期刊
SURFACE AND INTERFACE ANALYSIS
卷 45, 期 1, 页码 230-233出版社
WILEY-BLACKWELL
DOI: 10.1002/sia.5099
关键词
NanoSIMS; Ag; TEM; combining; toxicity; daphnids
资金
- Fonds National de la Recherche of Luxembourg [FNR/08/SR/07, FNR/09/SM/13]
To understand the potential toxicity of nanoparticles (NPs), it is necessary to evaluate their penetration in biological tissues. For that, cell imaging can be considered as an indispensable diagnosis method. We have used the NanoSIMS50 to detect particles of a few nanometres diameter unambiguously in biological tissues. Animals (Daphnia magna) or cells were exposed to NPs (titaniumdioxide, silver, silicon oxide and copper oxide). Transmission electronic microscopy (TEM) imaging was used as a complementary technique to secondary ion mass spectrometry (SIMS) imaging. The correlation of SIMS and TEM images opens up a new way of studying the toxicological effects of NPs of interest to medicine and pharmacology. Copyright (C) 2012 John Wiley & Sons, Ltd.
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