Abstract
Gold nanoparticles are shown to get incorporated into double-stranded DNA molecules forming quasinematic layers in the cholesteric liquid-crystalline dispersion particles. The process of nanoparticle incorporation results in distortion in an ordered arrangement of the neighboring dsDNA molecules in a layer and in global spatial structure of particles of the dispersion, which may be one of the possible causes of the genotoxicity of gold nanoparticles.
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