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Self-Assembled Hybrid Nanoparticles for Cancer-Specific Multimodal Imaging
Open accessAbstract
A layer-by-layer (LbL) polyelectrolyte deposition strategy is used to prepare multifunctional nanoparticles (MFNPs) with multimodal imaging capabilities. Alternating treatment of hybrid silica nanoparticles ( NP0 ) containing a luminescent [Ru(bpy) 3 ]Cl 2 core and anionic monolayer coating of the Gd−(siloxylpropyl)diethylenetriamine tetraacetate (Gd−DTTA) complex with cationic Gd(III)−DOTA oligomer 1 and anionic poly(styrene sulfonate) (PSS) led to the deposition of multilayers of 1 and PSS via electrostatic interactions. This LbL deposition technique offers a superb strategy for the assembly of hybrid nanoparticles with imbedded luminophores and very high MR relaxivities. The PSS-terminated multilayered nanoparticles can be noncovalently functionalized with targeting peptides that carry positive charges under physiological conditions via electrostatic interactions to lead to cancer-specific MFNPs for optical and MR imaging of HT-29 human colon cancer cells. The generality of this approach should allow the design of imaging and/or therapeutic MFNPs that can specifically target a wide range of diseased cells.
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Angiogenesis in cancer, vascular, rheumatoid and other disease
Folkman, J. (1995) · Nature Medicine · doi:10.1038/nm0195-27 · Cited by 7,627
Cited by
Mesoporous silica nanoparticles in drug delivery and biomedical applications
Wang, Y., Zhao, Q., Han, N., Bai, L., Li, J., Liu, J., Che, E., Hu, L., Zhang, Q., Jiang, T., et al. (2015) · Nanomedicine: Nanotechnology, Biology and Medicine · doi:10.1016/j.nano.2014.09.014 · Cited by 1,192
Multimodality Imaging Probes: Design and Challenges
Louie, A. (2010) · Chemical Reviews · doi:10.1021/cr9003538 · Cited by 1,044
Yusuf, A., Almotairy, A. R. Z., Henidi, H., Alshehri, O. Y., & Aldughaim, M. S. (2023) · Polymers · doi:10.3390/polym15071596 · Cited by 914
Infinite coordination polymer nano- and microparticle structures
Spokoyny, A. M., Kim, D., Sumrein, A., & Mirkin, C. A. (2009) · Chemical Society Reviews · doi:10.1039/b807085g · Cited by 788
Lee, J. E., Lee, N., Kim, H., Kim, J., Choi, S. H., Kim, J. H., Kim, T., Song, I. C., Park, S. P., Moon, W. K., et al. (2010) · Journal of the American Chemical Society · doi:10.1021/ja905793q · Cited by 707
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Metadata
- Authors
- Kim, J. S., Rieter, W. J., Taylor, K. M. L., An, H., Lin, W., & Lin, W.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-06-30
- Volume
- 129
- Issue
- 29
- Pages
- 8962-8963
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1986518135
- Cited by
- 204
- References
- 1
- FWCI
- 15.32
- Type
- journal article
- Language
- en
- Open access
- green
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