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Magnetic Hydrogel Microrobots as Insecticide Carriers for In Vivo Insect Pest Control in Plants

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dc.contributor.authorMaría Hormigos, Roberto
dc.contributor.authorMayorga-Martinez, Carmen C.
dc.contributor.authorPumera, Martin
dc.date.accessioned2025-12-19T10:50:49Z
dc.date.available2025-12-19T10:50:49Z
dc.date.issued2022-12-30
dc.descriptionThe 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
dc.descriptionLa 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
dc.description.abstractThe 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.es
dc.description.provenanceMade available in DSpace on 2025-12-19T10:50:49Z (GMT). No. of bitstreams: 1 Maria‐Hormigos_Roberto_Magnetic_Hydrogel_Micr_ROBERTO MARIA HORMIG.pdf: 1282659 bytes, checksum: 7aff01f8a0b42de2bb1a36c4f9d30bcc (MD5) Previous issue date: 2022-12-30en
dc.description.versionversión publicada
dc.identifier.citationRoberto 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
dc.identifier.doihttps://doi.org/10.1002/smll.202204887
dc.identifier.issn1613-6810
dc.identifier.urihttps://hdl.handle.net/20.500.14468/31225
dc.journal.issue51
dc.journal.titleSmall
dc.journal.volume19
dc.language.isoen
dc.publisherWiley
dc.relation.centerFacultad de Ciencias
dc.relation.departmentCiencias Analíticas
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.es
dc.subject2301 Química analítica
dc.subject2302 Bioquímica
dc.subject.keywordschemicals deliveryen
dc.subject.keywordshydrogelen
dc.subject.keywordsmagnetic-drivenen
dc.subject.keywordsnano/microrobotsen
dc.subject.keywordspesticidesen
dc.titleMagnetic Hydrogel Microrobots as Insecticide Carriers for In Vivo Insect Pest Control in Plantsen
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublication63ba22c0-b75a-41a0-80f8-9a74f39ec038
relation.isAuthorOfPublication.latestForDiscovery63ba22c0-b75a-41a0-80f8-9a74f39ec038
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