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492 articles for “AST”
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Surajmukhi (Helianthus annuus L.): Medicinal Importance in Unani Literature and Modern Evidence
Abstract: Helianthus annuus L. (Sunflower), belonging to the family Asteraceae, is a well-recognized plant in both traditional and modern systems of medicine. In Unani medicine, it is described under the name “Shams-ul-Nahar,” attributed with specific Mizaj (temperament) and pharmacological actions. The plant is considered to possess a hot and moist temperament (Har Ratab), and different parts, including its seeds, oil, and leaves, have been employed in classical formulations. Sunflower seeds are …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 14, Issue 3, 2025 · pp. 68–75 Read article
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Development and Mechanical Characterization of Hybrid Natural Fiber-Reinforced Polymer Matrix Composites for Structural Applications
Abstract: The growing demand for sustainable, lightweight, and cost-effective materials in engineering has driven significant interest in natural fiber-reinforced polymer composites (NFRPCs). Among various options, hybrid composites combining two or more natural fibers offer a balanced improvement in mechanical properties while maintaining environmental benefits. This study investigates the fabrication and mechanical performance of jute–hemp fiber-reinforced epoxy composites. Specimens were prepared using the hand lay-up technique followed by compression molding to ensure …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1181–1189 Read article
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Investigating The Influence of Sic Reinforcement on The Mechanical and Tribological Properties of PA12 Polymer Composites in SLS
Abstract: The study investigates the mechanical and tribological performance of neat PA12 polymer and SiC-reinforced PA12 polymer composites made via Selective Laser Sintering (SLS). To evaluate just how reinforcement has influence upon overall performance, we incorporated into the PA12 polymer matrix a constant amount of 5 wt.% of Silicon Carbide (SiC). Mechanical testing focused on both tensile and fatigue behavior and testers conducted it with a Servo-Hydraulic Multipurpose High-Capacity Fatigue Test …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 541–554 Read article
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Experimental Investigation of Hybrid Natural Fiber Reinforced Epoxy Composites Using Banana and Sugar Palm Fibers
Abstract: This paper is a research study that examines the mechanical and morphological properties of hybrid natural fiber reinforced epoxy composites manufactured from banana fibers (BF) and sugar palm fibers (SPF). Because the use of sustainable, lightweight, and cost effective materials in engineering continues to grow, many engineers are looking at the possibility of utilizing natural fiber reinforced polymer composites as alternatives to traditional man-made fiber composites. Hybrid composite laminate samples …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 195–205 Read article
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An Experimental Study on the Fabrication and Mechanical Properties of Natural Fiber Reinforced Polymer Hybrid Composites
Abstract: Natural fiber-reinforced polymer composites are increasingly investigated as lower-impact alternatives to conventional synthetic fiber systems. This work fabricated and mechanically characterized a sisal-coconut coir fiber-reinforced epoxy hybrid composite and compared its performance with a glass fiber-reinforced polymer (GFRP) epoxy composite under the reported laboratory conditions. The hybrid reinforcement contained 75% sisal fiber and 25% coconut coir fiber and was incorporated into an epoxy LY556/HY951 matrix by the hand lay-up technique. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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A New Numerical Method for the Analysis of Stress Concentration in Tension Specimen
Abstract: Analyzing the stress concentration in the critical region of a mixed boundary value elastic problem has always been an important area of interest in applied mechanics. In most of the cases, the problems were circumvented using a numerical solution. A numerical approach has been used to solve elastic problems of arbitrary shaped bodies subjected to mixed boundary conditions. The formulation of displacement potential function is used in finite difference method …
Published in Journal of Experimental & Applied Mechanics · Vol. 3, Issue 1, 2012 · pp. 1–16 Read article
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Purification of Liquid Fuel and Special Liquids from Solid Harmful Inclusions and Concentration of Chlorella in Conditions of the Acceleration of Gravity Decrease and Weightlessness
Abstract: Purification of liquid fuel and special liquids from solid harmful inclusions in aircrafts and spacecraft under conditions of reduced acceleration of gravity and weightlessness is a very important, and also a critical task for an aircraft or rocket engine and life support systems of astronaut crews. An equally important role is played by the concentration of Chlorella from its nutrient medium during space flight to add this concentrate to the …
Published in Journal of Aerospace Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 35–45 Read article
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Utilization of the Sibininto treat the DMBA Induced Hepatotoxicity and Free-Radical Damage in Norwegian Rat, Rattus norvegicus (L).
