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257 results for “activity concentration”

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Research ArticleOpen accessIn the abstractThe Influence of Garcinia kola Seed on Sexual Behavior and Testis Physiology in Wistar RatsJonah Sydney Aprioku, Victor Nwachukwu, Blessing Ukamaka Okeke et al.Garcina kola seed is believed by some to enhance male sexual performance but existing scientific data show divergent results. In this study, the sexual and reproductive influence of ethanol (70%) seed extract of G. kola was evaluated in Wistar rats. Adult male rats were gavaged with 0, 50, 100, 200 or 300 mg kg-1 day-1 of extract for 30 days … …American Journal of Pharmacology and Toxicology, Vol. 13, Issue 1 · 25 Apr 2018 · 13,804 accessesView PDFCite
Research ArticleOpen accessIn the abstractMapping, Characterization and Dispersion of Metallic Pollutants within a Catchment of Illegal Gold Mining Activities in GhanaWiafe Samuel, Richard Buamah, Helen Essandoh, Lawrence DarkwahThe illegal gold mining activities prevalent in most part of Ghana have caused substantial havoc to the environment especially water bodies which serve as sources of water for domestic, industrial and agricultural purposes. The Ghana Water Company Limited (GWCL) recently shut down their water treatment plant due to the extreme pollution and high cost of treatment. This study focusses on … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 1 · 13 Jan 2018 · 8,176 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Toxic Spectrum of Ricinus Communisand Zingiber Officinalis Essential Oils against Musca Domestica L.Hanan Abo El-Kassem BoslyThe housefly, Musca domestica L., is a cosmopolitan insect, associated with various diseases and is one of the species with the greatest ability to develop resistance to insecticides. The study designed to evaluate the larvicidal, pupicidal, adulticidal and ovicidal effect of lethal concentrations LC50 of R. communis and Z. officinalis essential oils against the housefly M. domestica L. The larvicidal … …American Journal of Agricultural and Biological Sciences, Vol. 12, Issue 4 · 2 Dec 2017 · 8,311 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Lactobacillus Plantarum and Bacterial Peptidoglycan on the Growth of Mouse Tumors in vivo and in vitroArpa Aintablian, Dalal F. Jaber, Mary Ann Jallad, Alexander M. AbdelnoorSome members of the microbiota have been shown to be effective strategies for inhibiting tumor growth through stimulation of host anti-tumor immune responses. Anti-tumor immune effects were observed when Lactobacillus plantarum (Lp), a member of the gut microbiota, was used to treat colorectal cancer in mice. Moreover, constituents of bacteria, including peptidoglycan (PG), have been shown to exhibit tumoricidal effects. … …American Journal of Immunology, Vol. 13, Issue 3 · 23 Sep 2017 · 8,451 accessesView PDFCite
EditorialOpen accessIn the abstractAn Opportunity for the Agricultural Sector: The Renewable Energy SourcesRiccardo Testa, Salvatore TudiscaToday, among the most important issue for energy decisions by policymakers, there are security challenges and environmental impacts on climate change and economic aspects. Since the seventies, in fact, global warming and environmental issues have had an increasing importance in international debate, attracting the attention of several scientific studies (Landi and Benelli, 2016). Many of these studies denoted that over … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 3 · 6 Sep 2016 · 8,092 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of Phenolic Content and Antioxidant Properties of Selected Cowpea Varieties Tested in Bovine Peripheral BloodSarah Adjei-Fremah, Louis EN Jackai, Mulumebet WorkuCowpea is an important grain legume with a dual purpose function as a food and feed resource. Cowpea contains phenolic compounds that are beneficial to human and animal health. We evaluated the phenolic content, condensed tannin content and antioxidant capacities of methanol extracts of seed and leaf of seven varieties commonly used in food and animal feed. The total phenolic … …American Journal of Animal and Veterinary Sciences, Vol. 10, Issue 4 · 19 Dec 2015 · 7,870 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvidences for the Role of Melatonin as a Protective Additive During Buffalo Semen FreezingMohamed El-Raey, M. R. Badr, Z. M. Rawash, G. M. DarwishTill now, the exact role of melatonin in male infertility hasn’t been fully discovered. Moreover, the intracellular signaling pathways activated by melatonin in buffalo spermatozoa especially on the level of cryopreservation process haven’t been reported. The current study aimed simply to clarify the precise role of this hormone during buffalo semen cryopreservation. Semen samples were obtained randomly from 6 fertile … …American Journal of Animal and Veterinary Sciences, Vol. 9, Issue 4 · 23 Dec 2014 · 8,112 accessesView PDFCite
Research ArticleOpen accessIn the abstractEFFICACY OF ESSENTIAL OILS FROM MEDICINAL PLANTS IN CONTROL OF THE HAIRY ROSE BEETLE, TROPINOTA SQUALIDA (SCOPOLI) AND THEIR COMPARATIVE TOXICITY TO THE HONEY BEE, APIS MELLIFERA L.Mohammad S. Al-AlawiThe insecticidal activity of essential plants oils against an important insect pest of fruit trees, the hairy rose beetle, was evaluated in topical and feeding applications in the laboratory. Essential oils that caused more than 50% mortality were further tested against the hairy rose beetle and the honey bee using different concentrations and their relative toxicities were evaluated. Results showed … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 3 · 18 Mar 2014 · 7,772 accessesView PDFCite
Research ArticleOpen accessIn the abstractTrace Elements Distribution in the Brain of Stressed RatsZerrouk Kamal, Mohamed Najimi, Mohammed Chigr et al.Because of their ability to modulate the Gamma Aminobutyric Acid (GABA) a receptor complex, the principal aim of the current work is to assess two essential heavy metals: Iron (Fe) and zinc (Zn) by atomic absorption in different brain areas of stressed rats. To do so, we investigated the effect of acute immobilization stress (single 1-hour session) on the distribution … …Neuroscience International, Vol. 3, Issue 2 · 14 Sep 2012 · 7,277 accessesView PDFCite
Research ArticleOpen accessIn the abstractForest Fires and Resuspension of Radionuclides into the AtmosphereFernando P. Carvalho, Joao M. Oliveira, Margarida MaltaProblem statement: Forest fires are especially frequent around the Mediterranean Sea basin in the summer period and might be able to release naturally-occurring and man-made radionuclides from plant biomass and inject them into the atmosphere. The impact of this radioactivity on populations was not investigated before. Approach: Radionuclide analysis was performed in plants, in smoke from plant burning and in … …American Journal of Environmental Sciences, Vol. 8, Issue 1 · 14 Jan 2012 · 7,352 accessesView PDFCite