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69 articles for “spectrophotometric”
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Estimation of the Total Phenol Contents of the Stem of the Anogeissus pendula
Abstract: Plants are the greatest gift to human kinds; they are the sources of various kinds of metabolites of known as well as unknown composition. Secondary metabolites are the compounds which are non-nutrient and are rich sources of other activity in the plants. Plant phenolics are the compounds which have phenyl ring in them in addition to two or more hydroxyl rings; they perform variety of function in plants such as …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 5, Issue 3, 2018 · pp. 5–7 Read article
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A Comprehensive Exploration of Method Validation and Development in Pharmaceutical Analysis: Focus on Vortioxetine Analysis
Abstract: The pharmaceutical industry relies on rigorous method validation to ensure the accuracy, precision, and reliability of analytical techniques employed in drug testing and quality control. This comprehensive exploration delves into the validation parameters and guidelines essential for method validation, emphasizing accuracy, precision, linearity, detection and quantitation limits, specificity, range, robustness, and ruggedness. Validation plays a pivotal role in guaranteeing high-quality products, adhering to good manufacturing practices (GMP), and optimizing manufacturing …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 11, Issue 1, 2024 · pp. 46–52 Read article
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Analytical Method Development and Validation for Simultaneous Estimation of Paracetamol and Piroxicam by UV Method
Abstract: A new establishment and validation of a simple, precise, accurate and cost effective UV-Visible spectrophotometric method was developed to estimate both Paracetamol and Piroxicam simultaneously in conjoined pharmaceutical dosage forms. This technique was founded on simultaneous equation method of absorbances recorded at 252.0 nm and 282.0 nm of Paracetamol and Piroxicam in methanol respectively and an isosbestic point could be observed at 265.0 nm. It showed very good linearity over …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 12, Issue 3, 2025 · pp. 14–21 Read article
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Analytical Method Development and Validation of Simultaneous Estimation of Natural Active Constituents Andrographolide and Piperine by UV Method.
Abstract: A simple, accurate, precise, and robust UV-Visible spectrophotometric method was developed and validated for the simultaneous estimation of Andrographolide and Piperine in bulk and combined pharmaceutical dosage forms. Preformulation studies confirmed favorable physicochemical properties for both drugs, including acceptable solubility profiles, melting points, pH values, and partition coefficients. The method development involved determination of λmax values at 224 nm for Andrographolide and 288 nm for Piperine using ethanol as solvent. …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 3, 2025 · pp. 33–41 Read article
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An Overview on Analytical Estimation of Citicoline
Abstract: Citicoline is a medication that is used to treat Alzheimer's disease. Citicoline is a nootropic (brainboosting) substance. It's utilized to treat brain insufficiency as well as other neurological conditions like stroke, trauma, and Parkinson's disease. The results of published analytical methods for the determination of Citicoline in biological and pharmaceutical formulations are summarized in this review article. Various techniques such as Spectrophotometry, liquid chromatography (LC), highperformance liquid chromatography (HPLC), ultra-performance …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 12, Issue 2, 2025 · pp. 1–6 Read article
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Phytochemical constituents of some plants used by the tribals of Dakshin Dinajpur district for medicinal purposes
Abstract: Various phytochemical constituents including alkaloids, phenols, and ascorbic acids were assessed and compared in the four medicinal plants of different families. Four plants used locally for different medicinal purposes were selected for a comparison of their phytochemical constituents. The plants investigated were Clerodendrum viscosum, Moringa oleifera, Cinnamomum tamala and Scoparia dulcis. All theses plants were found to contain the active principles including alkaloids, tannin, saponin, terpenoid, flavonoid, cardic glycoside. Steroid …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 1, Issue 1, 2011 · pp. 1–7 Read article
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Mirabilis Jalapa Flower Extract as Natural Food Dye and Green Cellular Delivery of Nanoparticles
