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Effects of silver sulfide nanoparticles on the earthworm Eisenia andrei
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SYSNO ASEP 0564511 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effects of silver sulfide nanoparticles on the earthworm Eisenia andrei Author(s) Navarro Pacheco, Natividad Isabel (MBU-M) ORCID
Semerád, Jaroslav (MBU-M) ORCID, RID
Pivokonský, Martin (UH-J) SAI, ORCID, RID
Cajthaml, Tomáš (MBU-M) RID, ORCID
Filip, J. (CZ)
Busquets-Fité, M. (ES)
Dvořák, Jiří (MBU-M) RID, ORCID
Rico, A. (ES)
Procházková, Petra (MBU-M) RID, ORCIDArticle number 109355 Source Title Comparative Biochemistry and Physiology Part C. - : Elsevier - ISSN 1532-0456
Roč. 257, July 2022 (2022)Number of pages 9 s. Language eng - English Country US - United States Keywords Nanoparticles ; Earthworm ; Coelomocytes ; Lipid peroxidation ; Phenoloxidase Subject RIV EC - Immunology OECD category Environmental sciences (social aspects to be 5.7) Subject RIV - cooperation Institute of Hydrodynamics - Water Pollution ; Quality Method of publishing Open access Institutional support MBU-M - RVO:61388971 ; UH-J - RVO:67985874 UT WOS 000804551600002 EID SCOPUS 85129667191 DOI 10.1016/j.cbpc.2022.109355 Annotation The massive production and use of silver nanoparticles (Ag NPs) have led to their increasing release into the environment. Even though the antimicrobial and cytotoxic effects of native nanoparticles have been well studied, the environmental impacts of transformation products such as silver sulfide nanoparticles (Ag2S NPs) have not been elucidated. In the present study, we assessed the toxicity of Ag2S NPs and silver nitrate (AgNO3), as a source of Ag, to the earthworm Eisenia andrei using a nominal concentration of 5 mg Ag kg-1 soil. We used the OECD guidelines to assess effects on weight loss and mortality for 14 days. After exposure, we also extracted the immune effector cells (coelomocytes) and conducted a battery of biomarker tests. To ensure the quality of the toxicological results, the structural changes of NPs during the experiment and the uptake of silver by the earthworms were monitored. During the experiment, mortality effects were not detected, but a weight loss was observed in the earthworms exposed to Ag2S NPs. Altough Ag2S NPs were engulfed by E. andrei cells, neither phenoloxidase activity nor lipid peroxidation differed from the untreated control group. Cells from earthworms treated with Ag2S NPs exerted very broad value range of nitric oxide (NO) generation, suggesting an imbalance in the NO metabolism. Overall, this study suggests minimal risks associated with Ag2S NPs exposure to earthworms. However, further studies are needed to assure no immunotoxicological or chronic effects on a wider range of terrestrial organisms. Workplace Institute of Microbiology Contact Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231 Year of Publishing 2023 Electronic address https://www.webofscience.com/wos/woscc/full-record/WOS:000804551600002
Number of the records: 1