Journal
SCIENTIFIC REPORTS
Volume 4, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep03653
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Funding
- National Natural Science Foundation of China [21271130]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1269]
- Shanghai Science and Technology Development Fund [12ZR1421800]
- Shanghai Pujiang Program [13PJ1406600]
- Shanghai Municipal Education Commission [13ZZ110]
- Shanghai Normal University [DXL122, SK201339]
- Shanghai Institutions of Higher Learning
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We report here a facile thermal decomposition approach to creating tungsten oxide nanorods (WO2.9 NRs) with a length of 13.1 +/- 3.6 nm and a diameter of 4.4 +/- 1.5 nm for tumor theranostic applications. The formed WO2.9 NRs were modified with methoxypoly(ethylene glycol) (PEG) carboxyl acid via ligand exchange to have good water dispersability and biocompatibility. With the high photothermal conversion efficiency irradiated by a 980 nm laser and the better X-ray attenuation property than clinically used computed tomography (CT) contrast agent Iohexol, the formed PEGylated WO2.9 NRs are able to inhibit the growth of the model cancer cells in vitro and the corresponding tumor modelin vivo, and enable effective CT imaging of the tumor model in vivo. Our killing two birds with one stone'' strategy could be extended for fabricating other nanoplatforms for efficient tumor theranostic applications.
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