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88 articles for “sample preparation”
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Fabrication and Flammability Assessment of Hybrid Composite Material Reinforced with Natural Fibers
Abstract: The utilization of natural fibers in composites has surged owing to their sustainable advantages. Natural fibers, categorized by their origin into plant, mineral, and animal fibers, have garnered significant attention. This study focuses on flax and wool fibers as representatives of natural fibers, paired with epoxy as the matrix material. The properties of flax and wool fibers were reviewed and found that wool has good fire retardancy property while flax …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 273–284 Read article
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Enhancing Mechanical and Thermal Properties of Glass Fiber-Reinforced Epoxy Composites with Silicon Carbide Additives
Abstract: This study explores the production and characterization of glass fiber-reinforced epoxy resin composites enhanced with silicon carbide (SiC) as a reinforcing filler. The primary objective is to evaluate the impact of SiC on the mechanical, thermal, and morphological properties of the composites. Four different samples with varying SiC weight fractions (0%, 5%, 10%, and 15%) were prepared, keeping the glass fiber content constant. The composites were fabricated using a combination …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 69–77 Read article
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Simultaneous Improvement of Mechanical Properties and Thermal Stability of Polyvinyl Chloride Nanocomposite by Magnesium Aluminum-Layered Double Hydroxide
Abstract: The application of nanoclays in polyvinyl chloride (PVC) is limited as the organic modifier of conventional nanoclays can degrade PVC. Using usual nanoclays could reduce thermal stability due to the catalytic effects on PVC degradation, so the main chalenge is to find suitable nanoclay for PVC. The effects of two nanoclays, MgAl-layered double hydroxide and alkylammonium-modified montmorillonite, were studied on the mechanical properties of PVC nanocomposites. Dioctyl phthalate (DOP)-plasticized PVC …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 825–837 Read article
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Development and evaluation of multigrain pasta
Abstract: Pasta is one of the most consumed food among the food products prepared from cereals due to low cost, ease in preparation along with pleasant textural and sensory characteristics. This study was performed to prepare multigrain pasta by utilising the numerous health benefits of wheat, chickpea, kodo and ragi flour. Each ingredient was selected according to unique nutritional attributes which will be incorporated in pasta to make it more nutritious …
Published in International Journal of Nutritions · Vol. 2, Issue 2, 2025 · pp. 34–47 Read article
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Dielectric Properties of Reduced Graphene Oxide with Nickel Cobalt Ferrite and Nickel Zinc Ferrite Epoxy Nanocomposites
Abstract: In this work, two systems of the composite were prepared using NiCoFe and NiZnFe with reduced graphene oxide(rGO) epoxy and the samples were subjected to electrochemical impedance spectroscopy (EIS). The Quality factor and loss tangent values of the composite was found out as a function of frequency. The modified ferrite-graphene-epoxy blends show dielectric loss and Quality factor values at low frequency. The incorporation of graphene aims to improve electrical conductivity, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 11, 2023 · pp. 28–37 Read article
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Utilization of Jackfruit as a Potential Supplement in Yoghurt and Evaluation of Its Nutritional and Commercial Aspects
Abstract: This study aimed to formulate fruit juice yoghurt by incorporating nutritious and flavorful jackfruit juice, known for its health benefits. Jackfruit juice was added at different levels (5%, 10%, and 15%) to yoghurt, and various chemical, microbiological, bioactive compounds, and sensory quality characteristics were analyzed. Statistical analysis revealed that panelist acceptability decreased with increasing fruit juice level. Among the samples, yoghurt with 10% jackfruit juice showed significantly different sensory characteristics …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 14, Issue 1, 2025 · pp. 1–14 Read article
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A Study to Assess the Effectiveness of Mint Leaf Chutney Administration on Improving Iron Deficiency Anemia Among Adolescent Girls in Selected Pre-University Colleges at Kolar
Abstract: Iron deficiency anemia remains a prevalent nutritional disorder among adolescent girls, particularly in developing regions. This study aimed to assess the effectiveness of mint leaves chutney in improving iron deficiency anemia among adolescent girls in selected pre-university colleges at Kolar. A quasi-experimental research design was adopted, involving 60 adolescent girls aged 15–18 years who were screened and found to be anemic based on their hemoglobin levels. Participants were selected using …
