These high quality membranes are used in blotting applications such as Western, Nothern, and Southern blots, dot blots, DNA fingerprinting, colony blots and expression screening. The Hybond range has grown through the years to include nucleic acid- and protein-binding membranes optimized for radioactive, nonradioactive or fluorescent probes.- Blotting Paper, 20cm x 20cm, 100 sheets/pk (Ships on ice) 14-21 Days