Quick facts
A biofilm is a community stuck to a surface and wrapped in a homemade matrix, not a lonely floating cell.
Plaque and catheter films show why a drug that works in a flask can fail on a surface.
This page explains persistence as ecology. It is not a protocol for growing films.
The profile
- Familiarity38
- Medical weight70
- Benefit30
- Risk65
- Research75
- Live debate25
Risk
Surface cities of microbes — plaque and catheters explain persistence, without a grow-your-own kit.
Seven ways into this topic
Frequently asked questions
Is a biofilm just slime?
Why do some infections persist?
Is plaque a biofilm?
Do biofilms only harm people?
Can mouthwash replace brushing?
Are biofilms the same as spores?
Should I grow a biofilm at home?
Is this medical advice?
Sources & research
More in Change & defence
Mutation and variants
Populations of genomes, not cartoon villains — RNA viruses copy sloppily, and public-health names track clusters that spread.
Familiarity 92Antibiotic resistance
A shared drug budget under selection in hospitals, farms and wastewater — stewardship, not a lab manual.
Familiarity 85Vaccines and immunity
Antibodies, memory cells and community arithmetic — conceptual, not a prescription and not an anti-vaccine tract.
Familiarity 94Hygiene and balance
Clean water saves lives; missing old microbial partners is a separate, still-debated immune story.
Familiarity 70Horizontal gene transfer
Sideways DNA traffic — conjugation, transduction, transformation as names and history, not protocols.
Familiarity 45