title: Preparative purification of lambda-DNA fragments obtained after Eco RI digestion.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000032:analysis*; D004267:DNA Viruses / Q000032:analysis; D004279:DNA, Viral / Q000302:isolation & purification; D003851:Deoxyribonucleases; D004591:Electrophoresis, Polyacrylamide Gel; D004720:Endonucleases; D009841:Oligonucleotides / Q000302:isolation & purification; D012834:Silver
chemical_list: D004279:DNA, Viral; D009841:Oligonucleotides; D012834:Silver; D003851:Deoxyribonucleases; D004720:Endonucleases