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137 articles for “Estimation of concentration”
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Spectroscopic and Chromatographic Methods for Estimation of Voriconazole in Bulk and Pharmaceutical Dosage Forms
Abstract: Rapid, accurate and precise methods have been developed for estimation of voriconazole in bulk and pharmaceutical dosage forms using Ultraviolet (UV) spectroscopy and reverse phase high performance chromatography (RP-HPLC). The λmax selected in UV spectroscopy method was 255 nm and the calibration curve was linear in the concentration range of 2-50 µg/mL with correlation coefficient (r2)>0.99. In RP-HPLC method, the separation was carried out on Kromasil C18 (250 x 4.6mm, …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 8, Issue 1, 2023 · pp. 33–39 Read article
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Screening of Secondary Metabolites for Estimating Antimicrobial and Antioxidant Potency of Clitoria ternatea (L.)
Abstract: The present study was carried out for the screening of secondary metabolites for estimating the antimicrobial potency of Clitoria ternatea (L.). In this study antimicrobial activity of leaves of Clitoria ternatea were studied by analyzing in different concentrations ranging from 100–500 µg. We observed that at higher concentrations (>300 µg) ethanolic extract of Clitoria ternatea showed certain significant antimicrobial effect. Antimicrobial activities against Escherichia coli, Fusarium verticillioides, Klebsiella sp., Aspergillus …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 1–6 Read article
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Effects of Sub Chronic Dermal Exposure of Gasoline Blended with Varying Concentration of Benzene on Hepatic Mixed Function Oxidases in Rats
Abstract: Interaction of chemicals in a mixture, their biotransformation and adverse impact, if any, on environment and workroom atmosphere needs to be evaluated to identify the nature of potential toxic effects elicited by constituent chemical(s) in a mixture. The nature of chemical interaction(s) through which an individual chemical in a mixture undergoes metabolism and/or biotransformation in the target tissue could be helpful in evaluation of its toxic potential. Gasoline is a …
Published in Research and Reviews: A Journal of Toxicology · Vol. 3, Issue 1, 2013 · pp. 1–5 Read article
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Tribological Behaviour of PTFE based Composite Materials with Different Filler Materials: A Combine Numerical and Experimental Approach
Abstract: This study investigates the tribological behaviour of Polytetrafluoroethylene (PTFE) composites reinforced with various fillers, utilizing the Archard wear model to analyse wear mechanisms and predict wear rates. PTFE is widely recognized for its excellent chemical resistance and low friction, but its inherent wear resistance is relatively poor. To enhance its tribological properties, fillers such as glass fibres, carbon fibres, bronze, and graphite were incorporated into the PTFE matrix. In the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 547–557 Read article
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Mathematical Modeling of Concentration Flux in Thermosensitive Biopolymer-assisted Drug Delivery
Abstract: A mathematical model of drug concentration flux across thermosensitive biopolymer with degradable cross-link was developed to predict the effect of the physical configuration and chemical composition of thermosensitive biopolymer on the kinetics of MK2 inhibitor peptide drug release. The overall goal of this research was to efficiently model the 3D drug release kinetics of a controlled drug from a double-shell spherical nanoparticle. The newly developed model would be used to …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 3, 2022 · pp. 9–15 Read article
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Prediction of Depth-Induced Stress Distribution and Maintenance Cost Implications for Submerged Structural Components
Abstract: This study investigates the influence of water depth on stress distribution and structural integrity of submerged mechanical components . Structural models fabricated from mild steel, stainless steel, carbon steel, and copper alloy were examined under hydrostatic loading corresponding to water depths between 30 cm and 150 cm. Results indicate that normal and shear stresses increased proportionally with depth due to intensified hydrostatic pressure. Mild steel exhibited the highest stress concentrations, …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 2, 2025 · pp. 29–35 Read article
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Socioeconomic Inequalities in Utilisation of AYUSH Systems of Medicine in North-East India: Evidence from NSS 79th (2022–2023) Round on AYUSH
