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2022-11-21
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info:eu-repo/semantics/openAccess
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Wiley
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31 citas en 
Resumen
“Soft” robotics based on hydrogels appears as an alternative to the traditional technology of “hard” robotics. Soft microrobots are employed for drug delivery and cell manipulation. This work develops magnetic hydrogel-based microrobots using chitosan (CHI) as the body of the micromotor and Fe3O4 nanoparticles to allow for its magnetic actuation. In addition, ZnO nanoparticles are incorporated inside the CHI body of the microrobot to act as an active component for pollutants photodegradation. CHI@Fe3O4-ZnO microrobots are used for the efficient photodegradation of persistent organic pollutants (POPs). The high absorption of CHI hydrogel enhances the POP photodegradation, degrading it 75% in just 30 min. The adsorption-degradation and magnetic properties of CHI@Fe3O4-ZnO microrobots are used in five cycles while maintaining up to 60% photodegradation efficiency. The proof-of-concept present in this work represents a simple way to obtain soft microrobots with magnetic actuation and photodegradation functionalities for several water purification applications.
Descripción
The registered version of this article, first published in “Small Methods, 7 (1), 2023, 2201014", is available online at the publisher's website: https://doi.org/10.1002/smtd.202201014
La versión registrada de este artículo, publicado por primera vez en “Small Methods, 7 (1), 2023, 2201014", está disponible en línea en el sitio web del editor: https://doi.org/10.1002/smtd.202201014
La versión registrada de este artículo, publicado por primera vez en “Small Methods, 7 (1), 2023, 2201014", está disponible en línea en el sitio web del editor: https://doi.org/10.1002/smtd.202201014
Categorías UNESCO
Palabras clave
chitosan, hydrogel, magnetic-driven microrobots, nano/micromotors, soft robotics
Citación
Roberto Maria‐Hormigos, Carmen C. Mayorga‐Martinez, Martin Pumera. Soft magnetic microrobots for photoactive pollutant removal. Small Methods, 7 (1), 2023, 2201014
Centro
Facultad de Ciencias
Departamento
Ciencias Analíticas