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The underlying mechanism for the enhanced radical trapping effects of nanoparticles surface-functionalized with antioxidants: A kinetic study
NanoImpact ( IF 4.7 ) Pub Date : 2021-06-02 , DOI: 10.1016/j.impact.2021.100328
Xiaojie Zhang 1 , Zeng He 2 , Yang Liu 3 , Libo Du 1
Affiliation  

The enhancement in reactivity of the antioxidant functionalized gold nanoparticles is closely related to the rate constant and activation energy, which were significantly affected by the chain length of the PEG ligands that capped the gold nanoparticles. Meanwile, the enhancement could be attributed to the π-π stacking interaction between the adjacent phenol groups coated on gold nanoparticles' surface.



中文翻译:

抗氧化剂表面功能化纳米粒子增强自由基捕获效应的潜在机制:动力学研究

抗氧化功能化金纳米粒子的反应性增强与速率常数和活化能密切相关,这受到覆盖金纳米粒子的 PEG 配体的链长的显着影响。同时,这种增强可归因于涂在金纳米颗粒表面的相邻酚基团之间的 π-π 堆积相互作用。

更新日期:2021-06-10
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