text: DNA isolation
  All solutions used for DNA isolation are purged with nitrogen (immediately prior to use) and supplemented with 50 muM phenyl-tert-butyl nitrone to minimise oxidative damage to DNA[31].
  Qiagen DNAeasy Kit (#69506)
  includes: Proteinase K, AW1, AW2, AE and Spin-columns
  Dithiothreitol (DTT; Sigma)
  Ethanol (Ajax Finechem #214-2.5L)
  Nitrogen (for purging of buffers)
  