Résultats de la recherche - 5 results

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

composed of small or large agglomerates with similar dispersion medium composition. For in vitro testing, human bronchial epithelial (HBE), colon epithelial (Caco2) and monocytic (THP-1) cell lines were ...

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 ...

Multivalent binding of herpesvirus to living cells is tightly regulated during infection.

the cell surface. While multiple parallel interactions would allow strong virus attachment, a low number of bonds could be preferred to allow lateral diffusion toward specific receptors and to promote ...

Toxicology of silica nanoparticles: an update

Toxicity of SiNPs in vitro is size, dose, and cell type dependent. SiNPs synthesized by wet route exhibited noticeably different biological effects compared to thermal route-based SiNPs. Amorphous SiNPs ...

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

determined the size and properties of the precipitated Pd(0) nanoparticles. Assessment of cell viability indicated that the bioreduction of Pd(II) was a detoxification mechanism depending on the Pd(II) ...

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