- -

Sensing properties of silica nanoparticles functionalized with anion binding sites and sulforhodamine B asfluorogenic signalling unit

RiuNet: Institutional repository of the Polithecnic University of Valencia

Share/Send to

Cited by

Statistics

Sensing properties of silica nanoparticles functionalized with anion binding sites and sulforhodamine B asfluorogenic signalling unit

Show simple item record

Files in this item

dc.contributor.author Candel Busquets, Inmaculada es_ES
dc.contributor.author Calero Rodríguez, María del Pilar es_ES
dc.contributor.author Martínez Mañez, Ramón es_ES
dc.contributor.author Sancenón Galarza, Félix es_ES
dc.contributor.author Marcos Martínez, María Dolores es_ES
dc.contributor.author Pardo Vicente, María Teresa es_ES
dc.contributor.author Soto Camino, Juan es_ES
dc.date.accessioned 2014-09-26T13:27:03Z
dc.date.available 2014-09-26T13:27:03Z
dc.date.issued 2012-02-15
dc.identifier.issn 0020-1693
dc.identifier.uri http://hdl.handle.net/10251/40323
dc.description.abstract Bi-functionalized hybrid silica nanoparticles have been synthesized, characterized and their optical emission properties in the presence of certain anions studied. The hybrid solid S1, coated with sulforhodamine B as fluorogenic signalling unit and imidazolium groups as anion coordination sites, was prepared by the simultaneous grafting of suitable derivatives of these two subunits on silica nanoparticles. For the preparation of the sensing material S2, first the surface of silica nanoparticles was grafted with (3-aminopropyl)trimethoxysilane yielding solid SN. Then, in a second step, the amino groups on the surface were transformed into the corresponding guanidinium binding sites by reaction with pyrazole carboxamidine yielding solid SG. Finally, the grafting of the sulforhodamine B derivative 1 on SG resulted in the hybrid nanoparticles S2. Acetonitrile suspensions of S1 and S2 showed typical sulforhodamine B absorption bands at ca. 550 nm. Upon excitation, an emission band at 575 nm was observed. Signalling properties of S1 and S2, in acetonitrile and acetonitrile:water 9:1 v/v mixtures, in the presence of organic (acetate, benzoate) and inorganic (F−, Cl−, Br−, CN−, NO3−, HSO4− and H2PO4−) anions were studied. S1 showed a fluorogenic response toward iodide and benzoate, whereas S2 selectively responds to dihydrogen phosphate and hydrogen sulfate. es_ES
dc.description.sponsorship Financial support from the Spanish Government (Project MAT2009-14564-C04-01) and the Generalitat Valenciana (Project PROMETEO/2009/016) is gratefully acknowledged. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation info:eu-repo/grantAgreement/MICINN//MAT2009-14564-C04-01/ES/Nanomateriales Hibridos Para El Desarrollo De "Puertas Moleculares" De Aplicacion En Procesos De Reconocimiento Y Terapeutica Y Para La Deteccion De Explosivos./ es_ES
dc.relation info:eu-repo/grantAgreement/Generalitat Valenciana//PROMETEO09%2F2009%2F016/ES/Ayuda prometeo 2009 para el grupo de diseño y desarrollo de sensores/ es_ES
dc.relation.ispartof Inorganica Chimica Acta es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Anions es_ES
dc.subject Fluorescence es_ES
dc.subject Molecular recognition es_ES
dc.subject Silica nanoparticles es_ES
dc.subject.classification INGENIERIA DE LA CONSTRUCCION es_ES
dc.subject.classification QUIMICA INORGANICA es_ES
dc.subject.classification QUIMICA ORGANICA es_ES
dc.title Sensing properties of silica nanoparticles functionalized with anion binding sites and sulforhodamine B asfluorogenic signalling unit es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.ica.2011.10.042
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química 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 Candel Busquets, I.; Calero Rodríguez, MDP.; Martínez Mañez, R.; Sancenón Galarza, F.; Marcos Martínez, MD.; Pardo Vicente, MT.; Soto Camino, J. (2012). Sensing properties of silica nanoparticles functionalized with anion binding sites and sulforhodamine B asfluorogenic signalling unit. Inorganica Chimica Acta. 381:188-194. https://doi.org/10.1016/j.ica.2011.10.042 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.ica.2011.10.042 es_ES
dc.description.upvformatpinicio 188 es_ES
dc.description.upvformatpfin 194 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 381 es_ES
dc.relation.senia 212643
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES


This item appears in the following Collection(s)

Show simple item record