Results 51 to 60 of about 398,244 (217)

Removal of heavy metals from sediment using rhamnolipid [PDF]

, 2005
The interaction of heavy metals with sediments is complex and means are required to understand this matter more fully. Soil washing is among the methods available to remove heavy metals from sediments.
Dahrazma, Behnaz
core   +1 more source

Growth independent rhamnolipid production from glucose using the non-pathogenic Pseudomonas putida KT2440

Microbial Cell Factories, 2011
Background Rhamnolipids are potent biosurfactants with high potential for industrial applications. However, rhamnolipids are currently produced with the opportunistic pathogen Pseudomonas aeruginosa during growth on hydrophobic substrates such as plant ...
Wittgens Andreas, Tiso Till, Arndt Torsten T, Wenk Pamela, Hemmerich Johannes, Müller Carsten, Wichmann Rolf, Küpper Benjamin, Zwick Michaela, Wilhelm Susanne, Hausmann Rudolf, Syldatk Christoph, Rosenau Frank, Blank Lars M   +13 more
doaj   +1 more source

Enhancement of Pseudomonas Aeruginosa Growth and Rhamnolipid Production Using Iron-Silica Nanoparticles in Low-Cost Medium [PDF]

Journal of Nanostructures, 2018
The application of iron-silica (Fe-Si) nanoparticles for the enhancement of the Pseudomonas aeruginosa growth and rhamnolipid production in molasses medium was studied.
Zahra Sahebnazar, Dariush Mowla, Gholamreza Karimi   +2 more
doaj   +1 more source

Biosurfactant‐assisted recovery and remediation of hydrocarbons from oily sludge using a mobile aerated washing system

Journal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND The oil industry generates oily sludge, the accumulation of which poses a serious environmental problem. Conventional methods require high costs, specialized equipment, and qualified personnel. This waste can be treated using biosurfactants.
Maria Eduarda Pereira da Silva, Fabíola Carolina Gomes de Almeida, Gabriel Neves da Motta Silveira, Bruno Humberto de Almeida Silva, Maria da Glória Conceição da Silva, Celmy Maria Bezerra de Menezes Barbosa, Leonie Asfora Sarubbo   +6 more
wiley   +1 more source

Simultaneous Application of Biosurfactant and Bioaugmentation with Rhamnolipid-Producing Shewanella for Enhanced Bioremediation of Oil-Polluted Soil

Applied Sciences, 2019
In the present study, a combined treatment strategy involving the addition of rhamnolipid, rhamnolipid-producing bacteria (Shewanella sp. BS4) and a native soil microbial community for the remediation of hydrocarbon-contaminated soil under pilot-scale ...
Manoharan Melvin Joe, Ram Gomathi, Abitha Benson, Devaraj Shalini, Parthasarathi Rengasamy, Allen John Henry, Jaak Truu, Marika Truu, Tongmin Sa   +8 more
doaj   +1 more source

Micellar and Solubilization Properties of Biological Surfactant Surfactin

Journal of Surfactants and Detergents, EarlyView.
ABSTRACT We studied aqueous solutions of surfactin in the concentration range of 0.001–200 g/L using NMR diffusometry, tensometry and optical microscopy methods. According to tensometry data, the system forms monolayers of surfactant molecules at the water‐air phase boundary at C = 0.02 g/L.
Victor P. Arkhipov, Ruslan Arkhipov, Natalia Kuzina, Andrei Filippov   +3 more
wiley   +1 more source

Optimization Strategy of Polycyclic Aromatic Hydrocarbon Contaminated Media Bioremediation through Biosurfactant Addition

Chemical Engineering Transactions, 2014
A microbial surfactant was investigated for its potential to enhance bioavailability and, hence, the biodegradation of PAHs contaminated soil. Phenanthrene, a 3-ring polycyclic aromatic hydrocarbon (PAH), was chosen as a model target compound.
F.A. Bezza, E.M.N. Chirwa
doaj   +1 more source

Biosurfactant Production From Waste Frying Oil: Process Optimization and Physicochemical Characterization of Surface Properties

Journal of Surfactants and Detergents, EarlyView.
ABSTRACT This study focuses on the development of a cost‐effective bioprocess for biosurfactant production, encompassing process optimization and physicochemical characterization. Surface tension reduction and oil dispersion activity were evaluated, highlighting its strong potential for applications in food, pharmaceuticals, and bioremediation. In this
Nihed Tellili, Emna Moujehed, Slim Cherif, Inès Mnif   +3 more
wiley   +1 more source

Influence of Calcium Ions on Rhamnolipid and Rhamnolipid/Anionic Surfactant Adsorption and Self-Assembly

Langmuir, 2013
The impact of Ca(2+) counterions on the adsorption at the air-water interface and self-assembly in aqueous solution of the rhamnolipid biosurfactant and its mixture with the anionic surfactant sodium dodecylbenzenesulfonate, LAS, has been studied using neutron reflectometry and small-angle neutron scattering. The results illustrate how rhamnolipids are
Chen, M., Dong, C., Penfold, J., Thomas, R., Smyth, T., Perfumo, A., Marchant, R., Banat, I., Stevenson, P., Parry, A., Tucker, I., Grillo, I.   +11 more
openaire   +4 more sources

Biosurfactant production by Pseudomonas aeruginosa isolated from mining waste: From genomic analysis to development of a polymeric composite for removal of hexavalent chromium

Polymer International, EarlyView.
Biosurfactant was produced by Pseudomonas aeruginosa using andiroba waste from Amazonia. A biosurfactant–alginate composite (Alg/BioS) was successfully synthesized via ionotropic gelation, and achieved up to 70% Cr6+ removal from water. Abstract Environmental contamination by heavy metals represents a significant challenge due to their persistence in ...
Paulo Diniz Austriaco, Emilly Cruz da Silva, Glenda Sores Gomes, Joane Almeida Alves, Amanda Vidal, Leandro Argolo, Rafaela Ribeiro, Luciana Souza, José Augusto Pires Bitencourt, Leonardo Brasil Felipe, Leonie Asfora Sarubbo, Sidnei Cerqueira dos Santos   +11 more
wiley   +1 more source