4.8 Article

Manipulation Bifunctional Fe3O4-Ag Heterodimer Nanoparticles for Two-Photon Fluorescence Imaging and Magnetic Manipulation

Journal

ADVANCED MATERIALS
Volume 20, Issue 23, Pages 4403-4407

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200800498

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Funding

  1. Institute of Bioengineering and Nanotechnology (Biomedical Research Council, Agency for Science, Technology and Research, Singapore)
  2. National Science Foundation
  3. European Union, Marie Curie Program
  4. Wiley InterScience

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Fe3O4-Ag heterodimer nanocomposites of tunable sizes are synthesized with high yield under mild conditions, without the loss of high magnetic moment. A ligand-exchange scheme is devised utilizing the bifunctionality of the heterodimer system to render the nanocomposite soluble in aqueous solutions. Cells labeled with the heterodimer nanoparticles can be magnetically manipulated and imaged with two-photon fluorescence microscopy.

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