Abstract: Background: Socioeconomic inequality in healthcare Utilisation continues despite policy focus on universal health coverage and Sustainable Development Goal 3. India's traditional, complementary, and alternative medicine systems are generally termed as AYUSH. AYUSH has been consolidated into the national health policy; however, empirical findings on its distributive equity persist as limited. This study estimates and decomposes socioeconomic inequality in Utilisation of AYUSH systems of medicine among the adult age group 15 …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 15, Issue 1, 2026 · pp. 29–42 Read article
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Water Comparative Study of Water Quality
Abstract: Water quality plays a vital role in safeguarding human health, maintaining environmental balance, and supporting socio-economic progress. For drinking purposes, water must satisfy established physical and chemical criteria to minimize health hazards and ensure the efficient functioning of biological processes. This research focuses on a comparative assessment of drinking water quality by analyzing key parameters such as pH, Total Dissolved Solids (TDS), hardness, and fluoride levels in both tap water …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 1, 2026 · pp. 85–98 Read article
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Satellite Based Assessment of Biomass and Carbon Stock for a Mountainous Watershed Using Geoinformatics Technique
Abstract: Biomass and carbon estimation methods are relatively time consuming and more expensive, not uniformly standardized across the world, and are characterized in many regions by undersampling. Remote sensing technologies provide powerful tools for observing biomass and carbon stock estimation in mountain environments. The study gives a practical method for mapping forest biomass and carbon stock that uses spatial information on forest type and structural attributes extracted from a satellite image. …
Published in Journal of Remote Sensing & GIS · Vol. 3, Issue 1, 2012 · pp. 33–50 Read article
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A Study of Environmental Pollution in Some Areas of the City of Najaf for Some Heavy Metals
Abstract: Pollution is one of the most important problems that people face at the present time, and the problem of soil pollution is the most serious, due to its relationship to human health and other organisms. Soil sample collection areas in the city of Najaf were chosen based on several factors, including traffic, industrial and urban activities, and population density. Soil samples were taken at a depth level ranging between 0-15 …
Published in Research & Reviews : Journal of Ecology · Vol. 13, Issue 2, 2024 · pp. 14–23 Read article
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Production of Cellulosic Biofuel by using Different Pretreatment Process
Abstract: The production of Biofuels is increased by 20% since 2017. Cellulosic biomass is natural and abundantly available material for biofuel production in India. The major source of Biofuel is lignocellulosic waste and the most non-feeding productive crop is cotton in India. Bioethanol production can be achieved using the cotton stalk as raw material because cotton stalk contains a high amount of cellulose (>50%). Among the all process pretreatment process is …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 3, 2020 · pp. 33–37 Read article
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Formulation and Evaluation of Hybrid Polymer Films using Metformin as Model Drug
Abstract: The present work was to formulate transdermal films which can produce a constant and prolonged release of drug using Chitosan and polyethylene oxide. In the present study high molecular weight Chitosan (300 K) and Polyethylene oxide (600 K) were used.initially, pre-formulation studies were performed to check the solubility of drug and polymers. A suitable method was developed for the estimation of absorption maxima of the drug by UV double beam …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 5, Issue 1, 2018 · pp. 1–15 Read article
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Analytical Method Development and Validation for Estimation of Brisoprolol Fumerate in Bulk and Pharmaceutical Dosage Form by UV Spectrometric Method
Abstract: The objective of the present work is to develop a new, rapid, simple, economical, precise, sensitive, linear and accurate, UV Spectrophotometric method has been developed. Phosphate buffer of pH 6.8 is used as solvent for the estimation of Brisoprolol Fumerate bulk and pharmaceutical formulation as per ICH guidelines. Spiked Brisoprolol Fumerate was checked over UV-visible extend for its wavelength of greatest absorbance. The wavelength of most extreme absorbance for Brisoprolol …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 9, Issue 1, 2022 · pp. 34–40 Read article
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Vitamin D in Americantitis population
