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Nanoscience and Nanotechnology Commons

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2013

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Chemistry & Biochemistry Faculty Publications

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Full-Text Articles in Nanoscience and Nanotechnology

Real-Time In Vivo Imaging Of Size-Dependent Transport And Toxicity Of Gold Nanoparticles In Zebrafish Embryos Using Single Nanoparticle Plasmonic Spectroscopy, Lauren M. Browning, Tao Huang, Xiao-Hong Nancy Xu Jan 2013

Real-Time In Vivo Imaging Of Size-Dependent Transport And Toxicity Of Gold Nanoparticles In Zebrafish Embryos Using Single Nanoparticle Plasmonic Spectroscopy, Lauren M. Browning, Tao Huang, Xiao-Hong Nancy Xu

Chemistry & Biochemistry Faculty Publications

Noble metal nanoparticles (NPs) show distinctive plasmonic optical properties and superior photostability, enabling them to serve as photostable multicoloured optical molecular probes and sensors for real-time in vivo imaging. To effectively study biological functions in vivo, it is essential that the NP probes are biocompatible and can be delivered into living organisms non-invasively. In this study, we have synthesized, purified and characterized stable (non-aggregated) gold (Au) NPs (86.2 +/- 10.8 nm). We have developed dark-field single NP plasmonic microscopy and spectroscopy to study their transport into early developing zebrafish embryos (cleavage stage) and their effects on embryonic development ...