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172 articles for “absorption”
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Blue Shift of Sol-gel Synthesized ZnO Nano-particles: Size Dependent Quantum Confinement Effect
Abstract: Zinc oxide nano-crystals with different size and shape were synthesized by sol-gel technique at 90°C. ZnO nano-particles show (100), (002), (101), (102), (110), and (103) crystalline orientation and strong band-edge emission at 408 nm. Grain size of ZnO nano-crystals varies from 4 nm to 20 nm due to variation of molar ratio of polyethylene glycol with zinc acetate during synthesis. ZnO nano-materials with grain size 4 nm and 8 nm …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 1, 2015 · pp. 8–15 Read article
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Structural and Optical Study of CdSe Q-dots
Abstract: In this paper we have report the properties of CdSe Q-dots. Calculations of different parameters for different sizes of CdSe Q-dots are presented. The XRD analysis used to find the composition, crystal structure and crystallite size. Scherrer equation is used to calculate the Nano crystallite size. XRD analysis reveals that the CdSe QD crystallite sizes in the sample are 3.26 nm, 3.72 nm, and 3.20 nm by applying the appropriate …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 1, 2022 · pp. 25–30 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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Development of Fly Ash Bricks Using Alccofine as Partial Replacement of Cement
Abstract: With the growing technology in bricks industry and urbanization there is lot of requirements of raw material. Due to the limited availability of non-renewable resources, it is imperative to use additional waste materials when producing bricks in order to protect these resources. To combat the problem of environmental contamination, waste materials like fly ash, silica fume, and blast furnace slag can be utilised in place of clay. So using fly …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 2, 2022 · pp. 19–26 Read article
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SYNTHESIS AND CHARACTERISATION OF NATURAL FIBRE REINFORCED EPOXY COMPOSITES BASED ON SESAME OIL
Abstract: ABSTRACT Epoxy sheet and its composites were obtained by epoxidised resin and coir fibres respectively. Epoxidisedresin were prepared by condensing sesame oil using hydrogen peroxide and glacial acetic acid as catalyst. The resin was characterisedby spectral studies such as FT-IR and Solvent Absorptivity Percentage of Epoxy Resin and its Composites.The epoxy composites have higher solvent absorptivity percentage in the solvents when compared to that of epoxy resin. The epoxy composites …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 38–40 Read article
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SYNTHESIS, CHARACTERIZATION AND STUDY OF PHOTOCATALYTIC ACTIVITY OF PVA CAPPED ZINC INDIUM SELENIDE NANOPARTICLES UNDER UV LIGHT IRRADIATION USING METHYL RED DYE
Abstract: In this work, we report the structural morphology, optical properties and photocatalytic activity of polymer capped zinc indium selenide nanoparticles, which have been synthesized by solvothermal method. PVA is acted as capping agent. The PVA capped zinc indium selenide nanoparticles were characterized using XRD, SEM with EDAX, AFM, TEM and UV-Vis absorption spectroscopy. The structural properties of PVA capped zinc indium selenide nanoparticles have been characterized by X-ray diffraction (XRD) …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 41–51 Read article
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Experimental Analysis and Effect of Fiber Surface Modifications on the Properties of Plant-Drive Fiber Reinforced Polymer Composites
Abstract: Global challenges of today center on ways to combat global warming while reducing the rate at which fossil fuels are depleted through the use of environmentally friendly, biodegradable products. This work envisions the use of vetiver fiber (VF) as a reinforcement material in composite material construction, since the scientific literature advocates alternative materials for plastics. Based on the fiber composition of the fibers, the effects of various chemical treatments on …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 2, 2023 · pp. 46–57 Read article
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ANEMIA AND DIET
Abstract: Anemia is a condition that occurs when hemoglobin level goes below the normal range. As a result of it, the oxygen carrying capacity to the tissues gets diminished. Among the various types of anemia, nutritional anemia due to iron deficiency is the commonest one and it can be treated with dietary measures. But adequate knowledge about the diet and its absorption are very essential to combat it. Intake of iron …
