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106 articles for “UV”
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Impact of Annealing on Structural and Surface Properties of Nanostructured ZnO Thin Films
Abstract: ZnO thin movies with various grain size were developed on undefined quartz substrate utilizing turn covering technique. We have announced the impact of toughening temperatures on the basic and surface properties of ZnO thin movies. The surface properties were described by AFM. From XRD investigation, it can be seen that the FWHM diminishes with an expansion in strengthening temperature from 500 to 575ºC which is reflected in the expansion in …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 33–37 Read article
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Zinc oxide/Chitosan biocompatible nanocomposites: Preparation, Characterization and its use in Congo red dye photodegradation
Abstract: Zinc oxide/chitosan biocompatible nanocomposites have been successfully synthesized by co-precipitation method. The samples were characterized by X-ray diffraction (XRD), Scanning electron microscope (SEM), Energy dispersive X ray Flurescence spectroscopy (EDAX) and Fourier transformation infrared spectroscopy (FTIR). The photocatalytic efficiency and photostability of the sample was investigated systematically for Congo red degradation under solar light irradiation. UV-vis Spectroscopy was employed to investigate the optical properties and photocatalysis behavior of the Zinc …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 27–39 Read article
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The Current Role of Nanomaterials in Paints Industry
Abstract: Nano coatings are materials that are made by getting the material at the nuclear level to outline a denser thing. Nano coatings have a couple of purposes of enthusiasm, for instance, better surface appearance, awesome engineered assurance, better warm and electrical conductivity and better disintegration insurance. Wire of nanoparticles update the disintegration insurance of zeolite coatings, epoxy coatings and antimicrobial coatings. The nanopaint development improves the structure's entire ecobalance. The …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 1, 2018 · pp. 19–33 Read article
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Two-dimensional MoS2 Nanosheets: Preparation and Characterization
Abstract: The amazing properties and useful applications of graphene in the field of sensors, electronics and material science opens a new challenges to other two dimensional semiconductor materials. Specially due to extraordinary electronic, mechanical and optical properties, molybdenum disulfide (MoS2) is attracting huge interest in several applications. Single layer MoS2 with direct band gap shows better semiconductor behavior such as photoluminescence, makes them more acceptable in optoelectronic applications in comparison with …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 2, 2019 · pp. 17–25 Read article
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Synthesis and Characterization of Fluorescent Core-Shell Ag@SiO2 and Ag@MoS2 Nanoparticle
Abstract: Among metals, silver (Ag) and gold (Au) NPs have attracted significant interest owing to their extraordinary optical properties related with the localized surface Plasmon resonance. However, the main drawbacks of colloidal nanoparticles, making them barely useable in the photovoltaic field, are their low colloidal stability. To overcome this problem we have developed a new class of fluorescent core-shell Ag@SiO2 nanoparticles, or simply called (MEF) nanoparticles. Different characterization techniques UV-Vis, PL …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 2, 2019 · pp. 8–16 Read article
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Biosynthesis, characterization of gold nanoparticles using M. indica leaf extractand their anticancer activity
Abstract: The present study involves the novel approach for the synthesis of nanomaterial holds infinite possibilities as nanotechnology has a major impact on medicine and its application. Leaf extract of Mangiferaindicais a very good bioreductant for gold chloride (HAuCl4·4H2O) which leads to the synthesis of gold nanoparticles. Leaf extract of Mangiferaindicawas mixed with gold chloride (HAuCl4·4H2O) and UV-vis spectroscopy was used to detect the synthesis of nanoparticles. TEM and FESEM were …
Published in International journal of Nanobiotechnology · Vol. 2, Issue 2, 2016 · pp. 1–4 Read article
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Biosynthesis of Silver Nanoparticles for Mosquito Control
Abstract: Biological synthesis of nanoparticles has received increased attention due to a growing need to develop environmentally benign technologies in material synthesis. In present work, silver nanoparticles (AgNps) were synthesized intracellular by using Pseudomonas aeruginosa sp. The silver nanoparticles were characterized by transmission electron microscopy (TEM), UV–Visible spectroscopy (UV). Larvicidal activities of silver nanoparticles were analyzed as per the standard procedures. The P. aeruginosa synthesized AgNPs were found effective against the …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 1, 2017 · pp. 6–11 Read article
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Green synthesis of Copper nanoparticles using Ctenolepis garcini (Burm.f.) C.B Clarke.
