A simple and cheap device for gradient formation.
Dreyer
K
K
Institute of Molecular Biology, Tumor Research, University of Essen, FRG.
Opalka
B
B
Schulte-Holthausen
H
H
D002499:Centrifugation, Density Gradient / Q000295:instrumentation*; D004247:DNA / Q000302:isolation & purification*; D004587:Electrophoresis, Agar Gel; D006801:Humans
D004247:DNA