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1 From the Department of Physiological Chemistry of The Chicago Medical School, Chicago, Illinois
1. Liquid ammonia does not inactivate curare by remaining in contact with it for 48 hours.
2. Curare which has been treated with liquid ammonia forms a much finer dispersion in water than does untreated curare.
3. Curare can be fractionated in liquid ammonia by the use of sintered glass filters with the removal of more than 50% of inert material.
4. The insoluble fraction of curare in liquid ammonia when treated with glycine becomes more potent, prolonged in action and less toxic than curare.
Submitted on December 29, 1941