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Surfactant presence in a multilayer polyelectrolyte-enzyme system improves its catalytic response
(Elsevier Science Inc, 2009-05)
Self-assembling of poly(allylamine) containing an osmium polypyridil complex (PAOs) alternatively with sodium dodecyl sulfate (SDS) and glucose oxidase (GOx) generates a ternary multilayer system, (PAOs/SDS/PAOs/GOx)n. The ...
Thermodynamics of sodium dodecyl sulfate (SDS) micellization: An undergraduate laboratory experiment
(American Chemical Society, 2011-05)
An undergraduate laboratory experiment is presented that allows a thermodynamic characterization of micelle formation of sodium dodecyl sulfate (SDS) in aqueous solutions. The critical micelle concentration (CMC) and the ...
Digestive aspartic proteases from sábalo (Prochilodus lineatus): Characterization and application for collagen extraction
(Elsevier, 2018-12)
Acid proteases from sábalo stomach mucosa were recovered using salting-out procedure. This single step produced an enzyme extract purified 1.8-fold over the crude extract with a recovery of 45.1% of its initial proteolytic ...
Development and validation of a CD-MEKC system for the simultaneous determination of dihydrostreptomycin sulfate and two benzylpenicillin salts
(Taylor, 2015-05)
A CD-MEKC system using sodium dodecyl sulfate and sulfated-β-cyclodextrin to achieve the simultaneous separation of Penicillin G procaine, Penicillin G benzatine and dihydrostreptomycin sulfate in pharmaceutical and ...
Comparison of the Performance of Chitosan and a Cationic Polyacrylamide as Flocculants of Emulsion Systems
(Springer Heidelberg, 2001-01)
Food industries contribute significantly to the pollution of water streams. Oil in wasterwaters must be removed to prevent fouling of process equipment, to reduce interference with subsequent water-treatment units, and to ...
Structure and dynamics of nonionic surfactants adsorbed at vacuum/ionic liquid interfaces
(American Chemical Society, 2013-10)
Structural and dynamical properties related to the adsorption of nonionic surfactants at vacuum/ionic liquid interfaces were studied using molecular dynamics simulations. Specifically, the surface activity of pentaethylene ...
Hydrophobic interactions leading to a complex interplay between bioelectrocatalytic properties and multilayer meso-organization in layer-by-layer assemblies
(Royal Society of Chemistry, 2014-03)
The present study explores the development of mesostructured bioelectrochemical interfaces with accurate compositional and topological control of the supramolecular architecture through the layer-by-layer assembly of ternary ...
The role of emulsion parameters in tramadol sustained-release from electrospun mats
(Elsevier Science, 2019-02)
Tramadol is an analgesic usually prescribed for the management of pain, with a certain risk of addiction in chronic patients. The incorporation of tramadol in sustained-release systems results particularly attractive for ...