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153 articles for “UV effects”
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Spectroscopic and Electrical Studies of Conducting Polyaniline Composites Embedded Nanostructure Zinc Sulfide
Abstract: Simple and low-cost chemical precipitation method was used for the synthesis of ZnS nanoparticles using zinc precursor and DMF as a stabilizing agent. Na2S was used as the source of sulphur ions. Composites of polyaniline and ZnS nanoparticles have been synthesized by in-situ chemical oxidation method by varying weight percentage of synthesized ZnS nanoparticles with aniline monomer. Optical studies in terms of UV-Vis and fluorescence show the positive effect of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 3, 2012 · pp. 25–32 Read article
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Development and Characterization of Antimicrobial Polymer Composites for Food Packaging Applications
Abstract: The increasing demand for sustainable and antimicrobial food packaging materials has led to extensive research in polymer-based composites. This study focuses on developing a polyethylene terephthalate-ethylene vinyl acetate (PET-EVA) composite reinforced with metal oxide nanoparticles (MONs), including Cu₂O, ZnO, and MgO₂. These nanoparticles were selected for their antimicrobial properties and ability to enhance the functional characteristics of the composite. Structural, chemical, mechanical, and barrier properties were extensively evaluated to determine …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 86–93 Read article
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Seed Priming with Zinc Oxide Nanoparticles and Plant Growth-promoting Rhizobacteria to Enhance the Seedling Development of Fenugreek
Abstract: Globally, agrochemicals are introduced to the soil as additional nutrients to increase soil fertility. A broad variety of situations in nature can be adapted by Plant Growth Promoting Rhizobacteria (PGPRs), thus making them a potential ecologically sustainable alternative. In addition, they are involved in a variety of ecologically important activities and interact with soil microorganisms both effectively and antagonistically. The growth of plants is known to be influenced by the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 362–376 Read article
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Preparation and Characterization of PVA-MgO Nanocomposite Films
Abstract: In this work, Magnesium Oxide Nanoparticles (MgO NPs) doped with 3 g of polyvinyl alcohol (PVA) at different weight percentages (0, 2, 4, 6, and 8 wt.%) using the solvent casting method, to fabricate thin PVA-MgO nanocomposite (NC) films. These films were characterized by (i) XRD, SEM, EDX, DLS, and Zeta Potential for morphological studies, (ii) FTIR spectra and UV-Visible techniques for spectroscopic studies and (iii) DSC for thermal studies. …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 27, Issue 2, 2025 · pp. 40–62 Read article
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Self-Healing Polymeric Composites Reinforced with Green Synthesized Nanoparticles
Abstract: The development of sustainable self-healing polymeric materials is critical for enhancing durability and service life in advanced engineering applications. In this study, zinc oxide (ZnO), magnesium oxide (MgO), and ferric oxide (Fe₂O₃) nanoparticles were green-synthesized using Allium cepa extract and incorporated into epoxy-based polymeric composites to improve mechanical, thermal, and self-healing properties. This bio-based synthesis is eco-friendly and safe alternative to harsh chemical techniques, utilizing natural antioxidants to stabilize the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 305–314 Read article
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Biosynthesis and Characterization of Zinc Oxide Nanoparticles by using Siris Plant Extract
Abstract: Zinc oxide (ZnO) is an inorganic compound widely used in everyday applications. Present study focuses on the biosynthesis of zinc oxide nanoparticles by zinc nitrate and utilizing the bio components of bark extract of Siris (Albizialebbeck (L.) Benth.). The synthesized nanoparticles were characterized using UV-Visible spectrophotometer, Fourier transform spectroscopy (FT-IR) and Zeta Potential. The nanotechnology has recently gained the attention and vast area for research. The biologically synthesis of nanoparticles …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 6, Issue 2, 2019 · pp. 36–40 Read article
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A Review on Benefits of Herbal Ingredients used in Sunscreen
