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1947 articles for “4-dioxopyrimidine-5-carbonitrile” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Improvement of Yield of Bioactive Compounds and Antioxidant Activity of Moringa stenopetala Leaves by Optimizing Ultrasonic-assisted Extraction
Abstract: Ultrasonic-assisted extraction (UAE) parameters were optimized in this study using response surface methodology (RSM) to improve the total phenolic content (TPC), total flavonoid content (TFC), and antioxidant activity assessed using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) assays of Moringa stenopetala leaves. According to the results, the optimal UAE parameters were extraction time (26 min), ethanol concentration (68%), and solvent-to-sample ratio (42 mL/g). Based on these optimal parameters, …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 7, Issue 3, 2018 · pp. 1–11 Read article
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Assessment of Seasonal Variation in Water Quality at Important Coral and Mangrove Areas of Gulf of Kachchh, Gujarat
Abstract: AbstractThe present study was carried out to assess the physico-chemical characteristics of water in the regions of coral reef and mangrove in the Gulf of Kachchh during the period from November 2011 to December 2014. Surface water samples were collected from the selected sampling sites on monthly basis and analyzed to provide information regarding spatial and seasonal variation observed in different water quality parameters. The range of parameters was recorded …
Published in Research & Reviews : Journal of Ecology · Vol. 8, Issue 3, 2019 · pp. 32–43 Read article
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Effect of Solid Waste Leachate on the Quality of Underground Water Around Ruhueli Dumpsite in Rumuomoi Community, Rivers State, Nigeria
Abstract: This study investigated the impact of open dumpsite leachate on groundwater quality by examining the physicochemical and microbiological properties of groundwater within the vicinity of a dumpsite in Ruhueli-Rumuomoi community, Rumuigbo, Rivers State, Nigeria. Groundwater samples were taken from three different boreholes in the study area at a distance of 30 m, 60 m and 90 m from the dumpsite. The results of the physicochemical parameters revealed that pH ranged …
Published in Research & Reviews : Journal of Ecology · Vol. 11, Issue 1, 2022 · pp. 15–21 Read article
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Assessment of Pre and Post Harvest Handling Practices of Mango Fruit in Arba Minch, Southern Ethiopia
Abstract: Postharvest losses of mango fruits cause huge economic, food and nutritive losses in developing countries. One of the major causes of such losses is poor postharvest handling practices. Observationally study was conducted to assess the awareness of the farmers about the pre and postharvest handling practices causing postharvest loss of mango fruit. From the Arba Minch Zuria Woreda, two administrative Kebeles viz. ‘Chano’ and ‘Lante’ were purposively selected. 80 respondents …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 10, Issue 2, 2021 · pp. 1–11 Read article
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Optimization of Dry Basella rubra Leaf Powder in Nachos Preparation and Studying its Antioxidant Potential
Abstract: Basellaceae family (Malabar spinach) is a perennial vine native to tropical Asia. There are two main species of Malabar spinach; Basella alba, which has green stem and thick fleshy leaves and Basella rubra which has red stem. The objective of the study was to investigate the effect of addition of dry Basella rubra leaf powder. Nachos that contained 5 gm% of dry Basella rubra leaf powder had highest overall-acceptability score …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 56–62 Read article
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Zooplankton Assemblages and Limnological Properties of the Choba Segment, Upper Reaches of New Calabar River, Port Harcourt, Nigeria
Abstract: The zoological assemblage and the limnological characteristics of the Choba segment of the upper reaches of New Calabar river, Port Harcourt was studied between March and May, 2021. Three stations were sampled for water and zooplankton using a 45 m plankton net and plastic bottles, respectively, in accordance with the APHA's standard procedure. The results showed that a total of 696 zooplankton individuals consisting of 22 species from four taxonomic …
Published in Research & Reviews : Journal of Ecology · Vol. 12, Issue 1, 2023 · pp. 1–11 Read article
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Taxonomy and Medicinal uses of Meliaceae Family at District Bhopal
