Quantitative observations of heterogeneities in pseudomonas aeruginosa biofilms
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Heterogeneity in a Pseudomonas aeruginosa biofilm was quantified by measuring distributions of thickness in biofilm samples and a distribution of particle sizes in effluent samples. The mean steady-state thickness was approximately 33 ,um, but individual measurements ranged from 13.3 to 60.0 Mm. Particles exceeding 100 ,um3 were observed in the reactor effluent. The results reveal a rough biofilm surface and indicate that most biomass detaches in the form of multicellular particles.
Stewart, P., B.M. Peyton, W.J. Drury, and R. Murga, "Quantitative observations of heterogeneities in pseudomonas aeruginosa biofilms," Appl. Envir. Microbiol., 59(1):327-329 (1993).