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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Biomolecular corona of Si and Au nanoparticles and its impact on interaction with cells
 Javorová, Pavlína ; Hubálek Kalbáčová, Marie (advisor) ; Fišer, Radovan (referee)
Biological response to presence of gold and silica nanoparticles is extensively researched area of science. However there is only limited knowledge and understanding of the effects of small and ultrasmall nanoparticles. Regarding the unique physical and chemical properties that originate from the small size have these nanoparticles ability to interact very specifically on molecular level with organisms. Once the particle enters the complex physiological environment of the body molecules (predominantly of protein character) adsorb on the surface and form a polymeric case called biomolecular corona. There is a presumption that the first contact of the nanoparticle with the cell is mediated through the molecules of this corona and are important in subsequent steps of interactions of nanoparticle-biocorona complex. Therefore the genesis and structure of biocorona is as essential as the structre of the nanoparticle itself. Nanoparticles enter and are internalized within the cell and cellular compartments through the same mechanisms like naturally occurring molecules and substances. There are slightly different patterns of behavior of small and ultrasmall nanoparticles that are not fully researched and understood. Response of mamallian cells to the presence of the ultrasmall nanoparticles is very...
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