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Effect of polyculture of shrimp with fish on luminous bacterial growth in grow-out pond water and sediment

Journal of Coastal Life Medicine 2014年第6期 438-441页

作者： Thangapalam Jawahar Abraham Department of Aquatic Animal Health Faculty of Fishery SciencesWest Bengal University of Animal and Fishery SciencesKolkata-700094West BengalIndia

Objective:To study the distribution of marine luminous bacteria in shrimp culture systems of West Bengal and the effect of polyculture of shrimp with fish to reduce luminous ***:luminous bacterial counts were enumerated by spread plating on seawater complex agar from shrimp grow-out pond water and pond sediment samples of West Bengal,***:About 31.16%and 51.44%of pond sediment and pond water samples respectively had detectable levels of luminous *** was noticed that in normal ponds a shift happened in bacterial profile of water from the day of flooding up to 60 d,with the dominance of luminous bacteria among vibrios,reaching counts 10^(4) cells/mL or *** in diseased ponds,luminous bacterial abundance within the ponds was noticed in the first 6 weeks of *** reduction in luminous bacterial counts of water and sediment was observed through out the culture period in polyculture ponds compared to monoculture *** was no incidence of white spot syndrome viral disease and luminous vibriosis in both controlled and experimental ***:The results suggest vigilant monitoring of ponds for luminous bacteria abundance and polyculture of shrimp with fish in ecofriendly sustainable aquaculture can reduce the impact of shrimp disease outbreak.

关键词： Shrimp culture luminous bacteria Biological treatments Polyculture

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石墨烯及其衍生纳米材料的比较毒理学研究（英文）

石墨烯及其衍生纳米材料的比较毒理学研究（英文）

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第二届全国环境纳米技术及生物效应学术研讨会

作者：贾盼盼邓顺裴得胜中国科学院重庆绿色智能技术研究院三峡生态环境研究所

With the increasing application of Graphene（G） and Graphene oxide（GO） in our daily life,these pollutions in various environments posed harmful risks on wild organism and human *** reveal the inner mechanism of nano-materials’ toxicity,this work focus on the relationships between sizes and toxicity of G and GO using in vivo and in vitro ***,we compared and characterized the different sizes of G and GO,and then explored the potential toxicity on human cells,luminous bacteria and zebrafish *** the evaluation of their cytotoxicity,antibacterial properties,and embryonic toxicity,we found that the sizes and exposure concentrations affected the toxicity of G and GO,and finally disturbed the potential signal pathways in *** findings provides inner insights for discovering the nano-materials’ *** importantly,controlling the sizes or concentration of G and GO may effectively decrease their toxicity,and ensure our environmental security for their wide ***,G and GO treatment significantly affected the larval development,and activated BER and PI3K pathways in ***,GO exerted more harmful effects than the same sizes of G to activate the signaling pathways both in HEK 293T cells and *** together,our results implied that the size,oxide-content,and concentration of G and GO are the critical factors responsible for inner toxicity mechanisms both in vivo and in vitro,which ultimately provided the new insights to the toxic potentials of these nano-materials,and might be useful to abate their future negative impacts in biomedical applications.

关键词： DNA damage Graphene and Graphene Oxide HEK 293T cells luminous bacteria Toxicological pathways Zebrafish

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