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Título: | A Facile and Green Microwave-Assisted Strategy to Induce Surface Properties on Complex-Shape Polymeric 3D Printed Structures |
Autor: | Gonzalez, G.; Arévalo, María; Chiappone, A.; Martínez Campos, Enrique; Pirri, C. F.; Roppolo, I.; Bosch, Paula CSIC ORCID | Palabras clave: | 3D printing antimicrobial materials microwave-assisted reactions simultaneous functionalization surface functionalization |
Fecha de publicación: | 2023 | Editor: | John Wiley & Sons | Citación: | Macromolecular Materials and Engineering 308 (2023) | Resumen: | Light- induced polymeric 3D printing is becoming a well-established fabrication method, showing manifold advantages such as control of the local chemistry of the manufactured devices. It can be considered a green technology, since the parts are produced when needed and with minimum amount of materials. In this work 3D printing is combined with another green technology, microwave-assisted reaction, to fabricate objects of complex geometry with controllable surface properties, exploiting the presence of remaining functional groups on the surface of 3D printed specimens. In this context, surface functionalization with different amines is studied, optimizing formulations, reaction times, and avoiding surface deterioration. Then, two different applications are investigated. MW-functionalized filter-type structures have been tested against Staphylococcus aureus bacteria, showing high bactericidal activity on the surface along all areas of the complex-shaped structure. Second, a fluidic chip composed of three separated channels is 3D printed, filled with different amine-reactive dyes (dansyl and eosine derivatives), and made to react simultaneously. Complete and independent functionalization of the surface of the three channels is achieved only after 2 min of irradiation. This study demonstrates that light induced 3D printing and microwave-induced chemistry can be used together effectively, and used to produce functional devices. | Versión del editor: | http://dx.doi.org/10.1002/mame.202300118 | URI: | http://hdl.handle.net/10261/341914 | DOI: | 10.1002/mame.202300118 | Identificadores: | doi: 10.1002/mame.202300118 issn: 1439-2054 |
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