Abstract

The targeted delivery of Fe3O4@TiO2 nanoparticles to cancer cells is an important step in their development as nanomedicines. We have synthesized nanoparticles that can bind the Epidermal Growth Factor Receptor, a cell surface protein that is overexpressed in many epithelial type cancers. In order to study the subcellular distribution of these nanoparticles, we have utilized the sub-micron resolution of X-ray Fluorescence Microscopy to map the location of Fe3O4@TiO2 NPs and other trace metal elements within HeLa cervical cancer cells. Here we demonstrate how the higher resolution of the newly installed Bionanoprobe at the Advanced Photon Source at Argonne National Laboratory can greatly improve our ability to distinguish intracellular nanoparticles and their spatial relationship with subcellular compartments.

Details

Title
Mapping the subcellular localization of Fe3O4@TiO2 nanoparticles by X-ray Fluorescence Microscopy
Author
Yuan, Y 1 ; Chen, S 2 ; Gleber, S C 2 ; Lai, B 2 ; Brister, K 3 ; Flachenecker, C 4 ; Wanzer, B 1 ; Paunesku, T 1 ; Vogt, S 2 ; Woloschak, G E 1 

 Department of Radiation Oncology, Northwestern University, Chicago, IL 60611, USA 
 X-ray Sciences Division, Argonne National Laboratory, Argonne, IL 60439, USA 
 Life Sciences Collaborative Access Team, Argonne National Laboratory, Argonne, IL 60439, USA 
 Xradia, Pleasanton, CA 94588, USA 
Publication year
2013
Publication date
Oct 2013
Publisher
IOP Publishing
ISSN
17426588
e-ISSN
17426596
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2577558590
Copyright
© 2013. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.