Abstract: Use of artificial colouring agents in sweets and packed food has become a common scenario now a day, which pose serious consequences in consumers especially children. Various studies around the globe reported the serious health hazards of artificial food dyes which include organ damage of liver, kidney and lungs thereby affecting metabolic enzymes, serum creatine and urea levels and brain damage resulting in neurotoxicity and even behavioural deficits in children. …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 8, Issue 2, 2023 · pp. 27–34 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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UV Method of Development and Validation of Olaparib
Abstract: An analytical method must be developed and validated in the discovery, development, and production of pharmaceuticals to ensure the identification, purity, potency, and performance of drug commodities. Quality control laboratories use official test protocols that emerge from the processes. A simple ultraviolet spectrophotometric approach was designed and validated using various characteristics, including linearity. Precision, reproducibility, accuracy, robustness, ruggedness, limit of detection, and limit of quantification are among the measuring criteria. …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 15, Issue 2, 2024 · pp. 20–27 Read article
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Salivary Level of Thiocyanate in Smokers and Non-smokers: A Case Study Taken at Usmanu Danfodiyo University, Sokoto Nigeria
Abstract: Thiocyanate levels were determined by spectrophotometric method, for saliva samples collected from 73 healthy adult volunteers. Individuals were grouped into groups A, B and C based on smoking habits, food intake and non-smoking habits respectively. A significantly higher concentrations of thiocyanate in the saliva samples under A were observed, with a mean concentration of (2.34 mmol/L) compared to the saliva samples under B with a mean concentration of (1.36 mmol/L). …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 7, Issue 1, 2017 · pp. 1–5 Read article
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Physicochemical Characteristics of Different Brands of Edible Oil Available in Bangladesh
Abstract: Physicochemical properties like moisture content, density, smoke point, acid value (AV), peroxide value (PV), saponification value, iodine value were analyzed using standard methods and vitamin E by spectrophotometry to evaluate the quality of edible oils and also to select good quality oils among various brands of edible oils available in the local market of Bangladesh. In the study twelve brands of different oils were purchased from local market of Dhaka …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 7, Issue 3, 2018 · pp. 12–16 Read article
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Advances in Analytical Techniques for Water Quality Assessment
Abstract: Assessing the quality of water is essential for preserving ecological balance and public health. This study evaluates new developments in analytical methods that are meant to improve the accuracy, effectiveness, and reach of water quality monitoring. While fundamental, conventional procedures like spectrophotometry and chromatography have drawbacks in terms of sensitivity and real-time capability. By allowing quick and precise pollutant and contaminant identification, emerging technologies such as sensor networks, remote sensing, …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 2, Issue 1, 2024 · pp. 1–7 Read article
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Historical Development and Potentiality of LED-fluorimeter
Abstract: Pulsed LED-fluorimetry is a highly sensitive, versatile, and well-documented field technique for the direct determination of uranium in water samples at the μgL-1 levels. Pulsed LED-fluorimetry has been utilized to assess uranium in a variety of matrices, including mineralized rocks, ores, beneficiation products, and other matrices, without the need for any kind of separation method. Using the high sensitivity of pulsed LED-fluorimetry, interferences from related and auxiliary elements are removed …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 1, 2024 · pp. 14–21 Read article
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Characterization Of Senna Occidentalis (Link.) Seed Extract
Abstract: Senna occidentalis (L.) Link commonly known as "coffee senna" or majamfari/rai dore in Hausa is a plant with a long history of traditional and medicinal uses against diseases such as inflammation, pains, and diabetes. This study presents characterization of the bioactive compounds of the seed extracts. Physicochemical analysis of seed powder was carried out following standard procedures. Qualitative phyto-chemical contents were determined for the presence and absence of major metabolites. …
Published in Research & Reviews : Journal of Botany · Vol. 13, Issue 3, 2024 · pp. 13–22 Read article
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Physico-Chemical Assessment of River Benue to Determine Pollution Levels Using Chemometric Models.
