... samples faster and easier! Magnetic Bead DNA Extraction of Herbal Medicine Gene Groups 1, Get 0.2g celery leaves, ... ),and leave it there for half a minute. The beads will be absorbed onto the wall of the tube, ... tube to do the magnetic separation to absorb the beads onto the wall of tube, then suck all the ... to do the separation in order to absorb the beads onto the tube wall, then suck the liquid and ...