Abstract: Copper nanoparticles, due to the excellent physical and chemical properties and low cost of preparation, have been of great interest in wide applications as heat transfer systems, antimicrobial materials, super strong materials, sensors and catalysts. The present study is a novel biological approach for the formation of copper nanoparticles using Ctenolepis garcinii (Burm.f.) C.B Clarke. Copper nitrate was made to reduce with aqueous solution of plant extract. UV-Visible spectrum showed …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Bio synthesis and characterization of Gold Nanoparticles
Abstract: Colloidal Gold has attained much attention in global nanotechnology market due to valuable application in biomedical, electronics and other field as well as are being widely used as Antimicrobial agents. In this research work Gold nanoparticle suspension has been synthesized by bio synthesis method using bamboo leaves and formation of colloidal gold has been confirmed by different characterization techniques UV visible spectroscopy, FTIR and DLS. Keywords: Nanotechnology, gold Nanoparticle UV …
Published in International journal of Nanobiotechnology · Vol. 4, Issue 2, 2018 · pp. 15–20 Read article
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Characterization of CeO2-NiO Thin Film Produced by Jet Nebuliser Technique
Abstract: CeO2 –NiO composite solution was sprayed as thin films by using JET nebulizer technique at the substrate temperature of 250°C. The film was characterized by X-ray diffractometer and crystallite size, lattice constant, crystallinities, phase transformations were measured. The UV-Vis spectrometer analysis was used to calculate the band gap, absorbance and percentage of transmission of the thin films was reported. The emission and excitation spectra of the sample were reported. The …
Published in International journal of Nanobiotechnology · Vol. 7, Issue 1, 2021 · pp. 1–17 Read article
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Low Temperature Chemical Synthesis of Nickel Oxide Microflower and Study of its Optical and Thermal Properties
Abstract: A simple rout for the synthesis of flower like nickel oxide nanostructure has been reported using nickel sulphate and potassium per-sulphate as precursor. Efforts were made to see the effect of persulfate amount on different properties of the materials thus two samples were synthesized with different amount of per-sulphate precursors. The as prepared samples were characterized by x-ray diffraction, field emission scanning and transmission electron microscope, thermal gravimetric and differential …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 17–24 Read article
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DFT studies of the structural, electronic and optical properties of armchair CaONT, Oxygen incorporated CaO2NT and CaO3NT and zigzag SWCaONT for Optoelectronics Applications
Abstract: In this research, the structural, electronic and optical properties of the nanotubes of CaO, CaO2 and CaO3 were studied using the DFT quantum computational approach. Although studies of electronic and optical properties were done for 2D CaO nano sheets with oxygen incorporation, there are no available data to show similar studies on the nanotubes forms of this metal oxide. This research therefore tried to explore more about the structural, electronic …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 32–40 Read article
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Green Synthesis of Zinc Oxide (ZnO) Nanoparticles using Urtica dioica Plant Leaf Extract
Abstract: The green synthesis of nanoparticles by biological systems, particularly plant extracts, has become an emerging area of nanotechnologies. Nano materials have wide range application in various fields such as electronics, optics, material science and bio medical science due to their size and morphology. Zinc oxide is a versatile semiconductors material and has attractive properties like wideband gap (3.2eV) large exciton biding energy, high stability and environmental friendly material. The synthesis …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 44–57 Read article
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Sequential Extraction of Pectin and Cellulose from Orange Peel Waste: A Sustainable Waste-to-Valorization Approach
Abstract: Agricultural waste is a huge and underutilized resource of useful biomaterials that are best for sustainable use. The goal of the present study was to develop an integrated waste valorization approach, in which orange peel waste is valorized in the form of cellulose and pectin and their potential is assessed in combination with green synthesis of nanoparticles. Orange peel powder was treated with acid-assisted extraction to obtain pectin, and the …
