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Antibacterial, antibiofilm, and photocatalytic activities of metals-substituted spinel cobalt ferrite nanoparticles
Abstract
This study reports the photocatalytic degradation of Methylene Blue (MB) dye (a class of dyestuffs that are resistant to biodegradation) under the influence of UV-light irradiation. Antibacterial and antibiofilm activities of ferrite nanoparticles (FO NPs) were examined against some pathogenic bacteria isolated from the medical operating room surfaces. In the same context, metals-substituted spinel cobalt ferrite nanoparticles with nominal composition [MxCo1-xFe2O4 NPs; (M = Zn, Cu, Mn; x = 0.0, 0.25, 0.5 and 0.75)] were synthesized by citrate sol-gel method. Also, the structures of the synthesized FO NPs were characterized by X-ray diffraction, and Williamson-Hall (WH) method was used to determine the crystallite size. The estimated specific surface area is found in the range from 37.99 to 107.05 m2/g, between the synthesized ferrites, Zn0.5Co0.5Fe2O4 NPs have average pore radius 1.84 nm and the pore volume was 0.136 ml/g. SEM images revealed that, the synthesized FO NPs have an unique pores and uniformly distribution, while EDX spectra shows the elemental composition for the synthesized FO NPs. The elastic properties of FO NPs have been estimated using FTIR data, whereas (M - H) hysteresis loops revealed that, by replacing cobalt ions with Zn, Cu, and Mn ions the magnetic behaviour changed from ferromagnetic to paramagnetic. Results obtained from the photocatalysis indicated that Mn0.75Co0.25Fe2O4 NPs (30.0 mg) were a promising photocatalyst achieving 96.0% removal of MB after 100 min of UV-light exposure in the alkaline solution. Antibacterial results showed that the most effective combination was Zn0.75Co0.25Fe2O4 NPs (20.0 ppm) displaying activity against Staphylococcus aureus, Enterococcus columbae, and Aerococcus viridians by 15.0, 13.0, and 12.0 mm ZOI, respectively. Additionally, Zn0.75Co0.25Fe2O4 NPs were active as antibiofilm factors producing activity by 63.7, 57.9, and 45.5% towards S. aureus, A. viridians, and E. columbae, respectively. Accordingly, Zn0.75Co0.25Fe2O4 and Mn0.75Co0.25Fe2O4 NPs can be utilized in industrial, biological and medical applications.
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Cites
Methods for in vitro evaluating antimicrobial activity: A review
Balouiri, M., Sadiki, M., & Ibnsouda, S. K. (2016) · Journal of Pharmaceutical Analysis · doi:10.1016/j.jpha.2015.11.005 · Cited by 8,044
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(2020) · IntechOpen eBooks · doi:10.5772/intechopen.87879 · Cited by 384
Insight on water remediation application using magnetic nanomaterials and biosorbents
Abdel Maksoud, M. I. A., Elgarahy, A. M., Farrell, C., Al-Muhtaseb, A. H., Rooney, D. W., & Osman, A. I. (2020) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2019.213096 · Cited by 374
El-Khawaga, A. M., Elsayed, M. A., Gobara, M., Suliman, A. A., Hashem, A. H., Zaher, A. A., Mohsen, M., & Salem, S. S. (2025) · Biomass Conversion and Biorefinery · doi:10.1007/s13399-023-04827-0 · Cited by 148
Self-citationThabet, N. M., Abdel-Rafei, M. K., El-Sayyad, G. S., Elkodous, M. A., Shaaban, A., Du, Y.-C., Rashed, L. A., & Askar, M. A. (2022) · Cancer Nanotechnology · doi:10.1186/s12645-022-00122-1 · Cited by 7
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Metadata
- Authors
- Maksoud, M. I. A. A., El-Sayyad, G. S., Ashour, A. H., El-Batal, A. I., Elsayed, M. A., Gobara, M., El-Khawaga, A. M., Abdel-Khalek, E. K., & El-Okr, M. M.
- Venue
- Microbial Pathogenesis
- Publisher
- Elsevier BV
- Published
- 2019-02
- Volume
- 127
- Pages
- 144-158
- ISSN
- 0882-4010 (ISSN-L)
- OpenAlex
- W2902165213
- Cited by
- 201
- References
- 1
- FWCI
- 7.50
- Type
- journal article
- Language
- en
- Open access
- closed
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