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Electrical pumping of potassium ions against an external concentration gradient in a biological ion channel

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Electrical pumping of potassium ions against an external concentration gradient in a biological ion channel

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Queralt-Martín, M.; García Giménez, E.; Aguilella, V.; Ramirez Hoyos, P.; Mafé, S.; Alcaraz González, A. (2013). Electrical pumping of potassium ions against an external concentration gradient in a biological ion channel. Applied Physics Letters. 103:43707-43711. https://doi.org/10.1063/1.4816748

Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/38330

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Título: Electrical pumping of potassium ions against an external concentration gradient in a biological ion channel
Autor: Queralt-Martín, María García Giménez, Elena Aguilella, Vicente-Manuel Ramirez Hoyos, Patricio Mafé, Salvador Alcaraz González, Antonio
Entidad UPV: Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada
Fecha difusión:
Resumen:
We show experimentally and theoretically that significant currents can be obtained with a biological ion channel, the OmpF porin of Escherichia coli, using zero-average potentials as driving forces. The channel rectifying ...[+]
Palabras clave: RATCHET , NANOFLUIDIC DIODE , SELECTIVITY , RECTIFICATION , NANOPORES , PORIN , OMPF , VOLTAGE
Derechos de uso: Reconocimiento (by)
Fuente:
Applied Physics Letters. (issn: 0003-6951 )
DOI: 10.1063/1.4816748
Editorial:
American Institute of Physics (AIP)
Versión del editor: http://dx.doi.org/10.1063/1.4816748
Código del Proyecto:
info:eu-repo/grantAgreement/GVA//PROMETEO%2F2012%2F069/ES/COOPERATIVIDAD Y VARIABILIDAD EN NANOESTRUCTURAS/
info:eu-repo/grantAgreement/MICINN//FIS2010-19810/ES/BIOFISICA MOLECULAR DE CANALES IONICOS CON INTERFASES CARGADAS: MEDIDAS ELECTROFISIOLOGICAS Y MODELIZACION MOLECULAR/
info:eu-repo/grantAgreement/UJI//P1·1B2012-03/
Agradecimientos:
The authors acknowledge Marcel Aguilella-Arzo and Vicente Gomez for assistance in the preparation of the artwork. Financial support from the Generalitat Valenciana (Project PROMETEO/GV/0069), the Ministry of Economy and ...[+]
Tipo: Artículo

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