82 resultados para Cosmetics


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Pós-graduação em Ciências Biológicas (Biologia Celular e Molecular) - IBRC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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

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Pós-graduação em Ciências Biológicas (Microbiologia Aplicada) - IBRC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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

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Interest in oligosaccharide production and its general characteristics is growing. The physiological effects resulting from its ingestion make them more attractive than its sweetness, and the versatility of these carbohydrates allows their use for human and animal nutrition, pharmacology and the cosmetics industry, among others. Several microorganisms are involved in enzyme production to create oligomers with biological activity, including fructooligosaccharides, galactooligosaccharides and aminoglucanoligosaccharides. Some oligomers are currently on the market, but the search for new microorganisms producing enzymes, high-yield processes for obtaining oligosaccharides, different physiological effects, and a correlation between chemical structure and function continues.

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

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Pós-graduação em Engenharia de Produção - FEB

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Azo dyes are extensively used for coloring textiles, paper, food, leather, drink, pharmaceutical products, cosmetics and inks. The textile industry consumes the largest amount of azo dyes, and it is estimated that approximately 10 - 15% of dyes used for coloring textiles might be lost in waste streams. Almost all azo dyes are synthetic and resist biodegradation, however, they can be readly reduced by a number of chemical and biological reducing systems. Biological treatment is advantageous over physical and chemical method as result of its low cost and little disturbance to the environment. This research focuses on the utilization of Aspergillus oryzae, to remove some kinds of azo dyes from aqueous solutions. The fungi, physically induced in its paramorphogenic form (called, pellets), were used in the dyes biosorption studies with both non autoclave and autoclaved hyphas, at differents pH values. Thus the goals are the removal of dyes by biosorption and the decrease of its toxicity.