title: Absorption changes in the reaction center of photosynthetic bacteria and - electron calculations on bacteriochlorophyll, its mono cation and anion.
mesh_terms: D001419:Bacteria; D002734:Chlorophyll; D004583:Electrons; D008722:Methods; D008961:Models, Structural; D010788:Photosynthesis; D011758:Pyrroles; D013053:Spectrophotometry
chemical_list: D011758:Pyrroles; D002734:Chlorophyll