Bioemulsifiers
Mostrando 1-5 de 5 artigos, teses e dissertações.
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1. Production of bioemulsifiers by Yarrowia lipolytica in sea water using diesel oil as the carbon source
The objective of this work was to investigate, on a flask scale, the production of bioemulsifiers by Yarrowia lipolytica in the presence of sea water, supplemented with nitrogen and phosphate sources, using diesel oil as substrate. A full 2(4) factorial design was conducted to investigate the effects and interactions of the nutrient concentrations (diesel oi
Brazilian Journal of Chemical Engineering. Publicado em: 2012-03
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2. Bioprospecção de genes envolvidos na síntese de biossurfactantes a apartir de microbiota de resevatórios de petróleo / Bioprospection of genes involved in the synthesis of biosurfactants from braziliam petroleum reservoirs microbial communities
Bioemulsifiers or biosurfactants are compounds produced by microorganisms which enhance the bioavailability of hydrophobic substances promoting the stabilization of substances with different polarities, like oil-in-water emulsion occurring in petroleum reservoirs. The samples used in this work were collected in the Potiguar Basin (RN, Brazil), and employed a
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/07/2010
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3. Biodegradação de óleo diesel por candida lipolytica em água do mar.
The biodegradation of hydrocarbons by natural population of microorganism represents one of the primary mechanisms by which diesel oil and others hydrocarbons pollutants are eliminated or transformed in the environment. It is generally accepted today that petroleum hydrocarbon, can be degraded by microorganisms as long as a few factors, such as nutrients, or
Publicado em: 2009
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4. Potencial biotecnolÃgico de Candida lipolytica na produÃÃo de biossurfactantes, nos processos de remoÃÃo e biossorÃÃo do pireno (derivado do petrÃleo)
In previous studies Candida lipolytica IA1055 has shown excellent potential in biosurfactant production, demonstrating emulsifying ability in low-cost culture media. Taking that into consideration, investigations were performed utilizing low-cost culture media in basal seawater supplemented with babassu oil and glucose as control of carbon sources. The highe
Publicado em: 2004
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5. Surface-Active Agents from Two Bacillus Species
Two Bacillus species were studied which produced bioemulsifiers; however, they were distinctly different compounds. Bacillus sp. strain IAF 343 produced unusually high yields of extracellular biosurfactant when grown on a medium containing only water-soluble substrates. The yield of 1 g/liter was appreciably better than those of most of the biosurfactants re