期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 14, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/s11051-012-0815-7
关键词
SiC nanoparticles; TiC nanoparticles; Particle size distribution; Surface composition; Protocol of dispersion; In vitro assays; Effective dose; Environmental and health effects
资金
- Direction Generale des Technologies de la Recherche et de l'Energie'' (DGTRE) of the Walloon Region of Belgium [516252]
- European Union [INFRA STRUCTURE-2010-1-262163]
The evolution of the particle size distribution and the surface composition of silicon carbide and titanium carbide nanoparticle (NP) dispersions were studied. The pre-dispersions were prepared using two commonly used protocols for dispersion: stirring and sonication. Two dispersants were investigated (water and Pluronic F108 1 %) at two stages: predispersion and during in vitro assays. Our data show that for each tested condition, different time-dependent results for the surface chemical composition as well as size and percentage of the agglomerates and the primary particles are observed. De-agglomeration and successive or simultaneous cleaning-wrapping cycles of the nanomaterial are observed and are related to the dispersion method and the medium as well as to the chemical stability of the NP surface. Biological response during in vitro assessment was also performed for one given pre-dispersion time condition and demonstrates that the preparation method significantly alters the results.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据