The protocol supplied in the iGEM 2015 InterLab Protocol form was followed with a few minor changes.
Each device and the two controls were streaked out onto LB agar plates supplemented with chloramphenicol and incubated at 37°C for 22 hours. 3 colonies from each plate were inoculated into 50ml Falcon tubes containing 10ml of LB media and chloramphenicol. The tubes were incubated upright on a platform shaker in a room kept at 37°C for 16 hours.

The cells were grown on LB agar supplemented with 1000x chloramphenicol.

A colony of cells was inoculated into 10ml of liquid LB with 10µl of 1000x chloramphenicol. The cultures were grown in a 50ml falcon tube, upright on shaking platform at 275rpm in 37°C room overnight.
For each device three colonies were inoculated to act as the three biological replicates.

After the overnight incubation period of 16 hours the liquid cultures were removed from the 37°C room. 200µl from each culture was added to a 96-well plate. The initial optical density of each sample was measured at 600nm using a plate reader. All samples were then diluted appropriately so as to have an OD600 value within 5% of 0.5. Two additional technical replicates for each of the biological replicates were set up at this point. The OD600 was measured again to ensure all samples had an optical density within 5% of 0.5 before the fluorescence measurements were taken.
To measure fluorescence, the cells were excited at a wavelength of 485nm and emitted light at 538nm as measured.
The values obtained for fluorescence were in relative fluorescence units.

A SpectaMax M5 plate reader was used to obtain the values of fluorescence.

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