885 results for “activities”

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Research ArticleOpen accessEvery word in the titleCrude Extract of Blue-Green Pigment Derived from the Marine Bacterium Pseudomonas aeruginosa P1.S9 has Antibacterial, Antioxidant, and Cytotoxic ActivitiesAris Tri Wahyudi, Rahmah Nursari, Widya Esti Purwaningtyas et al.Pigment derived from marine bacteria is one of the alternative sources of natural products characterized by beneficial functions for pharmaceutical purposes. This study aimed to evaluate the antimicrobial, antioxidant and cytotoxic activities of the marine bacterium Pseudomonas aeruginosa P1. S9 crude pigment extract and identify its chemical content. Crude pigment extract of this bacterium showed promising antibacterial activities against Pseudomonas … …OnLine Journal of Biological Sciences, Vol. 22, Issue 1 · 4 Mar 2022 · 6,994 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleImmunomodulatory and Antioxidant Activities of Selenium-Enriched Polysaccharides from Epimedium and Isatis IndigoticaRui Zhang, Jin Li, Jiajia ZhouThis study aims to investigate the effects of selenium modification on polysaccharides derived from two traditional Chinese medicinal herbs-Epimedium (Yinyanghuo) and Isatis root (Banlangen)-in enhancing immune function and antioxidant activity. The purpose is to explore the relationship between structure and function, providing a theoretical basis for the development of efficient plant-based functional antioxidants. Polysaccharides were extracted using an optimized enzymatic … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 4 · 3 Feb 2026 · 1,933 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleOptimization, Characterization and Antioxidant Activities of Selenized Polysaccharides from Hypsizygus marmoreusTing Liu, Xue Jiang, Wei Wang, Bing XuIn this study, hypsizygus marmoreus was used as raw material to extract polysaccharides by hot water extraction method. Preparation technology of Selenized Polysaccharides from Hypsizygus marmoreus (SPHM) and its antioxidant activities were investigated. Chelation rate was selected as the index, effects of initial concentration of sodium selenite (mg/mL), the mass ratio of polysaccharide to sodium selenite, chelation time and pH … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 3 · 8 Aug 2019 · 7,774 accessesView PDF Cite

Case ReportOpen accessEvery word in the titleTraditional Fishermen in Rote Island: An Alternative Livelihood to Illegal Fishing Activities in the Indonesian-Australian Transboundary WatersFred Benu, Paul G. King, AgusNalle, Moni MuskananAt the moment there are about 210 Indonesian fishermen, many from Rote Island, the majority from the village of Papela, still detained in Australia Detention Centres for carrying on illegal fishing activities in the Australian Exclusive Economic Zone. These fishing activities are not driven by economic factors only, but also by their historical background. By understanding the economic, historical and … …American Journal of Agricultural and Biological Sciences, Vol. 13, Issue 1 · 27 Jul 2018 · 9,406 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleMapping, 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 PDF Cite

Literature ReviewOpen accessEvery word in the titleOptimization of Extraction of Cannabinoids and Flavonoids Substances from Influence Cannabis sp. and their Biological Activities before and after DecarboxylationOlga Kronusová, Michala Piklová, Kristýna Šírová et al.Inflorescence of eight different varieties of Cannabis sp. (3 hemp varieties and 5 medical cannabis varieties) were subjected to extraction with n-hexane or ethanol as representatives of non-polar and polar solvents. Crude extracts were either used directly or after decarboxylation of cannabis acids for measurement of selected biological activities-cytotoxicity against carcinogenic line B16 (musculus skin melanoma cells), cytotoxicity against Human … …American Journal of Applied Sciences, Vol. 19, Issue 1 · 26 May 2022 · 6,735 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleImpact of Mahatma Gandhi National Rural Employment Guarantee Act Activities on Agriculture as Perceived by FarmersS. Thangamalar, S. Kalaivani, S. Palaniswamy, K.R. AshokOut of 66.00% of rural population in India, majority are landless labours depending on the mercy of employment providers for their livelihood. This population is the most vulnerable section to poverty, underemployment, access to development, etc. Therefore the Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA) has been implemented by the Government of India to improve the living standards of … …Journal of Social Sciences, Vol. 12, Issue 2 · 17 Jun 2016 · 8,167 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleEffects of Cement Dust on the Physiological Activities of Arabidopsis thalianaSaeid Abu-Romman, Jarrah AlzubiAir pollution exerts detrimental effects on plant ecosystems and restricts agricultural productivity. Cement dust is considered to be one of the most harmful air pollutants of industrial origin and is a limiting factor for plant growth and productivity. This study aims to uncover the impacts of cement dust on photosynthetic pigments, protein content, hydrogen peroxide (H2O2) accumulation, lipid per oxidation … …American Journal of Agricultural and Biological Sciences, Vol. 10, Issue 4 · 17 Nov 2015 · 8,113 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleAntioxidant and Antimutagenic Activities of Taif Grape (Vitis vinifera) CultivarsAbdelmegid Ibrahim Fahmi, Mohamed Ahmed Nagaty, Ahmed Mohamed El-ShehawiExtract of grape Vitis vinifera has been reported to exhibit antioxidant and antimutagenic activities and the phenolic compounds play a vital role in determining these activities. Therefore; the objective of the present study was to evaluate the antioxidant and anti-mutagenic activities as well as the phenolic composition of different grape cultivar extracts collected from Taif region. The grape cultivars namely; … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 2 · 20 Jun 2013 · 8,010 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleEvaluation of Acute Toxicity and Neuropharmacological Activities of PM-52Wipawee Thukhum-Mee, Jintanaporn Wattanathorn, Supaporn MuchimapuraThe neuropsychological disorders are increasing their importance nowadays. Unfortunately, the therapeutic efficacy is still not in satisfaction level. Therefore, the novel agents that are effective, safe, cheap and easy to approach are in required. Therefore, we aimed to determine the neuropharmacological activities of PM52, the novel herbal supplement. We had developed the PM52, a novel product comprising of Cissampelas pariera … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 2 · 27 May 2013 · 7,351 accessesView PDF Cite