... tube mouth),and leave it there for half a minute. The beads will be absorbed onto the wall of the tube ... used to do the separation.4, Put the EP tube on a normal non-magnetic tube rack, add in 600µL ... tube several times every 2---3 minutes.7, If not for instant use, store the EP tube at 2~ ... DNA extraction of stamen and pistil, this method can work as a reference.For the DNA extraction of plant seeds, e ...