Related Experiment Video
Updated: Sep 10, 2025
11:19
Oral Biofilm Formation on Different Materials for Dental Implants
Published on: June 24, 2018
11.6K
Targeting Bacterial Biofilms on Medical Implants: Current and Emerging Approaches
Alessandro Calogero Scalia1, Ziba Najmi1
1Department of Health Sciences, Center for Translational Research on Autoimmune & Allergic Diseases, CAAD, University of Piemonte Orientale, Corso Trieste 15/A, 28100 Novara, Italy.
Antibiotics (Basel, Switzerland)
|August 28, 2025
Summary
Biofilms on medical devices cause persistent infections and costly revisions. Novel surface modifications using non-antibiotic agents offer a promising strategy to prevent biofilm formation and combat antimicrobial resistance.
Area of Science:
- Microbiology
- Biomaterials Science
- Infectious Diseases
Background:
- Biofilms are microbial communities causing significant environmental and clinical issues, including widespread infections and medical device colonization.
- Biofilm-associated infections account for 80% of microbial infections, leading to chronic conditions, implant failure, and increased mortality, with substantial economic impact.
- Current treatments for biofilm infections are often ineffective, necessitating surgical intervention and contributing to antimicrobial resistance.
Purpose of the Study:
- To review recent advancements in surface modification of medical devices for preventing bacterial adhesion and biofilm formation.
- To explore the use of non-antibiotic agents in surface functionalization to enhance antifouling and biofilm eradication properties.
- To highlight strategies that reduce reliance on antibiotics and mitigate the development of antimicrobial resistance.
Main Methods:
- Review of literature on chemical surface functionalization techniques for medical devices.
- Analysis of non-antibiotic agents, including enzymes, chelating agents, quorum sensing inhibitors, biosurfactants, oxidizing compounds, and nanoparticles.
- Evaluation of strategies for enhancing antifouling and mature biofilm eradication.
Main Results:
- Surface modification using non-antibiotic agents shows promise in preventing bacterial attachment and biofilm development on medical devices.
- Various agents like enzymes, nanoparticles, and biosurfactants demonstrate efficacy in antifouling and biofilm disruption.
- These innovative approaches offer alternatives to conventional antibiotic treatments for device-associated infections.
Conclusions:
- Chemical surface functionalization with non-antibiotic agents represents a key strategy to combat medical device-associated biofilm infections.
- These methods have the potential to significantly reduce the incidence of chronic infections, implant failures, and the need for revision surgeries.
- Developing novel antifouling surfaces is crucial for improving patient outcomes and addressing the global challenge of antimicrobial resistance.
Related Concept Videos
01:30Bacterial Signaling
34.0K
Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
34.0K
01:29Biofilms
271
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
271