Abstract: The effects of pollution on water have been reviewed. This study is aimed at determining the level of pollution of the River Benue, with the view of assessing its use as potable water. Different analytical techniques including titrimetry, gravimetry, potentiometry, and spectrophotometry were used for the study. The total hardness gave (22.28 mg/L and 41.87 mg/L) for dry and rainy season respectively. Electrical conductivity gave (91.35 mg/L and 54.10 mg/L) …
Published in International Journal of Pollution: Prevention & Control · Vol. 2, Issue 2, 2024 · pp. 43–76 Read article
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Sustainable Innovations in Green Nanotechnology for Nanoparticle Synthesis
Abstract: Green nanotechnology is an emerging field that focuses on the environmentally friendly production of nanoparticles through biological and sustainable processes. This approach has diverse applications across industries such as pharmaceuticals, energy, electronics, and bioengineering. Compared to conventional methods, biologically driven nanoparticle synthesis, particularly utilizing green chemistry principles, offers a safer, eco- friendly, non-toxic, and cost-effective alternative. Metal nanoparticles are commonly synthesized through top-down and bottom-up strategies using physical, chemical, and …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 1, 2025 · pp. 31–37 Read article
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Novel Amino Silanes for Inhibition and Dissolution of Aldol Polymer for Caustic Tower in Cracker Plant
Abstract: Aldol polymer fouling in petrochemical plant is an undesirable process, which needs to be removed for increasing the efficiency of downstream process. In this paper, inhibition and dissolution efficiency of the aminopropyl trimethoxy silane (APTMS), aminopropyl triethoxy silane (APTES), sodium salt of aminopropyl trimethoxy silane (SS-APTMS), sodium salt of aminopropyl triethoxy silane (SS-APTES) were studied at different molar ratio of vinyl acetate (VA):amino alkoxy silane (antipolymerant). The sodium salt of …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 35–48 Read article
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Studies on the antioxidant content and antimicrobial activity of cucumber (cucumissativus) peel collected from bagmari, kolkata, west bengal, india
Abstract: Cucumber (Cucumis sativus) is widely consumed across the globe, yet its peels are commonly discarded as waste, despite possessing a wealth of bioactive compounds. Recent studies have highlighted that these peels contain substantial amounts of antioxidants, antibacterial, anti-inflammatory, and anti-carcinogenic properties, making them a promising candidate for value-added applications. In this study, methanolic extracts (80% v/v) of cucumber peels were systematically analyzed to assess their total phenolic content (TPC), total …
Published in Emerging Trends in Metabolites · Vol. 2, Issue 2, 2025 Read article
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Comprehensive Analysis of Nutritional Constituents in Food: A Quantitative and Qualitative Approach
Abstract: The nutritional value of food is the quality & safety of food, and its effect on human health. The quest for food composition demands an integrated, quantitative and descriptive treatment. Nutritional Components Major nutritional components including carbohydrates, proteins, fats, vitamins, minerals and dietary fiber, were studied in selected food samples. We applied quantitative techniques such as proximate analysis, spectrophotometry, and chromatography to quantify levels of micronutrients and macronutrients. Qualitative analysis …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 14, Issue 3, 2025 · pp. 29–39 Read article
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Studies on the Antioxidant Content and Antimicrobial Activity of Cucumber (Cucumis sativus) Peels Collected from Bagmari, Kolkata, West Bengal, India
Abstract: Cucumber (Cucumis sativus) is widely consumed across the globe, yet its peels are commonly discarded as waste, despite possessing a wealth of bioactive compounds. Recent studies have highlighted that these peels contain substantial amounts of antioxidants, antibacterial, anti-inflammatory, and anticarcinogenic properties, making them a promising candidate for value-added applications. In this study, methanolic extracts (80% v/v) of cucumber peels were systematically analyzed to assess their total phenolic content (TPC), total …
Published in Emerging Trends in Metabolites · Vol. 2, Issue 2, 2025 · pp. 6–14 Read article