Study of blend composition of nano silica under the influence of neutron flux

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Abstract

Nano SiO ₂ compound with 160 m ²/g specific surface area and 20 nm sizes has been irradiated continuously with neutron flux up to 20 hours in various periods in TRIGA Mark II type research reactor. The initial activities of different type radionuclides defined in the result of eight day activity analysis changes between wide range of 1,5 kBq- 1,5GBq. In the result of activity analysis carried out after the irradiation, the element content of 0,5% mixture existing in nano SiO ₂ compound has been defined with radionuclides of relevant element. It has been defined percentage amounts of elements in blend composition according to the performed activities.

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Synthesis of Silica Nanoparticles by Sol-Gel: Size-Dependent Properties, Surface Modification, and Applications in Silica-Polymer Nanocomposites—A Review

Vejayakumaran Padavettan, Ismail Rahman (2012)

Application of silica nanoparticles as fillers in the preparation of nanocomposite of polymers has drawn much attention, due to the increased demand for new materials with improved thermal, mechanical, physical, and chemical properties. Recent developments in the synthesis of monodispersed, narrow-size distribution of nanoparticles by sol-gel method provide significant boost to development of silica-polymer nanocomposites. This paper is written by emphasizing on the synthesis of silica nanoparticles, characterization on size-dependent properties, and surface modification for the preparation of homogeneous nanocomposites, generally by sol-gel technique. The effect of nanosilica on the properties of various types of silica-polymer composites is also summarized.

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Computational analysis of irradiation facilities at the JSI TRIGA reactor.

Luka Snoj, Gašper Žerovnik, Andrej Trkov (2012)

Characterization and optimization of irradiation facilities in a research reactor is important for optimal performance. Nowadays this is commonly done with advanced Monte Carlo neutron transport computer codes such as MCNP. However, the computational model in such calculations should be verified and validated with experiments. In the paper we describe the irradiation facilities at the JSI TRIGA reactor and demonstrate their computational characterization to support experimental campaigns by providing information on the characteristics of the irradiation facilities.

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Effect of silica nanoparticles with variable size and surface functionalization on human endothelial cell viability and angiogenic activity

Daniela Guarnieri, Maria Malvindi, Valentina Belli … (2014)

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Author and article information

Contributors

Elchin Huseynov: hus.elchin@yahoo.com

Adil Garibov: hus.elchin@yahoo.com

Ravan Mehdiyeva: hus.elchin@yahoo.com

Journal

Journal ID (nlm-ta): Nano Converg

Journal ID (iso-abbrev): Nano Converg

Title: Nano Convergence

Publisher: Korea Nano Technology Research Society (Seoul )

ISSN (Electronic): 2196-5404

Publication date (Electronic): 2 August 2014

Publication date PMC-release: 2 August 2014

Publication date (Print): 2014

Volume: 1

Issue: 1

Electronic Location Identifier: 21

Affiliations

Institute of Radiation Problems of Azerbaijan National Academy of Sciences, AZ 1143, B. Vahabzadeh 9, Baku, Azerbaijan

Article

Publisher ID: 21

DOI: 10.1186/s40580-014-0021-7

PMC ID: 5271144

SO-VID: c0cdcea5-09b9-47fe-8c58-b1e47ae05e83

License:

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

History

Date received : 26 April 2014

Date accepted : 15 June 2014

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Keywords: nanopowder,nano silica,nanomaterial,neutron activation analysis,neutron irradiation,radioactivity,radioisotopes,81.07.wx,61.46. + w,61.80.hg,28.20.fc,92.20.td

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Keywords: nanopowder, nano silica, nanomaterial, neutron activation analysis, neutron irradiation, radioactivity, radioisotopes, 81.07.wx, 61.46. + w, 61.80.hg, 28.20.fc, 92.20.td

Study of blend composition of nano silica under the influence of neutron flux

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Most cited references 31

Synthesis of Silica Nanoparticles by Sol-Gel: Size-Dependent Properties, Surface Modification, and Applications in Silica-Polymer Nanocomposites—A Review

Computational analysis of irradiation facilities at the JSI TRIGA reactor.

Effect of silica nanoparticles with variable size and surface functionalization on human endothelial cell viability and angiogenic activity

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