Volume 4, Issue 2
مرور بر اساس
ارسال های اخیر
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Highly Sensitive Detection of H2S Molecules Using a TiO2-Supported Au Overlayer Based Nanosensors: A Van Der Waals Corrected DFT Study
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)The adsorption of the H2S molecule on the undoped and N-doped TiO2 anatase supported Au nanoparticles were studied using density functional theory calculations. The adsorption of H2S on both Au and TiO2 sides of the ...
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Encapsulation of Methane Molecules into C60 Fullerene Nanocage: DFT and DTFB-MD Simulations
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)Extensive urbanization has greatly raised the demand for cleaner coal- and petroleum-derived fuels. Mainly composed of methane, natural gas represents a promising alternative for this purpose, making its storage a significant ...
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Esterification of Waste Cooking Oil Followed by Transesterification by CaO Nanoparticles: Application of Taguchi Methodology
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)In order to produce biodiesel from waste cooking oil and optimize its yield, a two-stage process of esterification/ transesterification has been used in this study. First, we used the acidic catalysts H2SO4 in order to ...
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Removal of methylene blue using polyacrylic acid/ octavinyl polyhedral oligomeric silsesquioxane nanocomposite
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)Polyacrylic acid/ octavinyl polyhedral oligomeric silsesquioxane, nanocomposite hydrogel with 3-D network was synthesized via radical polymerization. Octavinyl polyhedral oligomeric silsesquioxane was used as crosslinker ...
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Biogenic Synthesis of Silver Nanoparticles Using Fruit Aqueous Extract of Psidium Guajava and Its Antibacterial Activity
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)One plant seed extract (Psidium guajava) was screened for their bioreduction behavior for synthesis of silver nanoparticles. Psidium guajava (PG) was found to exhibit the good reducing and protecting action in terms of ...
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Determination of Acetaminophen Via TiO2/MWCNT Modified Electrode
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)Electrochemical behaviour of acetaminophen at the multi wall carbon nanotubes/titanium dioxide (MWCNT/TiO2) composite film modified glassy carbon electrode (GCE) via solvent casting method was studied. It is shown that the ...
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The Analysis of Coulomb Blockade in Fullerene Single Electron Transistor at Room Temperature
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)The Graphene based single electron transistor (SET) as a coulomb blockade device need to be explored .It is a unique device for high-speed operation in a nano scale regime. A single electron transfers via the coulomb ...
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The Study of Thermal Conductivity Silver/Water Nanofluid
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)In present study, the thermal conductivity of silver/water nanofluid was investigated experimentally. Four different volume concentrations of nanofluids (2, 3, 5 and 10%) were prepared by dispersing silver nanoparticles ...
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Nano Analysis in Biochemistry: In Vitro Separation and Determination of Aluminium in Blood of Dialysis Patients Based on Graphene Oxide Nanoparticles Dispersed to Ionic Liquid
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)The highest concentration of aluminium (Al) in human blood has toxic effect and so, extraction from human body is very important. In this procedure, an efficient and new method based on graphene oxide nanoparticles (GONPs) ...
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Synthetic Application of Magnetic Nanocomposite Fe3O4@PEG-Au as a Heterogeneous and Reusable Nanocatalyst in The Suzuki Coupling Reactions
(Tehran Medical Sciences, Islamic Azad University, Tehran, Iran, 2017-06-01)In the present study, we carried out chemical synthesis and characterization of Fe3O4@PEG-Au as a magnetic nanocomposite in aqueous solution by chemical co-precipitation of Fe3+ and Fe2+ ions and encapsulated by poly ...