Abstract: The present review focuses regarding the benefits of herbal ingredients in the formulation of sunscreen. Sunscreens are called as sunburn or sun blocker creams. There are three different forms of ultraviolet radiation: ultraviolet A, ultraviolet B, and ultraviolet C. The various forms of ultraviolet light are thoroughly reviewed in this page. Its function is based on their potential to absorb, scatter the rays from sun. Herbal cosmetics are also known …
Published in Research & Reviews : Journal of Herbal Science · Vol. 12, Issue 1, 2023 · pp. 1–7 Read article
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Influence of Dip Cycles on the Structural, Optical and Morphological Properties of CdS-SILAR Deposited Thin Films
Abstract: Cadmium sulphide (CdS) thin films were deposited on a glass substrate by a relatively simple and cost effective successive ionic layer adsorption and reaction (SILAR) method at temperature 80ºC at different deposition cycles. For a fine nanocrystalline thin film growth, the parameters include concentrations of cationic and ionic precursors, number of immersion cycles, and the immersion time. A study was made to know how dip cycles affects the structural, surface …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 3, 2016 · pp. 19–26 Read article
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Microbial Inhibition of Copper Nanoparticles Produced by Chemical Method
Abstract: In the modern era of science, copper nanoparticles (Cu-Nps), attributable to their fascinating properties, low price preparation and lots of potential applications in chemical process, cooling fluid or semiconducting inks and bio applications, have attracted lots of interest. Cu-Nps gains attention from its useful properties like the great thermal and electrical physical phenomenon at less cost unlike silver. In this study, the synthesis, optical properties, morphology and bacterial behavior of …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 15–22 Read article
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Orange Peels as Biosorbent for Heavy Metals and Its Application in Water Pollution Remediation Studies
Abstract: Ecosystems and public health are seriously threatened by heavy metal poisoning of water sources, which is growing. Heavy metal removal from wastewater using conventional technologies is either costly, ineffective, or results in secondary pollutants. In this regard, biosorption has become an affordable and environmentally beneficial substitute. The mitigation study of heavy metals from wastewater is crucial for the protection of the environment and human health. Efforts have been made to …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 3, 2024 · pp. 7–14 Read article
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Emerging Photochemical Techniques in Green Chemistry
Abstract: Creating environmentally friendly and sustainable chemical processes is one of the main objectives of green chemistry. A viable strategy for accomplishing this goal is the use of light to trigger chemical reactions in emerging photochemical techniques. An overview of current developments in photochemical techniques that support green chemistry is given in this abstract. Key innovations include the use of visible light photocatalysis, which offers a sustainable alternative to traditional high-energy …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 2, 2023 · pp. 39–45 Read article
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Green Synthesis and Evaluation of Electronic and Optical Properties of CdS/CdTe Quantum Dots
Abstract: The CdS/CdTe quantum dots (QDs), with altered concentrations of CdS, were synthesized using straightforward precursors through an environmentally friendly green method. The synthesized quantum dots were characterization by UV–visible absorption spectroscopy, Photoluminescence (PL), and Fourier Transform Infrared Spectroscopy (FTIR) to understand their electronic and structural properties. The average particle size is nearly consistent with the values derived from Brus's formula. The UV–visible spectra show a blueshift compared with pure sample, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 185–194 Read article
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Synthesis and Characterization of TiO2 1% SiO2 of Crystal and its Bacterial Applications
Abstract: Three-dimensional (3D) TiO2 Anatase and Rutile structures have attracted much attention due to their optical properties. However, the large band gap of (3.2 eV) results in the fact that anatase TiO2 can act as photo catalyst and be excited by UV light, which only accounts for 3–5% of the solar energy. On considering that nobel metallatic nanomaterials can harvest visible light, in this paper, TiO2 and SiO2 nanocrystals with rod …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 47–58 Read article
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Optimizing Machinability in Wire EDM of AISI P20 Steel Employing Composite Material Wires with Hybrid Neural Network Approach
