Prefilled 2ml tubes contain an appropriate amount of 3.0mm diameter zirconium (ceramic) beads for use in bead homogenization. Tubes are ready to use – beads are acid washed and heat treated and certified to be nuclease and protease free. Tubes are filled in a process tested by qPCR to be free of stray DNA. Suitable for homogenization of a variety of tissues including heart, lung, and brain, plant tissues, insects and dried samples. Supplied in packs of 50 tubes. Tubes are suitable for use in most bead homogenizers including the BeadBug 3, BeadBug 6 and BeadBlaster 24. Beads also available in loose bulk (D1132-30).