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dc.contributor.author | Beltrán-Osuna, A.A. | es_ES |
dc.contributor.author | Ródenas Rochina, Joaquín | es_ES |
dc.contributor.author | Gómez Ribelles, José Luís | es_ES |
dc.contributor.author | Perilla-Perilla, Jairo Ernesto | es_ES |
dc.date.accessioned | 2020-11-28T04:32:14Z | |
dc.date.available | 2020-11-28T04:32:14Z | |
dc.date.issued | 2019-03 | es_ES |
dc.identifier.issn | 1042-7147 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/156025 | |
dc.description.abstract | [EN] Mesoporous silica nanoparticles (MSNs) are one of the most promising nanocarriers in biomedicine. Nonetheless, surface modification has been pointed out as a condition necessary for drug delivery applications, where stability and biocompatibility are extremely important for the vehicle performance. Likewise, zwitterionic polymers are outstanding candidates in biological fields, where poly(sulfobetaine methacrylate) (pSBMA) has been widely studied. These polymers, known as antifouling materials, are able to render a surface capacity to avoid protein adhesion. In this work, a core-shell nanocarrier was created, where pSBMA was covalently grafted by atom transfer radical polymerization (ATRP) onto a previously functionalized MSN surface. Brush morphologies with different chain lengths (M over bar n, between 6500 and 32 300) and graft densities (sigma(pSBMA), between 0.15 and 0.51 molecules of pSBMA per nm(2) of MSN) were obtained. Protein adhesion resistance was evaluated with two proteins: fibronectin (FN) and bovine serum albumin (BSA). The best nanocarrier synthesized allowed a reduction of 96% of FN and 76% of BSA adhesion (compared with an adsorption of 100% assigned to the native material). Since the influence of the brush morphology is seldom studied or reported, this work aims to comprehend how the configuration of the polymer brushes affected their antifouling capacity, in order to use this pSBMA-MSN product for biomedical applications, notably as a possible drug delivery nanocarrier. Future work will analyze the solution behavior of the zwitterionic brushes to evaluate variations of temperature and pH values as possible mechanisms of delivery. | es_ES |
dc.description.sponsorship | José L. Gómez Ribelles acknowledges the support of the Ministerio de Economía y Competitividad, MINECO (research number MAT2016-76039-C4-1-R). CIBER-BBN is an initiative funded by the VI National R&D&i Plan 2008-2011, Iniciativa Ingenio 2010, Consolider Program, CIBER Actions and financed by the Instituto de Salud Carlos III with assistance from the European Regional Development Fund. This work was also supported by COLCIENCIAS (Departamento Administrativo de Ciencia Tecnología e Innovación, Convocatoria 567 Doctorados Nacionales) and Universidad Nacional de Colombia (grant number DIB 201010021438). The authors acknowledge the assistance from the Microscopy Service at the Universitat Politècnica de València where all micrographs were taken. | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | John Wiley & Sons | es_ES |
dc.relation.ispartof | Polymers for Advanced Technologies | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Antifouling | es_ES |
dc.subject | ATRP | es_ES |
dc.subject | Drug carrier | es_ES |
dc.subject | MSN | es_ES |
dc.subject | Sulfobetaine methacrylate | es_ES |
dc.subject | Zwitterionic | es_ES |
dc.subject.classification | INGENIERIA QUIMICA | es_ES |
dc.subject.classification | MAQUINAS Y MOTORES TERMICOS | es_ES |
dc.title | Antifouling zwitterionic pSBMA-MSN particles for biomedical applications | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1002/pat.4505 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//MAT2016-76039-C4-1-R/ES/BIOMATERIALES PIEZOELECTRICOS PARA LA DIFERENCIACION CELULAR EN INTERFASES CELULA-MATERIAL ELECTRICAMENTE ACTIVAS/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/UNAL//DIB 201010021438/ | es_ES |
dc.rights.accessRights | Cerrado | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada | es_ES |
dc.description.bibliographicCitation | Beltrán-Osuna, A.; Ródenas Rochina, J.; Gómez Ribelles, JL.; Perilla-Perilla, JE. (2019). Antifouling zwitterionic pSBMA-MSN particles for biomedical applications. Polymers for Advanced Technologies. 30(3):688-697. https://doi.org/10.1002/pat.4505 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1002/pat.4505 | es_ES |
dc.description.upvformatpinicio | 688 | es_ES |
dc.description.upvformatpfin | 697 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 30 | es_ES |
dc.description.issue | 3 | es_ES |
dc.relation.pasarela | S\404026 | es_ES |
dc.contributor.funder | Instituto de Salud Carlos III | es_ES |
dc.contributor.funder | Universidad Nacional de Colombia | es_ES |
dc.contributor.funder | European Regional Development Fund | es_ES |
dc.contributor.funder | Ministerio de Ciencia e Innovación | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad | es_ES |
dc.contributor.funder | Departamento Administrativo de Ciencia, Tecnología e Innovación, Colombia | es_ES |
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