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Plasmonic Copper Sulfide Nanocrystals Exhibiting Near-Infrared Photothermal and Photodynamic Therapeutic Effects
Abstract
Recently, plasmonic copper sulfide (Cu2-xS) nanocrystals (NCs) have attracted much attention as materials for photothermal therapy (PTT). Previous reports have correlated photoinduced cell death to the photothermal heat mechanism of these NCs, and no evidence of their photodynamic properties has been reported yet. Herein we have prepared physiologically stable near-infrared (NIR) plasmonic copper sulfide NCs and analyzed their photothermal and photodynamic properties, including therapeutic potential in cultured melanoma cells and a murine melanoma model. Interestingly, we observe that, besides a high PTT efficacy, these copper sulfide NCs additionally possess intrinsic NIR induced photodynamic activity, whereupon they generate high levels of reactive oxygen species. Furthermore, in vitro and in vivo acute toxic responses of copper sulfide NCs were also elicited. This study highlights a mechanism of NIR light induced cancer therapy, which could pave the way toward more effective nanotherapeutics.
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A clearer vision for in vivo imaging
Weissleder, R. (2001) · Nature Biotechnology · doi:10.1038/86684 · Cited by 3,839
Role of reactive oxygen species (ROS) in apoptosis induction
Simon, H.-U., Haj-Yehia, A., & Levi-Schaffer, F. (2000) · Apoptosis · doi:10.1023/a:1009616228304 · Cited by 2,774
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Localized Surface Plasmon Resonance in Semiconductor Nanocrystals
Agrawal, A., Cho, S. H., Zandi, O., Ghosh, S., Johns, R. W., & Milliron, D. J. (2018) · Chemical Reviews · doi:10.1021/acs.chemrev.7b00613 · Cited by 1,014
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Ha, M., Kim, J.-H., You, M., Li, Q., Fan, C., & Nam, J.-M. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00234 · Cited by 466
Metadata
- Authors
- Wang, S., Riedinger, A., Li, H., Fu, C., Liu, H., Li, L., Liu, T., Tan, L., Barthel, M. J., Pugliese, G., De Donato, F., Scotto D’Abbusco, M., Meng, X., Manna, L., Meng, H., & Pellegrino, T.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-01-30
- Volume
- 9
- Issue
- 2
- Pages
- 1788-1800
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2048726892
- Cited by
- 610
- References
- 2
- FWCI
- 36.17
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, S., Riedinger, A., Li, H., Fu, C., Liu, H., Li, L., Liu, T., Tan, L., Barthel, M. J., Pugliese, G., De Donato, F., Scotto D’Abbusco, M., Meng, X., Manna, L., Meng, H., & Pellegrino, T. (2015). Plasmonic Copper Sulfide Nanocrystals Exhibiting Near-Infrared Photothermal and Photodynamic Therapeutic Effects. ACS Nano. https://doi.org/10.1021/nn506687t
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