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670 articles for “Co0.8Zn0.2Fe2O4 nanoparticles”
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Studies in Effect of Methyl Methacrylate to Butylacrylate Ratio on the Properties of TiO2/poly(methyl methacrylate-co-butylacrylate) Core–Shell Composite Nanoparticles Prepared by Microemulsion Polymerization
Abstract: AbstractTitanium dioxide, as a core, was coupled with the poly(methyl methacrylate-co-butyl acrylate) using amino propyltriethoxy silane as a coupling agent. A two-stage semi-continuous microemulsion polymerization method was used for the synthesis of these core–shell nanoparticles. Ratio of methyl methacrylate to butyl acrylate was varied in the shell of the nanoparticles and the prepared core–shell composite nanoparticles were characterized by Fourier transform infrared spectroscopy, X-ray diffractometer, differential scanning calorimetry, scanning electron …
Published in Journal of Polymer & Composites · Vol. 1, Issue 3, 2013 · pp. 32–39 Read article
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Effect of Zr, Fe Mono, Bimetallic Nanoparticles on the Electronic Properties of PVA/PVP Polymer blend
Abstract: AbstractThis paper describes the environmentally friendly production of polymer blend nanocomposites (PBNCs) made of polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP) and embedded with Zirconium(ZrO2), Iron (Fe2O3), and Zirconium-Iron (Zr-Fe), mono and bimetallic nanoparticles (NPs). FTIR spectroscopy was used to investigate the blend's development, interaction between polymers and nanoparticles, interactions between polymers and one another, and the impact of nanoparticles on interactions within PVA/PVP blend nanocomposites. With the addition of nanoparticles …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 72–80 Read article
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Enhanced Oil Recovery through the Application of Nanoparticles with Irvingia Gabonensis in Flooding Process in the Reservoir
Abstract: This experimental investigation is aimed at establishing the ability of nanofluids formula from a mixture of nanoparticles and oil extracted from Irvingia gabonensis (bush mango) in enhancing recovery from oil reservoir. The laboratory study involved the use of core flooding unit, crude oil, brine, nano-particles and Irvingia gabonensis. In this study, nanofluids formulated from nanoparticles of aluminum oxide (Al 2 O 3 ) and zinc oxide (ZnO) respectively were used …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 1–9 Read article
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Cyto-toxicity of Silver Nanoparticles on A Bacterial Population Isolated From Lakewater
Abstract: Due to the increased industrial and consumer applications, there is growing concern regarding the possible risk associated with their environmental exposure. Silver nanoparticles are considered to be toxic both to environment and human beings after a permissible limit. The aim of the present study was to explore the difference in toxicity mechanism of Silver nanoparticles (NPs) at low concentrations (≤1 μg/mL), in a lake-water bacterial consortia containing Bacillus marisflavi and …
Published in Research and Reviews: A Journal of Toxicology · Vol. 4, Issue 1, 2014 · pp. 22–25 Read article
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Exposure of Nanoparticle Leads to Health Hazards
Abstract: Nanotechnology is a technique used for the production of materials of the nanoscale level. This is a new development in technology which usually entails some hazards as well as advantage to society. Thus nanomaterials are well known for their various beneficial uses in the medicines, engineering, computer, etc., in spite of that it is associated with many hazards related to human health. The exposure of nanomaterials through dermal contact, inhalation, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 9, Issue 3, 2019 · pp. 7–18 Read article
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Sonochemical Synthesis and Photo-Catalytic Study of Cd Doped Znse Nanoparticles
Abstract: Cd doped ZnSe nanoparticles have been successfully synthesized with sonochemical process by reacting high purity acetates and sodium selenosulphate at 343 K. The size of nanoparticles was calculated by using powder XRD. It shows the crystalline size ranging between 35.3 nm to 45.44 nm. XRD further shows that ZnSe nanocrystallites are polycrystalline in nature and belong to the hexagonal phase. SEM shows that the particles are spherical in shape. Effect …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 32–41 Read article
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Biosynthesis of Magnetic Iron Oxide Nanoparticles Using Hibiscus as a Plant Source
