Physicochemical Properties of Rhamnolipid Biosurfactant from Pseudomonas aeruginosa PA1 to Applications in Microemulsions
Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53403#.VMG11yzQrzE Author(s) Anderson Nogueira Mendes 1,2 , Lívia Alves Filgueiras 1 , José Carlos Pinto 2 , Marcio Nele 3 Affiliation(s) 1 Departamento de Biofisica e Fisiologia, Universidade Federal do Piauí, Teresina, Brazil . 2 Programa de Engenharia Química, Instituto de Tecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil . 3 Departamento de Engenharia Química, Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil . ABSTRACT Interfacial properties rhamnolipids from an extract produced by a strain of Pseudomonas aeruginosa were analyzed in this study. The extract of rhamnolipid was characterized by surface tension in different conditions; interfacial tension with different hydrocarbons; critical micelle concentration under different pH and temperatures; particle size and emulsification ...