Commenced in January 2007
Paper Count: 31515
Study of the Sorption of Biosurfactants from l. Pentosus on Sediments
Abstract:Losses of surfactant due to sorption need to be considered when selecting surfactant doses for soil bioremediation. The degree of surfactant sorption onto soil depends primarily on the organic carbon fraction of soil and the chemical nature of the surfactant. The use of biosurfactants in the control of the bioavailability of toxicants in soils is an attractive option because of their biodegradability. In this work biosurfactants were produced from a cheap raw material, trimming vine shoots, employing Lactobacillus pentosus. When biosurfactants from L. pentosus was added to sediments the surface tensión of the water containing the sediments rapidly increase, the same behaviour was observed with the chemical surfactant Tween 20; whereas sodyum dodecyl sulphate (SDS) kept the surface tension of the water around 36 mN/m. It means, that the behaviour of biosurfactants from L. pentosus is more similar to non-ionic surfactatns than to anionic surfactants.
Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1079490Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 1688
 S. M. Bamforth, and I. Singleton, "Bioremediation of polycyclic aromatic: current knowledge and future directions". Journal of Chemical Technology Biotechnology 80, 723-736, 2005.
 F.D.S. Curbelo, V.C. Santanna, E.L. Barros Neto, T.V. Dutra Jr., T.N. Castro Dantas, A.A. Dantas Neto and A.I.C. Garnica, "Adsorption of Nonionic Surfactants in Sandstones". Colloids Surf. A, 293, 1-4, 2007.
 I.M. Banat, R.S. Makkar and S.S. Cameotra, "Potential commercial applications of microbial surfactants. Applied Microbiology and Biotechnology 53, 495-508, 2000.
 G. Bustos, A.B. Moldes, J.M. Cruz and J.M. Dominguez, "Production of fermentable media from trimming wastes and bioconversion into lactic acid by Lactobacillus pentosus". J. Sci. Food Agr. 84(15), 2105-2112, 2004.
 G. Bustos, A.B. Moldes, J.M. Cruz and J.M. Dominguez, "Influence of the metabolism pathway on lactic acid production from hemicellulosic trimming vine shoots hydrolyzates using L. pentosus". Biotechnol. Progress, 21(3), 793-798, 2005.
 G. Bustos, N. de la Torre, A.B. Moldes, J.M. Cruz and J.M. Dom├¡nguez, "Revalorization of hemicellulosic trimming vine shoots hydrolyzates through continuous production of lactic acid and biosurfactants by L.pentosus". J. Eng., 78(2), 405-412, 2007.
 A.B. Moldes, A.M. Torrado, M.T. Barral and J.M. Dom├¡nguez, "Evaluation of biosurfactant production from various agricultural residues by Lactobacillus pentosus". J. Agr. Food Chem., 55(11), 4481- 4486, 2007.
 M. Portilla, A. Torrado-Agrasar, J. Carballo, J.M. Dom├¡nguez and A.B. Moldes, "Development of a factorial design to study the effect of the major hemicellulosic sugars on the production of surface-active compounds by L. pentosus". J. Agr. Food Chem., 57(19), 9057-9062, 2009.
 S. Kim, E. Lim, S. Lee, J. Lee and T. Lee, "Purification and characterization of biosurfactants from Nocardia sp L-417". Biotechnol. Appl. Biochem. 31, 249-253, 2000.
 F. Guiti├ín and T. Carballas, "Técnicas de An├ílisis de Suelos". Pico Sacro Ed., Santiago de Compostela, Spain. 1976.
 J. Murphy and J. Riley, "A modified single solution method for the determination of phosphate in natural waters". Analytica Chimica Acta 27, 31 - 36, 1962.
 CIR publication, "Final Report on the Safety Assessment of Sodium Lauryl Sulfate and Ammonium Lauryl Sulfate". International Journal of Toxicology 2 (7), 127-181, 1983.
 S. Marrakchi and H.I. Maibach, "Sodium lauryl sulfate-induced irritation in the human face: regional and age-related differences". Skin Pharmacol Physiol. 19 (3), 177-180, 2006.
 M.A. Muherei and R. Junin, "Equilibrium adsorption of anionic, noionic surfactatants and their mixture tos hale and sandstone". Modern Applied Science 3, 158-167, 2009.
 M.S. Rodriguez-Cruz, M.J. Sanchez-Martin and M. Sanchez-Camazano, "A Comparative Study of Adsorption of an Anionic and a Nonionic Surfactant by Soils Based on Physicochemical and Mineralogical Properties of Soils". Chemosphere, 61, 56-64, 2005.