Home Itens selecionados Provedores de dados OAI Créditos Sobre Ajuda

			Busca avançada
	Provedor de dados 52 (2) Autor Motamedi,Hossein (2) Heidarizadeh,Fariba (1) Honary,Soheyla (1) Kazeminezhad,Iraj (1) Mayeli,Nasim (1) Pouri,Saeedeh (1) Mais... Palavra-chave Bacillus axaraqunsis (1) Bacillus cereus Green chemistry Selenium (1) Biodegradable polymer (1) Bioplastic (1) Nanoparticle (1) Petrochemical wastewater (1) Polyhydroxyalkanoate (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2017 (1) 2015 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Biological Synthesis of Selenium Nanoparticles and Evaluation of their Bioavailability 52 Pouri,Saeedeh; Motamedi,Hossein; Honary,Soheyla; Kazeminezhad,Iraj. ABSTRACT Nanoparticles due to their unique properties have attracted more attention and their bacterial biosynthesis is more favorable because is environmental friendly and the size and yield of nanoparticles can be optimized. The aim of the present study was biosynthesis of Selenium nanoparticles using Bacillus cereus. For this purpose, bacterial culture was prepared in the presence of sodium selenate solution and incubated (30°C, 24 h). The produced nanoparticles were purified through consequent centrifugation, washing with 0.9% NaCl, sonication, washing with Tris- HCl containing Sodium dodecyl sulfate (SDS) and finally isolation with water- octanol two phase systems. Then using Ultraviolet-Visible spectroscopy, dynamic light scattering (DLS), scaning... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacillus cereus Green chemistry Selenium; Nanoparticle. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100456 Production of Polyhydroxybutyrate by Bacillus axaraqunsis BIPC01 using Petrochemical Wastewater as Carbon Source 52 Mayeli,Nasim; Motamedi,Hossein; Heidarizadeh,Fariba. The aim of this study was to use petrochemical wastewater as the source of carbon for the production of polyhydroxyalkanoates (PHA) in an effort to decrease its cost of production. For this purpose, PHA producing bacteria were isolated from the petrochemical wastewater of Bandar Imam, Iran. The purified colonies were screened for PHA by Sudan Black B and Nile Blue A staining. Among positively stained bacteria, the best PHA producer was selected on the basis of cell growth, PHA content and the monomer composition of PHA. The phenotypic and genotypic identification this isolate showed it to be Bacillus axaraqunsis. The PHA was produced at a cell density of about 9.46 g/l of maximum concentration of 6.33g/l l, corresponding to 66% of cell dry weight. These... Tipo: Info:eu-repo/semantics/article Palavras-chave: Polyhydroxyalkanoate; Petrochemical wastewater; Bacillus axaraqunsis; Biodegradable polymer; Bioplastic. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000400643 Registros recuperados: 2 Primeira ... 1 ... Última

Empresa Brasileira de Pesquisa Agropecuária - Embrapa Todos os direitos reservados, conforme Lei n° 9.610 Política de Privacidade Área restrita		Embrapa Parque Estação Biológica - PqEB s/n° Brasília, DF - Brasil - CEP 70770-901 Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco