Figure 4.

Photographs of biofilm particles of C. acetobutylicum P262 used in a fluidized bed reactor for the production of butanol from whey permeate. A) bonechar particles; B) biofilm particles after growth (bonechar particles are covered with biofilm layers).

Qureshi et al. Microbial Cell Factories 2005 4:24   doi:10.1186/1475-2859-4-24
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