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Enhanced photocatalytic activity and photothermal effects of cu-doped metal-organic frameworks for rapid treatment of bacteria-infected wounds
Abstract
Abstract Owing to the increasing drug-resistance, antibiotics-free strategy is urgent for the therapy of bacterial infections. Herein, Cu2+ is introduced into the porphyrin ring of PCN 224, which enhances the photocatalytic property of MOFs. The doped Cu2+ could trap electrons, thus suppresses electron-hole recombination and accelerates the transfer of carriers under 660 nm light irradiation, thereby enhancing the yields of reactive oxygen species (ROS). Furthermore, the Cu-MOFs’ photothermal effect is strengthened due to the d–d transition. However, overdoping of Cu2+ weakens the photocatalytic and photothermal properties due to the trapping of more photo-electrons by Cu2+ and the decreased light absorption of porphyrin at 660 nm. Doping with 10% Cu2+ endows the MOFs with the best antibacterial efficacy of 99.71% against Staphylococcus aureus within 20 min because of the synergistic effects of ROS and heat. Furthermore, the in vivo results show that Cu2+-MOFs kill bacteria efficiently, thus accelerating wound healing.
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Citations
Cited by
Metal–Organic-Framework-Based Materials for Antimicrobial Applications
Li, R., Chen, T., & Pan, X. (2021) · ACS Nano · doi:10.1021/acsnano.0c09617 · Cited by 555
Zhou, L., Zheng, H., Liu, Z., Wang, S., Liu, Z., Chen, F., Zhang, H., Kong, J., Zhou, F., & Zhang, Q. (2021) · ACS Nano · doi:10.1021/acsnano.0c06287 · Cited by 382
Photocatalytic Antimicrobials: Principles, Design Strategies, and Applications
Ran, B., Ran, L., Wang, Z., Liao, J., Li, D., Chen, K., Cai, W., Hou, J., & Peng, X. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.3c00326 · Cited by 357
Hao, S., Han, H., Yang, Z., Chen, M., Jiang, Y., Lu, G., Dong, L., Wen, H., Li, H., Liu, J., et al. (2022) · Nano-Micro Letters · doi:10.1007/s40820-022-00901-w · Cited by 280
Cui, H., Liu, M., Yu, W., Cao, Y., Zhou, H., Yin, J., Liu, H., Que, S., Wang, J., Huang, C., et al. (2021) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.1c07409 · Cited by 116
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Metadata
- Authors
- Han, D., Han, Y., Li, J., Liu, X., Yeung, K. W. K., Zheng, Y., Cui, Z., Yang, X., Liang, Y., Li, Z., Zhu, S., Yuan, X., Feng, X., Yang, C., & Wu, S.
- Venue
- Applied Catalysis B: Environmental
- Publisher
- Elsevier BV
- Published
- 2020-02
- Volume
- 261
- Pages
- 118248
- ISSN
- 0926-3373 (ISSN-L)
- OpenAlex
- W2979187893
- Cited by
- 387
- References
- 0
- FWCI
- 16.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- Han, D., Han, Y., Li, J., Liu, X., Yeung, K. W. K., Zheng, Y., Cui, Z., Yang, X., Liang, Y., Li, Z., Zhu, S., Yuan, X., Feng, X., Yang, C., & Wu, S. (2020). Enhanced photocatalytic activity and photothermal effects of cu-doped metal-organic frameworks for rapid treatment of bacteria-infected wounds. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2019.118248
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