Zoekresultaten - 5 results

Agglomeration of titanium dioxide nanoparticles increases toxicological responses in vitro and in vivo

terms agglomerates and aggregates are frequently used in the regulatory definition(s) of nanomaterials (NM s) and hence attract attention in view of their potential influence on health effects. However, ...

Is aggregated synthetic amorphous silica toxicologically relevant?

size distributions. Their effect on cell metabolic activity, cell viability, epithelial barrier integrity, total glutathione content and, IL-8 and IL-6 secretion were investigated after 24 h exposure in ...

Short-term biodistribution and clearance of intravenously administered silica nanoparticles

concerns have been raised about potential adverse effects of synthetic amorphous silica, commonly used as food additive (E551), since silica nanoparticles have been detected in food containing E551. We ...

Toxicology of silica nanoparticles: an update

amorphous silica nanoparticles (SiNPs) have increased the risk of human exposure to SiNPs, while their health effects remain unclear. In this review, scientific papers from 2010 to 2016 were systematically ...

Biological control of the size and reactivity of catalytic Pd(0) produced by Shewanella oneidensis.

concentration and on the presence and properties of the electron donor. The addition of H(2) in the headspace allowed S. oneidensis to resist the toxic effects of Pd(II). Interestingly, 25 mM formate was a less ...

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