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890 articles for “activity”
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A Review on Catharanthus roseus
Abstract: In world health care, medicinal plants have played crucial role. Catharanthus roseus commonly known as Cape periwinkle and belongs to Apocynaceae family. It is evergreen herbaceous species and native to but cultivated as a medicinal and ornamental plant species. It has a history of use in Ayurvediuc, Chinese and Western medicine research. The leaves are oval to broad, oblong, green, glossy and divided into opposite pairs and flowers have five …
Published in International Journal of Plant Biotechnology · Vol. 7, Issue 1, 2021 · pp. 7–11 Read article
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Common Methods for Isolation, Revival and Freezing of Peripheral Animal Blood Mononuclear Cells—A Review
Abstract: ABSTRACTThe main players to investigate to effect of bio actives on various immune cells are human peripheral blood mononuclear cells (PBMCs). These cells are easily isolated from blood of healthy donors or buffy coats (leukocyte concentrates, a by-product from hospital Blood Banks in the manufacturing of red blood cell and thrombocyte concentrates from anti-coagulated whole blood). PBMCs vary from intestinal tissue cells in terms of structure, phenotype, and activation status. …
Published in International Journal of Animal Biotechnology and Applications · Vol. 6, Issue 2, 2020 · pp. 21–23 Read article
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A Review on Quercetin Flavonoid
Abstract: Quercetin is a flavonoid widely distributed in nature. A food rich in quercetin includes black and green tea, apples, onion, red grapes, citrus fruit, tomato, broccoli and other leafy green vegetables, etc. It is water soluble polyphenolic compound, which is highly common and wide spread in the plant kingdom as their glycosides. Quercetin is the glycone form of a number of other flavonoid glycosides, such as rutin and quercetin, found …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 3, Issue 1, 2017 · pp. 1–4 Read article
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Thienamycin: A Review
Abstract: Thienamycin antibiotic have a long history. The activity of thienamycin against major bacterial specious are abundant. Thienamycin is the initially beta lactam antibiotic with carbapenem ring system. This review paper constellates information about the activities and properties of thienamycin.
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Use of Micro- and Nanobubble in Waste Water Treatment Technology – Review
Abstract: ABSTRACT The environmental nanotechnology is a technical discipline which research features of natural and man-made nanomaterials, applications, techniques for their characterization, integration processes and transformation into ecosystems. Microbubbles have the capability to change the normal characteristic of water. The microbubbles (MBs) have diameter more than 100 μm, the micro-nanobubbles (MNBs) have diameter between 1 to 100 μm and the nanobubbles (NBs) have diameter less than 1 μm within the fluid …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 1, 2018 · pp. 5–10 Read article
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Eco Friendly Water Purifier through UV+RO in Rural Areas
Abstract: ABSTRACTA study on the performance of raw water or tap water purifier was conducted between January to May in 2016. The Raw water or tap water was treated through the “advanced biotech techniques” i.e., solar panel TDS meter, UV lamp, RO membrane, TDS controller and UF (Ultra filtration). It was observed that raw water or tap water is more unhygienic which is very harmful for us. RO membrane and UV …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 5, Issue 2, 2019 · pp. 1–9 Read article
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Studies on Extraction and Purification of Total Phenolic Content from Seeds of Carica papaya
