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dc.contributor.author | Ribes, Àngela | es_ES |
dc.contributor.author | Xifre Perez, Elisabet | es_ES |
dc.contributor.author | Aznar, Elena | es_ES |
dc.contributor.author | Sancenón Galarza, Félix | es_ES |
dc.contributor.author | Pardo Vicente, María Teresa | es_ES |
dc.contributor.author | Marsal, Lluis F. | es_ES |
dc.contributor.author | Martínez-Máñez, Ramón | es_ES |
dc.date.accessioned | 2017-09-28T12:00:30Z | |
dc.date.available | 2017-09-28T12:00:30Z | |
dc.date.issued | 2016-12-07 | |
dc.identifier.issn | 2045-2322 | |
dc.identifier.uri | http://hdl.handle.net/10251/88178 | |
dc.description.abstract | [EN] We present herein the use of nanoporous anodic alumina (NAA) as a suitable support to implement molecular gates for sensing applications. In our design, a NAA support is loaded with a fluorescent reporter (rhodamine B) and functionalized with a short single-stranded DNA. Then pores are blocked by the subsequent hybridisation of a specific cocaine aptamer. The response of the gated material was studied in aqueous solution. In a typical experiment, the support was immersed in hybridisation buffer solution in the absence or presence of cocaine. At certain times, the release of rhodamine B from pore voids was measured by fluorescence spectroscopy. The capped NAA support showed poor cargo delivery, but presence of cocaine in the solution selectively induced rhodamine B release. By this simple procedure a limit of detection as low as 5 × 10−7 M was calculated for cocaine. The gated NAA was successfully applied to detect cocaine in saliva samples and the possible re-use of the nanostructures was assessed. Based on these results, we believe that NAA could be a suitable support to prepare optical gated probes with a synergic combination of the favourable features of selected gated sensing systems and NAA. | es_ES |
dc.description.sponsorship | We thank Projects MAT2015-64139-C4-1-R and TEC2015-71324-R (MINECO/FEDER), the Catalan Government (Project 2014 SGR 1344), the ICREA (ICREA2014 Academia Award) and the Generalitat Valenciana (Project PROMETEOII/2014/047) for support. We also thank to the Agencia Espanola del Medicamento y Productos Sanitarios for its concessions. A.R. thanks the UPV for her predoctoral fellowship. The authors also thank the Electron Microscopy Service at UPV for support. | en_EN |
dc.language | Inglés | es_ES |
dc.publisher | Nature Publishing Group | es_ES |
dc.relation.ispartof | Scientific Reports | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | BIORESPONSIVE CONTROLLED-RELEASE | es_ES |
dc.subject | MESOPOROUS SILICA NANOPARTICLES | es_ES |
dc.subject | RESPONSIVE DRUG-DELIVERY | es_ES |
dc.subject | APTAMER-BASED SENSOR | es_ES |
dc.subject | ORAL FLUID | es_ES |
dc.subject | DNA | es_ES |
dc.subject | SYSTEMS | es_ES |
dc.subject | PLATFORM | es_ES |
dc.subject | SPECIFICITY | es_ES |
dc.subject | APTASENSOR | es_ES |
dc.subject | Electron Microscopy Service of the UPV | |
dc.subject.classification | QUIMICA INORGANICA | es_ES |
dc.subject.classification | QUIMICA ORGANICA | es_ES |
dc.subject.classification | QUIMICA ANALITICA | es_ES |
dc.title | Molecular gated nanoporous anodic alumina for the detection of cocaine | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1038/srep38649 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//MAT2015-64139-C4-1-R/ES/NANOMATERIALES INTELIGENTES, SONDAS Y DISPOSITIVOS PARA EL DESARROLLO INTEGRADO DE NUEVAS HERRAMIENTAS APLICADAS AL CAMPO BIOMEDICO/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/Generalitat de Catalunya//2014 SGR 1344/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/GVA//PROMETEOII%2F2014%2F047/ES/Nuevas aproximaciones para el diseño de materiales de liberación controlada y la detección de compuestos peligrosos/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//TEC2015-71324-R/ES/DESARROLLO DE CELULAS SOLARES ORGANICAS FOTOVOLTAICAS Y BIOSENSORES FOTONICOS BASADOS EN MICRO -NANOESTRUCTURAS POROSAS Y POLIMEROS NANOESTRUCTURADOS/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Escuela Técnica Superior de Ingenieros Industriales - Escola Tècnica Superior d'Enginyers Industrials | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Centro de Tecnologías Físicas: Acústica, Materiales y Astrofísica - Centre de Tecnologies Físiques: Acústica, Materials i Astrofísica | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería del Diseño - Escola Tècnica Superior d'Enginyeria del Disseny | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto de Reconocimiento Molecular y Desarrollo Tecnológico - Institut de Reconeixement Molecular i Desenvolupament Tecnològic | es_ES |
dc.description.bibliographicCitation | Ribes, À.; Xifre Perez, E.; Aznar, E.; Sancenón Galarza, F.; Pardo Vicente, MT.; Marsal, LF.; Martínez-Máñez, R. (2016). Molecular gated nanoporous anodic alumina for the detection of cocaine. Scientific Reports. 6. https://doi.org/10.1038/srep38649 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://doi.org/10.1038/srep38649 | es_ES |
dc.description.upvformatpinicio | 38649 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 6 | es_ES |
dc.relation.senia | 322618 | es_ES |
dc.identifier.pmid | 27924950 | |
dc.identifier.pmcid | PMC5141502 | en_EN |
dc.contributor.funder | Ministerio de Economía y Competitividad | |
dc.contributor.funder | Generalitat Valenciana | |
dc.contributor.funder | Generalitat de Catalunya | |
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