Potential risks and benefits of zinc oxide nanoparticles: a systematic review
- 2 January 2020
- journal article
- review article
- Published by Taylor & Francis Ltd in Critical Reviews in Toxicology
- Vol. 50 (1), 47-71
- https://doi.org/10.1080/10408444.2020.1726282
Abstract
Zinc oxide nanoparticles are well-known metal oxide nanoparticles having numbers of applications in the field of cosmetology, medicine, and chemistry. However, the number of reports has indicated its toxicity also such as hepatotoxicity, pulmonary toxicity, neurotoxicity, and immunotoxicity. Thus, in this article, we have analyzed the potential risks and benefits of zinc oxide nanoparticles. The data related to risks and benefits of zinc oxide nanoparticles have been extracted from PubMed (from January 2007 to August 2019). A total of 3,892 studies have been published during this period regarding zinc oxide nanoparticles. On the basis of inclusion and exclusion criteria, 277 studies have been included for the analysis of risks and benefits. Emerging reports have indicated both risks and benefits of zinc oxide nanoparticles in concentration- and time-dependent manner under in vitro and in vivo conditions through different mechanism of action. In conclusion, zinc oxide nanoparticles could play a beneficial role in the treatment of various diseases but safety of these particles at particular effective concentration should be thoroughly evaluated.Keywords
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