Published in Journal of Nursing Science & Practice · Vol. 15, Issue 3, 2025 Read article
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Initiation of Distress in Asphalt Concrete After Practicing Moisture Damage
Abstract: The moisture damage of asphalt concrete is considered as major type of distress in heavy rainfall environment. In this work, the decline in the initial flexural stiffness of asphalt concrete was monitored after practicing the moisture damage process. The variations were analyzed relative to the control mixture. Asphalt concrete mixtures were created in the laboratory with the optimal binder content. Extra mixtures were also prepared with ±0.5% variation of binder …
Published in Trends in Transport Engineering and Applications · Vol. 11, Issue 2, 2024 · pp. 7–13 Read article
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Mechanical Properties of Rice Husk Ash Based Concrete Composites
Abstract: The production of rice is important all over the world. The husk that is made is usually used as a combustible material to prepare fields, giving energy through both direct combustion and gasification. The material rice husk ash may be quite fine. A common particle size for rice husk ash is 3 to 75 µm. This research demonstrates how the rice husk ash affects the mechanical properties of concrete composites. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 7, 2024 · pp. 67–72 Read article
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Mn Doping–Induced Enhancement of Ethanol Gas Sensitivity in CuO/Cu₂O/Cu Composites
Abstract: A composite of CuO/Cu2O/Cu was synthesized by heating cupric acetate up to 600 °C for 2 hours in air. The properties of pure CuO films and CuO/Cu2O/Cu films were compared. Films were fabricated by the doctor blade method. Polyethylene glycol was used as a binder to prepare films. Mn was doped to composite to enhance the gas sensing properties. Compositions of Mn doped samples were confirmed using XRFS. According to …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 1, 2026 · pp. 52–61 Read article
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Synthesis of Novel Hybrid Biocomposites and Experimental Investigation of Mechanical Properties
Abstract: As industries increasingly adopt additive manufacturing, the demand for materials that offer better mechanical properties and functionality is on the rise. The purpose of present research work is to develop a novel hybrid biocomposites for 3D printing applications. The acacia bark, waste powder obtained from wet mahanarayan oil consisting of herbs and other bio filler was added in polylactic acid (PLA) for synthesis of hybrid biocomposites filament by twin screw …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 1–12 Read article
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Prediction of Customer Churn Using Machine Learning Classification Models
Abstract: Customer churn prediction is a critical task in both the telecommunication and medical industries, where retaining customers or patients is essential for ensuring long-term profitability and maintaining high-quality service. To address this, a range of machine learning models—including logistic regression, decision trees, random forests, gradient boosting machines, and support vector machines—were employed to accurately forecast churn behavior. Prior to model training, the dataset underwent thorough preprocessing, which included handling missing …
Published in Journal of Computer Technology & Applications · Vol. 16, Issue 2, 2025 · pp. 86–92 Read article
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Preparation of Transparent and Thermal Resistant Zirconia Reinforced Epoxy Based Polymer Matrix Composite Coatings
Abstract: This study investigates the thermal stability, structural characteristics, optical transparency, and surface wettability of epoxy-based composite coatings reinforced with 2 wt.% zirconia (ZrO₂) nanoparticles. The composite coatings were synthesized using a dip-coating technique on carbon fiber substrates and subsequently subjected to thermal treatments at 300 °C, 400 °C, and 500 °C. Structural analysis using X-ray diffraction (XRD) confirmed the amorphous nature of the epoxy matrix with no significant crystallization or …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 171–177 Read article
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Effect of Carbon Fiber on Mechanical Properties and Corrosion Behavior of Aluminium-6061 for Aerospace Applications