Abstract: Floristic investigations are necessary to know the present status of species and for initiating conservation measures. The present study was conducted in district Bhopal to investigate taxonomy and medicinal uses of Meliaceae family growing naturally throughout the study area. Various field surveys made during flowering and fruiting stages of Bhopal district lead to the identification of 4 species under 4 genera belonging to Meliaceae family. The present study will be …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 3, 2019 · pp. 53–57 Read article
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Diversity and Distribution Study of Marine Macro Algae in Three Selected Inshore Reef Areas of Saurashtra Coast, Gujarat
Abstract: AbstractA study on diversity and distribution of marine macroalgae in three selected inshore reef areas viz., Veraval, Sutrapada and Chorwad of Saurashtra coast of Gujarat state was conducted during 2016-2017. A total of 83 taxa belonging to 44 genera and 30 family representing Chlorophyta (28 taxa), Ochrophyta (18 taxa) and Rhodophyta (37 taxa) were recorded from these sampling sites during the study. Species wise, the highest number of seaweeds was …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 10, Issue 1, 2020 · pp. 81–89 Read article
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Effect of Supplementing Enset Leaf Silage Ensiled with Molasses on Feed Intake, Weight Gain, Digestibility, and Carcass Characteristics of Sheep Fed Guinea Grass Hay
Abstract: 20-yearling male Gumer sheep were used to evaluate the effect of graded level of Enset (Ensete ventricosum) leaf silage treated with molasses on intake, weight gain, digestibility, and carcass characteristics fed a basal diet of Guinea(Megathyrsus maximus) grass hay. In the first phase, both the physical and chemical composition of 5 kg wilted Enset leaf was evaluated at (T1= Enset leaf+0% molasses, T2= Enset leaf +5% molasses, T3= Enset leaf …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 12, Issue 3, 2022 · pp. 29–40 Read article
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Structural Properties of Spin Coated Multilayered Cupric Oxide Thin Films
Abstract: AbstractCuO thin films were spin-coated at 1500, 2200 and 2400 rpm for 30 sec, and subsequently annealed at 150–550°C for 1 h. Multi-layered CuO thin films were prepared including three and five layers. These thin films were characterized using XRD, Fourier-Transform Infrared Spectroscopy (FTIR) and polarizing light microscopy. The XRD and FTIR analysis confirmed the crystallization of CuO phase in thin films annealed above 350°C, and corresponding crystallite sizes were …
Published in Research & Reviews : Journal of Physics · Vol. 4, Issue 2, 2015 · pp. 8–13 Read article
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Effect of Detoxified Neem Seed Cake on Carcass Characteristics in Growing Bannur Lambs
Abstract: AbstractThe present study was conducted to know the effect of two levels of detoxified neem (Azadirachta indica) seed cake (DNC) on the carcass characteristics of male lambs. Eighteen male lambs were randomly divided in three groups of six each with group I control concentrate containing soyabean meal (SBM) and group II and III fed with concentrate mixtures containing defatted and DNC at two levels DNC25 and DNC50 for five months. …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 5, Issue 3, 2016 · pp. 1–5 Read article
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Land Use and Land Cover Analysis of Jharkhand Using Satellite Remote Sensing
Abstract: IRS P6 LISS III data was used to delineate different land use/land cover classes of Jharkhand using visual interpretation technique. Tone and texture were found most important for interpretation of different objects. A total of 42 classes of different land use/land cover categories were interpreted. Agricultural land with current fallow and forest areas dominated the landscape of Jharkhand by occupying 49% and 30% of total geographical area, respectively. Built-up (urban …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 1, Issue 1-3, 2012 · pp. 22–31 Read article
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Ground Water Studies of Vijayagopalapuram Village, Prakasam District, Andhra Pradesh, India Using Geospatial Technology
Abstract: Vijayagopalapuram, a revenue village in Kanigiri mandal of Prakasam District, Andhra Pradesh, India is a severely drought affected area. This village lies between longitude 79°27'12" to 79°30 45" E and latitude 15°16'40" to 15°18'45" N with geographical area of 857 ha. The average annual rainfall of Kanigiri mandal is 813.4 mm. The main lithological units in the Vijayagopalapuram village include Quartz-Chlorite-Sericite (QCS) Schist and Quartzite (DQt) rocks. These rocks represent …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 10, Issue 1, 2021 · pp. 41–49 Read article
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Statistical Analysis of Spatial Distribution of Tuberculosis in Ethiopia
