期刊
NEW JOURNAL OF CHEMISTRY
卷 39, 期 4, 页码 2474-2482出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nj01752h
关键词
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资金
- Italian Ministero dell'Istruzione, dell' Universita e della Ricerca (MIUR) through the Programma di ricerca di rilevante interesse nazionale (PRIN) [2010C4R8M8_002]
- Italian Ministero dell'Istruzione, dell' Universita e della Ricerca (MIUR) through the Futuro in Ricerca (FIRB) [RBFR1248UI 002]
In this study, coarse-grained computational simulations of the ubiquitin corona around gold nanoparticles have been carried out, and the effect of the nanoparticle size (10, 16, 20, and 24 nm diameter) and environment (bare nanoparticle surface, and citrate-coated surface, where citrate are treated with implicit and explicit models) has been analysed. The results showed that the corona is obtained after a slow reorientation step that occurs at the nanoparticle surface in order to optimize the nanoparticleubiquitins interaction. The ubiquitin binding modalities depend on the nanoparticle environment, while conformational changes of ubiquitins upon binding and their aggregation propensity slightly depend on nanoparticle size.
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