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229 articles for “strain”
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Properties and antimicrobial activity of bacterial nanocellulose composite incorporated with silver nanoparticles based on green synthesis
Abstract: Green silver nanoparticles (AgNPs) synthesized using medical plant extracts as capping and reducing agents demonstrate broad applicability in addressing the threat posed by infections. In this study, we present a sustainable, low-toxicity, and cost-effective bacterial nanocellulose composite with silver nanoparticles based on green synthesis that uses Origanum vulgare as a reducing agent due to numerous biological components. The formation of AgNPs in composite and morphological properties was analyzed using scanning …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 323–328 Read article
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Effect of Compressive Strength of Core and Precast Concrete on the Behavior of Column Retrofitted by Precast Segment and FRP Wrapping - A Finite Element Study
Abstract: In the present investigation the effect of compressive strength of core and precast concrete on the behavior of columns retrofitted by attaching precast segments and followed by FRP wrapping through Finite Element Analysis. A rectangular column converted into an elliptical column by attaching precast segment is modeled using ANSYS workbench, A Finite Element Analysis software. A Finite Element Model is developed, considering various structural parameters such as grades of core …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 302–310 Read article
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Vibration Analysis of Woven Hybrid Carbon-Kevlar Composite Laminates
Abstract: Composite materials have revolutionized the field of engineering and design, providing the ability to combine two or more materials with different properties to create new materials with enhanced characteristics. The intricate process of weaving together carbon fiber and Kevlar fiber to create a 3D composite fabric is not only fascinating but also results in a beautiful, intricate pattern. Hand weaving is an art that requires precision and skill, and when …
Published in Journal of Polymer & Composites Read article
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Advancements in Antiviral Therapeutics: Strategies and Challenges in the Development of Drugs and Vaccines for Viral Diseases
Abstract: Viral infections continue to pose a significant threat to global health, leading to high rates of illness, death, and economic burden. The constantly evolving nature of viruses, along with the rise of drug-resistant strains, underscores the need for continuous advancements in antiviral treatments. This review highlights the pivotal role of antiviral drugs and vaccines in mitigating the impact of viral infections, showcasing recent breakthroughs and exploring emerging technologies. Key advancements …
Published in International Journal of Virus Studies · Vol. 1, Issue 1, 2024 · pp. 32–36 Read article
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Optimization of gas sensitivity of CuO/carbon composites with carbon particles synthesized from acacia auriculiformis branches
Abstract: Carbon particles fabricated from the core of acacia tree branches were utilized to synthesize CuO/carbon composite films. The gas sensing properties of these films grown on glass substrates using the doctor blade method were measured in 1000 ppm of methanol vapor at the room temperature. All the films were annealed at 75 0C for 1 hour in air. The structure, the optical band gap and the surface morphology of the …
Published in International Journal of Membranes · Vol. 1, Issue 1, 2024 · pp. 22–30 Read article
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Advancements in Drug Design Technology and Its Impact on COVID-19 Treatment
Abstract: The deadly coronavirus disease 19 (COVID-19) pandemic has recently spread, raising concerns about global health. The search for novel therapeutic compounds is made more necessary by the persistent problem of the absence of licensed medications or vaccinations. By saving money and time, computer-aided drug design has sped up the process of finding and developing new drugs. The structured-based and ligand-based drug discovery subcategories of computer-aided drug design (CADD) are the …
Published in International Journal of Virus Studies · Vol. 1, Issue 1, 2024 · pp. 1–15 Read article
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A Study to Assess the Stress and Anger Management by Deep Breathing Exercise and Meditation Among Adolescent Nursing Students at a Selected Nursing School in Delhi
Abstract: Introduction: Stress is a response that can lead to physical, emotional, or psychological strain. It is a frequent occurrence in daily life. Stress acts as the body's natural mechanism for defense against potential threats and dangers. It initiates a release of hormones that ready the body's functions to either confront danger head-on or retreat, commonly known as the fight-or-flight reaction. Anger can be caused by both external and internal events …
Published in International Journal of Evidence Based Nursing And Practices · Vol. 2, Issue 1, 2024 · pp. 15–19 Read article
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AI Evaluator – Automated Examination Evaluation
Abstract: An AI system for automated exam grading is proposed. It tackles inefficiencies in human evaluation. The system uses TrOCR for accurate handwritten text recognition and a GPT model trained on graded responses for evaluation. This approach offers efficiency and reduced bias, but challenges remain. Evaluating open-ended questions and ensuring explainability require further development. It starts by looking at how AI technologies, such as machine learning, deep learning, and natural language …
Published in Trends in Opto-electro & Optical Communication · Vol. 14, Issue 1, 2024 · pp. 1–9 Read article
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Synthesis and Characterization of VO 2+ doped SrMg 2 (PO 4 ) 2 Nanopowder by Solid State Reaction technique suitable for White LED material
Abstract: VO2+ doped SrMg2(PO4)2 nanopowder was synthesized by using solid state reaction (SSR) technique. Various experimental techniques have been performed on prepared sample. XRD analysis has revealed that prepared nanopowder is in monoclinic phase. The average crystallite size, micro strain and dislocation density evaluated and make an analogy with W-H plot method. SEM micrographs shows that agglomerated stone like structure and EDS spectrum shows elemental compositions of synthesized sample. FTIR spectrum …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 95–110 Read article
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Incorporating Material Fatigue Parameter Determine in The Rolling & Sliding Contact Fatigue Analysis of Gears
Abstract: As the material's intricate stresses and strains are always shifting during phases of loading, determining the predicted equipment working under rolling-sliding contact loads and their fatigue lives (wheels, bearings, and gears) is particularly difficult. Another difficulty is not knowing the precise characteristics of the material used to make the components, which is particularly noticeable. when it comes to heat-treated components, where the material characteristics' values can differ greatly among the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 1–5 Read article
