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2010•AFRICAN JOURNAL OF BIOTECHNOLOGYOpen access

Biodegradation of phenanthrene in artificial seawater by using free and immobilized strain of Sphingomonas sp. GY2B

Xueqin Tao, Jieping Liu, Guining Lu, Guo Xiu, Huiping Jiang, Guan-Qiu Sun

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Abstract

-1 and 0.5 cm, respectively. The immobilized strain GY2B had high degradation rate both in mineral salts medium and 80% artificial seawater, and was higher than that of the free strain GY2B. More than 95% phenanthrene (100 mgL -1 ) was degraded within 32 h, and the phenanthrene degradation percentages were > 99.5% after 67 h for immobilized strains. Immobilization of strain GY2B with rice straw possesses a good application potential in the treatment of wastewater and bioremediation of estuary and offshore environment contaminated by phenanthrene.

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-1 and 0.5 cm, respectively. The immobilized strain GY2B had high degradation rate both in mineral salts medium and 80% artificial seawater, and was higher than that of the free strain GY2B. More than 95% phenanthrene (100 mgL -1 ) was degraded within 32 h, and the phenanthrene degradation percentages were > 99.5% after 67 h for immobilized strains. Immobilization of strain GY2B with rice straw possesses a good application potential in the treatment of wastewater and bioremediation of estuary and offshore environment contaminated by phenanthrene.

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Available abstract

-1 and 0.5 cm, respectively. The immobilized strain GY2B had high degradation rate both in mineral salts medium and 80% artificial seawater, and was higher than that of the free strain GY2B. More than 95% phenanthrene (100 mgL -1 ) was degraded within 32 h, and the phenanthrene degradation percentages were > 99.5% after 67 h for immobilized strains. Immobilization of strain GY2B with rice straw possesses a good application potential in the treatment of wastewater and bioremediation of estuary and offshore environment contaminated by phenanthrene.

Key concepts: Phenanthrene, Bioremediation, Biodegradation, Strain (injury), Seawater, Chemistry, Degradation (telecommunications), Sphingomonas

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Biodegradation of phenanthrene in artificial seawater by using free and immobilized strain of Sphingomonas sp. GY2B — Research Paper | ScholarLens