Article ; Online: The size-dependent in vivo toxicity of amorphous silica nanoparticles: A systematic review.
Ecotoxicology and environmental safety
2024 Volume 271, Page(s) 115910
Abstract: The extensive application of amorphous silica nanoparticles (aSiNPs) in recent years has resulted in unavoidable human exposure in daily life, thus raising widespread concerns regarding the safety of aSiNPs on human health. The particle size is one of ... ...
| Abstract | The extensive application of amorphous silica nanoparticles (aSiNPs) in recent years has resulted in unavoidable human exposure in daily life, thus raising widespread concerns regarding the safety of aSiNPs on human health. The particle size is one of the important characteristics of nanomaterials that could influence their toxicity. For the reason that particles with smaller sizes possess larger surface area, which may lead to higher surface activity and biological reactivity. However, due to the complexity of experimental conditions and biological systems, the relationship between the particle size and the toxic effect of aSiNPs remains unclear. Therefore, this systematic review aims to investigate how particle size influences the toxic effect of aSiNPs in vivo and to analyze the relevant experimental factors affecting the size-dependent toxicity of aSiNPs in vivo. We found that 83.8% of 35 papers included in the present review came to the conclusion that smaller-sized aSiNPs exhibited stronger toxicity, though a few papers (6 papers) put forward different opinions. The reasons for smaller aSiNPs manifested greater toxicity were summarized. In addition, certain important experimental factors could influence the size-dependent effects and in vivo toxicity of aSiNPs, such as the synthesis method of aSiNPs, disperse medium of aSiNPs, administration route of aSiNPs, species or strain of experimental animals, sex of experimental animals, aggregation/agglomeration and protein corona of aSiNPs. |
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| MeSH term(s) | Animals ; Humans ; Silicon Dioxide/toxicity ; Nanoparticles/toxicity ; Particle Size | |||||
| Chemical Substances | Silicon Dioxide (7631-86-9) | |||||
| Language | English | |||||
| Publishing date | 2024-01-09 | |||||
| Publishing country | Netherlands | |||||
| Document type | Systematic Review ; Journal Article ; Review | |||||
| ZDB-ID | 436536-7 | |||||
| ISSN | 1090-2414 ; 0147-6513 | |||||
| ISSN (online) | 1090-2414 | |||||
| ISSN | 0147-6513 | |||||
| DOI | 10.1016/j.ecoenv.2023.115910 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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