Nanoparticle Applications in Pest Management
Summary
Advances in nanotechnology are transforming pest management by enabling the design of nano-scale formulations that deliver active agents more efficiently and with greater specificity than conventional pesticides. Metal and metal-oxide nanoparticles such as silver, zinc oxide and titanium dioxide can be tailored in size, surface charge and coating to enhance contact or systemic activity against insect and parasitic pests. Phytochemical or microbial routes to nanoparticle synthesis offer eco-friendly alternatives to chemical processes, while encapsulation of biopesticides and entomopathogenic agents in nanoparticles can protect labile biomolecules from degradation. Key advantages include improved dispersal on plant surfaces, controlled release of insecticidal compounds, reduced run-off and lower non-target toxicity. Nonetheless, comprehensive assessment of environmental fate, potential bioaccumulation and regulatory compliance remains essential to ensure that nano-enabled pest control fulfils both agronomic and sustainability goals.
Research from Nature Portfolio
Recent studies have demonstrated the antileishmanial potential of phytofabricated silver nanoparticles, synthesised using botanical extracts as both reducing and capping agents. Detailed physicochemical characterisation confirmed monodisperse particles with uniform morphology, while in vitro assays against disease-causing protozoan cells revealed dose-dependent killing at concentrations comparable to or better than existing therapeutics. Importantly, evaluation on mammalian cell lines indicated minimal cytotoxicity, underscoring the promise of these biogenic nanoparticles for targeted parasitic pest control with reduced collateral impact on non-target organisms.
Nanoparticle Applications in Pest Management publication trend
The graph below shows the total number of articles in nanoparticle applications in pest management across all publications each year (not limited to Nature Index journals).
Technical terms
Nanoparticle: A particle with at least one dimension between 1 and 100 nm, exhibiting size-dependent physical and chemical properties.
Phytofabrication: The green synthesis of nanoparticles using plant extracts that act as reducing and stabilising agents.
Entomopathogenic fungi: Fungal species that infect and kill insect hosts, often used as biological control agents.
Controlled release: A formulation strategy that regulates the rate at which an active agent is delivered to the target pest.
Reactive oxygen species (ROS): Highly reactive molecules derived from oxygen that can damage cellular components, often generated by metal-oxide nanoparticles to exert insecticidal action.
References
- Design of commercially comparable nanotherapeutic agent against human disease-causing parasite, Leishmania. Scientific Reports (2018).
- Insecticidal Effect of Zinc Oxide Nanoparticles against Spodoptera frugiperda under Laboratory Conditions. Insects (2021).
- Insecticidal Effect of Zinc Oxide and Titanium Dioxide Nanoparticles against Bactericera cockerelli Sulc. (Hemiptera: Triozidae) on Tomato Solanum lycopersicum. Agronomy (2021).
- Biosynthesis of Silver Nanoparticles Mediated by Entomopathogenic Fungi: Antimicrobial Resistance, Nanopesticides, and Toxicity. Antibiotics (2021).
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