Chemical and physical characterization of nanoparticles

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In a blood stream nanoparticles can be degrade or strongly interact with proteins those events can effectively prevent nanoparticles to penetrate through cell membranes. Even nanoparticles will be successfully delivered to the cell they have to overcome cell membrane. Cell membranes themselves influence distribution and transport of internalized nanoparticles. Briefly described factors which can influence on drug transportation in a blood stream and cells show why it is important to investigate and understand interactions between nanoparticles and proteins or lipid model membranes. The other motive for this type of study is understanding mechanism of toxic effect observed during cytotoxicity tests. It has been proofed that toxic effect observed for nanoparticles can be correlated with the influence of dendrimers on cell membrane properties and integrity. After synthesis of nanoparticle it is important to characterize their properties like size, Zeta potential, fluorescence properties as well as investigate their interaction with proteins, nucleic acids and lipid model systems (model of cell membrane).

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