title: High-Resolution Density Gradient Sedimentation Analysis.
abstract: The principle of stability for a sample layered in a density-gradient liquid column is discussed, and a method for separating ribonucleoprotein particles by means of sedimentation in the ultracentrifuge is described.
authors.forename: R J
authors.initials: RJ
authors.lastname: Britten
authors.forename: R B
authors.initials: RB
authors.lastname: Roberts