Abstract: Composite materials have brought about a revolution in numerous industries due to their superior mechanical, electrical, and thermal properties. As a result, composites have emerged as a promising class of materials. In the present experimental study, we will compare sandwiched composite panels made from aluminum 6061 alloy and aluminum-carbon fiber-reinforced polymer (CFRP) with varying load-carrying capacities in terms of their mechanical properties and corrosion behavior. These specimens are prepared using …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 154–159 Read article
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Stress Level and Coping Strategies Among the Students Preparing for Common Entrance Test in Coaching Classes of a Selected City
Abstract: Stress is a natural response of your body to any type of demand, whether it is a positive or negative experience. When individuals experience stress due to external factors, their bodies release chemicals into the bloodstream, which can be beneficial if the stress is caused by physical danger. However, if the stress is a result of an emotional situation and there is no way to channel this additional energy and …
Published in International Journal of Emergency and Trauma Nursing and Practices · Vol. 1, Issue 1, 2023 · pp. 13–21 Read article
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Valorization of Human and Cattle Dental Waste into Functional Composite Biomaterials: A Detailed Comparative Analysis
Abstract: This study investigates the conversion of human and cattle (goat and cow) teeth into bioactive hydroxyapatite-based composites and presents a detailed comparative evaluation of these biogenic materials with laboratory-synthesised (synthetic) hydroxyapatite (HAp). In this work, hydroxyapatite was extracted from human and bovine teeth through controlled calcination and milling, while synthetic HAp was prepared using a standard wet chemical precipitation route. All materials were subsequently sintered at 900 °C and fabricated …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 340–354 Read article
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Effectiveness of Video-assisted Teaching on Anxiety Related to Labor Process and Preparation for Labor Among the Primigravida Mothers Attending Antenatal OPD at GMCH-32 Chandigarh
Abstract: Aims and background: A randomized control trial to assess the effectiveness of video-assisted teaching on anxiety related to labor process and preparation for labor among primigravida mothers attending antenatal OPD of GMCH-32, Chandigarh, was carried out in full compliance with ethical standards laid down by the Research and Ethical Committee of GMCH-32, Chandigarh. Method: A systematic random sampling technique was used to select 80 subjects, 40 each in control and …
Published in International Journal of Midwifery Nursing And Practices · Vol. 2, Issue 1, 2024 · pp. 9–13 Read article
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Evaluating Breast Self-examination Awareness Among Young Adult Women in Vaniyamkulam Panchayat to Create an Educational Booklet
Abstract: Introduction: Breast cancer ranks as the second most prevalent cancer worldwide and stands as the primary cancer type among women, both in developed and developing nations. It is estimated that around 25% of all cancer cases globally are attributed to breast cancer. Notably, there was a significant increase in breast cancer incidence from 2008 to 2012 on a global scale. Methods: The research utilized a quantitative methodology, employing a descriptive …
Published in International Journal of Oncological Nursing and Practices · Vol. 2, Issue 1, 2024 · pp. 23–30 Read article
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Impact of E-Learning on Secondary Education in Patna District: The Role of Teachers in Supporting Higher Secondary Students during the COVID-19 Crisis
Abstract: This study assesses the impact of e-learning on secondary education in the Patna district during the unprecedented COVID-19 crisis, focusing on the vital role of teachers in supporting higher secondary students. Utilizing a quantitative survey design with a sample of 150 higher secondary teachers from various schools in Patna, the research identifies both the benefits and significant challenges of the rapid transition to digital education. The findings confirm a major …
Published in Journal of Advancements in Library Sciences · Vol. 13, Issue 1, 2026 · pp. 28–32 Read article
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Fabrication and Analysis of PBAT/Cyperus Rotundus Micro Crystalline Cellulose Biofilms for Food Packaging Applications
Abstract: Global plastic waste crisis has gained an increasing attention and many efforts have been made recently to develop biodegradable polymers as food packaging alternatives. Solution casting is used for fabrication and characterization of reinforced polybutylene adipate-co-terephthalate (PBAT) biofilm with Cyperus rotundus microcrystalline cellulose (CRC). PBAT-CRC biofilms with different CRC loadings (1%, and 2%) had been prepared and their structural, mechanical, thermal and morphological properties of fabricated biofilms were analyzed to …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 591–599 Read article