ArticleNanomaterials (Basel, Switzerland)2022
Graphene-Delivered Insecticides against Cotton Bollworm.
Article in Nanomaterials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 12 citations in OpenAlex.
- Effect of temperature and relative humidity on the effectiveness of graphene on stored product insects.Environmental science and pollution research international · 2025Article
- Exploring the Capabilities of Nanosized Graphene Oxide as a Pesticide Nanosorbent: Simulation Studies.ACS omega · 2025Article
- Graphene oxide and its derivatives films for sustained-release trace element zinc based on cation-π interaction.Scientific reports · 2025Article
- Graphene promotes the growth of Vigna angularis by regulating the nitrogen metabolism and photosynthesis.PloS one · 2024Article
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Authors and funding
8 authors at 5 institutions in 1 country.
Funding
Abstract
Nanopesticides can facilitate controlled release kinetics and efficiently enhance the permeability of active ingredients to reduce the dosage and loss of pesticides. To clarify the synergistic mechanism of graphene-insecticide nanocarriers against cotton bollworm, treatment groups, namely, control, graphene (G), insecticide (lambda-cyhalothrin (Cyh) and cyfluthrin (Cyf)), and graphene-delivered insecticide groups were used to treat the third-instar larvae of cotton bollworm. The variations in phenotypes, namely, the body length, body weight, and mortality of the cotton bollworm, were analyzed. The results show that graphene enhances the insecticidal activity of lambda-cyhalothrin and cyfluthrin against cotton bollworm. The two graphene-delivered insecticides with optimal compositions (3:1) had the strongest inhibitory effects and the highest mortality rates, with the fatality rates for the 3/1 Cyh/G and Cyf/G mixture compositions being 62.91% and 38.89%, respectively. In addition, the 100 μg/mL Cyh/G mixture had the greatest inhibitory effect on cotton bollworm, and it decreased the body length by 1.40 mm, decreased the weight by 1.88 mg, and had a mortality rate of up to 61.85%. The 100 and 150 μg/mL Cyh/G mixtures achieved the same mortality rate as that of lambda-cyhalothrin, thus reducing the use of the insecticide by one-quarter. The graphene-delivered insecticides could effectively destroy the epicuticle spine cells of the cotton bollworm by increasing the permeability and, thus, the toxicity of the insecticides.
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