Abstract: Carica papaya is belongs to Caricaceae family and it contains high content of phenolic compounds and medicinal properties. It shows various pharmacological activities like anti-oxidant, anti-cancer, anti-diabetic, anti-inflammatory, wound healing activities. Here in this research work, for the extraction of TPC from seeds of Carica papaya, the optimum results were observed for the effects of different solvents, solvent percentages, pH, extraction time and particle size for the extraction of TPC …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 6, Issue 2, 2020 · pp. 39–43 Read article
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Computation of Biokinetic Parameters of Total Petroleum Hydrocarbon Degradation using Vernonia amygdalina Stem
Abstract: This investigation showcases the computation of biokinetic parameters of total petroleum hydrocarbon degradation using Vernonia amygalina stem as bio-stimulant for the remediation of contaminants in loamy soil environment. The research revealed decrease in TPH degradation with increase in contact time and the percentage reduction was computed. The result shows TPH (100 dosage) > TPH (75g dosage) > TPH (50g dosage) > TPH (25g dosage) > TPH (control sample) and the …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 9, Issue 2, 2023 · pp. 26–38 Read article
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Isolation and Stability Studies of Dried Protein Fractions from Three Leguminous Seeds: Glycine max, Vignaunguiculata and Parkiabiglobasa
Abstract: Soya bean (Glycine max), Cowpea (Vignaunguiculata) and Locust bean (Parkiabiglobosa), three of Nigeria’s widely eating foods were exploited for their protein content. Dried protein isolates using aqueous NaOH were obtained, dried and subjected to DPPH stabilty antioxidant analysis at different pH. The % crude protein, by proximate analysis was high, which indicates that all the seeds can support the isolation of dried protein powder needed for the experiment. Soya seed …
Published in International Journal of Agrochemistry · Vol. 5, Issue 1, 2019 · pp. 28–40 Read article
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Quantification of Chemical Components and Phytochemical Screening of GaliumVerum by HPLC and LC-MS Analysis
Abstract: Galium verum L. – yellow "Lady's bedstraw" – contains polyphenols, flavonoids, phenyl- propanoids compounds, and iridoids in its golden yellow blossoms. The chemical makeup of the volatile fraction of Galiumverum L. was analysed.This plant is from the natural flora of Moldova (RediuIasi region, Romania) as a source of polyphenols and flavonoids.The purpose of this investigation is to investigate the composition of the herb methanol extract of Lady's bedstraw (Galium verum …
Published in International Journal of Agrochemistry · Vol. 9, Issue 1, 2023 · pp. 1–7 Read article
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Soil Pollution Leads to Environmental Degradation
Abstract: For the past thirty years, our environment has been degrading. Unwanted human activities are the principal source of environmental damage. Fuels were employed as a source of energy during the industrial revolution, causing environmental devastation. The root cause of environmental degradation is modern technological advancement. Urbanization, population growth, increased energy usage, and agricultural practises are all contributing to environmental changes. Plants, animals, humans, and microorganisms are all negatively affected by …
Published in International Journal of Green Chemistry · Vol. 8, Issue 1, 2022 · pp. 41–45 Read article
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Creating Awareness on Toxic Nature of Mercury
Abstract: In our day to day life, we come across in contact with hundreds of substances such as natural or synthetic which are toxic. A dangerous heavy metal that is widely present in nature is mercury. Most frequently affected by mercury toxicity includes systems like neurologic, renal organ system, and gastrointestinal system. Ingestion, injection or inhalation of any type of mercury, including skin absorption of mercury can all result in poisoning …
Published in International Journal of Green Chemistry · Vol. 8, Issue 2, 2022 · pp. 34–38 Read article
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The Use of Factor and Cluster Analysis to Interpret Groundwater Chemistry in Ga East Municipality, Ghana, West Africa.
