Table 1 Main characteristics of the particles, bacteria and mixed suspensions (CFU is the colony-forming unit counting the number of viable bacteria).

From: Bacteria Delay the Jamming of Particles at Microchannel Bottlenecks

Suspension type Volume fraction CFU/mL
Particles 10−5 n/a
E. coli LC 10-5 5*106
E. coli HC 2*10−4 108
Mix E. coli = 10−5 5*106
Particles = 10−5 n/a