Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Hernán E. Ríos"'
Autor:
Hernán E. Ríos, Angel Leiva, Francisco P. Chávez, Mohammed Ahmar, Valeria Villalobos, Marcela D. Urzúa, Jorge Pavez, Jenny M. Blamey, Yves Queneau, Carlos P. Silva
Publikováno v:
ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2018, 10 (33), pp.28147-28158. ⟨10.1021/acsami.8b03605⟩
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2018, 10 (33), pp.28147-28158. ⟨10.1021/acsami.8b03605⟩
Inhibiting pathogenic bacterial adherence on surfaces is an ongoing challenge to prevent the development of biofilms. Multilayer polyelectrolyte films are feasible antibacterial materials. Here, we have designed new films made of carbohydrate polyele
Autor:
Javier González-Navarrete, Marcela D. Urzúa, Mehrdad Yazdani-Pedram, Hernán E. Ríos, Angel Leiva, María Inés Toral, Ximena Briones-Olarán
Publikováno v:
Reactive and Functional Polymers. 109:112-119
Adsorption of As (V) by poly ( N -octyl-4-vinylpyridinium) bromide (P4VPyC8), used as solid phase, was studied. Determination of As (V) was carried out by direct measurement of the fluorescence intensity on the solid phase. Adsorption variables were
Autor:
Hernán E. Ríos, Yves Queneau, Matías Leal, Andrónico Neira-Carrillo, Laura Tamayo, Jorge Pavez, Carlos P. Silva, Angel Leiva, Valeria Villalobos, Carlos M. Carrasco, Ximena Briones, Marcela D. Urzúa, Alejandro D. Roth
Publikováno v:
ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2019, 11 (22), pp.19751-19762. ⟨10.1021/acsami.9b02503⟩
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2019, 11 (22), pp.19751-19762. ⟨10.1021/acsami.9b02503⟩
International audience; Surfaces were prepared with polyelectrolyte derivatives of poly(styrene-alt-maleic anhydride) (PSMA) functionalized with amino acids of different hydropathy indices, with the aim of evaluating the effect of the chemical functi
Autor:
Marcela D. Urzúa, Ximena Briones, Rodrigo Muñoz, Jorge Pavez, Laura Tamayo, Maritza Páez, Yves Queneau, Caroline Silva Danna, Ricardo Cabrera, Hernán E. Ríos, Valeria Villalobos
Publikováno v:
Materials Science and Engineering: C
Materials Science and Engineering: C, 2019, 104, pp.109938. ⟨10.1016/j.msec.2019.109938⟩
Materials Science and Engineering: C, Elsevier, 2019, 104, pp.109938. ⟨10.1016/j.msec.2019.109938⟩
Materials Science and Engineering: C, 2019, 104, pp.109938. ⟨10.1016/j.msec.2019.109938⟩
Materials Science and Engineering: C, Elsevier, 2019, 104, pp.109938. ⟨10.1016/j.msec.2019.109938⟩
International audience; Surface based on polyelectrolytes functionalized with amino acids onto amino-terminated solid surfaces of silicon wafers was prepared, with the purpose of evaluate the chemical functionality of the polyelectrolyte films in ads
Publikováno v:
JOURNAL OF MACROMOLECULAR SCIENCE. PHYSICS
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
The association of phenols, such as p-cresol, tribromophenol, and trichlorophenol, with several amphipathic poly (n-alkylmethyldiallylammonium) chlorides in aqueous solution was studied by ultrafiltration. The n-alkyl residues were octyl, decyl, and
Publikováno v:
Journal of the Chilean Chemical Society v.61 n.4 2016
SciELO Chile
CONICYT Chile
instacron:CONICYT
Journal of the Chilean Chemical Society, Volume: 61, Issue: 4, Pages: 3287-3290, Published: DEC 2016
SciELO Chile
CONICYT Chile
instacron:CONICYT
Journal of the Chilean Chemical Society, Volume: 61, Issue: 4, Pages: 3287-3290, Published: DEC 2016
The intermolecular association of amphipathic polyelectrolytes is studied using fluorescence and conductivity methods. This type of interaction is evidenced by the decrease in the average distances between charges as the polyelectrolyte side chain in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f38ce7d79888dbf1d81f2209bf692445
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072016000400027
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072016000400027
Publikováno v:
European Polymer Journal. 45:730-737
The ability of solid N -alkyl quaternized poly(4-vinylpyridine) with hexyl, octyl and decyl bromide for the retention of chromate and dichromate forms of Cr(VI) in aqueous solutions is studied. The retention of Cr(VI) was investigated by batch equili
Publikováno v:
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
The effect of 1-decanol on the potentiometric response of three ion-selective electrodes to large cationic species is analyzed. The electrodes were constructed with plasticized PVC membranes. The results suggest that 1-decanol alters the ionic transp
Publikováno v:
Journal of Macromolecular Science, Part B. 45:335-342
The surface properties of poly(mono‐n‐alkylmaleate‐alt‐N‐vinyl‐2‐pyrrolidone) sodium salts derivatives with n=8, 10, 12, 16, and 18 carbon atoms in the side chain were analyzed. The surface tension behavior suggests that the adsorption
Autor:
Hernán E. Ríos, Marcela D. Urzúa
Publikováno v:
Polymer International. 52:783-789
The Du Nouy method has been employed to study the interfacial properties of poly(4-vinylpyridine) N-n-alkyl quaternized with hexyl, octyl and decyl bromide, at the chloroform/water interface. The interfacial tension is highly dependent on the hydroph