Spectral and 3-Dimensional Tracking of Single Gold Nanoparticles in Living Cells Studied by Rayleigh Light Scattering Microscopy

Spectral and 3-Dimensional Tracking of Single Gold Nanoparticles in Living Cells Studied by Rayleigh Light Scattering Microscopy

Using a confocal Rayleigh light scattering microspectroscopy and imaging system, we followed and recorded the scattering spectra of single gold nanoparticles interacting with living mouse fibroblast cells, during the scale of 1 h. A white light continuum produced by a femtosecond laser was focused o...

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Veröffentlicht in:Journal of physical chemistry. C 2009-07, Vol.113 (27), p.11766-11772
Hauptverfasser: Louit, Guillaume, Asahi, Tsuyoshi, Tanaka, Go, Uwada, Takayuki, Masuhara, Hiroshi
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container_issue 27
container_start_page 11766
container_title Journal of physical chemistry. C
container_volume 113
creator Louit, Guillaume
Asahi, Tsuyoshi
Tanaka, Go
Uwada, Takayuki
Masuhara, Hiroshi
description Using a confocal Rayleigh light scattering microspectroscopy and imaging system, we followed and recorded the scattering spectra of single gold nanoparticles interacting with living mouse fibroblast cells, during the scale of 1 h. A white light continuum produced by a femtosecond laser was focused on gold nanoparticles with a diameter of 80 nm, while an incubation system ensured viability of the living cells. After reporting spectral characteristics of gold nanoparticles and their target fibroblasts, separately and in combination, tracking sequences of single nanoparticles in contact with a single cell are described. Through the study of three separate and representative cases, transitory as well as plasmon resonance band shifts, which can be linked to biological events, have been observed and are discussed here.
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title Spectral and 3-Dimensional Tracking of Single Gold Nanoparticles in Living Cells Studied by Rayleigh Light Scattering Microscopy
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