Info

Figure 15.4 Traditional conceptualization of a base biofilm showing a typical concentration profile for a single limiting nutrient.

Figure 15.5 Simulation results showing the relative distribution of active biomass and biomass debris in a single species biofilm. (After Wanner and Gujer. ")

Distance from Support, ^m

Figure 15.5 Simulation results showing the relative distribution of active biomass and biomass debris in a single species biofilm. (After Wanner and Gujer. ")

Although the picture presented in the preceding paragraph is very logical given our current understanding of biofilms, the reader should recognize that it is only a conceptual model. It has not been proven by direct observation, although indirect observations suggest it is correct.^ However, the new microscopy techniques that made it possible to develop the conceptual model of a biofilm illustrated in Figure 15.3, when combined with new molecular microbiology tools, make it possible to gather experimental evidence about the distribution of individual species in a mul-tispecies biofilm. Such information will allow us to evaluate for the first time the qualitative accuracy of the multispecies biofilm conceptual model. Although we will w OJ o cd Cl CO

Was this article helpful?

0 0

Post a comment