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370 articles for “absorbance”
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Phytochemicals And Antioxidants Properties of Zanthoxylum zanthoxyloides Root Bark
Abstract: There have been studies on Zanthoxylum zanthoxyloides (Orinata), family; Rutaceae, which has shown remarkable benefits of the plant to humans traditional medicine. Root or stem bark macerations, decoctions or infusions of the plant are widely taken to treat malaria, fever, sickle cell anemia, tuberculosis, paralysis, oedema and general body weakness. They are also widely taken to treat intestinal problems, including colic, dysentery, intestinal worms, gonorrhea and urethritis. Studies show that …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 13, Issue 2, 2022 · pp. 23–28 Read article
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“High Melatonin Milk”- Milk with Intrinsic Health Benefit
Abstract: Melatonin C13H16N2O2 (molecular weight: 232) or N-acetyl-5-methoxytryptamine, is chemically an indoleamine and derived from the essential amino acid tryptophan. It is a hormone and due to secretion from pineal gland, it is also called as active pineal factor. Its IUPAC name is N-[2-(5-methoxy-1H-indol-3-yl)ethyl] acetamide. The indole ring acts as the chromophore showing maximum absorbance at 223 nm, and the functional groups contribute to its fluorescence property. Lerner et al. 1959 …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 5, Issue 1, 2016 · pp. 13–16 Read article
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Electrospun Structures for Dairy and Food Packaging Applications
Abstract: Electrospinning is an electrostatic fiber fabrication technique, in which a nonwoven mat of long fibers can be assembled into a three-dimensional structure due to bending instability of the spinning jet. Owing to its versatile nature and potential for applications in diverse fields including food packaging has been gaining more interest. It is a flexible and easy tool for producing ultrathin sized by applying electrical force. In this process, altering the …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 6, Issue 1, 2017 · pp. 17–23 Read article
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Evaluation of Growth and Heavy Metals Uptake of Ipomoea batatas (L.) Lam. Grown on Crude Oil Contaminated Soil
Abstract: AbstractThis study investigated the effect of crude oil contaminated soil on the growth and heavy metals content of Ipomoea batatas (L.) Lam. This study was carried out in the screen house of the College of Crop and Soil Science, Michael Okpara University of Agriculture, Umudike, between the months of May and August, 2017. The design of the experiment was completely randomized design (CRD).The treatments were different crude oil concentrations (volume/weight) …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 9, Issue 1, 2020 · pp. 27–34 Read article
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Vegetables as Functional Ingredients in Cheese and Cheese-like Products
Abstract: Cheese is an excellent dietary source of high-quality protein, vitamins and minerals such as absorbable dietary calcium. However, it lacks in certain phytonutrients like antioxidants and polyphenols. The enrichment of cheese products with vegetables is an effective way to promote functionality by improving rheological and physicochemical properties of the final product.Vegetables with higher dietary fibres could be used to improve the fiber content of cheese and cheese like products. In …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 11, Issue 3, 2022 · pp. 6–14 Read article
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Detection and Killing of Food Poisoning Salmonella Typhimurium in Cheese by Using Monoclonal Antibody and Nanoparticles Complex
Abstract: Present studies were conducted to test the ability of gold nanoparticles (GNPs) to detect and kill the bacterial contaminated food samples like cheese. The GNPs were prepared in two methods, sample A was purple 72 to 78.3 nm, while sample B was wine-red and the size was 51.5 to 58 nm. The results obtained suggest that the GNPs were synthesized with different particle size. UV-VIS spectroscopy and zeta potential tests …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 5, Issue 1, 2016 · pp. 1–10 Read article
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Evaluation of Antimicrobial and -Amylase Inhibitory Activity of Selected Medicinal Plants
Abstract: During this study we evaluated the a-amylase inhibitory activity and antimicrobial activity of different extracts of Psidium gujauva, Allium sativum, Withania sominfera, and Piper nigrum. Antimicrobial potential was observed against Escherichia coli and Staphylococcus aureus. The plant extracts were prepared with chloroform, ethanol, acetone and distilled water. Each extract was evaporated using rotary evaporator, under reduced pressure. Different concentrations (10, 20, 40, 60, 80, and 100 μg/ml) of each extract …
Published in Research & Reviews : Journal of Herbal Science · Vol. 4, Issue 1, 2015 · pp. 15–28 Read article
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Design and Development of Belt Type Oil Skimmer
Abstract: In the recent decade, the world has faces big oil spillage accidents into the oceans and made the huge impact on the environment. Sometime the oil is getting spillage through chronic and the careless habits in the use of the oil industries and oil products. Approximately over 406 million gallons of waste oil enters the oceans every year. This may cause huge damage to the aquatic life to separate the …
Published in Research & Reviews : Journal of Ecology · Vol. 9, Issue 2, 2020 · pp. 4–10 Read article
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Identification and Quantification of Anti-inflammatory Compound in Michelia champaca
Abstract: Ferulic acid is a ubiquitous phenolic acid present in the plants. This phenolic acid is of low toxicity and can easily be absorbed and metabolized in the human body. Ferulic acid has many physiological functions such as anti-inflammatory, antioxidant, antimicrobial, anti-thrombotic and anti-cancerous activities. In the present study, Ferulic acid was isolated from Michelia champaca extract and quantified through High Performance Liquid Chromatography (HPLC) analysis. Ferulic acid is effective in …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 1, 2019 · pp. 16–23 Read article
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Study of Anti-Cancer Activity of Leaves Extract of Murraya Koenigii in Human Lung’s Cells
