التفاصيل البيبلوغرافية
| العنوان: |
Identification of Fe3+ co-doped zinc titanate mesostructures using dielectric and antimicrobial activities. |
| المؤلفون: |
El Nahrawy, A. M., Bakr, A. M., Hemdan, B. A., Abou Hammad, A. B. |
| المصدر: |
International Journal of Environmental Science & Technology (IJEST); Nov2020, Vol. 17 Issue 11, p4481-4494, 14p |
| مستخلص: |
Mesostructures Fe2O3 co-doped zinc titanate was excellently produced through the solgel method. The phase structure of zinc titanate transfers from a rhombohedral perovskite structure (ZnTiO3) to a cubic spinel structure (Zn2TiO4) with the incorporation of iron ions (Fe3+). Its high values characterize the dielectric constant decreases through the frequency range and the loss tangent at low frequency. Cole–Cole spectra reveal two semicircles that represent two relaxations processes in the samples. The antimicrobial properties for all tested nanosized particles against Gram-negative, Gram-positive bacteria, Candida albicans as an example for yeast and Aspergillus niger as an example for mold were evaluated. The results showed that 15 Fe2O3–zinc titanate was the most potent biocide, followed by 10 Fe2O3–zinc titanates and 5 Fe2O3–zinc titanate. In regards to the MIC values of 15Fe–Zn titanate against explored pathogenic microbes were for 45 min for E.coli, 30 min for S. entercia, and 60 min for the Gram-positive and fungal species. Hence, the results acquired suggested that 15Fe–Zn titanate nanopowder could be used for biomedical applications such as wounds and burns healing. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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