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Title: Nanoparticle assisted photothermal deformation of individual neuronal organelles and cells
Author: Romero, V.H.
Kereselidze, Z.
Egido, W.
Michaelides, E.A.
Santamaria, F.
Peralta, X.G.
Issue Date: 2014
Abstract: Stimulation of the localized surface plasmon of metallic nanoparticles has been shown to be an effective mechanism to induce photothermal damage in biological tissues. However, few studies have focused on single cell or subcellular ablation. Our results show that, upon incubation, gold nanostars are internalized by neurons of acute mouse cerebellar brain slices, clustering inside or close to the nucleus. By stimulating the nanostars’ surface plasmon using a femtosecond laser, we show deformation of single nuclei and single cells. Given its precision and extremely localized effect, this is a promising technique for photothermal therapy in areas sensitive to collateral thermal damage such as the nervous system. © 2014 Optical Society of America.
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