2005, Number 4
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An Med Asoc Med Hosp ABC 2005; 50 (4)
Biofilms and public health
Rivera TJA, Román MC
Language: Spanish
References: 38
Page: 172-176
PDF size: 56.94 Kb.
ABSTRACT
We now understand that biofilms are universal, occurring in aquatic and industrial water system as well as a large number of environments and medical devices relevant for public health. Using tools such as the scanning electron microscope and, more recently, the confocal laser scanning microscope, biofilms researchers now understand that biofilms are not unstructured, homogeneous deposits of cells and accumulated slime, but complex communities of surface-associated cells enclosed in a polymer matrix containing open water channels. Microorganisms growing in a biofilm are highly resistant to antimicrobial agents by one or more mechanisms. Biofilm-associated microorganisms have been shown to be associated with several human diseases and to colonize a wide variety of medical devices. Current intervention strategies are designed to prevent initial device colonization, minimize microbial cell attachment to the device, penetrate the biofilm matrix and kill the associated cells.
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