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Related Experiment Video

Updated: Nov 22, 2025

Development and Characterization of In Vitro Microvessel Network and Quantitative Measurements of Endothelial [Ca2+]i and Nitric Oxide Production
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Nitric Oxide Delivery Using Biocompatible Perfluorocarbon Microemulsion for Antibacterial Effect.

Moonhyun Choi1, Sohyeon Park1, Kyungtae Park1

  • 1Department of Chemical and Biomolecular Engineering, College of Engineering, Yonsei University 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.

ACS Biomaterials Science & Engineering
|January 6, 2021
PubMed
Summary

Nitric oxide (NO)-releasing perfluorooctane microemulsions show high biocompatibility and effectively kill bacteria. These NO-releasing materials are promising for biomedical applications like wound healing and as antibacterial agents.

Keywords:
antibacterial effectbiocompatibilitymicroemulsionnitric oxide deliveryperfluorocarbon

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Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Microbiology

Background:

  • Nitric oxide (NO) is a crucial signaling molecule involved in numerous physiological and pathophysiological processes.
  • Developing materials that can release NO for biomedical applications is a significant area of research.
  • Perfluorocarbon (PFC) liquids exhibit a high capacity for dissolving gases like NO, exceeding that of water-based fluids.

Purpose of the Study:

  • To prepare and characterize nitric oxide (NO)-releasing perfluorooctane (PFO) microemulsions (MEs).
  • To evaluate the biocompatibility and antibacterial efficacy of these NO-releasing PFO MEs.

Main Methods:

  • A simple and efficient method was employed to synthesize NO-releasing PFO MEs.
  • Cytotoxicity assays were performed using human dermal fibroblasts (HDFs) to assess biocompatibility.
  • Antibacterial activity was tested against Staphylococcus aureus to determine the efficacy of NO release.

Main Results:

  • The NO-loaded PFO MEs demonstrated high biocompatibility with human dermal fibroblasts.
  • NO-releasing PFO MEs significantly accelerated the death of Staphylococcus aureus at higher concentrations.
  • NO-unloaded PFO MEs did not exhibit the same accelerated antibacterial effect.

Conclusions:

  • NO-releasing PFO microemulsions are a promising platform for NO delivery in biomedical settings.
  • These materials exhibit excellent biocompatibility and potent antibacterial properties.
  • Potential applications include wound healing and the development of novel antibacterial agents.