Chromatin: its isolation from cultured mammalian cells with particular reference to contamination by nuclear ribnucleoprotein particles.

Animals Carbon Isotopes Cell Nucleus/analysis Centrifugation, Density Gradient Chromatin/isolation & purification DNA/isolation & purification Densitometry Electrophoresis Electrophoresis, Polyacrylamide Gel HeLa Cells Histones/isolation & purification Humans L Cells/cytology Mice Solubility Spectrophotometry, Ultraviolet Tritium

Carbon Isotopes Chromatin Histones Tritium DNA