title: Isolation of different classes of spinach chloroplasts by counter-current distribution. A methodological study.
mesh_terms: D002499:Centrifugation, Density Gradient; D002736:Chloroplasts / Q000032:analysis*; D003377:Countercurrent Distribution; D003911:Dextrans; D006018:Glycols; D006863:Hydrogen-Ion Concentration; D008722:Methods; D009994:Osmolar Concentration; D010944:Plants / Q000032:analysis*; D011095:Polyethylenes
chemical_list: D003911:Dextrans; D006018:Glycols; D011095:Polyethylenes