Abstract: Tuberculosis is the world’s number one cause of death from an infectious disease. In the year 2018 Ethiopia registered 146,172 cases of TB. Among these, 139,261 were new cases; 46,132 new smear-positive (33.1%); 49,037 new smear-negative (35.2%); 44,092 new extra-pulmonary TB (31.6%). The main objective of this study is to assess the spatial distribution of TB in Ethiopia by using spatial statistical methods. Spatial clustering of Tuberculosis was explored using …
Published in Research & Reviews : Journal of Statistics · Vol. 9, Issue 3, 2020 · pp. 36–48 Read article
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A New Approach of Synthesis Fe-Substituted Bi-2223 Superconductors
Abstract: Generally, the Bismuth based high temperature superconductors are utilizing in three phases as Bi-2201, Bi-2212 and Bi-2223. These have different transition temperature according to superconducting phase. Here, we studied about Bi-2223 phase by using complex Bi2Sr2Can-1 (Cu1-xFex)3O10+δ where n = 3. In this complex, we has been doped iron in Coper (Cu) site (x = 0.07%). This sample was prepared by solid state reaction method. The planetary Ball mill was …
Published in Research & Reviews : Journal of Physics · Vol. 10, Issue 3, 2021 · pp. 22–29 Read article
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Zika Virus E-Protein In Silico Approach and Drug Repurposing
Abstract: The mosquito borne, one of the flavivirus family, called Zika virus is a positive, single stranded RNA. ZIKV infected humans are affected by neurological disorders, birth defects and other small pain, rash etc. To relieve from these disease, the target protein of ZIKV disease is to be determined. Here, the envelope protein is taken as a target to prevent Zika virus entry in to the cells. 3D structure of ZIKV …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 4, Issue 2, 2017 · pp. 8–16 Read article
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Knowledge and Practice among Public with Reference to COVID–19 in Nepal
Abstract: AIM: To identify the status of Knowledge and Practice of public about transmission and preventive measure in the control of spread-ness of COVID 19 in Nepal.METHOD: The cross-sectional online survey was conducted from May 16 to 25, the week after the lockdown of about 2 months in Nepal using proportionate stratified sampling. Sample participants were 1429, univariate and multivariate (logistic regression) analyses were conducted using SPSS 20 v.RESULT: There were …
Published in Research & Reviews : Journal of Statistics · Vol. 11, Issue 3, 2022 · pp. 43–53 Read article
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Scientrometric Patriot of Steven Vogel, a Biophysicist
Abstract: Steven Vogel is one of the pioneers of biomechanics research in the world. This study presents bibliometric analysis of 131 publications (119 articles and 12 books) published during 1962–2016 with 39 co-authors. He has to his credit, 108 single-authored and 23 multi-authored papers. His highest productivity is 5 papers per year during 2002–2006 when his age was between 64 and 68 years and second highest productivity is 4 papers per …
Published in Research & Reviews : Journal of Statistics · Vol. 12, Issue 1, 2023 · pp. 28–38 Read article
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Chromosomal Aberration and Mutagenicity Toxicological Studies of Beta-Sitosterol Isolated from Ocimum gratissimum (Lamiaceae)
Abstract: Ocimum gratissimum is an important medicinal plant belonging to the Lamiaceae family. Ocimum gratissimum is a small erect or straggling tree or large, woody, climbing shrub found almost throughout India including Andaman and Nicobar Islands. Stem have been used in antifertility treatment in the indigenous system of medicine, and further clinical tests substantiated their efficacy. The root bark contains diketones, fatty matter, rubber, dulcitol, Beta-sitosterol, phlobatannin and glycosidal tannins. Stem …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 4, Issue 2, 2017 · pp. 1–6 Read article
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Method, Development and Validation of Emtricitabine and Tenofovir by Using RP-HPLC in Pharmaceutical Dosage Forms
Abstract: A new method was established for simultaneous estimation of Emtricitabine and Tenofovir by RP-HPLC method. The chromatographic conditions were successfully developed for these parathions of Emtricitabine and Tenofovir by using Xterra C185 µm (4.6*250 mm) column, flowrate was1ml/min, mobile phase ratio was phosphate buffer (0.05 M) pH4.6: CAN (55:45% v/v) (pH was adjusted with ortho-phosphoric acid), detection wavelength was 255nm. Theretentiontimewas2.399and3.907 min. for Emtricitabine and Tenofovir, respectively. The percentage purity …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 5, Issue 1, 2018 · pp. 37–41 Read article