Physicochemical Properties of Rhamnolipid Biosurfactant from <i>Pseudomonas aeruginosa</i> PA1 to Applications in Microemulsions
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Physicochemical Properties of Rhamnolipid Biosurfactant from Pseudomonas aeruginosa PA1 to Applications in Microemulsions
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 capacity using laser light pro...
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A microbial surfactant (biosurfactant) was investigated for its potential to enhance bioavailability and, hence, the biodegradation of octadecane. The rhamnolipid biosurfactant used in this study was extracted from culture supernatants after growth of Pseudomonas aeruginosa ATCC 9027 in phosphate-limited proteose peptone-glucose-ammonium salts medium. Dispersion of octadecane in aqueous solutio...
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Rhamnolipids are biosurfactants with potential for diversified industrial and environmental uses. The present study evaluated three strategies for increasing the production of rhamnolipid-type biosurfactants produced by Pseudomonas aeruginosa strain PA1. The influence of pH, the addition of P. aeruginosa spent culture medium and the use of a fed-batch process were examined. The culture medium a...
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ژورنال
عنوان ژورنال: Journal of Biomaterials and Nanobiotechnology
سال: 2015
ISSN: 2158-7027,2158-7043
DOI: 10.4236/jbnb.2015.61007