68 resultados para BG


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Zootecnia - FMVZ

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The objective of the present work was to investigate the potential of cyanobacteria isolated from different environments in decolorizing eleven different types of textile dyes. For inoculum preparation 50 ml of BG-11 medium were used for the cyanobacteria Leptolyngbia CENA103, Leptolyngbia CENA104 and Phormidium autumnale UTEX1580 and 50 ml of SWBG-11 medium for Phormidium sp., Leptolyngbya sp. and Synecochoccus sp. Test tubes containing 10 ml of liquid medium and 0.02% of each dye (remazol, indigo blue, indanthrene blue RCL, drimaren blue CL-R, dispersol blue C-2R, drimaren red CL-5B, dispersol red C- 4G, indanthrene red FBB, drimaren yellow CL-R, palanil yellow 3G and indanthrene yellow 5GF) were inoculated with cyanobacteria. A spectrophotometer was used to verify the maximum absorbance of each dye and the percentage of decolorization and also thin layer chromatography (TLC). The results showed that all the tested cyanobacteria were capable to remove more than 50% of some dyes. The present study confirmed the capacity of cyanobacteria in decolorize and possibly degrade structurally different textile dyes, suggesting the possibility of their application in bioremediation studies. The data are promising, and will lead to further studies of dye degradation and its toxicicity.

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Pós-graduação em Agronomia (Produção Vegetal) - FCAV