2@mSiO2 nanoparticle drug delivery system (Fe3O4@SiO2@mSiO2/DOX-(Gd-DTPA)-PEG-RGE NPs) was prepared for tumor theranostics. Results:...

2011
D. J. Sprouster R. Giulian L. L. Araujo P. Kluth B. Johannessen D. J. Cookson M. C. Ridgway

The shape and structural evolution of Co nanoparticles embedded in SiO2 and subjected to swift heavy-ion irradiation have been investigated over a wide energy and fluence range. Modifications of the nanoparticle size and shape were characterized with transmission electron microscopy and small-angle x-ray scattering. Nanoparticles below a threshold diameter remained spherical in shape and progre...

Journal: :Biomaterials science 2015
Usawadee Sakulkhu Morteza Mahmoudi Lionel Maurizi Geraldine Coullerez Margarethe Hofmann-Amtenbrink Marcel Vries Mahdi Motazacker Farhad Rezaee Heinrich Hofmann

As nanoparticles (NPs) are increasingly used in many applications their safety and efficient applications in nanomedicine have become concerns. Protein coronas on nanomaterials' surfaces can influence how the cell "recognizes" nanoparticles, as well as the in vitro and in vivo NPs' behaviors. The SuperParamagnetic Iron Oxide Nanoparticle (SPION) is one of the most prominent agents because of it...

2014
Ciceron Ayala-Orozco Cordula Urban Mark W. Knight Alexander Skyrme Urban Oara Neumann Sandra W. Bishnoi Shaunak Mukherjee Amanda M. Goodman Heather Charron Tamika Mitchell Martin Shea Ronita Roy Sarmistha Nanda Rachel Schiff Naomi J. Halas Amit Joshi

Au nanoparticles with plasmon resonances in the near-infrared (NIR) region of the spectrum efficiently convert light into heat, a property useful for the photothermal ablation of cancerous tumors subsequent to nanoparticle uptake at the tumor site. A critical aspect of this process is nanoparticle size, which influences both tumor uptake and photothermal efficiency. Here, we report a direct com...

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