Research Article

Pseudomonas aeruginosa Biofilm Removal from Two Kinds of Granite Commonly Found in Catering Kitchen

Table 2

Contact angles, surface tension parameters (Lifshitz-van der Waals component; electron acceptor , electron donor component ), and hydrophobicity (iwi). The means for three replicates are given.

P. aeruginosa and granitesContact angles (°)Surface tension: components and parameters (mJ m−2)Hydrophobicity of cell surfaces
diiodomethane formamide water (mJ m−2)

Granite Rosa Porrino71.170.23102.501.15117.070.4522.230.091.600.060.670.09−63.47
Granite Gris Pinhel64.400.2358.300.1753.000.4526.100.070.200.0340.900.5524.45
Pseudomonas aeruginosa70.070.8647.370.3525.330.3122.830.501.000.1069.10.8552.90