title: Simultaneous measurement of oxygen concentration and absorbance changes.
mesh_terms: D000458:Cyanobacteria / Q000378:metabolism; D004566:Electrodes; D010100:Oxygen / Q000032:analysis*; D010788:Photosynthesis; D013053:Spectrophotometry / Q000295:instrumentation / Q000379:methods
chemical_list: D010100:Oxygen