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283 articles for “stress-testing”
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High-Performance Liquid Chromatographic Assay of Nateglinide and its Stability Study
Abstract: Nateglinide (NTG) is a D-phenylalanine derivative used in the treatment of type-2 diabetes mellitus. An accurate, sensitive and reproducible high-performance liquid chromatographic (HPLC) method has been developed and validated for the quantification of NTG in pharmaceutical samples. The drug was eluted from Inertsil ODS 3V (150×4.6 mm; 5 µm particle size) column at 30á´¼C with a mobile phase consisting of phosphate buffer of pH 3.3 and methanol (70:30 v/v). The …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 7, Issue 3, 2016 · pp. 41–52 Read article
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Impact of Various Front-line Hypertensive medication on Blood Pressure Control During Maximum Exercise Testing in Coronary Artery Disease Patients
Abstract: It has long been known that blood pressure (BP) and cardiovascular morbidity are related. It is acknowledged that blood pressure during activity may serve as a more reliable indicator than resting blood pressure, which might not accurately reflect blood pressure at other times. Goals: 1) To assess how blood pressure behaves during physical activity in individuals with coronary artery disease (CAD) whose hypertension is managed with first-line antihypertensive medications. 2) …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 14, Issue 2, 2024 · pp. 37–41 Read article
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Transient Heat Shock Induces Oxidative Stress in Mice Testes. Amelioration by Selenium and Vitamin E
Abstract: The present study evaluated the role of Selenium (0.5 ppm selenium/kg diet) and Vitamin E (200 mg alpha-tocopherol/kg diet) (as antioxidants) in modulating the oxidative stress induced during transient heat shock (42°C-30 mins) in mice testes. Study included six different groups of male Balb/c mice; Control, Heat shock, Selenium, Selenium+heat shock, Vitamin E and Vitamin E+heat shock. Sperm parameters viz. sperm concentration and sperm motility, LPO and ROS levels, GSH, …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 17–31 Read article
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Fracture Toughness in Advanced Materials: A Comparative Review of Testing Methods and Standards
Abstract: Fracture toughness is a key material property used to assess a material's ability to resist crack propagation, which is vital for ensuring the reliability and durability of structures and components in high-performance applications. It is particularly important in advanced materials such as composites, ceramics, and high-strength alloys, which are increasingly used in demanding industries such as aerospace, automotive, and civil engineering. Fracture toughness testing helps determine the material's behavior under …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 1, 2025 · pp. 17–21 Read article
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Investigation of Residual Stress, and corrosion behavior of AA6082/Al 2 O 3 /C/ Si 3 N 4 Composite Material
Abstract: The main objective of the current study was to create AA6082/ Al2O3/C/Si3N4 Composite Material by the use of stir casting. The properties of the AA6082/ Al2O3/C/ Si3N4 Composite Material shown a significant improvement, with a micro-hardness rise of 13.5% and a residual stress decrease of 60%. As the testing parameters were increased, the residual stress of the AA6082/ Al2O3/C/ Si3N4 Composite Material rapidly decreased from -65MPa to -15MPa. An electromagnetic …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1104–1109 Read article
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Experimental Analysis of Residual Stress, Micro-Hardness and Corrosion Behavior of HVOF Sprayed Composite Coating
Abstract: The utilisation of non-traditional composite coating materials, enhanced lubrication, and surface geometry optimisation have all contributed to the tribological performance. Piston rings are among the most crucial engine parts since friction causes between 40 and 45 percent of all energy loss. Fuel efficiency, power loss, and exhaust pollutants are all strongly impacted by the piston assembly's tribological performance. The present study's primary goal was to develop composite coating by using …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 77–82 Read article
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Correlation Between XRD Analysis and Mechanical Characterization Using Lens Manufactured Specimens Based on IoT Sensors
Abstract: The advent of the Internet of Things (IoT) has enabled the seamless integration of sensors into the manufacturing process, facilitating the collection of real-time data for analysis and optimization. The correlation between X-ray diffraction (XRD) analysis and mechanical characterization is investigated using specimens manufactured through the Laser Engineered Net Shaping (LENS) technique. The study focuses on three different materials: brass, SS202, and SS304. XRD analysis is employed to determine the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 41–58 Read article
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Thermo-Mechanical Analysis of Aluminium and Mild Steel during Friction Drilling
Abstract: Friction drilling is a non-machining method of making holes in metal, in which the material is melted by adding high pressure and friction energy. Friction drilling uses very heat resistant cemented carbide, pointed but not sharp object. This device is pressed against a target material with both high rotational speed and high pressure. The process reshapes all thematerial so that no material is lost. The sleeve that is about three …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 18–24 Read article
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A Study on the Incidence and Prevalence of Cardiovascular Morbidity and Mortality in Patients Undergoing Maintenance Hemodialysis
Abstract: Cardiovascular Disease (CVD) is a major complication for patients with end-stage renal disease (ESRD) on Hemodialysis (HD), with the mortality rate from CVD being nearly 20 times higher than in the general population. As Chronic Kidney Disease (CKD) advances, patients accumulate both traditional and kidney-specific cardiovascular risk factors, such as hypertension, diabetes, fluid overload, electrolyte imbalances, and uremic toxins. These factors contribute significantly to the increased cardiovascular morbidity and mortality …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 14, Issue 3, 2024 · pp. 56–66 Read article
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Estimation of Mechanical Properties of Kevlar/Basalt Intrawoven Composite Laminates Containing Nanoparticles
