Evaluation of the Larvicidal and Repellency of Extracts and Silver Nanoparticles Biosynthesized with Zataria multiflora (Shirazi Thyme) against Anopheles stephensi.

IF 1.3 4区医学 Q4 PARASITOLOGY

Journal of Arthropod-Borne Diseases Pub Date : 2025-03-31 eCollection Date: 2025-03-01 DOI:10.18502/jad.v19i1.19992

Asghar Yadollahi, Aboozar Soltani, Ahmad Gholami, Azim Paksa, Kourosh Azizi

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Abstract

Introduction: Mosquitoes transmit several diseases to humans. New and environmentally safe methods are needed to control mosquito populations effectively. This study aimed to evaluate the larvicidal and repellent properties of extracts and silver nanoparticles synthesized from Zataria multiflora (Shirazi thyme).

Methods: To determine the larvicidal and repellent properties of Z. multiflora, we tested different concentrations of synthesized silver nanoparticles and crude extract against this malaria vector.

Results: The crude extract exhibited weak larvicidal activity, with an LC₅₀ of 616.52 μg/mL and an LC₉₀ of 1109.74 μg/mL. However, the synthesized silver nanoparticles are highly active on the larvae of Anopheles stephensi, with an LC₅₀ at 51.07 μg/mL and an LC₉₀ at 119.04 μg/mL. Both the crude extract (ED₅₀: 0.00031 μg/cm²; ED₉₀: 0.0018 μg/cm²) and silver nanoparticles (ED₅₀: 0.000072 μg/cm²; ED₉₀: 0.00048 μg/cm²) demonstrated significant repellent activity. Particle size analysis revealed a range of 24.56 to 63.76 nanometers, with an average size of 52.7 nanometers.

Conclusion: This study showed that Z. multiflora silver nanoparticles have significant larvicidal properties, so they are suggested as a nature-friendly larvicide.

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百里香提取物和纳米银对斯氏按蚊的杀幼虫和驱避效果评价。

蚊子向人类传播几种疾病。需要新的和环境安全的方法来有效控制蚊子种群。本研究旨在评价百里香提取物和银纳米颗粒的杀虫驱避性能。方法：采用不同浓度的合成银纳米颗粒和粗提物对多花散蚊幼虫的杀虫驱避性能进行研究。结果：粗提物具有较弱的杀虫活性，LC50为616.52 μg/mL， LC90为1109.74 μg/mL。而合成的纳米银对斯氏按蚊幼虫具有较高的活性，LC50为51.07 μg/mL， LC90为119.04 μg/mL。粗提物（ED50: 0.00031 μg/cm2; ED90: 0.0018 μg/cm2）和纳米银（ED50: 0.000072 μg/cm2; ED90: 0.00048 μg/cm2）均表现出显著的驱避活性。粒径范围为24.56 ~ 63.76 nm，平均粒径为52.7 nm。结论：多花银纳米颗粒具有明显的杀幼虫性能，是一种对自然无害的杀幼虫剂。

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来源期刊

Journal of Arthropod-Borne Diseases PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-PARASITOLOGY

CiteScore

2.00

自引率

11.10%

发文量

审稿时长

8 weeks

期刊介绍： The journal publishes original research paper, short communication, scientific note, case report, letter to the editor, and review article in English. The scope of papers comprises all aspects of arthropod borne diseases including: ● Systematics ● Vector ecology ● Epidemiology ● Immunology ● Parasitology ● Molecular biology ● Genetics ● Population dynamics ● Toxicology ● Vector control ● Diagnosis and treatment and other related subjects.