Preparation of NiFe2O4@MIL-101(Fe)/GO as a novel nanocarrier and investigation of its antimicrobial properties

Fatemeh Shateran; Mohammad Ali Ghasemzadeh; Seyyed Soheil Aghaei

doi:10.1039/d1ra08523a

Preparation of NiFe₂O₄@MIL-101(Fe)/GO as a novel nanocarrier and investigation of its antimicrobial properties

RSC Adv. 2022 Mar 2;12(12):7092-7102. doi: 10.1039/d1ra08523a. eCollection 2022 Mar 1.

Authors

Fatemeh Shateran¹, Mohammad Ali Ghasemzadeh¹, Seyyed Soheil Aghaei²

Affiliations

¹ Department of Chemistry, Qom Branch, Islamic Azad University Qom I. R. Iran Ghasemzadeh@qom-iau.ac.ir.
² Department of Microbiology, Qom Branch, Islamic Azad University Qom I. R. Iran.

Abstract

In this research, we have investigated a novel magnetic nanocomposite including NiFe₂O₄@MIL-101(Fe)/GO for the delivery of the antibiotic tetracycline (TC). Moreover, the antibacterial activity of NiFe₂O₄@MIL-101(Fe)/GO, NiFe₂O₄@MIL-101(Fe)/GO/TC and pure TC was evaluated by agar well diffusion and minimum inhibitory concentration (MIC) methods on both Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) bacteria. In addition, the cytotoxicity of NiFe₂O₄@MIL-101(Fe)/GO/TC on HeLa cells was determined by an MTT assay which showed good results. The structure of the prepared nanocarrier was investigated by various spectroscopic techniques such as Fourier-transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Brunauer-Emmett-Teller (BET), and thermal gravimetric analysis (TGA). The results of this study showed that 98% of the TC was loaded on the synthesized nanocomposite. Drug release occurred at pH: 7.4 (phosphate buffer saline) and pH: 5.0 (acetate buffer) within 3 days, resulting in 77% and 85% release of the drug, respectively.