基于脂质基质的杀虫纳米制剂：理化性质及其对非目标水生生物群的影响

IF 4.1 2区环境科学与生态学 Q1 MARINE & FRESHWATER BIOLOGY

Aquatic Toxicology Pub Date : 2025-02-07 DOI:10.1016/j.aquatox.2025.107268

Catarina Ganilho , Manuel A. Andino-Enríquez , Thacilla I. de Menezes , Lisete Fernandes , Carlos M. Pereira , Ruth Pereira , Tatiana Andreani

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引用次数: 0

摘要

在脂质纳米颗粒（LN）中掺入高效氯氟氰菊酯（LC）可能是一种可持续的策略，可以提高其功效并降低其对环境的危害。本研究的目的是研究LC和LN在纳米胶囊化后的相互作用，并评估它们对不同营养水平的水生物种（如费氏alivibrio fischeri， Raphidocelis subcapitata， lena minor和Daphnia magna）的影响。采用绿色简单的方法制备负载LC (LN-LC)，无需有机溶剂，分别以preprerol ATO5®和Capryol 90®为固体脂质和液体脂质，大豆卵磷脂和TEGO®Care为乳化剂。通过差示扫描量热法（DSC）、傅里叶变换红外（FTIR）和x射线评估了LC和LN之间的物理化学相互作用，证实了LC与纳米颗粒的脂质晶格有关，其特征是无定形基质。生物试验数据显示，LN-LC对选定的水生生物没有毒性或毒性很低。因此，将这种杀虫剂包封在脂基纳米颗粒中可能是一种有前途的可持续选择，可以在农业实践中使用这种杀虫剂，降低其环境风险。

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Insecticidal nanoformulations based on a lipid matrix: Physicochemical properties and their effect on non-target aquatic biota

The incorporation of lambda-cyhalothrin (LC) in lipid nanoparticles (LN) could be a sustainable strategy to increase its efficacy and decrease its hazard to the environment. The purpose of the present work was to perform the interaction between LC and LN after nanoencapsulation and to evaluate their effect on species from different aquatic trophic levels such as Aliivibrio fischeri, Raphidocelis subcapitata, Lemna minor, and Daphnia magna. LN loaded with LC (LN-LC) were produced by green and simple methodology without organic solvents using Precirol ATO5® and Capryol 90® as solid and liquid lipids, respectively, and soy lecithin and TEGO® Care as emulsifiers. The physicochemical interaction between LC and LN was assessed by differential scanning calorimetry (DSC), Fourier-transform infrared (FTIR), and X-ray, confirming that LC is associated with the lipid lattice of nanoparticles, characterized by an amorphous matrix. The data from biological tests showed no or low toxicity of LN-LC on the selected aquatic organisms. Thus, encapsulation in lipid-based nanoparticles may be a promising and sustainable choice for using this insecticide in agricultural practices, reducing its environmental risk.

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来源期刊

Aquatic Toxicology 环境科学-毒理学

CiteScore

7.10

自引率

4.40%

发文量

250

审稿时长

56 days

期刊介绍： Aquatic Toxicology publishes significant contributions that increase the understanding of the impact of harmful substances (including natural and synthetic chemicals) on aquatic organisms and ecosystems. Aquatic Toxicology considers both laboratory and field studies with a focus on marine/ freshwater environments. We strive to attract high quality original scientific papers, critical reviews and expert opinion papers in the following areas: Effects of harmful substances on molecular, cellular, sub-organismal, organismal, population, community, and ecosystem level; Toxic Mechanisms; Genetic disturbances, transgenerational effects, behavioral and adaptive responses; Impacts of harmful substances on structure, function of and services provided by aquatic ecosystems; Mixture toxicity assessment; Statistical approaches to predict exposure to and hazards of contaminants The journal also considers manuscripts in other areas, such as the development of innovative concepts, approaches, and methodologies, which promote the wider application of toxicological datasets to the protection of aquatic environments and inform ecological risk assessments and decision making by relevant authorities.