Investigations Of The Toxic Effects of Glycans-Based Silver Nanoparticles On Different Types Of Human Cells.

Autor: Panzarini, E., Mariano, S., Dini, L.
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Zdroj: AIP Conference Proceedings; 2017, Vol. 1873 Issue 1, p1-10, 10p, 1 Color Photograph, 2 Charts, 2 Graphs
Abstrakt: The effects of glycans-capped AgNPs (30±5 nm average diameter, spherical shape) on biocompatibility and uptake was studied in relation to the glycan capping (glucose AgNPs-G, glucose/sucrose AgNPs-GS, glucose/fructose AgNPs-GF), and to the cell types (HeLa cells, lymphocytes, and HepG2 cells). Glycan capping and type of cells drive morphological changes, viability loss and type and extent of cell death induction; in addition cells response is largely influenced by the AgNPs amount. The MTT photometric method to determine cell metabolism and the analysis of the membrane integrity by Annexin V-Propidium Iodide labelling were used to quantify cell viability and cell death with different concentrations of NPs. It turns out that i) AgNPs-GF are the most toxic, whereas ii) AgNPs-GS are the less toxic NPs, probably due to the stability of glucose/sucrose capping up to 5 days in culture medium; iii) HepG2 cells are the most sensitive to the presence of NPs. A deeper investigation is necessary to explain the interesting PBLs proliferation increase observed in the presence of AgNPs-GS. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index