Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil

Detalhes bibliográficos
Autor(a) principal: Coutinho, Joana O P A
Data de Publicação: 2013
Outros Autores: Silva, Mariana Pereira dos Santos, Moraes, P.M., Monteiro, Andrea de Souza, Barcelos, J.C.C., Siqueira Filho, Ezequias Pessoa de, Santos, Vera Lúcia dos
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/30403
Resumo: 2020-01-01
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spelling Coutinho, Joana O P ASilva, Mariana Pereira dos SantosMoraes, P.M.Monteiro, Andrea de SouzaBarcelos, J.C.C.Siqueira Filho, Ezequias Pessoa deSantos, Vera Lúcia dos2018-12-05T16:28:12Z2018-12-05T16:28:12Z2013COUTINHO, Joana O P A et al. Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil. Bioresour Technol., v. 128, p. 646-654, 20130960-8524https://www.arca.fiocruz.br/handle/icict/3040310.1016/j.biortech.2012.09.137engElsevier Science Pub. CoPseudomonas aeruginosaDemulsificaçãoEmulsões de água em óleoPseudomonas aeruginosaDemulsificationWater-in-oil emulsionsDemulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soilinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article2020-01-01Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Microbiologia. Belo Horizonte, MG, BrazilUniversidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Microbiologia. Belo Horizonte, MG, BrazilUniversidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Microbiologia. Belo Horizonte, MG, BrazilUniversidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Microbiologia. Belo Horizonte, MG, Brazil/Universidade Vale do Rio Doce. Faculdade de Ciências da Saúde. Laboratório de Pesquisa em Microbiologia. MG, BrazilUniversidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Bioquímica e Imunologia. Belo Horizonte, MG, BrazilFundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Química de Produtos Naturais. Belo Horizonte, MG, BrazilUniversidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Microbiologia. Belo Horizonte, MG, BrazilA strain of Pseudomonas aeruginosa isolated from a site contaminated with refined oil products exhibited demulsification capabilities against Tween 80-Span 80 stabilized oil-in-water (O/W), Tween 80-stabilized water-in-oil (W/O) model emulsions (kerosene-water), and an industrial emulsion (Daido Dairoll PA-5A). GC-MS analysis confirmed the presence of fatty acids and carbohydrates in the extracellular biodemulsifier. The demulsifying activity of cells and culture supernatants was favored by growth in media containing 1% diesel oil. There was a correlation between culture age, de-emulsification and cellular hydrophobicity, and highest activities were observed for cells and supernatants from 96-h cultures. Activity increased with addition of up to 60 mg cells or 300 μL supernatant to emulsions. The activity was relatively stable at 20-40 °C and to freezing, but was reduced by 69% by washing the cells with chloroform-methanol-water. This demulsifier has potential for application in biotreatment of emulsified oily wastewaters to promote recovery and/or degradation of oil.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-83082https://www.arca.fiocruz.br/bitstream/icict/30403/1/license.txt9193a7c197bc67acd023525e72a03240MD51ORIGINALDemulsifying properties of extracellular products.pdfDemulsifying properties of extracellular products.pdfapplication/pdf6623826https://www.arca.fiocruz.br/bitstream/icict/30403/2/Demulsifying%20properties%20of%20extracellular%20products.pdfd06a3eb5c90c17ca83936fd992e37d7dMD52TEXTDemulsifying properties of extracellular products.pdf.txtDemulsifying properties of extracellular products.pdf.txtExtracted 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dc.title.pt_BR.fl_str_mv Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
title Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
spellingShingle Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
Coutinho, Joana O P A
Pseudomonas aeruginosa
Demulsificação
Emulsões de água em óleo
Pseudomonas aeruginosa
Demulsification
Water-in-oil emulsions
title_short Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
title_full Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
title_fullStr Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
title_full_unstemmed Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
title_sort Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil
author Coutinho, Joana O P A
author_facet Coutinho, Joana O P A
Silva, Mariana Pereira dos Santos
Moraes, P.M.
Monteiro, Andrea de Souza
Barcelos, J.C.C.
Siqueira Filho, Ezequias Pessoa de
Santos, Vera Lúcia dos
author_role author
author2 Silva, Mariana Pereira dos Santos
Moraes, P.M.
Monteiro, Andrea de Souza
Barcelos, J.C.C.
Siqueira Filho, Ezequias Pessoa de
Santos, Vera Lúcia dos
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Coutinho, Joana O P A
Silva, Mariana Pereira dos Santos
Moraes, P.M.
Monteiro, Andrea de Souza
Barcelos, J.C.C.
Siqueira Filho, Ezequias Pessoa de
Santos, Vera Lúcia dos
dc.subject.other.pt_BR.fl_str_mv Pseudomonas aeruginosa
Demulsificação
Emulsões de água em óleo
topic Pseudomonas aeruginosa
Demulsificação
Emulsões de água em óleo
Pseudomonas aeruginosa
Demulsification
Water-in-oil emulsions
dc.subject.en.pt_BR.fl_str_mv Pseudomonas aeruginosa
Demulsification
Water-in-oil emulsions
description 2020-01-01
publishDate 2013
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2018-12-05T16:28:12Z
dc.date.available.fl_str_mv 2018-12-05T16:28:12Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv COUTINHO, Joana O P A et al. Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil. Bioresour Technol., v. 128, p. 646-654, 2013
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/30403
dc.identifier.issn.pt_BR.fl_str_mv 0960-8524
dc.identifier.doi.none.fl_str_mv 10.1016/j.biortech.2012.09.137
identifier_str_mv COUTINHO, Joana O P A et al. Demulsifying properties of extracellular products and cells of Pseudomonas aeruginosa MSJ isolated from petroleum-contaminated soil. Bioresour Technol., v. 128, p. 646-654, 2013
0960-8524
10.1016/j.biortech.2012.09.137
url https://www.arca.fiocruz.br/handle/icict/30403
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier Science Pub. Co
publisher.none.fl_str_mv Elsevier Science Pub. Co
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
reponame_str Repositório Institucional da FIOCRUZ (ARCA)
collection Repositório Institucional da FIOCRUZ (ARCA)
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