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Entrapment of hydrophobic drugs in nanoparticle monolayers with efficient release into cancer cells.


ABSTRACT: Gold nanoparticles functionalized with water-soluble zwitterionic ligands form kinetically stable complexes with hydrophobic drugs and dyes. These drugs and dyes are efficiently released into cells, as demonstrated through fluorescence microscopy and cytotoxicity assays. Significantly, there is little or no cellular uptake of particle, making these low toxicity particles promising for delivery applications.

SUBMITTER: Kim CK 

PROVIDER: S-EPMC2645269 | biostudies-literature | 2009 Feb

REPOSITORIES: biostudies-literature

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Entrapment of hydrophobic drugs in nanoparticle monolayers with efficient release into cancer cells.

Kim Chae Kyu CK   Ghosh Partha P   Pagliuca Chiara C   Zhu Zheng-Jiang ZJ   Menichetti Stefano S   Rotello Vincent M VM  

Journal of the American Chemical Society 20090201 4


Gold nanoparticles functionalized with water-soluble zwitterionic ligands form kinetically stable complexes with hydrophobic drugs and dyes. These drugs and dyes are efficiently released into cells, as demonstrated through fluorescence microscopy and cytotoxicity assays. Significantly, there is little or no cellular uptake of particle, making these low toxicity particles promising for delivery applications. ...[more]

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