An algal photosynthetic chamber using an oxygen electrode is described. It is unique in that the algae are held in the chamber on a filter. In this manner a high concentration of cells per unit volume of chamber and a high sensitivity to oxygen production is obtained. Other advantages of this system are that the solution around the algae on the filter is changed easily without disturbing the cells and the chamber is easily adapted to continuous closed circulation.
Yentsch, Charles S.. 1965. "A perfusion chamber for electrode studies on the physiology of planktonic algae." Journal of Marine Research 23, (1). https://elischolar.library.yale.edu/journal_of_marine_research/1041