Figure 7

Scanning electron microscopy micrographs of biofilm structure. (a,c,e,g) Biofilm formation by untreated Escherichia coli, Proteus mirabilis, Pseudomonas aeruginosa and methicillin-resistant Staphylococcus aureus (MRSA), respectively (control). (b,d,f,h) Biofilm formation by treated Escherichia coli, Proteus mirabilis, Pseudomonas aeruginosa and methicillin-resistant Staphylococcus aureus (MRSA) with crude lipase, respectively (treatments).