Abstract: DMBA is abbreviated form of the 7,12-Dimethylbenz[a]anthracene. It is working as immuno-suppressor. It also serves as a tumor initiator. It allows for a greatly accelerated rate of growth of tumor and making many cancer studies possible. The plant, Silybum marianum (L) yields pharmacologically active compound named as silbinin. The silbinin deserve documented antioxidant activity. The purpose of this study was to assess this silbinin for protective influence in DMBA induced …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 11, Issue 1, 2020 · pp. 26–36 Read article
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GIS and Matrix based Methods for Environmental Impact Assessment for Bwari New Town Development Area, FCT, Nigeria
Abstract: Geographical information systems matrix-based assessments plays vital role in providing opportunity to enhance environmental impact assessment. This research was carried out in order to assess Environmental Impact Assessment for the Development New Town site in Bwari Area Council of the Federal Capital Territory, Nigeria using Geographic Information Systems, Remote Sensing and Matrix based methods. In order to achieve the aim and objectives of the research, various raw data were collected, …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 9, Issue 3, 2020 · pp. 25–33 Read article
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Method of Obtaining of Concentrate of Rapidly Reproducing Microalga for Converting of the Emitted Carbon Dioxide into Oxygen and Food Biomass for Feeding of the Crew of an International Space Station during Long Flights
Abstract: It is known that the use of microalga solves the problem of utilizing carbonic acid formed during the life of astronauts and replenishing oxygen in the spacecraft atmosphere. There is evidence that among the mass of microalga used for research as oxygen products for space flights, chlorella and spirulina are suitable. In the field of creating a life support system (LSS) of the International Space Station (ISS), research is being …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 10, Issue 2, 2021 · pp. 37–48 Read article
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A Review of the Most Important Medicinal Herbs: Adathodai Leaf (AL)
Abstract: Leaf of Adhatoda vasica (Vasaka) is a key drug of Ayurveda, prescribed as an expectorant. Quinazoline alkaloids in the nearby leaves are established as lively main beliefs. In Ayurveda, its leaf juice (Vasa swarasa) is included in many formulations. For e.g., Drug, cough, and throat stomach: Take only the leaf, boil the water and give it to the honey; Asthma, cough, and sore disorder: To provide drinking water with tipsily, …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 10, Issue 3, 2019 · pp. 1–4 Read article
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Assessment of Hepatic Damage in Labeo rohita (Hamilton, 1822) Exposed to Azo dye C. I. Direct Green 6
Abstract: Textile industries are one of the major backbones of Indian economy. They are the major reason for contamination of water bodies and their toxicity to ecosystem is an alarming environmental issue. The present study was designed to evaluate the hepatotoxic effects of C.I. Direct Green 6 (DG 6), a commercially used textile azo dye on Labeo rohita fingerlings. For this, L. rohita fingerlings were exposed to three sublethal concentrations (2.5, …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 10, Issue 4, 2021 · pp. 1–8 Read article
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Numerical Studies on Deep Drawability of the Aluminium Alloy, AA6082 and Parameters Affecting It
Abstract: Deep drawing is a metal forming operation used for manufacturing sheet-metal components for application in the automobile, aerospace, and packaging industries. The objective of the present work was to study the various parameters influencing the drawability of AA6082. The deep-drawing process was modeled and simulated in Ls-Dyna Pre-Post(R) V4.6.17 software. The tensile test was performed according to the ASTM-E8M standard on AA6082-T6 material and subsequently annealed to attain higher ductility. …
Published in Journal of Polymer & Composites · Vol. 11, Issue 14, 2023 Read article
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Drugs for Alzheimer’s Disease from Salix Alba Discovered Computationally Utilizing Virtual Screening and Docking against 1b41 Protein
