Metabolic Activity Interferometer: A Powerful Tool for Testing Antibiotics

Table 2

Sample	Duplication time [days]
Control	5.6±0.9
Hexane extract P. emarginatus 29 μg/mL	5.4±0.3
Hexane extract P. emarginatus 58 μg/mL	5.7±0.4
Hexane extract P. emarginatus 116 μg/mL A	5.6±0.6
Hexane extract P. emarginatus 116 μg/mL B	11±1
Hexane extract P. emarginatus 116 μg/mL C	3.5±0.3
Hexane extract P. emarginatus 232 μg/mL	11±1
Hexane extract P. emarginatus 464 μg/mL A	3.6±0.5
Hexane extract P. emarginatus 464 μg/mL B	No growth detected
Rifampicin 2 ng/mL	6±1
Rifampicin 4 ng/mL	8.7±0.3
Rifampicin 250 ng/mL	13±1
Rifampicin 1000 ng/mL A	16±6
Rifampicin 1000 ng/mL B	No growth detected