Abstract: AISI P20+Ni steel is extensively used for forging dies, plastic moulds, and automotive die components due to its excellent polishability, hardness, and homogeneity. This research utilizes Wire Electrical Discharge Machining (WEDM) to process pre-hardened AISI P20+Ni steel, focusing on minimizing both recast layer thickness (RLT) and kerf width (KW). The performance of wires made from composite materials, including zinc-coated brass wire (ZBW), cryogenically treated ZBW (CZBW), and ultrasonic vibration-assisted brass …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1120–1133 Read article
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Gamma Irradiation Effects on Structural and Optical Properties of PVA/Al₂O₃/TiC Polymer Nanocomposites for Optoelectronic Applications
Abstract: PVA/TiC/Al2O3 nanocomposite (PTA) films were successfully prepared via the solution casting method. The impact of high-dose gamma (γ) irradiation (30 kGy) on the structural and optical properties of PVA/TiC/Al2O3 nanocomposites was systematically explored using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and UV–Visible spectroscopy. XRD analysis confirmed the semi-crystalline nature of the nanocomposites, which was found to decrease upon incorporation of Al₂O₃ nanoparticles and exposure to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 717–729 Read article
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Morphological and Optical Characterization of Zinc Sulphide Nanostructure Synthesized by Green Route of Musa Peels
Abstract: AbstractZinc sulphide nanoparticles are very good candidate for optoelectronic applications. In this paper we have reported green synthesis of zinc sulphide nanoparticles using Musa peels available in abundance as organic waste. Various precursor ratios and various extract concentrations were used. The samples obtained were analyzed using optical and morphological characterization. Strong blue shift in absorption edges was observed for increasing concentration of thiourea. It also was influenced by concentration of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 7, Issue 2, 2017 · pp. 23–28 Read article
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Aceclofenac and Diclofenac Sodium Conjugates with Amino Acids to Overcome Acidity
Abstract: This research work was based on a conjugate approach with some non-steroidal anti-inflammatory drugs (NSAIDs) to overcome the side effects like gastric irritation, solubility behavior, and some other effects of NSAIDs. Almost all the NSAIDs have undesirable reactions as well as they cause some types of major adverse reactions. Here the prodrugs conjugates are the approaches that increase the lipophilicity of the drug and decrease the solubility in water by …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 12, Issue 2, 2022 · pp. 19–25 Read article
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Physical and Optical Properties of Gum Arabic Sugar doped
Abstract: In this paper a different amount of sugar (0.1, 0.2, 0.3grams) were added to four types of Gum Arabic, namely (hashab, talha, cacamot and neem), then carefully, thoughtfully and thoroughly their physical properties were studied using Ultraviolet-Visible Spectroscopy (UV-Vis) and Fourier Transformation Infrared Spectroscopy (FTIR) devices; referring to the experimental implications, it had been observed and monitored that, the value of energy gap was increasing accordingly, to doping affectedness, and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 2, 2020 · pp. 38–50 Read article
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Synthesis of Iron Oxide Nanoparticle by Self Assembly Method and Catalytic Application
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Iron oxide nanoparticle is a kind of novel functional material, which has been used in biotechnology and catalysis. In this study, the iron oxide nanoparticle was synthesized by self-assembly method and characterized by XRD, FT-IR, SEM and AFM analyses. The synthesized iron oxide nanoparticles were used for the catalytic degradation of a synthetic dye, Direct Red 7 (DR7). Iron oxide nanoparticles with …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 2, Issue 1, 2011 · pp. 16–23 Read article
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Effect of Annealling on Optical Band Gap of Fe2O3 Thin Films on Amorphos Transparent Glass Substrate by Spray Pyrolysis Method
Abstract: The Fe 2 O 3 thin film has widely used photo-electrochemical cells. In this paper, the optical properties like band gap of thin films is depend on annealed temperature at 100 o C and 200 o C was discussed. The optical property of Fe 2 O 3 are studied by UV- Vis spectroscopy .The optical band gap decreased after increasing annealing temperature. The refractive index of Fe 2 O 3 …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 2, 2023 · pp. 25–29 Read article