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26 August 2015 Sharp gold based hybrid nanoprobes for cell imaging through dark-field microscopy
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Abstract
Numerous works are based on the design, the elaboration and the study of the optical properties of gold nanoprobes for potential applications in biotechnologies (bioimaging, biosensing). Among all the possible shapes, it appears that sharp gold nanostructures exhibit interesting features due to the strong filed generated at their tips ends, making them very sensitive to the surrounding medium. Here we describe a complete study of PEGylated gold nanoparticles : nanostars and bipyramids as potential agents for bioimaging. The nanoprobes are first prepared in high yield before functionalization with a biocompatible polymer. Then, the PEGylated gold nanoparticles are incubated with melanoma B16-F10 cells and observed using Dark-field microscopy. Results show that the biocompatible gold nanoparticles are easily internalized and most of them localized within the cells.
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© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Frederic Lerouge, Julien R. G. Navarro, Monica Foscan, Frederic Chaput, Patrice Baldeck, and Stéphane Parola "Sharp gold based hybrid nanoprobes for cell imaging through dark-field microscopy", Proc. SPIE 9557, Nanobiosystems: Processing, Characterization, and Applications VIII, 95570D (26 August 2015); https://doi.org/10.1117/12.2190853
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