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10.3390/nano11061415
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Article

Hybrid Materials Based on Multi-Walled Carbon Nanotubes and Nanoparticles with Antimicrobial Properties

by
Madalina Elena David
1,2,*,
Rodica-Mariana Ion
1,2,
Ramona Marina Grigorescu
1,
Lorena Iancu
1,
Alina Maria Holban
3,
Adrian Ionut Nicoara
4,
Elvira Alexandrescu
1,
Raluca Somoghi
1,
Mihaela Ganciarov
1,
Gabriel Vasilievici
1 and
Anca Irina Gheboianu
5
1
National Institute for Research & Development in Chemistry and Petrochemistry - ICECHIM, 060021 Bucharest, Romania
2
Doctoral School of Materials Engineering Department, Valahia University of Targoviste, 130004 Targoviste, Romania
3
Faculty of Biology, University of Bucharest, 060101 Bucharest, Romania
4
Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 011061 Bucharest, Romania
5
Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania
*
Author to whom correspondence should be addressed.
Nanomaterials 2021, 11(6), 1415; https://doi.org/10.3390/nano11061415
Submission received: 27 April 2021 / Revised: 20 May 2021 / Accepted: 25 May 2021 / Published: 27 May 2021
(This article belongs to the Special Issue Antibacterial Applications of Nanomaterials)
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Abstract

In this study, multi-walled carbon nanotubes (MWCNTs) were decorated with different types of nanoparticles (NPs) in order to obtain hybrid materials with improved antimicrobial activity. Structural and morphological analysis, such as Fourier transformed infrared spectroscopy, Raman spectroscopy, X-ray diffraction, transmission electron microscopy, environmental scanning electron microscopy/energy-dispersive X-ray spectroscopy and the Brunauer–Emmett–Teller technique were used in order to investigate the decoration of the nanotubes with NPs. Analysis of the decorated nanotubes showed a narrow size distribution of NPs, 7–13 nm for the nanotubes decorated with zinc oxide (ZnO) NPs, 15–33 nm for the nanotubes decorated with silver (Ag) NPs and 20–35 nm for the nanotubes decorated with hydroxyapatite (HAp) NPs, respectively. The dispersion in water of the obtained nanomaterials was improved for all the decorated MWCNTs, as revealed by the relative absorbance variation in time of the water-dispersed nanomaterials. The obtained nanomaterials showed a good antimicrobial activity; however, the presence of the NPs on the surface of MWCNTs improved the nanocomposites’ activity. The presence of ZnO and Ag nanoparticles enhanced the antimicrobial properties of the material, in clinically relevant microbial strains. Our data proves that such composite nanomaterials are efficient antimicrobial agents, suitable for the therapy of severe infection and biofilms.
Keywords: hybrid materials; decorated nanotubes; nanoparticles; antimicrobial properties; biofilm control hybrid materials; decorated nanotubes; nanoparticles; antimicrobial properties; biofilm control

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MDPI and ACS Style

David, M.E.; Ion, R.-M.; Grigorescu, R.M.; Iancu, L.; Holban, A.M.; Nicoara, A.I.; Alexandrescu, E.; Somoghi, R.; Ganciarov, M.; Vasilievici, G.; et al. Hybrid Materials Based on Multi-Walled Carbon Nanotubes and Nanoparticles with Antimicrobial Properties. Nanomaterials 2021, 11, 1415. https://doi.org/10.3390/nano11061415

AMA Style

David ME, Ion R-M, Grigorescu RM, Iancu L, Holban AM, Nicoara AI, Alexandrescu E, Somoghi R, Ganciarov M, Vasilievici G, et al. Hybrid Materials Based on Multi-Walled Carbon Nanotubes and Nanoparticles with Antimicrobial Properties. Nanomaterials. 2021; 11(6):1415. https://doi.org/10.3390/nano11061415

Chicago/Turabian Style

David, Madalina Elena, Rodica-Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Alina Maria Holban, Adrian Ionut Nicoara, Elvira Alexandrescu, Raluca Somoghi, Mihaela Ganciarov, Gabriel Vasilievici, and et al. 2021. "Hybrid Materials Based on Multi-Walled Carbon Nanotubes and Nanoparticles with Antimicrobial Properties" Nanomaterials 11, no. 6: 1415. https://doi.org/10.3390/nano11061415

APA Style

David, M. E., Ion, R.-M., Grigorescu, R. M., Iancu, L., Holban, A. M., Nicoara, A. I., Alexandrescu, E., Somoghi, R., Ganciarov, M., Vasilievici, G., & Gheboianu, A. I. (2021). Hybrid Materials Based on Multi-Walled Carbon Nanotubes and Nanoparticles with Antimicrobial Properties. Nanomaterials, 11(6), 1415. https://doi.org/10.3390/nano11061415

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