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Preparation of copper nanoparticles coated cellulose films with antibacterial properties through one-step reduction
Abstract
Regenerated cellulose (RC) films coated with copper (Cu) nanoparticles were prepared from cellulose-cuprammonium solution through coagulation in aq. NaOH and subsequent reduction in aq. NaBH4. Structure and morphology of the nanocomposite films were characterized with X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM). The results established the migration of Cu(2+) from the inner to the surface of the RC films during the coagulation of cellulose-cuprammonium solution and the reduction from Cu(2+) to Cu(0). Cu nanoparticles were found to be firmly embedded on the surface of the RC films. The RC films coated with Cu nanoparticles showed efficient antibacterial activity against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli). The dramatic reduction of viable bacteria could be observed within 0.5 h of exposure, and all of the bacteria were killed within 1 h.
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Citations
Cited by
Antimicrobial Copper-Based Materials and Coatings: Potential Multifaceted Biomedical Applications
Mitra, D., Kang, E.-T., & Neoh, K. G. (2020) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.9b17815 · Cited by 322
Current developments in antimicrobial surface coatings for biomedical applications
Swartjes, J. J. T. M., Sharma, P. K., Kooten, T. G., Mei, H. C., Mahmoudi, M., Busscher, H. J., & Rochford, E. T. J. (2015) · Current Medicinal Chemistry · doi:10.2174/0929867321666140916121355 · Cited by 149
Neufeld, M. J., Harding, J. L., & Reynolds, M. M. (2015) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.5b08773 · Cited by 116
Metadata
- Authors
- Jia, B., Mei, Y., Cheng, L., Zhou, J., & Zhang, L.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-06-18
- Volume
- 4
- Issue
- 6
- Pages
- 2897-2902
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2334812703
- Cited by
- 253
- References
- 0
- FWCI
- 6.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Preparation of copper nanoparticles coated cellulose films with antibacterial properties through one-step reduction. https://app.cochat.ai/papers/10.1021/am3007609
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- Jia, B., Mei, Y., Cheng, L., Zhou, J., & Zhang, L. (2012). Preparation of copper nanoparticles coated cellulose films with antibacterial properties through one-step reduction. ACS Applied Materials & Interfaces. https://doi.org/10.1021/am3007609
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