Pattern Formation upon Evaporation of Sessile Droplets of Polyelectrolyte/Surfactant Mixtures on Silicon Wafers

Autor: Lionel Perrin, Andrew Akanno, Eduardo Guzman, Francisco Ortega, Ramon G. Rubio

Publikováno v: International Journal of Molecular Sciences, Vol 22, Iss 15, p 7953 (2021)

The formation of coffee-ring deposits upon evaporation of sessile droplets containing mixtures of poly(diallyldimethylammonium chloride) (PDADMAC) and two different anionic surfactants were studied. This process is driven by the Marangoni stresses re

Externí odkaz: https://doaj.org/article/a5f3759ff3604611a7f60b40e6abc0ae

Deposition of Synthetic and Bio-Based Polycations onto Negatively Charged Solid Surfaces: Effect of the Polymer Cationicity, Ionic Strength, and the Addition of an Anionic Surfactant

Autor: María Hernández-Rivas, Eduardo Guzmán, Laura Fernández-Peña, Andrew Akanno, Andrew Greaves, Fabien Léonforte, Francisco Ortega, Ramón G. Rubio, Gustavo S. Luengo

Publikováno v: Colloids and Interfaces, Vol 4, Iss 3, p 33 (2020)

The deposition of layers of different polycations (synthetic or derived from natural, renewable resources) onto oppositely charged surfaces has been studied using ellipsometry and quartz crystal microbalance with dissipation monitoring (QCM-D). Infor

Externí odkaz: https://doaj.org/article/b9ea853505a94afca8bc1efeec92292a

Pattern Formation upon Evaporation of Sessile Droplets of Polyelectrolyte/Surfactant Mixtures on Silicon Wafers

Autor: Eduardo Guzmán, Francisco Ortega, Ramón G. Rubio, Andrew Akanno, Lionel Perrin

Publikováno v: International Journal of Molecular Sciences
International Journal of Molecular Sciences, MDPI, 2021, 22 (15), pp.7953. ⟨10.3390/ijms22157953⟩
Volume 22
Issue 15
International Journal of Molecular Sciences, Vol 22, Iss 7953, p 7953 (2021)

International audience; The formation of coffee-ring deposits upon evaporation of sessile droplets containing mixtures of poly(diallyldimethylammonium chloride) (PDADMAC) and two different anionic surfactants were studied. This process is driven by t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::340c1b2b2ca0a8a8846a86d183355e7c

Surfactant-Like Behavior for the Adsorption of Mixtures of a Polycation and Two Different Zwitterionic Surfactants at the Water/Vapor Interface

Autor: Eduardo Guzmán, Ramón G. Rubio, Francisco Ortega, Laura Fernández-Peña, Andrew Akanno

Publikováno v: Molecules, Vol 24, Iss 19, p 3442 (2019)
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
Molecules
Volume 24
Issue 19

The bulk and interfacial properties of solutions formed by a polycation (i.e., poly(diallyl-dimethylammonium chloride), PDADMAC) and two different zwitterionic surfactants (i.e., coco-betaine (CB) and cocoamidopropyl-betaine (CAPB)) have been studied

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d4fb2011e304d6db5897fd24925f02e
https://eprints.ucm.es/id/eprint/66544/

Equilibration of a Polycation-Anionic Surfactant Mixture at the Water/Vapor Interface

Autor: Andrew Akanno, Eduardo Guzmán, Francisco Ortega, Ramón G. Rubio, Sara Llamas, Laura Fernández-Peña

Publikováno v: Langmuir : the ACS journal of surfaces and colloids. 34(25)

The adsorption of concentrated poly(diallyldimethylammonium chloride) (PDADMAC)-sodium lauryl ether sulfate (SLES) mixtures at the water/vapor interface has been studied by different surface tension techniques and dilational viscoelasticity measureme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78ece8b492b3baaf537a15d44952ad68
https://pubmed.ncbi.nlm.nih.gov/29856927