The experimental conditions were the same as GG20240831-1, but the media was not sterilized, as we hoped Saccharomyces cerevisiae would outgrow any contaminants due to the low pH. Unsurprisingly, the culture became contaminated early on, and a type of bacteria overgrew the yeast. We used this media to fine-tune the …
Peristaltic pump unit The current peristaltic pump 3D printed version was built into the first generation bioreactor prototype. It consists of PLA + (Poly lactic acid with some additives to reduce brittleness) and a mid-range 3D printer was used to create it We had doubts about the structural stability of …
Structure of the temperature control module Heating and cooling unit As shown in the figure on the left, the unit consists of two parts: a bored aluminum block holding the fermenter vessel, and a mounted Peltier element. Aluminium block: width: 100 mm height: 50 mm depth : 90 mm …