Abstract: Objective : The of this research is to evaluate the feasibility of using molecular docking techniques to identify novel acetylcholinesterase, a key enzyme implicated in the pathogenesis of Alzheimer’s disease, a neurodegenerative disorder with a gradual but steady progression to death, due to the gradual accumulation of beta-plaques and neurofibrillary tangles, as well as a decline in acetylcholine levels. Due to its function in converting acetylcholine into acyl and choline …
Published in International Journal of Genetic Modifications and Recombinations · Vol. 1, Issue 2, 2023 · pp. 07–19 Read article
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Molluscan distribution in and around Munroe Island, Kollam, Kerala
Abstract: The current investigation endeavors to comprehend the variation of Molluscan species, specifically gastropods, at Munroe Island in the Kollam district of Kerala. Munroe Island, is a traditional backwater village positioned at the meeting point of the Ashtamudi backwater and the Kallada River system. Comprising of eight small islands, it covers a combined area of 13.4 km2.The primary lithology of the island consists of sedimentary rocks on the mainland and low-lying …
Published in International Journal of Marine Life · Vol. 1, Issue 1, 2024 · pp. 1–7 Read article
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Design and Development of Automatic Solar Tracker System for Wireless Sensor Network Node
Abstract: Energy Harvesting Technique (EHT) extracts energy from the renewable sources available in environment. Among all, the solar energy harvesting technique extracts maximum harvested power. The need for energy has grown in recent years in commercial, residential, agricultural, and industrial sectors. Non-conventional or renewable energy sources are being examined as an alternative when traditional, conventional energy sources run out. They are devoid of pollution and kind to the environment. Energy is …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 1, 2025 · pp. 10–17 Read article
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E-glass Fiber Epoxy Composites: Role of Al2O3/SiC Fillers in Physical, Flammability and Mechanical Characteristics
Abstract: This study investigates the effects of varying weight percentages of Silicon Carbide and Alumina particles in epoxy-based composites, fabricated through compression molding, on their physical and mechanical properties. Comparing different studies on carbon fiber-reinforced polymer (CFRP) composites, as well as glass fiber-reinforced polymer (GFRP) composites, especially with the reinforcement of nanoparticles such as silicon carbide (SiC), alumina (Al2O3) and graphene. The investigations cover fabrication methods, like vacuum infusion and compression …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 238–250 Read article
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Integrating Atmospheric Science: Understanding Greenhouse Gases, Aerosols, and Air Quality Dynamics
Abstract: Atmospheric science investigates the Earth’s atmospheric systems to understand their composition, dynamics, and the implications for climate, weather, and air quality. This review explores five primary areas within the field: atmospheric composition, atmospheric modeling, remote sensing, air pollution, and boundary layer dynamics, highlighting critical challenges and advancements. Rising levels of greenhouse gases (GHGs), including carbon dioxide and methane, continue to drive global warming, while feedback mechanisms—like cloud interactions and surface …
Published in International Journal of Atmosphere · Vol. 1, Issue 1, 2024 · pp. 32–35 Read article
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A Review on Phytochemical and Pharmacological Properties of Anacyclus Pyrethrum (Akarkara)
Abstract: The wild species Anacyclus pyrethrum, or A. pyrethrum, is a member of the Asteraceae family. It is commonly known as Akarkara. It originated in Spain, Morocco, and Algeria, and has since spread to Sri Lanka, India, Ukraine, Germany, Myanmar, France, and Poland. It is the benefits of bioactive compounds of plant found the chemical makeup, analgesic, anti-inflammatory, and wound-healing effects of hydroalcoholic extracts of A. pyrethrum’s roots, seeds, leaves, and …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 1, 2025 · pp. 102–110 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