Fig. 18.
Phototurbidostat installation. 800 ml culture done in a 2L Erlenmeyer placed on 100RPM Heidolph Instruments Unimax1010 shaker and sealed by a Deutsch & Neumann 47-55-40 mm rubber plug including 4 holes. Two for the liquid inlet and outlet, one for the air exchange and the last one for the turbidimeter composed by a GL5528 photoresistor previously validated for this application. The illumination was provided by a ring of 241 WS2812B LEDs [58].