Abstract: The extract of Murraya Koenigii commonly known as curry leaves in India was carried out to investigate the anti-cancer activity on human lung’s cells. The result shows positive indication of extract against lungs cancer cells efficiently with GI 50 value >80. The human lung’s cells were fixed in situ by the gentle addition of 50 μl of cold 30 % (w/v) TCA (final concentration, 10 % TCA) and incubated for …
Published in Research & Reviews : Journal of Herbal Science · Vol. 9, Issue 1, 2020 · pp. 24–28 Read article
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Absorption Spectra Calculation and Charge Distribution Analysis of para-azoxyanisole: A Semiempirical Study
Abstract: AbstractSemiempirical study of electronic structure of para-azoxyanisole (PAA) has been carried out. In order to obtain more information on the reactivity of PAA molecule towards nucleophile and electrophile, semiempirical (CNDO/S, and INDO/S) based calculations have been performed to evaluate the negative and positive charge distribution. Further, CNDO/S + CI and INDO/S + CI methods have been employed to calculate and analyze the absorbance spectral measurements in UV-visible range, and charge …
Published in Research & Reviews : Journal of Physics · Vol. 6, Issue 1, 2017 · pp. 5–11 Read article
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An overview and Design of Solar Space Heating System
Abstract: The sun is perhaps the most dependable form of renewable energy. Solar radiation of the sun may be extracted with little effort. Proposed Solar space heating system is one of the reliable form of solar heating system. There are various collector arrangements for conservation of the heat out of which flat plate collector system is the most cost efficient system. In this paper, design and installation of a solar space …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 11, Issue 1, 2022 · pp. 1–6 Read article
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Critical Guidelines for TiO2 and Ultraviolet Light Induced Disinfection in Upper Ceiling Mounted Device
Abstract: In-room air cleaners and upper room air UV light germicidal irradiation are designing control technologies that can assist with lessening the groupings of airborne microscopic organisms and contagious spores in the indoor climate. The upper ceiling mounted device is sealed with TiO2 and UV light which is efficient in action due to photocatalytic activity. TiO2 absorbs UV light strongly as compared to sun light and they form hydroxyl radicals. It …
Published in Research & Reviews : Journal of Physics · Vol. 10, Issue 3, 2021 · pp. 30–35 Read article
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Toxicological Impacts of Heavy Metals on Fish
Abstract: In recent times, heavy metals are frequently found in water as pollutants. Heavy metal toxicity has the potentiality to harm aquatic flora and fauna. Fish growth parameters, morphological characteristics as well as haematological, biochemical and physicochemical parameters may be important bio- indicator against this type of pollutants. The purpose of this review is to describe various heavy metals' toxic effects on fish. Heavy metals and its derivative compounds are common …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 11, Issue 2, 2022 · pp. 1–5 Read article
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Theoretical Study of UV Surface Waves in AlAs and AlN
Abstract: Surface waves excited at the interface between polar semiconductor surface and a dielectric when electromagnetic waves of appropriate frequency are incident on it. When the incident electromagnetic energy in the form of photons is absorbed, these surface excitations generate. They are of different kinds such as plasmon, phonon, exciton etc. Plasmon is the quanta of valence electron oscillation; phonon is the quanta of lattice vibration and exciton is the quanta …
Published in Research & Reviews : Journal of Physics · Vol. 12, Issue 1, 2023 · pp. 7–13 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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Current Prospective of NLCs in Parkinson’s Disease: An Outlook
Abstract: Parkinson's disease (PD) is 2nd most a neuro-degenerative disorder of the central nervous system affecting 7–10 million people of worldwide as the report of WHO 2014. It occurs due to the death of dopamine-generating cells in the substantia nigra, a region of the midbrain. It is characterized by tremor, rigidity, bradykinesia, dementia, depression and falls or emerges with the progression of the disease. Ropinirole Hydrochloride is a drug of choice …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 5, Issue 2, 2018 · pp. 18–29 Read article
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Dates—Its Effect on Daily Life
Abstract: Date palm also called as Phoenix dactylifera or more commonly called as Date, originated from the land around Iraq. Date palm is cultivated because of its edible fruit; they are used as staple food in Middle East and in Indus valley for thousands of years. Eventually every part of the tree is used for making functional items be it seeds, leaves, sap, fruit clusters and wood. Date palm also provides …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 5, Issue 1, 2018 · pp. 1–6 Read article
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Simultaneous Estimation of Baclofen and Nimesulide: Method Development and Validation by UV-Spectrophotometric Method
Abstract: A simple, accurate, precise, reproducible and economical UV spectroscopic methods for simultaneous estimation of Baclofen and Nimesulide in tablet dosage form have been developed. The method is based on the principle of Q-Analysis where in the absorbance was measured at 227 nm (iso-absorptive point) and 218 nm (λmax of Baclofen) in simulated gastric fluid (pH 1.2). Baclofen and Nimesulide show linearity at all the selected wave- lengths and obeys Beer’s …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 2, Issue 2, 2015 · pp. 6–11 Read article
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In-house Preparation and Quality Control of a Unani Formulation
Abstract: Shangraf (Cinnabar) is used in traditional systems like Unani and Chinese system of medicine for the successful management of different diseases since time immemorial. In Unani system it is used in the form of kushta (Calcined product). This type of dosage forms are easily absorbed in the human body and are highly efficacious in action hence, are more popular and superior over other dosage forms. Kushta shangraf is highly reputed …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 1, Issue 1, 2014 · pp. 11–16 Read article