title: An electromechanical apparatus to seal freeze-dried tissue specimens under vacuum.
mesh_terms: D002395:Catecholamines / Q000032:analysis*; D004581:Electronics / Q000295:instrumentation; D004988:Ethers, Cyclic; D005612:Freeze Drying / Q000295:instrumentation*; D006651:Histocytochemistry / Q000295:instrumentation*; D006813:Humidity; D008856:Microscopy, Fluorescence; D012701:Serotonin / Q000032:analysis
chemical_list: D002395:Catecholamines; D004988:Ethers, Cyclic; D012701:Serotonin