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1951 articles for “Determination” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Long-Period Fiber Grating Sensor to Determine Fluoride Contamination in Water
Abstract: The spectral response of uniform long period fiber grating is analyzed theoretically considering fluoride contaminated water as its surrounding medium. The response is studied for fluoride concentration variations ranging from 1 to 20 ppm. Our analysis is based on the study of shift in resonance wavelength of the grating with change in effective refractive indices of cladding modes due to change in fluoride ion concentration in water. Results provide insight …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 3, 2018 · pp. 36–43 Read article
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Determination of RP-HPLC Method for Safinamide: Its Bulk and Tablet Dosage Form
Abstract: A new method was established for estimation of Safinamide by RP-HPLC method. The chromatographic conditions were successfully developed for the separation of Safinamide by using Agilent C18 column (4.6×150 mm, 5 µ); flow rate was 1 ml/min, mobile phase ratio was Methnol, Acetonitril (60:40), pH 3 (pH was adjusted with orthophosphoric acid), detection wavelength was 235 nm. The instrument used was WATERS HPLC Auto Sampler, Separation module 2695, photo diode …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 5, Issue 3, 2018 · pp. 1–6 Read article
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Determination of the Total Flavonoid Contents of the Plant Parts of the Albizzia siris (L.) Benth.
Abstract: Antioxidants are the compounds which help in the reduction of the prediction of the free radicals in the body. There are several kinds of the metabolic processes by which the antioxidants are produced in the body and they are responsible for the several kinds of the neurodegenerative diseases and several kinds of the metabolic disorders. In the nature, many kinds of the plant genera exist, and they reduce the production …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 6, Issue 1, 2019 · pp. 1–3 Read article
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Development and Validation of a Gradient RP-HPLC Method for Quantitative Determination of Potential Manufacturing Impurities in New Drug Apronalide and Pharmaceutical Formulations
Abstract: Three impurities in apronalide drug substance were detected and quantified using a simple isocratic reverse phase HPLC method. The chromatographic separation was achieved on a Thermo Hypersil gold-CN, 100 A0 5 µm, and 250X4.6 mm using a mobile phase consisting of phosphate buffer (pH-4.6) - Methanol with UV detection at 210 nm and flow rate of 0.8 ml/min. The column temperature was maintained at 250C throughout the analysis. This method …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 1, Issue 1, 2014 · pp. 1–10 Read article
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Development and Validation of RP-HPLC Method for Determination of Thermal Degradation Impurity in Macrolide Immunosuppressant Substance and Drug Product
Abstract: The present study describes a simple and stability-indicating reverse phase high-performance liquid chromatography (RP-HPLC) method for the quantification of the thermal degradation impurities of Tacrolimus (FK506) namely Ally ester rearrangement impurity (Impurity R) in Tacrolimus capsules and drug substances. Successful separation of impurity R from Tacrolimus, its other related substances and its tautomers were achieved on a Zorbax XDB C8 (150×4.6 mm, 5 μm) and detector of UV at 210 …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 3, Issue 1, 2016 · pp. 14–19 Read article
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Bergenin: Review of The Methods of Determination and Quantification
Abstract: Studies have shown that Bergenin has various pharmacological functions, such as Anti-lithiatic, Anti-oxidant, anti-inflammatory, Anti-bacterial, Anti-viral, Anti-cancer, Anti-cholinesterase, Anti-diabetic, Hypolipidemic, Anti-tussive, Hepatoprotective and Immunomodulatory. Bergenin is found in the Saxifragaceae, Euphorbiaceae, Myrsinaceae, Dipterocarpaceae, and Fabaceae genera and a range of beneficial effects on human health. The number of bioactive compounds in various bergenia species must be determined in order to achieve the best quality raw material for herbal preparations. As …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 8, Issue 2, 2023 · pp. 52–66 Read article
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Determination of Gastric Irritation Inducing Effect of Iron-Containing Unani Compound Formulations In Animals
Abstract: AbstractBackground: Iron is the most commonly used metal for human welfare on earth and also a vital element for sustenance of life.Iron deficiency is a common affliction of human beings all over the globe and presents as iron deficiency anaemia. Most effective and preferred treatment of iron deficiency is replenishment of iron by oral administration. Successful completion of treatment depends on tolerance of the prescribed drug by a patient. Oral …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 9, Issue 3, 2022 · pp. 27–30 Read article
