title: [Study of macromolecules and biological particles by ultracentrifugation in sodium perchlorate gradient. 1. Physical properties of sodium perchlorate solutions and study of the cytoplasmic particles of Hela cells by ultracentrifugation in sodium perchlorate gradient].
mesh_terms: D055592:Biophysical Phenomena; D001703:Biophysics; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D002586:Cesium; D002712:Chlorides; D003593:Cytoplasm / Q000032:analysis*; D006367:HeLa Cells; D046911:Macromolecular Substances; D010472:Perchlorates; D011132:Polyribosomes; D011506:Proteins / Q000302:isolation & purification; D012270:Ribosomes; D012964:Sodium; D014783:Viscosity
chemical_list: D002712:Chlorides; D046911:Macromolecular Substances; D010472:Perchlorates; D011506:Proteins; D002586:Cesium; D012964:Sodium
vernacular_title: Etude des macromolécules et des particules biologiques par ultracentrifugation en gradient de perchlorate de sodium. 1. Propriétés physiques des solutions de perchlorate de sodium et étude des particules cytoplasmiques des cellules HeLa par ultracentrifugation en gradient de perchlorate de sodium.