Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/278942
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | From radial to unidirectional water pumping in zeta-potential modulated Nafion nanostructures |
Autor: | Esplandiú, María J. CSIC ORCID; Reguera, David; Romero-Guzmán, D.; Gallardo-Moreno, A. M.; Fraxedas, J. CSIC ORCID | Palabras clave: | Fluidics Fluids Polymers Surface pattering |
Fecha de publicación: | 19-may-2022 | Editor: | Nature Publishing Group | Citación: | Nature Communications 13: 2812 (2022) | Resumen: | Chemically propelled micropumps are promising wireless systems to autonomously drive fluid flows for many applications. However, many of these systems are activated by nocuous chemical fuels, cannot operate at high salt concentrations, or have difficulty for controlling flow directionality. In this work we report on a self-driven polymer micropump fueled by salt which can trigger both radial and unidirectional fluid flows. The micropump is based on the cation-exchanger Nafion, which produces chemical gradients and local electric fields capable to trigger interfacial electroosmotic flows. Unidirectional pumping is predicted by simulations and achieved experimentally by nanostructuring Nafion into microarrays with a fine tune modulation of surrounding surface zeta potentials. Nafion micropumps work in a wide range of salt concentrations, are reusable, and can be fueled by different salt cations. We demonstrate that they work with the common water-contaminant cadmium, using the own capture of this ion as fuel to drive fluid pumping. Thus, this system has potential for efficient and fast water purification strategies for environmental remediation. Unidirectional Nafion pumps also hold promise for effective analyte delivery or preconcentration for (bio)sensing assays. | Versión del editor: | http://doi.org/10.1038/s41467-022-30554-7 | URI: | http://hdl.handle.net/10261/278942 | DOI: | 10.1038/s41467-022-30554-7 | Identificadores: | doi: 10.1038/s41467-022-30554-7 issn: 2041-1723 |
Aparece en las colecciones: | (CIN2) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
From_radial_to_unidirectional_water.pdf | 1,76 MB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
11
checked on 12-abr-2024
WEB OF SCIENCETM
Citations
10
checked on 22-feb-2024
Page view(s)
36
checked on 19-abr-2024
Download(s)
24
checked on 19-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
Este item está licenciado bajo una Licencia Creative Commons