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. 2022 Aug 8;13:920824. doi: 10.3389/fphar.2022.920824

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Copyright © 2022 Xiao, Cui, Sun, Liu, Zheng and Dong.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Adding GNP to the lubricant can improve the effect of the lubricant. The nano-GNP in the lubricant reduces the contact area by filling, and the effect of the lubricant can be the best when the concentration of GNP reaches a certain degree.