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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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Jaafar, Juhana
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Topics
Publications (6/6 displayed)
- 2022Applications of Alginate-Based Nanomaterials in Enhancing the Therapeutic Effects of Bee Productscitations
- 2021Modification of zeolitic imidazolate framework-8 with amine groups for improved antibacterial activitycitations
- 2020Enhanced performance and antibacterial properties of amine-functionalized ZIF-8-decorated GO for ultrafiltration membranecitations
- 2020Eco-friendly method for synthesis of zeolitic imidazolate framework 8 decorated graphene oxide for antibacterial activity enhancementcitations
- 2018Nanocomposite membrane-based photocatalytic reactor for degradation of endocrine-disrupting compound in water
- 2017Stability study of PVDF/TiO2 dual layer hollow fibre membranes under long-term UV irradiation exposurecitations
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article
Eco-friendly method for synthesis of zeolitic imidazolate framework 8 decorated graphene oxide for antibacterial activity enhancement
Abstract
e report a rapid method for synthesis of zeolitic imidazolate framework 8 (ZIF-8)-decorated graphene oxide (GO) composites (ZGO) with good antibacterial properties. The ZGO composites were synthesized at room temperature with low GO to metal salt ratios. The samples were characterized by X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy, thermal gravimetric analysis, and surface area analysis. The characterization results show that ZIF-8 with a size of approximately 120 nm is successfully decorated on the surface of GO sheets with the host ZIF-8 framework maintained in the synthesized composite, but there is a significant reduction in the Brunauer–Emmett–Teller surface area. The antibacterial activities of the samples against Escherichia coli ATCC 11229 and Staphylococcus aureus ATCC 6538 as model strains of gram-negative and -positive bacteria, respectively, were determined by disc diffusion and minimum inhibitory concentration (MIC) tests. ZGO-1.0 (1 wt% of ratio of GO to metal salt) shows the highest antibacterial activity with MIC values required to inhibit bacterial growth of E. coli and S. aureus of 5 times lower than those of pristine ZIF-8. Different antibacterial mechanisms are proposed based on field-emission scanning electron microscope images of the two bacteria after contact with the synthesized composite. Overall, owing to the simple synthesis, good stability, low chemical usage, and excellent antibacterial activity of the ZGO composites, they show great potential for application in the field of microbial contamination control.