Table 2 Numbers of test bacteria per unit volume (/μL) determined using the micro-optofluidic platform and by microscopy cell counting and colony counting. Data are the means of 5 repetitions plus/minus the standard deviation.

From: Integrated micro-optofluidic platform for real-time detection of airborne microorganisms

Bacterium

Micro-optofluidic platform

Microscopy cell counting

Colony counting

Total particle (SCa)

Total bacteria (FLb)

E. coli

10.6 ± 0.73

9.9 ± 0.18

8.7 ± 0.45

6.6 ± 0.84

B. subtilis

9.3 ± 0.63

7.8 ± 0.17

6.9 ± 0.37

6.0 ± 0.52

S. epidermidis

8.0 ± 0.63

6.5 ± 0.25

5.6 ± 0.73

4.8 ± 0.81

  1. aParticle scattering
  2. bFluorescence.