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Energy transduction and signal averaging of fluctuating electric fields by a single protein ion channel
dc.contributor.author | Verdiá Báguena, Carmen | |
dc.contributor.author | Gómez, V. | |
dc.contributor.author | Cervera, Javier | |
dc.contributor.author | Ramírez, Patricio | |
dc.contributor.author | Mafe, Salvador | |
dc.date.accessioned | 2018-04-30T10:18:37Z | |
dc.date.available | 2018-04-30T10:18:37Z | |
dc.date.issued | 2017 | |
dc.identifier.citation | Phys. Chem. Chem. Phys., 2017, 19, 292 | ca_CA |
dc.identifier.issn | 1463-9076 | |
dc.identifier.issn | 1463-9084 | |
dc.identifier.uri | http://hdl.handle.net/10234/174406 | |
dc.description.abstract | We demonstrate the electrical rectification and signal averaging of fluctuating signals using a biological nanostructure in aqueous solution: a single protein ion channel inserted in the lipid bilayer characteristic of cell membranes. The conversion of oscillating, zero time-average potentials into directional currents permits charging of a load capacitor to significant steady-state voltages within a few minutes in the case of the outer membrane porin F (OmpF) protein, a bacterial channel of Escherichia coli. The experiments and simulations show signal averaging effects at a more fundamental level than the traditional cell and tissue scales, which are characterized by ensembles of many ion channels operating simultaneously. The results also suggest signal transduction schemes with bio-electronic interfaces and ionic circuits where soft matter nanodiodes can be coupled to conventional electronic elements. | ca_CA |
dc.format.extent | 5 p. | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Royal Society of Chemistry | ca_CA |
dc.relation.isPartOf | Phys. Chem. Chem. Phys., 2017, 19 | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.title | Energy transduction and signal averaging of fluctuating electric fields by a single protein ion channel | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1039/c6cp06035h | |
dc.relation.projectID | MAT2015- 65011-P ; Prometeo/GV/ 0069 | ca_CA |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | http://pubs.rsc.org/en/content/articlelanding/2017/cp/c6cp06035h#!divAbstract | ca_CA |
dc.type.version | info:eu-repo/semantics/acceptedVersion |
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