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Self-Assembling in Mixtures of Sodium Caseinate and Dodecylammonium Chloride Aqueous Solutions (CROSBI ID 612286)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Vinceković, Marko ; Jurašin, Darija ; Ćurlin, Marija ; Bujan, Marija ; Filipović-Vinceković, Nada Self-Assembling in Mixtures of Sodium Caseinate and Dodecylammonium Chloride Aqueous Solutions // Book of Abstracts / Marques, E. F. ; Valente, A. J. M. ; Goncalves, J. M (ur.). Coimbra: Tipografia Lousanense, 2014. str. 412-412

Podaci o odgovornosti

Vinceković, Marko ; Jurašin, Darija ; Ćurlin, Marija ; Bujan, Marija ; Filipović-Vinceković, Nada

engleski

Self-Assembling in Mixtures of Sodium Caseinate and Dodecylammonium Chloride Aqueous Solutions

Influence of the model cationic surfactant, dodecylammonium chloride (DDACl), on the self-assembly of sodium caseinate (SC) has been investigated by light scattering, zeta potential and rheological measurements as well as by light and confocal laser scanning microscopy. In the absence of DDACl, SC self-assembly proceeds through the formation of submicelles and their aggregation into micelles. DDACl interacts with SC supramolecules via its hydrophilic and hydrophobic groups, inducing changes in their structure, that is depending on DDACl concentration various complexes are formed. DDACl monomers interact with SC in a different way compared to their micelles. Surfactant monomers form soluble complexes (similar to surfactant mixed micelles) at lower while insoluble gelatinous complexes at higher SC concentration. At surfactant micellar concentration soluble complexes with casein chains wrapped around surfactant micelles are formed. The rheological properties were studied in systems with monomer or micellar DDACl and varying SC concentration. The shear stress-shear rate plot showed Newtonian behaviour in all the studied systems, however, the viscosity enhancement strongly depends on the complex interplay between the size and charge as well as the structure of formed complexes.

self-assembling; sodium caseinate; cationic surfactant

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Podaci o prilogu

412-412.

2014.

objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts

Marques, E. F. ; Valente, A. J. M. ; Goncalves, J. M

Coimbra: Tipografia Lousanense

978-972-99512-3-7

Podaci o skupu

20th International Symposium on Surfactants in Solution

poster

22.06.2014-27.06.2014

Coimbra, Portugal

Povezanost rada

Kemija, Poljoprivreda (agronomija)