Abstract: Green chemistry has significant role in improving and protecting the global environment and they are even competent over other conventional methods. This paper investigates the greener route to nanoparticles which were produced by coprecipitation technique using hibiscus leaf extract as a plant resource. This method has been proven cost effective, simple, economical, eco-friendly and non-hazardous. The formation and nature of synthesized magnetic iron oxide nanoparticles were characterized by UV–Vis spectroscopy, …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 1–9 Read article
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Growth and Characterization of CuInSe2 Nanoparticles for Solar Cell Applications
Abstract: This paper investigates the possibility of growing copper indium diselenide (CuInSe2) nanoparticles by solution method for solar cell applications. The purpose is to study the reaction, growth mechanism and to optimize the parameters of this method. Upon successful synthesizing the samples, they were characterized using various techniques. EDAX, SEM, PIXE, XRD together with the measured optical parameters obtained from UV-VIS absorption testing were analyzed. They show reasonably identical values that …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 5, Issue 1, 2014 · pp. 13–17 Read article
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Green Synthesis and Characterization of Silver Nanoparticle using Leaves of Lawsonia inermis: Antibacterial, Antifungal and Anti-Oxidant Activity
Abstract: Nanotechnology is one of the fastest developing sciences over the past few years. This is an emerging field of modern research dealing with synthesis and designing of particle structure ranging from approximately 1–100 nm. Silver nanoparticles (AgNPs) are known for their tremendous applications in the field of therapeutics and diagnosis. In the present study, we have confirmed that the antibacterial, antifungal and anti-oxidant activity of biosynthesized AgNPs which were synthesized …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 1, 2016 · pp. 11–23 Read article
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Production of Poly Hydroxybutyrate from Bacillus megaterium and its Conjugation with Nanoparticles to Determine the Antibacterial Activity
Abstract: Plastics have become an important part of modern life and are used in different sectors of operations like packaging, building materials, consumer products etc. Presently plastics and synthetic polymers are mainly produced by using the petrochemical material that cannot be decomposed easily. Thus they contribute to the environmental pollution. The increased cost of solid waste disposal as well as the potential hazards from incineration of wastes makes synthetic plastic waste …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 126–132 Read article
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Preparation of Lipase Loaded Chitosan Nanoparticles and its Estimation Using Different Additives
Abstract: Chitosan nanoparticles were prepared by ionic gelation technique and simultaneously entrapment of lipase was carried out in it. These were then subjected to additives such as surfactants, pluronics and ionic liquids. Activity of lipase was assayed in free as well as immobilized conditions. It was then compared to immobilized enzyme bound to these polymers. The results have been graphically displayed. Among surfactants, tween 80 and triton X-100 were used with …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 6, Issue 2, 2016 · pp. 19–27 Read article
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The Effect of Ni2+ Ions on Energy Band gap of TiO2 Nanoparticles for Solar Cell Applications
Abstract: Pure TiO2 and Nickel doped TiO2 nanoparticles were prepared by chemical synthesis route with different doping percent of Nickel at 4500 C annealing temperature. UV-Visible and XRD characterizations were performed to know the doping effect of Nickel in pure TiO2. XRD results show increased particle size with doping of Ni2+, the particle size of samples are in the range of 27.43 nm to 45.85 nm. UV-Visible results revealed decreased band …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 69–74 Read article
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Phytosynthesis of silver nanoparticles using Calotropis gigantea flower extract and its antibacterial activity
Abstract: The present study involves the green synthesis of silver nanoparticles (AgNPs) using the extract of white Calotropis gigantea flowers. The AgNPs were characterized by UV-Vis spectroscopy, FESEM, XRD, FTIR analysis. A color change was observed at 384 nm indicating the synthesis of nanoparticles due to surface plasmon resonance. The average nanoparticle size was about 50 nm. XRD analysis showed that the AgNPs were crystalline and face centered in nature. FTIR …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 53–60 Read article
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Hardness and Wear Behaviour of AA8088 Alloy Reinforced by TiB2 Nanoparticles
