title: Concentration of very labile enzymes by osmodialysis.
mesh_terms: D003013:Clostridium / Q000201:enzymology; D003956:Dialysis / Q000295:instrumentation*; D008722:Methods; D009591:Nitrogenase / Q000302:isolation & purification*; D009995:Osmosis
chemical_list: D009591:Nitrogenase