title: Effects of various cations on separation of the two photochemical systems by digitonin treatment.
mesh_terms: D001464:Barium; D002118:Calcium; D002499:Centrifugation, Density Gradient; D002736:Chloroplasts / Q000187:drug effects / Q000378:metabolism*; D004071:Digitalis Glycosides; D008027:Light; D008274:Magnesium; D008345:Manganese; D008854:Microscopy, Electron; D010788:Photosynthesis; D059828:Plant Cells; D011188:Potassium; D011312:Pressure; D000644:Quaternary Ammonium Compounds; D012964:Sodium; D013053:Spectrophotometry
chemical_list: D004071:Digitalis Glycosides; D000644:Quaternary Ammonium Compounds; D001464:Barium; D008345:Manganese; D012964:Sodium; D008274:Magnesium; D011188:Potassium; D002118:Calcium