The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Ultrafine Titanium Monoxide (TiO1+x) Nanorods for Enhanced Sonodynamic Therapy
Abstract
Ultrasound (US)-triggered sonodynamic therapy (SDT) that enables noninvasive treatment of large internal tumors has attracted widespread interest. For improvement in the therapeutic responses to SDT, more effective and stable sonosensitizers are still required. Herein, ultrafine titanium monoxide nanorods (TiO 1+ x NRs) with greatly improved sono-sensitization and Fenton-like catalytic activity were fabricated and used for enhanced SDT. TiO 1+ x NRs with an ultrafine rodlike structure were successfully prepared and then modified with polyethylene glycol (PEG). Compared to the conventional sonosensitizer, TiO 2 nanoparticles, the PEG–TiO 1+ x NRs resulted in much more efficient US-induced generation of reactive oxygen species (ROS) because of the oxygen-deficient structure of TiO 1+ x NR, which predominantly serves as the charge trap to limit the recombination of US-triggered electron–hole pairs. Interestingly, PEG–TiO 1+ x NRs also exhibit horseradish-peroxidase-like nanozyme activity and can produce hydroxyl radicals ( • OH) from endogenous H 2 O 2 in the tumor to enable chemodynamic therapy (CDT). Because of their efficient passive retention in tumors post intravenous injection, PEG–TiO 1+ x NRs can be used as a sonosensitizer and CDT agent for highly effective tumor ablation under US treatment. In addition, no significant long-term toxicity of PEG–TiO 1+ x NRs was found for the treated mice. This work highlights a new type of titanium-based nanostructure with great performance for tumor SDT.
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Cited by
Zhou, Y., Fan, S., Feng, L., Huang, X., & Chen, X. (2021) · Advanced Materials · doi:10.1002/adma.202104223 · Cited by 463
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Conferring Ti‐Based MOFs with Defects for Enhanced Sonodynamic Cancer Therapy
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Self-citationDefect engineering in nanozymes
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Metadata
- Authors
- Wang, X., Zhong, X., Bai, L., Xu, J., Gong, F., Dong, Z., Yang, Z., Zeng, Z., Liu, Z., & Cheng, L.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-03-19
- Volume
- 142
- Issue
- 14
- Pages
- 6527-6537
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W3012340820
- Cited by
- 532
- References
- 41
- FWCI
- 24.77
- Type
- journal article
- Language
- en
- Open access
- closed
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