title: A portable dry-ice storage chamber for enhanced preservation of enzymes in frozen tissue specimens.
mesh_terms: D004355:Drug Stability; D004367:Dry Ice; D004798:Enzymes; D005615:Freezing; D008722:Methods; D014021:Tissue Preservation / Q000295:instrumentation*
chemical_list: D004367:Dry Ice; D004798:Enzymes