Published in International Journal of Geriatric Nursing · Vol. 5, Issue 1, 2022 · pp. 1–7 Read article
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Anemia in Pregnancy
Abstract: Anemia is considered a severe public health problem by World Health Organization as its prevalence is greater than 40%. It has major consequences for human health as well as social and economic development and is responsible for 20% of maternal deaths. Anemia is the reduction in circulating hemoglobin mass below the critical level. Faulty dietetic habit, faulty absorption mechanism, iron loss through excessive sweating, hookworm infestation, chronic malaria, bleeding piles …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 3, Issue 1, 2017 · pp. 10–15 Read article
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Effectiveness of an Educational Intervention in Improving Knowledge on the Prevention of Iron Deficiency Anaemia Among School Students
Abstract: Iron deficiency anaemia is recognized as one of the most prevalent nutritional health problems among school-going children and adolescents across the world. Factors, such as insufficient intake of iron-rich foods, unhealthy dietary habits, and inadequate awareness about preventive strategies, play a major role in increasing its occurrence. The current study was undertaken to evaluate the effectiveness of an educational intervention in improving knowledge regarding the prevention of iron deficiency anaemia …
Published in International Journal of Immunological Nursing · Vol. 12, Issue 1, 2026 · pp. 12–16 Read article
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Hybrid Organic–Inorganic Metal Halide Perovskite Solar Cells: A Comprehensive Review of Materials, Device Architectures, Stability, Hysteresis, and Commercialization Challenges
Abstract: Hybrid organic–inorganic metal halide perovskite solar cells (PSCs) have emerged as a major focus of photovoltaic research due to their remarkable increase in power conversion efficiency, reaching 28% within a short period. Perovskite materials exhibit several attractive properties, including long charge-carrier diffusion lengths, tunable band gaps, and excellent light absorption capability. In addition, their low-cost fabrication processes combined with high efficiency make PSCs strong competitors to conventional silicon-based solar cells. …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 12, Issue 2, 2026 · pp. 47–60 Read article
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A Quasi-Experimental Study to Assess the Effectiveness of Self-Instructional Module on Knowledge Regarding Vitamin A Deficiency and Its Prophylaxis Among Mothers of Under-Five Children in the Community Area at Sri Goindwal Sahib, Tarn-Taran, Punjab
Abstract: Background of the study: Vitamin A deficiency is inadequate intake of vitamin A or its inadequate absorption in the body. It’s most prevalent in age group of 0–5 years. Aim: The present study aims to assess the effectiveness of Self-Instructional Module on the knowledge and attitude regarding vitamin A deficiency and its prophylaxis among mothers of Under-Five Children in the community area at Sri Goindwal Sahib, Tarn-Taran, Punjab. Methodology: A …
Published in International Journal of Pediatric Nursing · Vol. 12, Issue 1, 2026 · pp. 54–60 Read article
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Chemical Synthesis, Structural Characterization and Solid-State Chemistry of NiₓCo₁₋ₓFe₂O₄ Ferrite Oxides
Abstract: Ferrite materials have attracted significant attention in recent decades due to their remarkable magnetic, electrical, and catalytic properties. Spinel ferrites, generally represented by the formula MFe₂O₄ (where M denotes a divalent metal ion such as Ni²⁺ or Co²⁺), have attracted significant attention due to their versatile applications in areas including magnetic storage, microwave absorption, sensing technologies, transformers, and catalysis. . In particular, nickel–cobalt mixed ferrites (NiₓCo₁₋ₓFe₂O₄) are of considerable interest …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 1, 2026 · pp. 1–9 Read article
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A Review on Hybrid Honeycomb Engine Mounts for Vibration Isolation in Variable Compression Ratio Engines
Abstract: The increasing sophistication of modern engine systems has highlighted the importance of advanced vibration control methods. Engines today are required to function under continuously changing operating conditions, particularly in Variable Compression Ratio (VCR) systems, where vibration behavior becomes highly complex, non-linear, and dependent on time. Under such circumstances, conventional engine mounts often struggle to deliver stable and consistent performance. In contrast, hybrid honeycomb structures offer significant advantages due to their …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 12, Issue 1, 2026 · pp. 29–34 Read article