Published in International Journal of Green Chemistry · Vol. 12, Issue 2, 2026 · pp. 19–29 Read article
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Eco-Friendly Starch-Iron-Oxide Nanoblends from Fruit Peel Waste – A Green Waste Valorization Approach
Abstract: Utilization of agricultural wastes for production of useful biomaterials has attracted a lot of interest due to their environmental and economic benefits. In the present study, green banana peels were used as bio sustainable raw materials from which starch was extracted, and pomegranate peels were used as an ecofriendly raw material for the green synthesis of iron oxide nanoparticles. The green banana peels were also found to be a potential …
Published in International Journal of Green Chemistry · Vol. 12, Issue 2, 2026 · pp. 29–39 Read article
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Synthesis, Structural Elucidation, and Antimicrobial Screening of a Cobalt (II) Coordination Compound Derived from a Thiophene-Containing Schiff Base
Abstract: Abstract An N, O-chelating azomethine Schiff base ligand (HL), chemically identified as 2-{[(thiophen-2-yl) methylidene] amino} benzoic acid, was synthesized by an equimolar condensation reaction between thiophene-2-carbaldehyde and anthranilic acid in absolute ethanol in the presence of a catalytic amount of acetic acid. The corresponding cobalt (II) complex, formulated as [Co(L)₂] · 2H₂O, was prepared by refluxing two equivalents of the ligand with one equivalent of cobalt (II) acetate tetrahydrate in …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 · pp. 1–7 Read article
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Evaluation of the Potential of Fused Silica Material: The Relationship of Temperature, Frequency, and Polarization
Abstract: Fused silica, a high-purity form of silicon dioxide, is widely recognized for its exceptional thermal stability, optical transparency, and low dielectric loss. This study evaluates the potential of fused silica as a material in advanced optical, electronic, and photonic applications by exploring its properties in relation to temperature, frequency, and polarization. Through a comprehensive analysis, we examine the temperature-dependent changes in its thermal and optical properties, including thermal expansion, refractive …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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Predictive Modeling of Dengue Mosquito Populations Using Artificial Neural Networksfor Effective Zapping Solutions
Abstract: The World Mosquito Programme highlights the significant global threat posed by dengue fever, estimating that over half of the world's population is at risk, with approximately 390 million cases reported annually. In 2023, India witnessed a substantial increase in dengue cases, recording over 270,000 cases compared to 74,000 in 2017. Dengue Virus (DENV) transmission occurs through Aedes Aegypti Mosquito bites, and with no specific treatment or vaccine available, effective management …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 10, Issue 1, 2024 · pp. 27–36 Read article
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Synthesis and Biological Evaluation of a Novel Schiff Base Ligand [(E)-2,4-Dichloro-6-(1-((4-Fluorophenyl) iminoethyl)phenol] and Its Metal Complexes
Abstract: The study involved the synthesis and characterization of a novel bidentate Schiff base ligand, [(E)-2,4-dichloro-6-(1-((4-fluorophenyl) iminoethyl) phenol)], derived from 1-(3,5-dichloro-2-hydroxyphenyl) ethanone and 4-fluoroaniline. Transition metal salts (Co (II), Cu (II), Fe (II), Zn (II), Ni (II), Mn (II), Ag (II), Cd (II), Hg (II), and Pd (II)) were used to synthesize metal complexes. The chemicals used were of analytical grade, and solvents were distilled before use. Characterization involved UV, IR, …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 1, 2024 · pp. 26–35 Read article
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Photosynthesis at high altitude: A case study in Trans Himalayan region
Abstract: Photosynthesis is the basis of life on earth that converts light energy into chemical energy and is the primary component of crop yield. Significant increase in crop yield by enhancing photosynthesis can answer to global food security. With the increase in population size and limited land availability, efforts have been made to grow crops in tough terrains like high altitude areas. As one ascends a mountain, environmental conditions such as …
Published in International Journal of Plant Biotechnology · Vol. 2, Issue 2, 2016 · pp. 25–34 Read article