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Self-Assembly of Janus Au:Fe3O4 Branched Nanoparticles. From Organized Clusters to Stimuli-Responsive Nanogel Suprastructures
dc.contributor.author | Reguera Gómez, Javier | |
dc.contributor.author | Flora, Tatjana | |
dc.contributor.author | Winckelmans, Naomi | |
dc.contributor.author | Rodríguez Cabello, José C. | |
dc.contributor.author | Bals, Sara | |
dc.date.accessioned | 2021-06-21T08:22:24Z | |
dc.date.available | 2021-06-21T08:22:24Z | |
dc.date.issued | 2020-06-01 | |
dc.identifier.citation | Nanoscale Advances 2(6) : 2525-2530 (2021) | es_ES |
dc.identifier.issn | 2516-0230 | |
dc.identifier.uri | http://hdl.handle.net/10810/51954 | |
dc.description.abstract | Janus nanoparticles offer enormous possibilities through a binary selective functionalization and dual properties. Their self-assembly has attracted strong interest due to their potential as building blocks to obtain molecular colloids, supracrystals and well-organized nanostructures that can lead to new functionalities. However, this self-assembly has been focused on relatively simple symmetrical morphologies, while for complex nanostructures this process has been unexplored. Here, we study the assembly of plasmonic-magnetic Janus nanoparticles with a branched (nanostar) - sphere morphology. The branched morphology enhances their plasmonic properties in the near-infrared region and therefore their applicability, but at the same time constrains their self-assembly capabilities to obtain more organized or functional suprastructures. We describe the self-assembly of these nanoparticles after amphiphilic functionalization. The role of the nanoparticle branching, as well as the size of the polymer-coating, is explored. We show how the use of large molecular weight stabilizing polymers can overcome the anisotropy of the nanoparticles producing a change in the morphology from small clusters to larger quasi-cylindrical nanostructures. Finally, the Janus nanoparticles are functionalized with a thermo-responsive elastin-like recombinamer. These nanoparticles undergo reversible self-assembly in the presence of free polymer giving rise to nanoparticle-stabilized nanogel-like structures with controlled size, providing the possibility to expand their applicability to multi-stimuli controlled self-assembly. | es_ES |
dc.description.sponsorship | J. R. acknowledges the.nancial support of Basque Country Elkartek-KK-2019/00101. T. F. and J. C. R-C acknowledge the funding from the European Commission (NMP-2014-646075), the Spanish Government (PCIN-2015-010 (FunBioPlas), MAT2016-78903-R), Junta de Castilla y Leon (VA317P18) and Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y Leon. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Royal Society Of Chemistry | es_ES |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/646075 | es_ES |
dc.relation | info:eu-repo/grantAgreement/MICINN/PCIN-2015-010 | es_ES |
dc.relation | info:eu-repo/grantAgreement/MICINN/MAT2016-78903-R | es_ES |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by-nc/3.0/es/ | * |
dc.subject | inverse temperature transition | es_ES |
dc.subject | particles | es_ES |
dc.subject | emulsions | es_ES |
dc.subject | catalysts | es_ES |
dc.subject | polymer | es_ES |
dc.subject | design | es_ES |
dc.title | Self-Assembly of Janus Au:Fe3O4 Branched Nanoparticles. From Organized Clusters to Stimuli-Responsive Nanogel Suprastructures | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.holder | This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY-NC 3.0) | es_ES |
dc.rights.holder | Atribución-NoComercial 3.0 España | * |
dc.relation.publisherversion | https://pubs.rsc.org/en/content/articlelanding/2020/na/d0na00102c#!divAbstract | es_ES |
dc.identifier.doi | 10.1039/d0na00102c | |
dc.contributor.funder | European Commission |