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Development and Validation of Spectrophotometric and Colorimetric Method for the Determination of Ritonavir in its Bulk and Pharmaceutical Dosage Form
Abstract: A straightforward, exact, precise and sensitive UV spectrophotometric assay technique and a basic and sensitive colorimetric assay method have been created and validated for the quantitative estimation of Ritonavir from bulk drug and tablet formulations. UV spectrophotometric strategy which includes the assurance of Ritonavir in bulk medication and pharmaceutical dosage forms and has an assimilation greatest at 240 nm in methanol. The Beer's law was obeyed over the concentration range …
Published in Trends in Drug Delivery · Vol. 4, Issue 3, 2017 · pp. 32–41 Read article
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Quantitative Determination of Isomeric Components of essential oils by RP-HPLC-PDA in multi-herbal tablets
Abstract: Essential oils are lipophilic and highly volatile secondary plant metabolites, principally mono- and sesquiterpenes. The widespread usage and applications in biopharmaceutics and cosmoceutics of these components drives their quality assessments criteria to be established. Gas chromatography is one of the predominantly used technique for analyzing volatile oils. Although Gas Chromatography employs estimation designs operated at elevated temperatures leading for plausible structural alterations of thermo labile compounds. Hence, a novel gradient …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 11, Issue 3, 2020 · pp. 19–28 Read article
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A Study to Determine the Impact of a Structure Teaching Program on the Knowledge of Needle Stick Injury Among Hospital Staff Nurses
Abstract: Needle stick injuries occur when needles accidentally puncture the skin, posing a risk to individuals working with hypodermic syringes and other needle equipment, particularly in healthcare settings. These injuries are recognized as occupational hazards in the medical field and raise concerns about the potential transmission of blood-borne illnesses, including hepatitis B virus (HBV), hepatitis C virus (HCV), and human immunodeficiency virus (HIV). Although the immediate physical effects of needle stick …
Published in International Journal of Community Health Nursing And Practices · Vol. 1, Issue 2, 2023 Read article
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Development and validation of a method for simulataneous determination of tenovifir disoproxil fumarate emtriculabine and isonized in bulk and pharmaceutical dosage form using RP-HPLC with relevance to toxicological aspects
Abstract: Hence, proposed analytical methods are simple, novel, economical, rapid, sensitive, reproducible and accurate for the Simultaneous estimation of Tenofovir Disoproxil Fumarate, Emtricitabine and Isoniazid in Bulk and Phamaceutical dosage form by using RP- HPLC. This Method gives reliable assay results with short analysis time using mobile phase of Acetonitrile : 0.02M Potassium Dihydrogen Orthophosphate: water (pH 5.3) in the ratio of 60: 25: 15 respectively. Retention time was found to …
Published in Research and Reviews: A Journal of Toxicology · Vol. 14, Issue 1, 2024 · pp. 17–25 Read article
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Determining the Characteristics of Concrete Composed of Different types of Aggregates
Abstract: This study investigates the influence of recycled aggregates on the compressive strength of concrete designed for medium workability. Various replacement proportions of recycled aggregates (0%, 50%, 60%, and 100%) were examined using conventional mix design methods, specifically focusing on 10 mm recycled aggregates' impact. The specimens comprised 100% recycled aggregate, with a combination of 60% 20 mm and 40% 10 mm sizes. Compressive strength analyses were conducted at 7 and …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 1–5 Read article
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Determining the Root Causes of Complications in Hemodialysis
Abstract: As with peritoneal dialysis and kidney transplantation, hemodialysis has been considered one of the most effective therapies for the replacement of kidney function. While this helps to save patients with the disease by decreasing morbidity /mortality/ rates, this medication has some side effects. These may manifest during the dialysis process alongside the ongoing treatment. Avoiding these barriers becomes crucial for improving the patients’ prognosis in this context.We are going to …
Published in Emerging Trends in Metabolites · Vol. 1, Issue 1, 2024 · pp. 27–47 Read article
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A Study on Determination of Seismic Susceptibility in Existing Buildings in Ward No-18 of Dhaka North Using Rapid Visual Screening (RVS) Method
