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	Provedor de dados Electron. J. Biotechnol. (1) Autor Badenhorst,Jackie (1) Jordaan,Erika (1) Okechukwu Okonkwo,Jonathan (1) Rafiu Awofolu,Omotayo (1) Roux-Van Der Merwe,Renate (1) Palavra-chave Aspergillus niger (1) Fungi species (1) Lead ion (1) Modification (1) Sorption (1) Tipo do documento Journal article (1) Ano 2006 (1) País Chile (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última A new approach to chemical modification protocols of Aspergillus niger and sorption of lead ion by fungal species Electron. J. Biotechnol. Rafiu Awofolu,Omotayo; Okechukwu Okonkwo,Jonathan; Roux-Van Der Merwe,Renate; Badenhorst,Jackie; Jordaan,Erika. Biomasses of five fungi species (Aspergillus niger, Penicillium austurianum, Saccharomyces cerevisiae, Mucor arcindloides and Trichoderma reesi were evaluated for their uptake of lead ion from aqueous solution using batch systems. Both dead and live fungal biomasses were comparatively studied for their adsorption efficiencies. The effect of pH as one of the primary factors that influences sorption efficiency of metal ions in solution was also studied. Modification of the fungal biomass with the least sorption capacity was carried out using a four-step procedure. Three different modifying agents under the optimised experimental conditions were used. The percentage uptake of lead ion by fungi species ranged from: Aspergillus niger: 6.71-64.95% and... Tipo: Journal article Palavras-chave: Aspergillus niger; Fungi species; Lead ion; Modification; Sorption. Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000400001 Registros recuperados: 1 Primeira ... 1 ... Última

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