Abstract: Neurasthenia is also known as Americantitis or nervosism where there is mechanical weakness of the nerves, characterised with symptoms like fatigue, anxiety, headache, heart palpitations, high blood pressure and depressed mood. Vitamin D is increasingly recognized as a critical nutrient with significant roles in various physiological systems, including the nervous, immune, and muscular systems. Emerging research highlights its direct impact on brain health, underscoring the importance of adequate Vitamin D …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 15, Issue 1, 2025 · pp. 7–10 Read article
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Stress and Failure Analysis of Hybrid FRP Laminated Tubular Joints
Abstract: Composite tubes have been used in transporting corrosive fluid in petro chemical and paper industries. [Fiber reinforced Polymers] FRP Composite Pipes are even becoming popular in the offshore oil and gas industry. Bonded joints with tubular adherends are finding applications in various piping industry. In the recent times Hybrid Tubular Bonded Lap Joints (HTLJ) have been extensively used to optimize the cost and to enhance the performance of the joint. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 461–471 Read article
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Development and Validation of Simple UV-Spectrophotometric Method of Quantization of Domperidone in Solid Dosage Formulation using Mixed Solvency Concept
Abstract: Organic solvents are most frequently employed in spectrophotometric analyses. They may be the sources of pollution. Some of them may be toxic, while others may be costlier. Volatility may be a source of inaccuracy in spectrophotometric estimations. In the present investigation, it was proposed to solubilize Domperidone by the use of mixed solvency concept. Domperidone shows maximum absorbance in the concentrations range of 10–50µg/ml at 287 nm. Method of analyses …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 4, Issue 2, 2017 · pp. 19–23 Read article
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Method Development and Validation for Estimation of Brisoprolol Fumerate by UV Spectrometric Method using 0.01N HCl as Solvent
Abstract: The objective of the present work is to develop a new, simple, economical, precise, sensitive, linear, accurate, rapid UV Spectrophotometeric method has been developed, solvent used 0.1 N HCl, for the estimation of Brisoprolol Fumerate bulk and pharmaceutical formulation as per ICH guidelines. Spiked Brisoprolol Fumerate arrangement was checked over UV-visible extend for its wavelength of greatest absorbance. The wavelength of most extreme absorbance for Brisoprolol Fumerate was found to …
Published in Trends in Drug Delivery · Vol. 9, Issue 1, 2022 · pp. 69–74 Read article
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The Reaction About Anti-Hypertensive Drugs According to Plasma Renin-Aldosterone States
Abstract: With recent studies, hypertension has not only a simple pathophysiology, thus it can classify details more about and establishing drug therapy strategies compatible with it is a very important method to improve the organ predictive of patients. The purpose of this study is to compare the responsibility of some anti-hypertensive drugs in hypertensive patients according to plasma renin-aldosterone levels, which becomes the background factor of hypertension. We investigated 71 hypertensive …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 15, Issue 2, 2025 · pp. 14–23 Read article
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Persistent Atmospheric and Ecosystem Impacts of Enteric Methane Emissions from Intensive Livestock Production Systems
Abstract: Enteric methane emissions from intensive livestock production systems exert a significant long-lasting influence on atmospheric stability and ecosystem integrity. Recent observations confirm that global methane emissions continued to rise through the early 2020s, with total emissions exceeding 620 teragrams per year by 2024, driven by expanding ruminant production and associated feed systems. Anthropogenic sources accounted for more than 330 teragrams per year, reflecting sustained growth in agricultural and fossil fuel …
Published in International Journal of Atmosphere · Vol. 2, Issue 2, 2025 · pp. 18–38 Read article
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Development and Validation of a UV-Spectrophotometric method for the Estimation of Nintedanib Esylate in Bulk and its Formulation
Abstract: The present work represents a UV spectrophotometric method for the estimation of Nintedanib Esylate in pure and its formulation. Methanol was used as a solvent. Nintedanib Esylate exhibit absorption maxima at 391 nm. The developed method obeyed Beer-Lambert’s law in the concentration range of 3-18 µg/ml having a line equation Y = 0.065x + 0.001 with a correlation coefficient of 0.999. There is no interference from any pharmaceutical excipients. The …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 9, Issue 2, 2018 · pp. 49–53 Read article