Abstract: Using the stir casting technique, an attempt was undertaken to manufacture an aluminium alloy (AA) 8088 matrix reinforced with 0, 1, 3, 5 wt% TiB2 particles. The mechanical characteristics and wear behaviour of the material were investigated. To determine the level of improvement, hardness and tensile characteristics were measured before and after the addition of TiB2 particles. To validate the improvement in wear resistance, a pin-on-disc device was used to …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 11, Issue 3, 2021 · pp. 32–42 Read article
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Variation in Activity of Lipase Immobilized on Chitosan and Alginate Nanoparticles by Changing Concentration of the Preparatory Reagents
Abstract: Chitosan and alginate nanoparticles were prepared by ionic gelation method. The concentrations of each of the preparatory reagents (for chitosan: acetic acid, chitosan, sodium sulphate, glutaraldehyde and for alginate: calcium chloride, alginate, glutaraldehyde) were altered to check their consequences. Lipase was chemically crosslinked to these nanoparticles. Enzymatic assay was carried out for every alteration separately. To visualize the changes in each reagent at every step a precise table is incorporated …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 7, Issue 3, 2017 · pp. 14–22 Read article
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Detection and Killing of Food Poisoning Salmonella Typhimurium in Cheese by Using Monoclonal Antibody and Nanoparticles Complex
Abstract: Present studies were conducted to test the ability of gold nanoparticles (GNPs) to detect and kill the bacterial contaminated food samples like cheese. The GNPs were prepared in two methods, sample A was purple 72 to 78.3 nm, while sample B was wine-red and the size was 51.5 to 58 nm. The results obtained suggest that the GNPs were synthesized with different particle size. UV-VIS spectroscopy and zeta potential tests …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 5, Issue 1, 2016 · pp. 1–10 Read article
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Medicinal Chemistry of Nanoparticles for Cancer Theranostics
Abstract: Cancer is a disease in which cells growth is uncontrollable and conventional treatment have a few side effects, for example, nonspecific delivery, unable to enter the center of tumor and absence of solubility. Nanoparticles could directly target disease cells specifically and increased medication localization in tumor cells giving exact cellular uptake. The theranostic nanomedicine can accomplish systemic flow, avoid host resistances and deliver the medication and diagnostic agents at the …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 3, Issue 3, 2016 · pp. 28–41 Read article
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Formulation and Evaluation of Solid Lipid Nanoparticles of BCS Class II Drug
Abstract: In the present study, we explored the potential of antihypertensive drug loaded solid lipid nanoparticles (SLNs), as a new formulation in improving the oral bioavailability of drug, which otherwise reported with poor bioavailability. The problem of poor water-solubility has remained as a significant challenge in pharmaceutical industry. The reduction of drug particle to the nano-level increases the surface area and improves solubility and dissolution of drug and proportionate increase in …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 6, Issue 2, 2019 · pp. 32–54 Read article
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Anti-tumour Effects of Green Synthesis of Silver Nanoparticles from Helicteres isora L: In Vitro Approach
Abstract: Green synthesized silver nanoparticles preparation from 1mM AgNo3 solution through the fruit extract of Helicteres isora. in the range of 24–30 nm with increased stability and enhanced anti-tumour potency were reported in this present study. Green synthesized silver nanoparticles from fruit extract of H. isora (Hif-AgNPs) were characterized by using UV-VIS absorption spectroscopy and the morphology of the nanoparticles was characterized by transmission electron microscopy (TEM). The anti-tumour efficacy was …
Published in Trends in Drug Delivery · Vol. 5, Issue 1, 2018 · pp. 1–5 Read article
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UV Spectrophotometric Method for the Estimation of Etoposide and its Application in Study of Polymeric Nanoparticles
Abstract: A rapid, economical, accurate and simple UV spectrophotometric method was developed for quantification of etoposide in bulk and pharmaceutical formulation and its application in the study of polymeric nanoparticles. The samples were quantified at 284 nm in both methanol and phosphate buffer saline (PBS) at pH 7.4. The method was linear (r2 > 0.99) over the range of 20–100 μg/ml, precise (RSD < 5%), accurate (recovery values close to 100%), …
Published in Trends in Drug Delivery · Vol. 3, Issue 1, 2016 · pp. 46–51 Read article