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Fecha
2022-12-30
Derechos de acceso
info:eu-repo/semantics/openAccess
Título de la revista
ISSN de la revista
Título del volumen
Editorial
Wiley
Citas
Resumen
The cost of insect pests to human society exceeds USD70 billion per year worldwide in goods, livestock, and healthcare services. Therefore, pesticides are needed to prevent insect damage despite the secondary effects of these chemical agents on non-target organisms. Chemicals encapsulation into carriers is a promising strategy to improve their specificity. Hydrogel-based microrobots show enormous potential as chemical carriers. Herein, hydrogel chitosan magnetic microrobots encapsulating ethyl parathion (EP)-CHI@Fe3O4 are used to efficiently kill mealworm larvae (Tenebrio molitor). The mechanism takes advantage of pH-responsive chitosan degradation at Tenebrio molitor midgut pH to efficiently deliver pesticide into the mealworm intestinal tract in just 2 h. It is observed that under a transversal rotating magnetic field, mealworm populations show higher mortality after 30 min compared to free pesticide. This example of active pesticide carriers based on soft microrobots opens new avenues for microrobots applications in the agrochemical field as active chemical carriers.
Descripción
The registered version of this article, first published in “Small, 19 (51), 2023, 2204887", is available online at the publisher's website: https://doi.org/10.1002/smll.202204887
La versión registrada de este artículo, publicado por primera vez en “Small, 19 (51), 2023, 2204887", está disponible en línea en el sitio web del editor: https://doi.org/10.1002/smll.202204887
La versión registrada de este artículo, publicado por primera vez en “Small, 19 (51), 2023, 2204887", está disponible en línea en el sitio web del editor: https://doi.org/10.1002/smll.202204887
Categorías UNESCO
Palabras clave
chemicals delivery, hydrogel, magnetic-driven, nano/microrobots, pesticides
Citación
Roberto Maria‐Hormigos, Carmen C. Mayorga‐Martinez, Martin Pumera. Magnetic hydrogel microrobots as insecticide carriers for in vivo insect pest control in plants. Small, 19 (51), 2023, 2204887
Centro
Facultad de Ciencias
Departamento
Ciencias Analíticas