Abstract: Purpose: The research describes estimation of various Mechanical properties like compression, tensile, shear and impact strength of Kevlar/Basalt (KB) Intrawoven 1×1 composite laminates, each comprising 1%, 3% and 5% of Al2O3 (Aluminium oxide) nanoparticles. Design/methodology/approach: These are woven with the help of manual handloom weaving machine, compression moulding technique was adopted for the fabrication of hybrid composite laminates. Attempts have been made to analyse the mechanical properties of Kevlar/Basalt intrawoven …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 1–12 Read article
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Stress: The Negative Modulator of NGF
Abstract: Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Depression is associated with deficiencies in mono-aminergic transmitters and possibly neurotrophins. Stress-induced helplessness in rodents constitutes a well defined model to investigate neurobiological mechanisms of …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 1, Issue 2, 2011 · pp. 1–7 Read article
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Ameliorating Effect of Vitamin C on Acid Orange 7 Induced Oxidative Stress in the Gill of the Fish, Anabas testudineus (Bloch, 1792)
Abstract: Acid orange 7, an azo dye, was exposed to Anabas testudineus at a sublethal concentration (0.27 g/l) for 24, 72 and 96 h in order to evaluate the antioxidant status in the gill tissue. In addition, vitamin C at 0.55 g/l was exposed for 7 days after the dye exposure. Acid orange 7 decreased the body weight of fish, whereas mucous deposition increased significantly as the first line of defensive …
Published in Research and Reviews: A Journal of Toxicology · Vol. 8, Issue 3, 2018 · pp. 15–27 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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A Study to Assess the Effectiveness of Benson’s Relaxation Therapy on Blood Pressure and Stress Among Mothers with Gestational Hypertension
Abstract: The quasi-experimental study, to know the effectiveness of Benson’s relaxation therapy on blood pressure and stress among mothers with gestational hypertension, was done with 20 gestational hypertension mothers, 10 in the experimental and 10 in the control group. The experimental group was instructed on Benson's relaxation technique. They were asked to perform it thrice a day for 20 minutes daily for a period of 6 days. On the seventh day, …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 12, Issue 3, 2022 · pp. 1–13 Read article
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A study to investigate the shear strength resistance of Ennore sand from conventional direct shear test.
Abstract: In this article analysis of shear strength parameters of Ennore Sand is given using the direct shear test. The shear strength parameters of cohesion and angle of shearing resistance are employed in the construction of geotechnical constructions to describe the soil's ability to sustain shear stress when subjected to a certain load. These might be measured using laboratory or field testing. When shearing a sample in a direct shear apparatus, …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 3, 2022 · pp. 19–26 Read article
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Investigations of Mechanical Testing and its Effects on Lithium Ion Battery and Battery Pack for Electric Vehicle Application
Abstract: This research delves into the comprehensive study of mechanical testing methodologies and their consequential impact on the structural integrity, safety, and performance of Lithium-Ion batteries (Li-ion) and battery packs designed for electric vehicle (EV) applications. The investigation aims to enhance the understanding of mechanical stressors' influence on the reliability and safety of energy storage systems crucial for the sustainable advancement of electric mobility. The paper opens with mechanical testing protocols …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 2, 2024 · pp. 35–49 Read article
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Two New, Useful and Facile Stability-Indicating UV Spectrophotometric Methods for the Determination of Rosiglitazone in Pharmaceuticals
Abstract: Rosiglitazone (ROS) is an antidiabetic drug belonging to the thiozolidine class. Two simple, rapid, sensitive, accurate and reproducible UV-spectrophotometric methods were developed and subsequently validated for the determination of ROS in bulk and tablet form. The methods are based on the measurement of the absorbance of the drug solution either in 0.1 M NaOH (NaOH method) or in 0.1 M HCl (HCl method) at 316 nm in both instances. The …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 8, Issue 2, 2017 · pp. 8–19 Read article
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Influence of Constant Micro Strain Levels on the Strength Properties of the Asphalt Concrete mixture
Abstract: Asphalt concrete mixture is designed to resist the deformation and vehicular traffic loading throughout its service life. However, when the asphalt concrete pavement practices over loading within the service life period, it exhibits cracking and rutting. In the present investigation, an attempt has been taken to understand the strength performance of asphalt concrete when practicing variable levels of constant stresses. Asphalt concrete mixture was prepared at optimum asphalt cement requirement …
Published in Trends in Transport Engineering and Applications · Vol. 10, Issue 3, 2023 · pp. 29–35 Read article
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Performance and Structural Analysis of Different Lithium-Ion Battery Chemistries for Electric Vehicle Applications
Abstract: Lithium-ion batteries (LIBs) stand at the forefront of electric vehicle (EV) technology and have become a driving force behind the development of advanced energy storage systems. In this study, performance and structural analysis of different lithium-ion battery (LIB) chemistries—namely Lithium Nickel Manganese Cobalt Oxide (NMC), Lithium Iron Phosphate (LFP), Lithium Cobalt Oxide (LCO) and Lithium Nickel Cobalt Aluminum Oxide (NCA)—is presented. The study explores important performance parameters like energy density, …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 3, Issue 2, 2025 · pp. 13–31 Read article
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Forecasting Climate-Driven Healthcare Demand in Agricultural Regions: A Multi-Modal AI Approach
Abstract: The rapidly increasing instability of world climatic regimes has made past meteorological thresholds irrelevant, especially in the agricultural areas where monetary stability and well-being of humans are closely intertwined with an environmental situation. The more the frequency of 1 in every 1000-year events, i.e., heatwaves and catastrophic flooding increase, the greater the rural healthcare systems are in crisis, i.e., unable to predict a surge in demand because of data scarcity, …
Published in International Journal of Climate Conditions · Vol. 2, Issue 2, 2025 · pp. 28–38 Read article