Abstract: The research work presents a comprehensive analysis of the Rapid Visual Screening (RVS) method applied to 200 buildings in Ward No. 18 of Dhaka North City. The study focused on assessing the seismic vulnerability of these structures, categorizing them into damage grades based on the RVS evaluation. Strikingly, the findings revealed that 191 out of the 200 buildings were classified as damage grade 5, signifying severe structural deficiencies. In contrast, …
Published in International Journal of Climate Conditions · Vol. 1, Issue 1, 2024 · pp. 28–37 Read article
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Determining the Optimal Thickness of Canal Lining for Enhanced Durability and Efficiency
Abstract: The thickness of canal lining plays a crucial role in preventing soil erosion caused by the thrust of water exerted in the canal due to standing water and the velocity of water flow. An optimally designed lining must be robust enough to withstand these forces while ensuring minimal seepage and maintaining the structural integrity of the canal. Various materials are used for canal lining, each with its own advantages and …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 2, 2024 · pp. 44–49 Read article
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Raman Spectroscopy for The Determination of Relative Crystallinity of Carbon Fibers
Abstract: Analogous to X-ray diffraction technique, the light scattering technique discovered by Sir CV Raman has great potential in quantifying the crystallinity of new materials, like the highly crystalline pitch based carbon fibers (NX90 and NX100). For comparison the Raman spectra of polyacrylonitrile based carbon fibers (T700SC) were also recorded. From the Raman spectral analysis, it was found that the pitch based carbon fibers exhibit far far higher degree of crystallinity …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 1, 2024 · pp. 30–38 Read article
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RP-HPLC method for simultaneous determination of Drospirenone and Ethinylestradiol in Bulk and their Pharmaceutical dosage form
Abstract: Oral contraceptive is used to prevent the pregnancy which is contain hormones to block the release of eggs from the ovaries. Most of them contain estrogen and progesterone. Nowadays, usage of hormonal contraceptive is sharply enhancing; around 100 million of women worldwide are taking these drugs. With this drug fertility rate can be supressed as long as they want or plan their activity along with these drugs provide efficacy, reliability, …
Published in Trends in Drug Delivery · Vol. 11, Issue 3, 2024 · pp. 46–67 Read article
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Determination of Effect of Temperature on Bacteria and Fungi (Salt and Fresh Water)
Abstract: This study investigates the effect of temperature on bacterial and fungal activity in fresh and saltwater environments contaminated with crude oil. Utilizing standard characterization techniques, pure cultures of bacteria and fungi were isolated and identified. A bioreactor setup was employed to assess microbial growth and heat generation at varying temperatures (15°C to 120°C) over a 6-hour period. The results demonstrated that temperature significantly influences microbial activity, with bacterial growth rates …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 01–08 Read article
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Determinants of Smallholder Farmers Quantity of Coffea arabica L., Supply to Market: A Case of Gimbo District, Kaffa Zone, Ethiopia
Abstract: This study investigates the factors influencing the market supply of coffee in various districts of the Gimbo District, Kaffa Zone, in Southwest Ethiopia. Coffee is Ethiopia's most significant export crop, recognized for its extensive genetic diversity and its substantial contribution to the country's GDP. Despite the district's strong production capacity, the marketing structure remains predominantly traditional, compelling producers to sell through conventional channels that do not offer premium prices, thereby …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 14, Issue 3, 2025 · pp. 107–120 Read article
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Nutrient Sensing and Microbiota Crosstalk: Driving Determinants Shaping Metabolic Stability and Adaptive Physiology for Animal Health
Abstract: Nutrient sensing is a fundamental cellular process that enables animals to adapt to fluctuating dietary inputs while maintaining metabolic homeostasis and health. Recent advances reveal that the gut microbiota functions as an active metabolic partner, producing bioactive metabolites that directly influence host nutrient-sensing pathways and downstream cellular responses. This review synthesizes current knowledge on the integration of key signalling networks, including adenosine monophosphate activated protein kinase (AMPK), mechanistic target of …
Published in International Journal of Molecular Biotechnological Research · Vol. 4, Issue 2, 2026 Read article