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653 articles for “PAC”
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Numerical Investigation on Concrete Filled Steel Tube Composite Circular Columns Under General Loading
Abstract: Concrete-filled steel tube (CFST) composite columns are extensively utilized in civil engineering constructions because of their numerous structural advantages, such as superior seismic performance, high load- bearing capacity, fire resistance, remarkable ductility, and ability to absorb energy effectively, especially in areas prone to seismic activity. CFST columns are employed in tall buildings and bridges to enhance rigidity and increase bearing capacity, but their behavior can be affected by buckling. There …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 164–199 Read article
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Gene Drive Technology: Potential and Risks for Global Biodiversity
Abstract: Gene drive technology has emerged as a groundbreaking tool with significant potential to address critical global challenges, particularly in managing and preserving biodiversity. By enabling targeted alterations to the genetic makeup of species, gene drives could facilitate the control of invasive species, mitigate vector-borne diseases, and even aid in the restoration of endangered species. However, the rapid pace of development and deployment of gene drive technologies raises concerns about unintended …
Published in International Journal of Genetic Modifications and Recombinations · Vol. 3, Issue 1, 2025 · pp. 6–10 Read article
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Biochar-Filled Soy Protein Composites: Evaluating Thermal and Mechanical Properties for Sustainable Polymer Applications
Abstract: The growing demand for environmentally sustainable and biodegradable materials has intensified interest in alternative solutions for thermal insulation. This study explores the development of composite materials using mango seed shell biochar (MSSB) and soy protein isolate (SPI) as a biodegradable matrix-filler system. Mango seed shells, an abundant agro-industrial waste, were subjected to pyrolysis at 500°C for 2 hours to produce biochar. The resulting MSSB was incorporated into SPI with glycerol …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 60–71 Read article
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Advanced Functional Nanocomposites: Graphene Oxide Integration into Polyvinyl Alcohol Matrix
Abstract: This research explores how incorporating graphene oxide (GO) into polyvinyl alcohol (PVA) can improve its mechanical and thermal characteristics, with the goal of creating multifunctional nanocomposites suitable for advanced technological applications. GO was introduced into the PVA matrix at 0.5, 1, and 2 wt% via a scalable solution casting method. The resulting nanocomposites were characterized mechanically, thermally, and spectroscopically. Tensile testing revealed a significant improvement in mechanical performance, with tensile …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 50–59 Read article
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Formulation and Evaluation of Herbal Anti-inflammatory oil using Tamarindus Indica oil, Vitex Negundo oil and Ipomoea batatas oil
Abstract: The formulation and evaluation of a herbal anti-inflammatory oil derived from the leaves of Tamarindus indica (Tamarind) Ipomoea batatas (Sweet potato) Vitex negundo (Nirgundi) aim to explore the therapeutic potential of these plants in managing pain and inflammation. Tamarind leaves are rich in flavonoids like quercetin, which primarily provide anti-inflammatory benefits by inhibiting pro-inflammatory cytokines, though their analgesic effects are moderate. Nirgundi leaves contain eugenol, known for its strong analgesic …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 12, Issue 2, 2025 · pp. 01–06 Read article
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The Digital Architects: How Computer Geeks Shape Innovation and Technology
Abstract: A Computer Geek is more than just a technology enthusiast; they are innovators, problem-solvers, and passionate creators deeply immersed in the world of computing. Marissa Mayer, Google's first female engineer and former CEO of Yahoo, once described geeks as individuals who care so deeply about something that every detail becomes important. In today's fast-paced digital era, computer geeks share a powerful and symbiotic relationship with technology, playing a central role …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 2, 2025 · pp. 8–20 Read article
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RFID-Enabled Smart Shelves and Cart System
Abstract: With the fast-paced development of Radio Frequency Identification (RFID) technology, the retail sector is seeing a revolutionary change to improve stock management, cut operational costs, and improve consumer satisfaction. The comparative advantages of RFID-smart shelves and carts over conventional stock management practices, such as barcode scanning and manual stock management, are investigated in this work. Compared to the other methods, in terms of accuracy, efficiency, cost-effectiveness, and scalability, RFID smart …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 2, 2025 · pp. 31–37 Read article
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Biobased Composite Materials for Sustainability
Abstract: Due to increasing demand for sustainable materials in various industrial sectors has directed a significant interest in biobased composite materials. Biobased materials, derived from biological resources, offer a promising substitute as compared to conventional composites that rely greatly on fossil fuels. This paper explores the advanced applications of biobased composites across various sectors such as automotive, construction, packaging etc., emphasising their potential to reduce environmental impact while maintaining the standard …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 163–170 Read article
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Advances in Polymer-Based Nanocomposites for Moisture-Sensitive Applications
Abstract: Polymer-based nanocomposites have emerged as promising materials in sensor technology due to their superior mechanical, electrical, and environmental stability. These advanced materials offer unique advantages, such as enhanced sensitivity, durability, and adaptability to various environmental conditions, making them highly suitable for sensor applications. One of the most significant breakthroughs in this field is the integration of semiconducting nanoparticles (NPs) within a polymer matrix, which has led to remarkable improvements in …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 145–152 Read article
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Prescription Opioid Use, Misuse and Motivation for Misuse among patients admitted in a drug treatment center
Abstract: Background: Opioid misuse remains a significant public health concern in Nigeria and globally. The risk of misuse complicates opioid prescriptions, potentially leading to overdose and fatal outcomes if not promptly addressed. Objectives: To determine the prevalence of prescription opioid use, misuse, and the underlying motivations for misuse. Method: This study utilized a retrospective cross-sectional design to examine the prevalence and patterns of prescription opioid use and misuse. Data were collected …
