143 articles for “human activities”

Research ArticleOpen accessIn the abstractImmunomodulatory and Antioxidant Effects of Stachys Japonica Miq. Ethanol Extract on Cyclophosphamide-Induced Immunosuppressed Mice and its Phytochemical CompositionXueping Jiang, Jianglong He, Yanjun Chen, Fang WangStachys japonica Miq. is an edible wild botanical drug and a traditional medicine in China. This study focused on examining the phytochemical profile and antioxidant properties of the ethanol extract of S. japonica Miq (SJEE) in vitro, as well as its immunomodulatory and antioxidant activities in cyclophosphamide (Cy)-induced immunosuppressed mice. The SJEE was analysed by UPLC-HRMS/MS. 36 Polyphenols, including flavonoids, … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 1 · 13 Apr 2026 · 1,456 accessesView PDF Cite

Review ArticleOpen accessIn the abstractContamination, Spoilage and Safety of Fisheries and Aquaculture Products By Pseudomonas sppAlejandro De Jesús Cortés-Sánchez, Mayra Diaz-Ramírez et al.Food safety is the guarantee that it will not cause harm to the health of those who consume it and is considered an important element of its quality. Fish is a nutritious and basic food in the human diet, and its supply occurs through fishing and aquaculture activities. Fish is susceptible to contamination and microbiological spoilage through the food chain, … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 4 · 20 Nov 2023 · 6,610 accessesView PDF Cite

Case ReportOpen accessIn the abstractGully Morphological Assessment and Anthropogenic Determinants in Urban and Rural Settlements of Upper Imo River Basin (UIRB) South Eastern NigeriaNnamdi Christian ChiboGully erosion have been proven to vary both in terms of size and number in urban and rural settlements and is caused by factors related to both human and natural phenomenon. This study assessed the gully morphological development in an urban and rural settlement with the view of finding the settlement that is more vulnerable to gully erosion development. It … …American Journal of Environmental Sciences, Vol. 18, Issue 6 · 19 Dec 2022 · 5,953 accessesView PDF Cite

Research ArticleOpen accessIn the abstractDiminishing Lagoon Services in the Era of Urbanization: A Case of Muni-Pomadze Lagoon in GhanaJohn Aloba Atubiga, Eric DonkorTheMuni lagoon is among the six internationally recognized coastal wetlands(Ramsar site) under the convention on wetlands because of the role it playswhich promoting human livelihood development and the ecosystem. The period of urbanization has resulted in the encroachment ofthe lagoon leading to the decline of its services. This study investigates thediminishing lagoon services as a result of urbanization, using the … …Journal of Social Sciences, Vol. 18, Issue 1 · 27 Aug 2022 · 6,218 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEvaluation of Antioxidant and Antibacterial Activities of the Polysaccharides from Mycelium and the Culture Medium of Pleurotus Eryngii Strain UN-1Qing Liu, Haodong Wu, Ying Wu et al.Pleurotus eryngii was one of the most precious and ordinary edible mushrooms, and its polysaccharides were the major active substances. In this study, P. eryngii strain UN-1 was cultured in a liquid medium at 25℃ under a shaking of 80 rpm for 7 days. Two crude polysaccharides named CPN and CPNM were obtained from the mycelium of P. eryngii UN-1 … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 3 · 19 Jul 2022 · 6,182 accessesView PDF Cite

Literature ReviewOpen accessIn the abstractOptimization 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 · 6,741 accessesView PDF Cite

Research ArticleOpen accessIn the abstractCrude 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 · 6,998 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAn AI-Assisted Research Automation System for Scholarly Paper Retrieval and Review With Workflow OrchestrationSompoch Tongnamtiang, Manirath Wongsim, Natarpha SatchawateeThe rapid growth of scholarly publications has increased the complexity of conducting rigorous and reproducible literature reviews, while traditional manual review processes are increasingly constrained by information overload, time consumption, and inconsistencies in screening decisions. This study proposes an AI-assisted research automation system that integrates workflow orchestration with literature retrieval and review support mechanisms to address these challenges. The workflow … …Journal of Computer Science, Vol. 22, Issue 7 · 6 Jul 2026 · 1,499 accessesView PDF Cite

Research ArticleOpen accessIn the abstractInvestigation of Landform and Sunlight in Zayandeh Roud BasinKaveh Ostad-Ali-Askari, Maryam Marani-BarzaniSolar energy is as of energy that it is significant in human activities. Human activities can use in agricultures, factories, industrial and residential plan. In other hand, solar energy is as renewable energy can help to have safety environment. This study tries to say significant of identification of landforms and getting cheap and safe energy. In this study, classification of … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 4 · 15 Dec 2021 · 5,885 accessesView PDF Cite

Research ArticleOpen accessIn the abstractMan Invades Nature: Tracing the Dynamics and Trends of Anthropogenic Stressors Within a Coastal Wetland EnvironmentEmmanuel Yeboah Okyere, Kofi Adu-Boahen, Bismark MensahCoastal areas contain some of the most valuable resources on earth that are constantly under threat due to human development. Notable among these resources are wetlands, a delicate but beneficial asset to coastal dwellers. This study studied the growth of Winneba City into the Muni Lagoon catchment as well as its associated effects on the Ramsar Site. The study used … …Journal of Social Sciences, Vol. 19, Issue 1 · 16 Jun 2023 · 6,055 accessesView PDF Cite