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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jahangir, Muhammad
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2024Harnessing the power of multifunctional γ-Fe2O3@CuO nanocompositescitations
- 2024Zinc‐based metal–organic frameworks for encapsulation and sustained release of ciprofloxacin for excellent antibacterial activitiescitations
- 2024Highly synergistic antibacterial activity of copper (II)-based nano metal–organic frameworkcitations
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article
Harnessing the power of multifunctional γ-Fe2O3@CuO nanocomposites
Abstract
<p>Waterborne diseases and carcinogenic effects associated with heavy metal poisoning have drawn considerable attentionto removing heavy metals from contaminated water and killing disease-causing bacteria. In this regard, γ-Fe<sub>2</sub>O<sub>3</sub> nanoparticles (NPs) were synthesized by ion reduction method, while CuO NPsand γ-Fe<sub>2</sub>O<sub>3</sub>–CuO nanocomposites (NCs) by hydrothermal method. XRD, FTIR, FESEM, EDX and UV–visible spectroscopy were used for system characterization. The dumbbell shape of CuO NPs and spherical shape of γ-Fe<sub>2</sub>O<sub>3</sub> NPs and γ-Fe<sub>2</sub>O<sub>3</sub>@CuO NCs were indicated via SEM analysis. The elemental composition and successful synthesis of γ-Fe<sub>2</sub>O<sub>3</sub>@CuONCs were confirmed by EDX results. The order for elemental composition: O > Cu > Fe showed the higher content ratio of Cu and O while Fe has the lowest content. The antibacterial activities against E. Coli and B. subtili were evaluated by Minimum Inhibitory Concentration (MIC) and Zone of Inhibition. γ-Fe<sub>2</sub>O<sub>3</sub>@CuO NCs showed excellent antibacterial performance as compared to γ-Fe<sub>2</sub>O<sub>3</sub> NPs,CuO NPs, commercial Cu NPs and Cu salt. The drastic improvement in properties of γ-Fe<sub>2</sub>O<sub>3</sub>@CuO NCs resulted in better surface contact and extensive cell membranes rupture to eliminate bacterial pathogens present in wastewater Batch adsorption experiments were performed for selective removal of toxic Pb<sup>2+</sup> ionsexisting in polluted water. The greatest adsorption capacity was determined to be 346 mg/g, and the highest removal percentage of 95 % was achieved at pH 4 in 60 min. Isotherm models and kinetic studies indicated that Pb<sup>2+</sup> ions followed pseudo-second-order kinetics. The results obtained from batch adsorption experiment revealed γ-Fe<sub>2</sub>O<sub>3</sub>@CuO NCs as effective nanosorbent for quick elimination of toxic metal ions from industrial wastewater.</p>