Published in Research and Reviews: A Journal of Toxicology · Vol. 15, Issue 2, 2025 Read article
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Mobile Technologies and Library
Abstract: Mobile technology has significantly transformed the landscape of library services by enhancing accessibility, operational efficiency, and user engagement. With the widespread adoption of smartphones and tablets, libraries have rapidly evolved to offer mobile-friendly services that cater to the needs of modern users. These services include mobile access to online catalogues, digital lending platforms, virtual reference services, and remote access to e-books, academic journals, and research databases. By leveraging mobile applications, …
Published in Journal of Advancements in Library Sciences · Vol. 12, Issue 2, 2025 · pp. 27–30 Read article
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Development of an Easy Car Moving Kit Using a Hydraulic Cylinder
Abstract: A wheel dolly that can be used as an automotive jack and can support heavy loads in the air for lengthy periods without the need for hydraulic systems is revealed. In a further aspect, when the vehicle’s engine fails, and is not able to move on its own, to move the vehicle with the help of human power or another vehicle is taken. For moving a car, portable dolly kits …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 32–40 Read article
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Optimization of Turning Process Parameters by Genetic Algorithm Approach
Abstract: In this research, turning parameters were optimized through a genetic algorithm for the purpose to minimize surface roughness and to maximize the material removal rate. High finish quality is guaranteed through minimum surface roughness, and efficient process planning is facilitated through maximum material removal rate optimization. For predicting surface roughness and material removal rate with respect to spindle speed, feed rate, and depth of cut, the empirical models were developed …
Published in Journal of Production Research & Management · Vol. 15, Issue 1, 2025 · pp. 33–41 Read article
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Enhancing Production Line Efficiency: Simulating and Optimizing Single and Parallel Line Processes
Abstract: During a time of fast-paced industrial growth, increasing production line effectiveness is a core issue for manufacturers looking to maximize output, reduce waste, and stay competitive. This study explores the use of simulation-based optimization methods to enhance single and parallel production line designs. Stepping beyond traditional trial-and-error methods, the research utilizes Siemens Tecnomatix Plant Simulation to simulate actual manufacturing scenarios, considering intricacies like buffer capacities, machine sequencing, and event-driven scheduling. …
Published in Journal of Production Research & Management · Vol. 15, Issue 1, 2025 · pp. 22–32 Read article
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Crossroads of Ecology and Medicine: Evaluating Pollutant-Induced Risks to Biodiversity and Human Health
Abstract: Environmental pollution has emerged as a central challenge at the crossroads of ecology and human medicine. The rapid pace of industrialization, urbanization, and agricultural intensification has led to an unprecedented release of pollutants into the air, water, and soil—triggering cascading effects on ecosystems and human health. Pollutants such as particulate matter, heavy metals, pesticides, microplastics, endocrine-disrupting chemicals, and persistent organic pollutants not only degrade biodiversity but also exert multifaceted health …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 3, Issue 1, 2025 · pp. 41–53 Read article
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Polymer-Based Ankle-Foot Orthoses: Innovations in Material Selection and Functional Enhancement
Abstract: Ankle-foot orthoses (AFOs) are critical devices in rehabilitative therapy for patients with foot drop due to neurological disorders such as stroke, multiple sclerosis, and cerebral palsy. These conditions impair dorsiflexion, making walking difficult and increasing the risk of falls. Traditional AFOs, often made from rigid thermoplastics, provide support but limit flexibility and patient comfort. Recent advancements in polymer chemistry have introduced innovative materials that enhance the functionality, durability, and effectiveness …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 49–55 Read article
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An Overview of Natural Fibers and Fillers Reinforced Polymer Composite Materials
Abstract: Polymer composite materials reinforced with natural fibers and fillers are drawing wide spread attention due to their sustainability, eco-friendliness, and a replacement of conventional synthetic composites. Such materials combine strength and stiffness of natural fibers like jute, hemp, flax, and sisal with flexibility and durability of polymer matrices, including thermoplastics, and thermosets. The paper reviews some developments, properties, and applications of natural fiber-reinforced polymer composites (NFRPCs), focusing on their merits, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 78–92 Read article
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IoT Operated Pillbox for Old Age Persons to Remember the Medicines Dosages
Abstract: In today's fast-paced world, remembering to take medications on time can be a real challenge. Missing doses can have serious consequences for health and well-being. To combat this issue, we can leverage the power of Internet of Things (IoT) to create a smart pill box that ensures timely medication adherence. This study will guide researchers through building a simple yet effective IoT-operated pill box using an Arduino Nano, a buzzer, …
Published in Journal of Microelectronics and Solid State Devices · Vol. 12, Issue 2, 2025 · pp. 20–32 Read article
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Smart Environmental Noise Monitoring System Using IoT and Machine Learning for Urban Pollution Control
Abstract: Human race has steadily evolved over past centuries. Development of new technology, vigorous research, consistent efforts, indomitable will to find solutions for the problems, are the key factors to shape our future in way that everyone gets safe, secure and satisfactory life. Construction industries provides basic but most valuable service or product or we can say that construction industries fulfill the basic needs of individual and group of people by …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 3, 2025 Read article
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Comparative Review of Innovations in Self-Compacting Concrete (SCC) Technologies
Abstract: Self-compacting concrete (SCC) is a revolutionary material in contemporary construction, with better workability and lower labor requirements without any sacrifice in strength or durability. The latest advances have been in terms of furthering its environmental and performance attributes by using different materials and methods. One of them is substituting ordinary Portland cement with high-volume fly ash and calcined calcium carbonate (BCC), cutting CO₂ emissions by as much as possible while …
Published in Journal of Construction Engineering, Technology & Management · Vol. 15, Issue 3, 2025 · pp. 99–103 Read article