Biofilms are surface-attached structured communities that are encased by an extra polymeric slime (EPS) matrix. Bacteria are also in close connection with these structures. They exchange certain materials like DNA and signaling molecules. These materials are linked to the biofilms and can be dangerous. The biofilm lifestyle can contribute to disease, and are beneficial to chemical productions processes. Biofilms on surfaces cost the nation billions of dollars last year with damage of equipment, energy loss, and medical infection. It also offers opportunities for positive effects, such as biofiltering industrial water to keep it clean, and forming biobarriers to protect soil and groundwater from contamination.
Revised: March 29, 2010 |
Published: August 8, 2005