title: A simple multiwell tray for manipulation of radiolabeled nucleic acids on filter disks.
mesh_terms: D002499:Centrifugation, Density Gradient; D004269:DNA, Bacterial / Q000302:isolation & purification*; D004259:DNA-Directed DNA Polymerase / Q000378:metabolism; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D012329:RNA, Bacterial / Q000302:isolation & purification*; D014462:Ultrafiltration / Q000295:instrumentation
chemical_list: D004269:DNA, Bacterial; D012329:RNA, Bacterial; D012321:DNA-Directed RNA Polymerases; D004259:DNA-Directed DNA Polymerase