Essential oils and mono/Bi/tri-metallic nanocomposites as alternative sources of antimicrobial agents to combat multidrug-resistant pathogenic microorganisms: An overview

Nagaraj Basavegowda, Jayanta Kumar Patra, Kwang Hyun Baek

Research output: Contribution to journalReview articlepeer-review

58 Scopus citations

Abstract

Over the past few decades, many pathogenic bacteria have become resistant to existing antibiotics, which has become a threat to infectious disease control worldwide. Hence, there has been an extensive search for new, efficient, and alternative sources of antimicrobial agents to combat multidrug-resistant pathogenic microorganisms. Numerous studies have reported the potential of both essential oils and metal/metal oxide nanocomposites with broad spectra of bioactivities including antioxidant, anticancer, and antimicrobial attributes. However, only monometallic nanoparticles combined with essential oils have been reported on so far with limited data. Bi- and tri-metallic nanoparticles have attracted immense attention because of their diverse sizes, shapes, high surface-to-volume ratios, activities, physical and chemical stability, and greater degree of selectivity. Combination therapy is currently blooming and represents a potential area that requires greater attention and is worthy of future investigations. This review summarizes the synergistic effects of essential oils with other antimicrobial combinations such as mono-, bi-, and tri-metallic nanocomposites. Thus, the various aspects of this comprehensive review may prove useful in the development of new and alternative therapeutics against antibiotic resistant pathogens in the future.

Original languageEnglish
Article number1058
JournalMolecules
Volume25
Issue number5
DOIs
StatePublished - 27 Feb 2020

Keywords

  • Antimicrobial activities
  • Bi-metallic nanoparticles
  • Essential oil
  • Multidrug-resistant pathogens
  • Synergistic effect
  • Tri-metallic nanoparticles

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