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A Review on Aerospace Materials and Metallurgy
Abstract: Aerospace metalworking is comparable to the foundation of both space travel and transportation. It involves the scientific design and application of metals and alloys to offer components with the strength required for flight and the ability to survive harsh environments. Although other alloys feature cobalt or iron as the main ingredient, nickel makes up most of alloys used in aeronautical applications. When exceptionally high strength is required in moderate-temperature settings, …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 2, Issue 1, 2024 · pp. 21–26 Read article
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An experimental study on flexural behavior of RC beams of Alccofine based engineered concrete infusing steel fibres
Abstract: The innovations in concrete being engineered to the specific requirements have found a new dimension under sustainability. Alccofine is a sustainable construction material derived from GGBS. The primary objective of the study is to explore the potential of Alccofine particles in varying proportions in combination with 0.5% steel fibers to uplift the flexural strength of the engineered concrete. As concrete is known to be a brittle material once hardened, exhibits …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 87–97 Read article
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Regulatory Requirements for Pharmaceutical Product Registration in Zambia
Abstract: There is a significant burden of diseases in Zambia and its neighboring countries, such as malaria, HIV/AIDS, and other ailments. These health challenges necessitate a high consumption of pharmaceutical products. Currently, the majority of essential health drugs in Zambia are imported from outside of Africa. This reliance on external sources presents an opportunity for new investments in the local manufacturing of pharmaceutical products. Although Zambia may not be the largest …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 11, Issue 2, 2024 · pp. 33–41 Read article
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Development and Fabrication of Biohydrogel for Targeted Delivery of Delafloxacin for Bacterial Skin Infections
Abstract: The escalating challenge of bacterial resistance necessitates innovative drug delivery systems to enhance the efficacy of antibiotics. This study focuses on the development and optimization of a biohydrogel formulation for the targeted delivery of Delafloxacin, aiming to improve its therapeutic outcomes against resistant bacterial strains. Utilizing a 3² factorial design, biohydrogel formulations incorporating Poly(N-isopropylacrylamide) (PNIPAM) and Genipin were synthesized. The optimization process was guided by Design Expert software, focusing on …
Published in Research & Reviews: A Journal of Drug Design & Discovery Read article
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Enhancing Cooling Efficiency in Dual Nozzle CO2-Based Vortex Tube Systems for Machining Titanium Alloys: Implications for Polymer and Composite Processing
Abstract: In machining of Titanium alloys, the cutting temperature plays a vital role that directly influences the performance and it is required to maintain as low as possible. In this study, a dual nozzle Vortex Tube Cooling System (VTCS) that supplies cool compressed CO2 gas is developed to reduce the cutting temperature in Ti-6Al-4V machining. The experiments were conducted at constant cutting and flow parameters during turning at different levels of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 284–291 Read article
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Prevalence and Distribution of Staphylococcus Aureus in Clinical Samples Across Age Groups
Abstract: The bacteria that cause everything from ordinary skin infections to serious illnesses is called Staphylococcus aureus. It is now known that Staphylococcus aureus may develop resistance to a variety of drugs. Staphylococcus aureus has been displaying an unusual kind of resistance to antibiotics, especially to those based on β-lactum. As a result, Methicillin Resistant Staphylococcus Aureus (MRSA) is the new name for the resistant strain of Staphylococcus aureus. The prevalence …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 14, Issue 2, 2024 · pp. 15–19 Read article
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Patient Profile and Antimicrobial Susceptibility Testingin Clinical Isolates of Staphylococcus aureus
Abstract: INTRODUCTION: Staphylococcus aureus is a gram-positive bacterium capable of causing various infections, ranging from minor skin infections to serious bloodstream infections. The rise of methicillin-resistant S. aureus (MRSA) strains has made treating these infections more challenging, as MRSA is frequently resistant to several types of antibiotics.. OBJECTIVE: The aim of this study was to investigate the patient profile and antimicrobial susceptibility patterns of clinical isolates of S. aureus in a …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 2, 2024 · pp. 31–38 Read article
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Experimental Study on Load Transfer Mechanism in Columns Retrofitted by Bonding Precast Segments and FRP Wrapping
Abstract: An experimental study was conducted to investigate the load transfer mechanism in columns retrofitted with precast segments and Fiber-Reinforced Polymer (FRP) wrapping. As the demand for structural retrofitting grows, it becomes crucial to comprehend the behavior and effectiveness of retrofit techniques to ensure the safety and integrity of existing infrastructure. The study involved subjecting a series of column specimens to axial compression loads in order to evaluate the load transfer …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 153–165 Read article
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Microstructural and Mechanical characterization of Brass and Bronze alloys
Abstract: Brass, a copper and zinc alloy, is renowned for its malleability and resistance to corrosion, which makes it perfect for musical instruments and plumbing. Aluminium bronze, containing copper and aluminium, offers superior strength and wear resistance, commonly used in marine and industrial applications for its durability and corrosion resistance. This study aimed to compare the micro and macro structural characteristics of brass and aluminium bronze alloys. The microstructures of these …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 2, 2024 · pp. 28–37 Read article
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Synthesis, Characterization and Evaluation of Pyridine derivatives
Abstract: Schiff bases, a class of organic compounds, have garnered significant attention due to their diverse applications in various fields such as pharmaceuticals, materials science, and coordination chemistry. This study provides a comprehensive overview of the synthesis of Schiff bases amino pyridine derivatives and aromatic ketones along with their anti-microbial activity. Method: The synthesis of Schiff bases primarily involves the condensation reaction between a primary amine and a carbonyl compound (ketone) …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 11, Issue 2, 2024 · pp. 35–48 Read article