Abstract: Groundwater chemistry was interpreted in this studies to ascertain the groundwater controlling parameters within the vicinity of Ga East Municipality, Ghana. 37 data points from various Boreholes were analyzed using factor and cluster analysis. The studies have revealed that groundwater in areas of Ga East is controlled by seawater intrusions, anthropogenic activities and carbonate mineral dissociation according to the results obtained from factor analysis. Three cluster groups were developed which …
Published in International Journal of Analytical and Applied Chemistry · Vol. 5, Issue 2, 2019 · pp. 34–43 Read article
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PROPERTIES OF AN ALGERIAN DATE SYRUP ICE CREAM
Abstract: - This present work aimed to develop an ice cream with an Algerian date syrup with a view to enriching antioxidants and to substitute the sugar present in high concentration (70%). First, the physicochemical parameters of the date syrup as well as its composition of antioxidants (total phenolic compounds, flavonoids, tannins) were studied and the antioxidant and antiradical activities were evaluated. Second, date syrup was incorporated in ice cream at …
Published in International Journal of Analytical and Applied Chemistry · Vol. 6, Issue 1, 2020 · pp. 46–53 Read article
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Mathematical Modelling of the Effect of Functional Parameters of Temperature on Biodegradation of Petroleum Hydrocarbons
Abstract: Mathematical model was developed to examine the effect of functional parameters of temperature on biodegradation of petroleum hydrocarbons. The developed model was related to Monod’s equation and the microbial growth rate was monitored, predicted and simulated with variation on the functional parameters. The result obtained revealed increase in the microbial growth rate with increase in the functional parameter values. The maximum specific microbial growth rate was constant as well as …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 2, 2021 · pp. 21–27 Read article
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Extraction of Tannin from Psidium guajava Leaves
Abstract: Psidium guajava leaves are widely used as medicine from ancient times. Leaves are important part of guava tree which are useful in curing many health issues. Guava leaves have properties like anti-cancer, antibacterial, anti-oxidant, antiulcer etc. they are used in curing many diseases. In this article, soxhlet extraction method is discussed and yield of this method is represented. Extraction processes with different solvent such as ethanol, methanol, benzene is discussed …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 1, 2016 · pp. 19–23 Read article
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Production of Waste Animal Bone as a Heterogeneous Solid Base Catalyst for Transesterification of Jatropha Oil
Abstract: Heterogeneous catalyst plays a vital role in transesterification process, especially in view of cost and reusability. In this study, heterogeneous solid base catalyst was prepared by impregnating the waste animal bone with different weight percent (wt%) KOH solution followed by drying and calcination at 900 °C for 3 hr. Having screened the catalytic performance and basicity of animal bone loaded with different K-compounds, 12 wt% KOH loaded on animal bone …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 28–48 Read article
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Extraction and Purification of Kaempferol from leaves of Azadirichta indica
Abstract: Azadirachta indica, commonly known as neem, It contains phytochemical compounds like phenolic compounds, flavonoids (Quercetin and kaempferol), tannins, gallic acid, nimbosterol, catechin, nimbine, etc. It shows many pharmacological activities like anti-oxidant, anti-cancer, anti-diabetic, anti-inflammatory activities etc. For the extraction of kaempferol from neem leaves, the optimum results were observed for the effects of different solvents, different solvent percentages, particle size, pH and extraction time for the extraction of kaempferol were …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 2, 2019 · pp. 26–30 Read article
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Catalytic hydrogenation of dimethyl-nitrobenzene to dimethyl-aniline over Ni catalysts
Abstract: The catalytic transfer hydrogenation of dimethyl-nitrobenzene (DN) to Dimethyl-aniline (DA) was studied in the temperature range 343–403 , pressure range of 4–10 bar H2 and ethanol as solvent using Ni on alumina-silicate as catalyst above agitation speed 800 rpm. The substrate feed concentration was varied in the range from 0.124 to 0.745 kmol/m3 while catalyst loading was in the range 4–12% (w/w) of dimethyl-nitrobenzene. Dimethyl-aniline was the only reaction product, …
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 2, 2017 · pp. 19–29 Read article
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Variations in GCRs with Solar Variability between 1996-2018
Abstract: Abstract The solar outputs and their variability controls by heliospheric structure, produce changes in cosmic ray intensity (high energy charged particles) entre into inner heliosphere. Observation based on the data taken from Omniweb data centre for solar- interplanetary data and monthly mean count rate of cosmic ray intensity (CRI) variation data from Oulu and Moscow neutron monitors during 1996-2018. It is observed that slow decline of solar cycle 23 and …
Published in International Journal of Chemical Engineering and Processing · Vol. 4, Issue 2, 2018 · pp. 43–46 Read article