title: The simultaneous measurement of densities and absorbances in sucrose gradients, applied to zonal centrifugation.
mesh_terms: D002499:Centrifugation, Density Gradient / Q000295:instrumentation*; D002501:Centrifugation, Zonal / Q000295:instrumentation*; D005069:Evaluation Studies as Topic; D008722:Methods; D011132:Polyribosomes; D012270:Ribosomes; D013056:Spectrophotometry, Ultraviolet