Fig. 2.
Illustrations of the most popular mechanical tests on biofilms available in the literature. a Uniaxial compression test; b Shear stress in a rheometer; c Hydrodynamic shear stress imposed with a Couette-Taylor reactor; d Fluid dynamic gauging; e Microirrigation condition in a flow cell; f Microscale tensile test with a micropipette cantilever; g Microscale indentation test; h Atomic force spectroscopy—nanoindentation; i Microbead force spectroscopy; j Microrheology with magnetic tweezers; k Particle tracking