Robust Copper Metal–Organic Framework-Embedded Polysiloxanes for Biomedical Applications: Its Antibacterial Effects on MRSA and In Vitro Cytotoxicity
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of the Cu-MOF
2.2. Preparation of PS and the Cu-MOF-Embedded PS (PS@Cu-MOF)
2.3. Instrumentation
2.4. Mechanical Properties of the PS@Cu-MOF
2.5. Degradation and Metal Ion Release Tests
2.6. Antibacterial Tests
2.7. Cytotoxicity Assays
3. Results and Discussion
3.1. Preparation of the Cu-MOF-Embedded PS (PS@Cu-MOF)
3.2. Characterization of the PS@Cu-MOF
3.3. Mechanical Properties of PS@Cu-MOF
3.4. Antibacterial Activity Tests
3.5. Ion Release Tests
3.6. Cytotoxicity of PS@Cu-MOF
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Test Items | Test Results a,b | |||
---|---|---|---|---|
Early Conc. (cfu⋅mL−1) | After 24 h, Conc. (cfu⋅mL−1) | Reduction Rate of Bacteria (%) | ||
E. coli | blank | 3.4 × 105 | 9.8 × 106 | - |
PS | 3.4 × 105 | 5.4 × 106 | 44.8 | |
blank | 1.2 × 105 | 3.8 × 106 | - | |
PS@Cu-MOF | 1.2 × 105 | 4.3 × 105 | 88.6 | |
S. aureus | blank | 3.6 × 105 | 9.1 × 106 | - |
PS | 3.6 × 105 | 6.2 × 106 | 31.8 | |
blank | 1.6 × 105 | 2.2 × 106 | - | |
PS@Cu-MOF | 1.6 × 105 | 2.7 × 105 | 87.7 | |
MRSA | blank | 3.6 × 105 | 9.0 × 106 | - |
PS | 3.6 × 105 | 7.2 × 106 | 20.0 | |
blank | 3.0 × 105 | 9.8 × 105 | - | |
PS@Cu-MOF | 3.0 × 105 | 1.8 × 105 | 81.6 |
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Gwon, K.; Kim, Y.; Cho, H.; Lee, S.; Yang, S.-H.; Kim, S.-J.; Lee, D.N. Robust Copper Metal–Organic Framework-Embedded Polysiloxanes for Biomedical Applications: Its Antibacterial Effects on MRSA and In Vitro Cytotoxicity. Nanomaterials 2021, 11, 719. https://doi.org/10.3390/nano11030719
Gwon K, Kim Y, Cho H, Lee S, Yang S-H, Kim S-J, Lee DN. Robust Copper Metal–Organic Framework-Embedded Polysiloxanes for Biomedical Applications: Its Antibacterial Effects on MRSA and In Vitro Cytotoxicity. Nanomaterials. 2021; 11(3):719. https://doi.org/10.3390/nano11030719
Chicago/Turabian StyleGwon, Kihak, Youngmee Kim, Hyunjun Cho, Seonhwa Lee, So-Hyeon Yang, Sung-Jin Kim, and Do Nam Lee. 2021. "Robust Copper Metal–Organic Framework-Embedded Polysiloxanes for Biomedical Applications: Its Antibacterial Effects on MRSA and In Vitro Cytotoxicity" Nanomaterials 11, no. 3: 719. https://doi.org/10.3390/nano11030719