title: A safe method of exposing microthreads in the open air.
mesh_terms: D000336:Aerosols; D000391:Air Microbiology; D001419:Bacteria / Q000302:isolation & purification / Q000472:pathogenicity; D001431:Bacteriological Techniques / Q000295:instrumentation; D003140:Communicable Disease Control; D008722:Methods
chemical_list: D000336:Aerosols