Nanocrystalline chloroxine possesses broad-spectrum antimicrobial activities and excellent skin tolerability in mice

Jirí Trousil*, Jana Matejková, You Shan Dai, Tomáš Urbánek, Miroslav Šlouf, Miša Škorič, Tomáš Nejedlý, Martin Hrubý, Jia You Fang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

1 Scopus citations

Abstract

Background: Antimicrobial submicrometer particles are being studied as promising interventions against a wide range of skin conditions, such as fungal or bacterial infections. Aims: To submicronize chloroxine, the crystalline compound 5,7-dichloro-8-hydroxyquinoline, by nanoprecipitation and characterize the resulting assemblies. Methods: The chloroxine particles were stabilized by a nonionic surfactant and were studied by a broth microdilution assay against 20 medically important bacteria and fungi. The intervention was studied using a murine model of skin irritation. Results & conclusion: Chloroxine nanoparticles with a diameter of 600-800 nm exhibit good tolerability in terms of skin irritation in vivo and good antimicrobial activity. Thus, the fabricated formulation shows great promise for interventions for both cutaneous infection control and prophylaxis.

Original languageEnglish
Pages (from-to)137-149
Number of pages13
JournalNanomedicine
Volume17
Issue number3
DOIs
StatePublished - 02 2022

Bibliographical note

Publisher Copyright:
© 2022 Future Medicine Ltd.

Keywords

  • dermal infections
  • dermal safety
  • nanomedicine
  • nanoparticle-based intervention
  • submicronization

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