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	Antifouling potential of marine sessile organisms from the southeast coast of china against the barnacle Balanus albicostatus
	Danqing Feng ; Feng DQ(冯丹青) ; Caihuan Ke ; Ke CH(柯才焕) ; Changyi Lu ; Lu CY(卢昌义) ; Shaojing Li ; Li SJ(李少菁)
	2008
英文摘要	【英文摘要】Marine fouling organisms constitute a worldwide technical and economical problem. Environmental and human health problems associated with the use of toxic antifoulants makes it a necessity to develop environmentally friendly alternatives (Yebra et al., 2004). The present study investigated the antifouling activity of a series of hexane, ethyl acetate, ethanol and aqueous extracts from Ulva pertusa, Thalassia hemprichii, Enhalus acoroides, Tedania anhelans, Halichondria sp., Bugula neritina, Tubularia mesembryanthemum, Anthopleura sp., Notarcus leachii cirrosus, Styela plicata and Styela canopus from the southeast coast of China. Settlement inhibition of cyprid larvae of the barnacle Balanus albicostatus was used to evaluate antifouling efficacy. The EC50 value (the concentration of extract that reduced the settlement rate by 50% relative to the control) was estimated using the Spearman–Karber method. Screening of the 44 extracts showed antifouling activity in 90.9% of the hexane extracts followed by 90.9% of ethyl acetate, 72.7% of ethanol, and 36.4% of aqueous extracts. The hexane extracts of T. mesembryanthemum, N. leachii cirrosus and S. canopus, the ethyl acetate extracts of B. neritina and N. leachii cirrosus, and the ethanol extracts of B. neritina and Anthopleura sp. were the most active in inhibiting B. albicostatus settlement, with EC50 all below 50 μg/mL. At least 1 of the 4 extracts of each tested species exhibited antifouling activity, suggesting that all 11 marine sessile organisms harbored antifouling substances and they may have evolved chemical defenses against biofouling on their surfaces. The present findings could form the basis for exploring the compounds responsible for antifouling activity in these marine sessile organisms, which could be exploited not only for elucidating their potential chemical antifouling mechanisms but also for developing novel antifouling technology.
语种	英语
出版者	《Journal of Biotechnology》编辑部
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/1697]
专题	李少菁 海洋环境－已发表论文
推荐引用方式 GB/T 7714	Danqing Feng,Feng DQ,Caihuan Ke,et al. Antifouling potential of marine sessile organisms from the southeast coast of china against the barnacle Balanus albicostatus[J],2008.
APA	Danqing Feng.,冯丹青.,Caihuan Ke.,柯才焕.,Changyi Lu.,...&李少菁.(2008).Antifouling potential of marine sessile organisms from the southeast coast of china against the barnacle Balanus albicostatus..
MLA	Danqing Feng,et al."Antifouling potential of marine sessile organisms from the southeast coast of china against the barnacle Balanus albicostatus".(2008).

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