Skip to main content

Advertisement

Log in

Toxicity of silver nanoparticles on different tissues in adult Danio rerio

  • Published:
Fish Physiology and Biochemistry Aims and scope Submit manuscript

Abstract

Although silver nanoparticles (AgNP) are among the most studied nanomaterials by virtue of their broad application in many areas, little is known about their overall toxicity to aquatic organisms after their contamination of the water environment. This study aimed to analyze the effect of the exposure (96 h) to different AgNP concentrations on Danio rerio (zebrafish) tissues. AgNP were synthesized and characterized by transmission electron microscopy (TEM), showing spherical AgNP of 30.00 ± 16.80 nm size. The effects of different AgNP concentrations (1, 3, and 5 μg L−1) on brain, muscle, gill, and liver tissues of zebrafish were investigated. The results show a significant decrease in brain and muscle acetylcholinesterase (AChE) activity. Liver and gill catalase (CAT) activity also decreased significantly. At the highest exposure concentration, muscle AChE was more inhibited (37.3%) than brain AChE (26.4%) and gill CAT was more inhibited (67.4%) than liver CAT (51.2%). D. rerio also showed gill morphological changes such as fusion of secondary lamellae, curvature, dilated marginal channel, and epithelial lifting. This study indicates that gill CAT together with morphological studies are potential biomarkers for AgNP.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4

Similar content being viewed by others

Data availability

All relevant data are within the article.

References

Download references

Funding

CSM was supported by a scholarship from the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES).

Author information

Authors and Affiliations

Authors

Contributions

All authors have been involved in various stages of the experimentation, analysis, and writing of the manuscript.

Corresponding author

Correspondence to S. S. Machado.

Ethics declarations

Conflicts of interest

The authors have no financial or proprietary interests in any material discussed in this article.

Ethical approval

All procedures used in the fish maintenance and sacrifice were approved by the Ethics Committee on the Use of Animals (CEUA) (Protocol No. 42/2017) of the Federal University of Alagoas.

Additional information

Publisher’s note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Marinho, C.S., Matias, M.V.F., Toledo, E.K.M. et al. Toxicity of silver nanoparticles on different tissues in adult Danio rerio. Fish Physiol Biochem 47, 239–249 (2021). https://doi.org/10.1007/s10695-020-00909-2

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10695-020-00909-2

Keywords

Navigation