Magnetite Nanoparticles and Essential Oils Systems for Advanced Antibacterial Therapies - PubMed (original) (raw)

Review

Magnetite Nanoparticles and Essential Oils Systems for Advanced Antibacterial Therapies

Antonio David Mihai et al. Int J Mol Sci. 2020.

Abstract

Essential oils (EOs) have attracted considerable interest in the past few years, with increasing evidence of their antibacterial, antiviral, antifungal, and insecticidal effects. However, as they are highly volatile, the administration of EOs to achieve the desired effects is challenging. Therefore, nanotechnology-based strategies for developing nanoscaled carriers for their efficient delivery might offer potential solutions. Owing to their biocompatibility, biodegradability, low toxicity, ability to target a tissue specifically, and primary structures that allow for the attachment of various therapeutics, magnetite nanoparticles (MNPs) are an example of such nanocarriers that could be used for the efficient delivery of EOs for antimicrobial therapies. The aim of this paper is to provide an overview of the use of EOs as antibacterial agents when coupled with magnetite nanoparticles (NPs), emphasizing the synthesis, properties and functionalization of such NPs to enhance their efficiency. In this manner, systems comprising EOs and MNPs could offer potential solutions that could overcome the challenges associated with biofilm formation on prosthetic devices and antibiotic-resistant bacteria by ensuring a controlled and sustained release of the antibacterial agents.

Keywords: antibacterial nanotherapies; antibiotic-resistant bacteria; essential oils; magnetite nanoparticles; nanoscaled carriers.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1

The main bioactive properties of EOs.

Figure 2

The main mechanisms involved in the antibacterial activities of EOs. Adapted from “Role of essential oils in food safety: antimicrobial and antioxidant applications” by Bhavaniramya et al., 2019 [25]. ATP = adenosine triphosphate.

Figure 3

The main synthesis methods for the preparation of MNPs.

Figure 4

The main functionalization strategies for MNPs.

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Magnetite Nanoparticles and Essential Oils Systems for Advanced Antibacterial Therapies - PubMed (original) (raw)