Showing 2,381 - 2,400 results of 3,811 for search '"tropics"', query time: 0.07s Refine Results
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    Water hyacinth [Eichhornia Crassipes (Mart.)] invasion: implications for livelihoods in the central Rift Valley of Ethiopia by Assefa Gudina, Dagne Getachew Woldemedhin, Aseffa Seyoum, Feyera Senbeta, Engdawork Assefa, Afework Alemayehu

    Published 2025-01-01
    “…Water hyacinth spans extensive geographic areas in tropical and semi-tropical regions. Its impact on livelihoods is connected to the production of crops, fish, livestock, and other activities that influence costs and returns for rural smallholders. …”
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    Persistence and emergence of X4 virus in HIV infection by Ariel D. Weinberger, Alan S. Perelson

    Published 2011-03-01
    “…Approximately 50% of late-stage HIV patients develop CXCR4-tropic (X4) virus in addition to CCR5-tropic (R5) virus. …”
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    Análisis histórico de la explotación maderera en las serranías del Pacífico Central de Costa Rica by Eugenio González-J.

    Published 2024-04-01
    “…[Conclusión] La colonización temprana de la región, la existencia de infraestructura, alta demanda de productos forestales en el ámbito nacional e internacional, y la disponibilidad de recursos forestales en una zona donde convergen el bosque seco tropical, el bosque nuboso y el bosque húmedo tropical, y las condiciones edafoclimáticas que facilitaron también el desarrollo de cultivos agrícolas, favorecieron posiblemente el cambio de uso del suelo y, por ende, la explotación forestal de la región. …”
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    Detection of Invasive Species (Siam Weed) Using Drone-Based Imaging and YOLO Deep Learning Model by Deepak Gautam, Zulfadli Mawardi, Louis Elliott, David Loewensteiner, Timothy Whiteside, Simon Brooks

    Published 2025-01-01
    “…Siam weed is a perennial scrambling shrub from tropical and sub-tropical America that is invasive outside its native range, causing substantial environmental and economic impacts across Asia, Africa, and Oceania. …”
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    Seasonal distribution and cercarial shedding of Bulinus spp. snails: Implications for urogenital schistosomiasis control in the Simiyu Region, northwestern Tanzania by Nyanda C. Justine, Humphrey D. Mazigo, Antje Fuss, Bonnie L. Webster, Eveline T. Konje, Klaus Brehm, Andreas Mueller

    Published 2025-01-01
    “…Urogenital schistosomiasis is a neglected tropical disease of significant public health concern caused by the trematode species Schistosoma haematobium. …”
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    Fabrication of Nano-Silver Composite Using Amomum longiligulare Fruit Polysaccharides and Their Biological Activities by Lian Y, Ma N, Cheng Q, Luo M, Xu Z, He F, Zhou X, Zhang Y, Jin D, Kong Y, Wang Y, Wei N

    Published 2025-02-01
    “…Yong Lian,1,* Ning Ma,2,* Qianying Cheng,1,* Mingquan Luo,1 Zhen Xu,1 Fei He,1 Xiaomei Zhou,1 Ying Zhang,1 Dejun Jin,1 Yidan Kong,1 Yong Wang,1 Na Wei1 1Hainan Provincial Key Laboratory of R&D on Tropical Herbs, Engineering Research Center of Tropical Medicine Innovation and Transformation of Ministry of Education, International Joint Research Center of Human-Machine Intelligent Collaborative for Tumor Precision Diagnosis and Treatment of Hainan Province, School of Pharmacy, Hainan Medical University, Haikou, 571199, People’s Republic of China; 2Reproductive Medical Center, Hainan Women and Children’s Medical Center, Haikou, Hainan Province, People’s Republic of China*These authors contributed equally to this workCorrespondence: Na Wei; Yong Wang, Hainan Provincial Key Laboratory of R&D on Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, People’s Republic of China, Email weina-0613@163.com; wangyong1982_2004@163.comPurpose: Study aims to optimize the synthesis conditions for silver nanoparticle composites [ALP(D)-AgNPs] using a rapid and environmentally friendly method and investigate the antioxidant, antibacterial, and anticancer activities of the fabricated composite.Methods: The polysaccharide component ALP-D was extracted and purified from the fruits of Amomum longiligulare and subsequently used for further experiments. …”
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