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@article{2385337,
author = {Eghbalinejad, Mahleh and López Cabeza, María del Rocío and Kotouček, Jan and Grillo, Renato and Koutný, Marek and Bílková, Zuzana and Hofman, Jakub and LópezandCabeza, Rocío and Kotouček, Jan},
article_location = {ENGLAND},
article_number = {3},
doi = {http://dx.doi.org/10.1039/D3EN00673E},
keywords = {ENVIRONMENTAL RISK ASSESSMENTS; ACUTE TOXICITY; NANOPARTICLES; ATRAZINE; GENOTOXICITY; CYHALOTHRIN; PESTICIDES; HERBICIDE; STABILITY; EXPOSURE},
language = {eng},
issn = {2051-8153},
journal = {Environmental Science: Nano},
title = {Effects of three tebuconazole nanopesticides on the survival of Daphnia magna},
url = {https://pubs.rsc.org/en/content/articlelanding/2024/en/d3en00673e},
volume = {11},
year = {2024}
}
TY - JOUR
ID - 2385337
AU - Eghbalinejad, Mahleh - López Cabeza, María del Rocío - Kotouček, Jan - Grillo, Renato - Koutný, Marek - Bílková, Zuzana - Hofman, Jakub - López-Cabeza, Rocío - Kotouček, Jan
PY - 2024
TI - Effects of three tebuconazole nanopesticides on the survival of Daphnia magna
JF - Environmental Science: Nano
VL - 11
IS - 3
SP - 1044-1059
EP - 1044-1059
PB - Royal Society of Chemistry
SN - 20518153
KW - ENVIRONMENTAL RISK ASSESSMENTS
KW - ACUTE TOXICITY
KW - NANOPARTICLES
KW - ATRAZINE
KW - GENOTOXICITY
KW - CYHALOTHRIN
KW - PESTICIDES
KW - HERBICIDE
KW - STABILITY
KW - EXPOSURE
UR - https://pubs.rsc.org/en/content/articlelanding/2024/en/d3en00673e
N2 - The growing pressure to reduce excessive pesticide use has led to exploring novel formulation methods, including nanoparticle carriers for active substances. However, these emerging nanopesticides need a thorough evaluation compared to current formulations to determine whether their “nano” properties intensify toxicity for non-target organisms. This study assessed the lethal toxicity of three nanopesticides on Daphnia magna. The nanopesticides tested were tebuconazole loaded onto poly-ε-caprolactone, nanostructured lipid carriers, and poly(3-hydroxybutyrate) nanoparticles. Additionally, the study evaluated the toxicity of nanocarriers without loaded tebuconazole, a commercial tebuconazole formulation, and tebuconazole (pure). Effects were studied across a series of dilutions to examine the impacts on tebuconazole chemistry (total and free concentrations) and particle physics (size, heterogeneity, and density). D. magna exhibited varied responses to polymeric and lipid nanoformulations of tebuconazole and unloaded nanocarriers. The observed toxicity levels, from highest to lowest, were as follows: pure tebuconazole > tebuconazole-loaded on nanostructured lipid carriers > commercial tebuconazole > tebuconazole-loaded on poly(3-hydroxybutyrate) nanoparticles > tebuconazole-loaded on poly-ε-caprolactone. The mechanisms underlying the observed toxicity can generally be attributed to chemical factors (tebuconazole's free concentration and particle composition) and physical aspects (particle size and concentration). The study also revealed that dilution series can influence particle size and homogeneity, affecting the loaded substance's chemistry. This implies that the toxicity testing of nanopesticides is complex and not as straightforward as traditional dose–response modeling. Research like this is crucial to understanding the ecological impacts of nanopesticides, ensuring that new nanoformulations are beneficial rather than detrimental for plant protection.
ER -
EGHBALINEJAD, Mahleh, María del Rocío LÓPEZ CABEZA, Jan KOTOUČEK, Renato GRILLO, Marek KOUTNÝ, Zuzana BÍLKOVÁ a Jakub HOFMAN. Effects of three tebuconazole nanopesticides on the survival of Daphnia magna. Renato Grillo, Marek Koutný, Zuzana Bílková, Jakub Hofman. \textit{Environmental Science: Nano}. ENGLAND: Royal Society of Chemistry, 2024, roč.~11, č.~3, s.~1044-1059. ISSN~2051-8153. Dostupné z: https://dx.doi.org/10.1039/D3EN00673E.
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