Are the PythoN tissue dissociation tubes reusable?Home FAQ Instruments PythoN and PythoN Junior Are the PythoN tissue dissociation tubes reusable?The PythoN tissue dissociation tubes are designed to be single-use only. We cannot guarantee the integrity of the tubes if they are used more than once. Additionally, we cannot guarantee that no cross-contamination would occur if the tubes are used more than once.