title: Preservation of RNA and DNA in samples from HeLa suspension cultures.
mesh_terms: D004273:DNA, Neoplasm / Q000032:analysis*; D003851:Deoxyribonucleases; D004355:Drug Stability; D005615:Freezing; D006367:HeLa Cells / Q000032:analysis*; D006801:Humans; D009994:Osmolar Concentration; D012334:RNA, Neoplasm / Q000032:analysis*; D012034:Refrigeration; D012260:Ribonucleases; D013056:Spectrophotometry, Ultraviolet; D013431:Sulfates; D013696:Temperature; D013997:Time Factors; D015032:Zinc
chemical_list: D004273:DNA, Neoplasm; D012334:RNA, Neoplasm; D013431:Sulfates; D003851:Deoxyribonucleases; D012260:Ribonucleases; D015032:Zinc