International Nano Letters
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Thermocapillary flow of thin Cu-water nanoliquid film during spin coating process
International Nano Letters - Tập 7 - Trang 9-23 - 2017
Unsteady flow of thin Cu-water nanoliquid film over a horizontal rotating disk is studied numerically using finite difference technique under the assumption of planar interface. It is also assumed that the disk is cooling axisymmetrically from below. The effects of the nanolayer thickness and nanoparticle radius are considered for investigation. It is found that the film thinning rate decreases wi......
Facile fabrication and characterization of chitosan-based zinc oxide nanoparticles and evaluation of their antimicrobial and antibiofilm activity
International Nano Letters - Tập 4 - Trang 1-11 - 2014
The present investigation deals with the facile synthesis and characterization of chitosan (CTS)-based zinc oxide (ZnO) nanoparticles (NPs) and their antimicrobial activities against pathogenic microorganisms. ZnO–CTS NPs were synthesized through two different methods: nano spray drying and precipitation, using various organic compounds (citric acid, glycerol, starch and whey powder) as stabilizer......
Preparation and characterization of SnO2 nanoparticles by hydrothermal route
International Nano Letters - Tập 2 - Trang 1-5 - 2012
This paper demonstrates the synthesis of SnO2 nanoparticles using a simple hydrothermal route in the presence of the surfactant hydrazine at 100 °C for 12 h. X-ray diffraction (XRD), field emission scanning electron microscopy, and transmission electron microscopy (TEM) were employed to characterize the as-prepared product, and optical property was studied by UV-visible diffuse reflectance spectro......
Molecular interactions between PAMAM dendrimer and some medicines that suppress the growth of hepatitis virus (Adefovir, Entecavir, Telbivudine, Lamivudine, Tenofovir): a theoretical study
International Nano Letters - Tập 9 - Trang 231-244 - 2019
Viral hepatitis is a common viral infection, can be dangerous, involves the body and leads to inflammation and destruction of tissue and normal function of the liver. Viral hepatitis is a major cause of premature death in human beings. According to the World Health Organization, it was assumed that there are more than 385 and 170 million carriers of hepatitis B and C in the world, respectively, an......
Choice of precursor not affecting the size of anatase TiO2 nanoparticles but affecting morphology under broader view
International Nano Letters - Tập 4 - Trang 1-8 - 2014
In this study, anatase titanium dioxide nanoparticles were successfully prepared by a sol–gel method using two different precursors, titanium isopropoxide and titanium butoxide. Hydrochloric acid or nitric acid was added to adjust the pH of the solution. The sols obtained were dried at 80 °C and calcined at 450 °C for 3 h. The nanostructures were characterised by scanning electron microscopy, FTIR......
Effects of multi-walled carbon nanotubes on flame retardation and thermal stabilization performance of phosphorus-containing flame retardants in polypropylene
International Nano Letters - Tập 2 - Trang 1-7 - 2012
Effects of multi-walled carbon nanotubes (MWNTs) on flame retardation as well as thermal stabilization efficiency of two phosphorus-containing flame retardant systems i.e., ammonium polyphosphate/pentaerythritol (APP/PER) and red phosphorus (RP) in polypropylene (PP) have been investigated. Limiting oxygen index, thermo-gravimetric analysis, melt flow index, and tensile tests have been performed i......
Facile synthesis and characterization of TiO2 nanoparticles: X-ray peak profile analysis using Williamson–Hall and Debye–Scherrer methods
International Nano Letters - Tập 11 - Trang 241-261 - 2021
In this study, TiO2 nanoparticles were synthesized by a sol–gel method involving the interaction of the titanium isopropoxide precursor and sodium hydroxide followed by calcination at a temperature of 450 °C. The effects of stirring time and solution pH on the morphology, phase types and crystallite sizes were investigated. The prepared TiO2 nanoparticles were characterized using X-ray diffraction......
Recent progress in algae-mediated silver nanoparticle synthesis
International Nano Letters - Tập 13 - Trang 193-207 - 2022
The use of silver nanoparticles (AgNPs) in many consumer products is expected to increase in the future due to their multifaceted properties. With the increasing demand for AgNPs, manufacturers are focusing more on exploring various methods for synthesizing AgNPs that are safer, cost-effective, and scalable. Synthesis of AgNPs using biological processes is advantageous over physical and chemical m......
Biogenic synthesis of magnesium oxide nanoparticles using Manihot esculenta (Crantz) leaf extract
International Nano Letters - Tập 10 - Trang 43-48 - 2019
Recently, plant-mediated route or green approach for preparing metal and metal oxide nanoparticles has received enormous attention due to the ease of preparation and environmental friendliness when compared to physical and chemical methods. Plants contain phytochemicals which have been proposed as bio-reductants and capping agents for forming metal nanoparticles. Therefore, this study was aimed to......
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