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http://hdl.handle.net/10261/278942
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dc.contributor.author | Esplandiú, María J. | - |
dc.contributor.author | Reguera, David | - |
dc.contributor.author | Romero-Guzmán, D. | - |
dc.contributor.author | Gallardo-Moreno, A. M. | - |
dc.contributor.author | Fraxedas, J. | - |
dc.date.accessioned | 2022-09-12T11:50:03Z | - |
dc.date.available | 2022-09-12T11:50:03Z | - |
dc.date.issued | 2022-05-19 | - |
dc.identifier | doi: 10.1038/s41467-022-30554-7 | - |
dc.identifier | issn: 2041-1723 | - |
dc.identifier.citation | Nature Communications 13: 2812 (2022) | - |
dc.identifier.uri | http://hdl.handle.net/10261/278942 | - |
dc.description.abstract | 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. | - |
dc.description.sponsorship | This research was supported by the Spanish Ministry of Economy and Competitiveness (MINECO) under Contract No. FIS2015-67837, and PGC2018-095032-B-100. Thanks also to project RTI2018-096862-B-I00, supported by MCIN/ AEI /10.13039/501100011033/ FEDER “Una manera de hacer Europa” and to grants TE-0033-19, GR21119, and IB20092 by the Junta de Extremadura- FEDER (European Regional Development Fund). The ICN2 is funded by the CERCA program/Generalitat de Catalunya. The ICN2 is supported by the Severo Ochoa program of MINECO (Grant SEV-2017-0706). We also acknowledge the scientific exchange and support of the Center for Molecular Water Science (CMWS). | - |
dc.language | eng | - |
dc.publisher | Nature Publishing Group | - |
dc.relation | info:eu-repo/grantAgreement/MINECO//PGC2018-095032-B-100 | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-096862-B-I00/ES/RESPUESTA DE LAS PROPIEDADES ADHESIVAS DE PATOGENOS A LA LIBERACION CONTROLADA DE COMPUESTOS ACTIVOS NATURALES/ | - |
dc.relation.isversionof | Publisher's version | - |
dc.relation.isbasedon | The underlying dataset has been published as supplementary material of the article in the publisher platform at 10.1038/s41467-022-30554-7 | - |
dc.rights | openAccess | - |
dc.subject | Fluidics | - |
dc.subject | Fluids | - |
dc.subject | Polymers | - |
dc.subject | Surface pattering | - |
dc.title | From radial to unidirectional water pumping in zeta-potential modulated Nafion nanostructures | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1038/s41467-022-30554-7 | - |
dc.relation.publisherversion | http://doi.org/10.1038/s41467-022-30554-7 | - |
dc.date.updated | 2022-09-12T11:50:03Z | - |
dc.rights.license | https://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Generalitat de Catalunya | - |
dc.contributor.funder | Ministerio de Ciencia e Innovación (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002809 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100004837 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
Aparece en las colecciones: | (CIN2) Artículos |
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From_radial_to_unidirectional_water.pdf | 1,76 MB | Adobe PDF | Visualizar/Abrir |
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