Biofilm Interaction Studies in Medical Applications

Biofilms are structured communities of microorganisms adhered to surfaces and encased within a self-produced matrix. In medical contexts these communities colonise implants, wound sites, contact lenses and other devices, leading to persistent infections and treatment failures. The extracellular matrix, composed of polysaccharides, proteins and nucleic acids, protects resident microbes from antibiotics and host immune responses. Interactions between microbial cells within biofilms and with surrounding tissues involve chemical signalling, nutrient gradients and dynamic gene expression changes that promote tolerance and resistance. Advances in imaging and analytical methods have revealed the heterogeneity of biofilms, shedding light on the interplay between bacterial, fungal and host factors. Exploring these interactions has informed strategies to prevent colonisation, disrupt established biofilms and enhance device biocompatibility. Novel approaches range from surface modifications and antimicrobial coatings to electrochemical platforms that generate reactive species. Understanding the mechanistic basis of biofilm formation, maturation and dispersion in diverse medical settings is critical for developing more effective prophylactic and therapeutic interventions worldwide.

Research from Nature Portfolio

Innovative electrochemical platforms have emerged as potent antibiofilm interventions. One seminal study introduced a hypochlorous-acid-generating scaffold that, when applied to wound models, eradicated biofilms of Staphylococcus aureus, Acinetobacter baumannii and Pseudomonas aeruginosa without harming host tissues. The controlled production of antimicrobial oxidants at the scaffold surface provided sustained activity over several hours. Building on this, subsequent work demonstrated enhanced eradication of wound biofilms by combining hydrogen-peroxide-generating scaffolds with hyperosmotic agents such as maltodextrin. This combination disrupted biofilm structure and improved oxidant diffusion, achieving multi-log reductions in viable cells. These electrochemical approaches offer antibiotic-free strategies for treating chronic and device-related infections by harnessing in situ generation of reactive species to overcome traditional resistance mechanisms.

Biofilm Interaction Studies in Medical Applications publication trend

The graph below shows the total number of articles in biofilm interaction studies in medical applications across all publications each year (not limited to Nature Index journals).

Technical terms

Biofilm: A community of microorganisms attached to a surface and embedded in a self-generated matrix that confers protection and altered physiology.

Extracellular polymeric substance (EPS): The complex mixture of polysaccharides, proteins and nucleic acids secreted by biofilm cells, forming the structural scaffold of the community.

Electrochemical scaffold (e-scaffold): A conductive dressing that generates antimicrobial oxidants such as hypochlorous acid or hydrogen peroxide through applied electrical potential.

Digital holographic tomography: A label-free imaging technique that reconstructs three-dimensional refractive index maps of transparent samples for quantitative analysis.

Liposome: A nanoscale vesicle composed of lipid bilayers used to encapsulate and deliver bioactive compounds to target biofilms or tissues.

References

1. Hypochlorous-Acid-Generating Electrochemical Scaffold for Treatment of Wound Biofilms. Scientific Reports (2019).
2. Maltodextrin enhances biofilm elimination by electrochemical scaffold. Scientific Reports (2016).
3. Quantifying the Dynamics of Bacterial Biofilm Formation on the Surface of Soft Contact Lens Materials Using Digital Holographic Tomography to Advance Biofilm Research. International Journal of Molecular Sciences (2024).
4. Anti-Staphylococcal Biofilm Effects of a Liposome-Based Formulation Containing Citrus Polyphenols. Antibiotics (2024).
5. Cold atmospheric plasma-assisted deposition of ammonium functionalized glass coatings for enhanced antibacterial properties. Journal of Materials Chemistry C (2025).