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Green and Nanotechnology Approaches for the Determination of Tungsten (VI): A Modern Analytical Perspective
Abstract: The determination of tungsten (VI) has gained increasing importance due to its extensive industrial applications and growing environmental relevance. Tungsten is widely used in alloys, catalysts, electronics, and energy systems, leading to its release into environmental matrices such as water, soil, and biological systems. Accurate monitoring of tungsten at trace and ultra-trace levels is therefore essential for environmental assessment and industrial quality control. Conventional analytical techniques, including inductively coupled plasma …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 1, 2026 · pp. 26–35 Read article
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PORTABLE SOLAR WATER HEATER
Abstract: This project explores the design of a portable solar water heater optimized for high-efficiency heat transfer in off-grid settings. The system utilizes the superior thermal conductivity of copper turnings, which serve as a heat exchanger to capture direct solar radiation. Using a closed-loop mechanism, a small pump circulates water from a storage tank through these copper coils, where it is rapidly heated before returning to the reservoir. This active circulation …
Published in International Journal of Mechanics and Design · Vol. 12, Issue 1, 2026 · pp. 19–25 Read article
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Synthesis and Characterization of Quinacridone Violet (Pigment Violet 19): Process Optimization and Colorimetric Evaluation
Abstract: Objective: This study focuses on the synthesis and characterization of Quinacridone Violet (Pigment Violet 19), a high-performance organic pigment known for excellent lightfastness and durability. The research aims to optimize the manufacturing process and evaluate the colorimetric properties of the synthesized pigment. Methods: PV 19 was synthesized via a multi-step process involving condensation, oxidation/hydrolysis, and ring closure/cyclization reactions. Two experimental batches (MM#973-A1/B1 and MM#974-A1/B1) were prepared with varying mole ratios …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 41–51 Read article
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Microwave Frequency Optimization Techniques for High-Speed Wireless Communication
Abstract: The rapid growth of mobile devices, cloud computing, Internet of Things (IoT), smart applications, and high-definition multimedia services has significantly increased the demand for high-speed wireless communication systems. Microwave communication technologies play a vital role in modern wireless networks because they provide large bandwidth, high data transmission rates, low latency, and efficient spectrum utilization. Microwave and millimeter- wave frequencies are widely used in satellite communication, radar systems, wireless broadband, and …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 12, Issue 1, 2026 · pp. 14–21 Read article
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Synthesis and Evaluation of Antifungal Properties of 2-((4-((6phenylimidazo[2,1-b][1,3,4]thiadiazole-2-yl)methoxy)phenoxy)methyl)-6-phenylimidazo[2,1-b][1,3,4] thiadiazole Derived from Hydroquinone
Abstract: Thiadiazole, a heterocyclic core, has garnered significant interest from chemists seeking novel therapeutic agents. The synthetic route for the target compounds is depicted in Scheme 1. The compounds were synthesized with favorable yields through the condensation of hydroquinone with various organic reagents. They underwent physical characterization and were analyzed using spectroscopic methods, including infrared (FTIR) and NMR (1H, 13C) spectroscopy. The FT-IR spectrum of the product exhibited a ν(C=N) absorption …
Published in International Journal of Environmental Chemistry · Vol. 12, Issue 1, 2026 · pp. 76–82 Read article
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Uses of Natural Fibres in Polymer Composites
Abstract: The increasing demand for sustainable and eco-friendly materials has led to growing interest in utilizing natural fibers as reinforcements in polymer composites. Natural fibers such as jute, flax, hemp, sisal, and coir have gained notable attention due to their renewable origin, biodegradability, low density, and cost-effectiveness when compared with conventional synthetic fibers like glass or carbon. When combined with suitable polymer matrices, these fibers form natural fiber-reinforced polymer composites (NFRPCs), …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 1, 2026 · pp. 1–9 Read article