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Insights on toxicity, safe handling and disposal of silica aerogels and amorphous nanoparticles
Environmental Science: Nano ( IF 5.8 ) Pub Date : 2021-4-19 , DOI: 10.1039/d1en00026h João P. Vareda 1, 2, 3, 4, 5 , Carlos A. García-González 6, 7, 8, 9, 10 , Artur J. M. Valente 1, 5, 11, 12, 13 , Rosana Simón-Vázquez 14, 15, 16, 17, 18 , Marina Stipetic 19, 20, 21, 22 , Luisa Durães 1, 2, 3, 4, 5
Environmental Science: Nano ( IF 5.8 ) Pub Date : 2021-4-19 , DOI: 10.1039/d1en00026h João P. Vareda 1, 2, 3, 4, 5 , Carlos A. García-González 6, 7, 8, 9, 10 , Artur J. M. Valente 1, 5, 11, 12, 13 , Rosana Simón-Vázquez 14, 15, 16, 17, 18 , Marina Stipetic 19, 20, 21, 22 , Luisa Durães 1, 2, 3, 4, 5
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Amorphous forms of silica have always raised a lot of interest by the scientific community and are nowadays rapidly growing in commercial applications. These are commercialized as aerogels or as nanoparticles, which can feature many similarities, not only in the synthesis process but also because clusters of nanoparticles are commonly released from aerogels. Nevertheless, the health effects of amorphous silica materials are not fully understood, as occurs with many other nanoforms. Amorphous silica is known to be less toxic than its crystalline form, but toxicity studies, regulatory aspects and handling practices are still scarce. In this work, the knowledge on toxicity of amorphous silica nanostructures and suitable regulations are reviewed. Furthermore, relevant safety practices for handling these materials are discussed and strategies used to recycle and dispose them are summarized.
中文翻译：
关于二氧化硅气凝胶和无定形纳米粒子的毒性，安全处理和处置的见解
二氧化硅的无定形形式一直引起科学界的极大兴趣，并且如今在商业应用中迅速增长。这些被商业化为气凝胶或纳米颗粒，其不仅在合成过程中而且在许多方面都具有许多相似之处，因为纳米颗粒的簇通常从气凝胶中释放出来。然而，与许多其他纳米形式一样，无定形二氧化硅材料对健康的影响还没有被完全理解。众所周知，无定形二氧化硅的毒性低于其结晶形式，但毒性研究，法规规定和处理方法仍然很少。在这项工作中，对无定形二氧化硅纳米结构的毒性知识和适当的法规进行了回顾。此外，
更新日期：2021-04-19
中文翻译：
关于二氧化硅气凝胶和无定形纳米粒子的毒性，安全处理和处置的见解
二氧化硅的无定形形式一直引起科学界的极大兴趣，并且如今在商业应用中迅速增长。这些被商业化为气凝胶或纳米颗粒，其不仅在合成过程中而且在许多方面都具有许多相似之处，因为纳米颗粒的簇通常从气凝胶中释放出来。然而，与许多其他纳米形式一样，无定形二氧化硅材料对健康的影响还没有被完全理解。众所周知，无定形二氧化硅的毒性低于其结晶形式，但毒性研究，法规规定和处理方法仍然很少。在这项工作中，对无定形二氧化硅纳米结构的毒性知识和适当的法规进行了回顾。此外，
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