Antimicrobial activity of menthol modified nanodiamond particles

Volodymyr Turcheniuk, Viktoria Viktoria, Rahaf Issa, Ian Cooper, Peter Cragg, Roxana Jijie, Nicoleta Dumitrascu, Lyuba Mikhalovska, Alexandre Barras, Vladimir Zaitsev, Rabah Boukherroub, Sabine Szunerits

Research output: Contribution to journalArticle

Abstract

Advances in nanotechnology have seen the development of several microbiocidal nanoparticles displaying activity against biofilms. These applications benefit from one or more combinations of the nanoparticles properties. Nanoparticles may indeed concentrate drugs on their surface resulting in polyvalent effects and improved efficacy to fight against bacteria. Nanodiamonds (NDs) are among the most promising new materials for biomedical applications. We elucidate in this paper the effect of menthol modified nanodiamond particles (ND-menthol) on bacterial viability against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria. We show that while ND-menthol particles are non-toxic to both pathogens, they show significant antibiofilm activity. The presence of ND-menthol particles reduce biofilm formation more efficiently than free menthol, unmodified oxidized NDs and ampicillin, a commonly used antibiotic. Our findings might be thus a step forward towards the development of alternative non antibiotic based strategies targeting bacterial infections.
Original languageEnglish
Pages (from-to)2-8
Number of pages7
JournalDiamond and Related Materials
Volume57
DOIs
Publication statusPublished - 18 Dec 2014

Bibliographical note

© 2014. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • Nanodiamond particles
  • Menthol
  • Functionalization
  • Antimicrobial activity
  • Biofilm inhibition

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