DNA from salmon sperm is used in Southern- and Northern hybridisation, in order to block unspecific probe binding prior to and during hybridisation (Sambrook, J. et al. (1989) Molecular Cloning: A Laboratory Manual, 2nd Edition).
Appearance | off-white to light brown powder |
Solution (10 % in H2O at 40 °C) | colourless to slightly yellow |
Loss on drying | ≤12,0 % |
Sodium (dry substance) | ≥5,8 % |
Maximum absorption | 258-262 nm |
UV-Absorption (0,001 % in phosphate buffer pH 7) | ≥0,155 AU |