Cited by 45Antifungal resistance and susceptibilityAntimicrobial agents and applicationsBacterial biofilms and quorum sensing

Efficacy of surface-generated nitric oxide against Candida albicans adhesion and biofilm formation

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Privett, Benjamin J., Nutz, Steven T., Schoenfisch, Mark H.·2010·Biofouling

Abstract

This report details the efficacy of nitric oxide (NO)-releasing xerogel surfaces composed of N-(6-aminohexyl)aminopropyl trimethoxysilane (AHAP3) and isobutyltrimethoxysilane (BTMOS) against Candida albicans adhesion, viability, and biofilm formation. A parallel plate flow cell assay was used to examine the effect of NO on planktonic fungal cells. Nitric oxide fluxes as low as 14 pmol cm(-2) s(-1) were sufficient to reduce fungal adhesion by ∼49% over the controls after 90 min. By utilizing a fluorescence live/dead assay and replicate plating, NO flux was determined to reduce fungal viability in a dose-dependent manner. The formation of C. albicans biofilms on NO-releasing xerogel-coated silicon rubber (SiR) coupons was impeded when compared to control (non-NO-releasing) and bare SiR surfaces. The synergistic efficacy of NO and silver sulfadiazine against adhered fungal cells and biofilms is reported with increased killing and biofilm inhibition over NO alone.

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Crossref · 10.1080/08927014.2010.534552

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Authors
Privett, B. J., Nutz, S. T., & Schoenfisch, M. H.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Schoenfisch, Mark H.
Venue
Biofouling
Published
2010-10-27
Volume
26
Issue
8
Pages
973-983
ISSN
  • 0892-7014 (ISSN-L)
  • 1029-2454
OpenAlex
W2040405038
Cited by
45
References
54
Citations by year
2024: 2 · 2023: 4 · 2022: 4 · 2021: 2 · 2020: 3 · 2019: 2 · 2017: 4 · 2016: 2 · 2015: 5 · 2014: 3 · 2013: 3 · 2012: 9
FWCI
2.90
Type
journal article
Language
en
Open access
Locations
  • Biofouling (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • UNC Libraries
Funders
  • National Institutes of Health
  • National Institute of Biomedical Imaging and Bioengineering (EB 000708, R01EB000708)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Physical Sciences › Chemistry › Organic Chemistry › Antimicrobial agents and applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Keywords
nitric oxide, Candida albicans, fungal adhesion, biofilm formation, antifungal coatings, silver sulfadiazine, antifungal synergy, silicone rubber
MeSH terms
Anti-Infective Agents, Local, Azo Compounds, Candida albicans, Catheters, Indwelling, Cell Adhesion, Dose-Response Relationship, Drug, Humans, Nitric Oxide, Silanes, Silver Sulfadiazine, Biofilms

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