EFFECT OF INTENSE SONIC VIBRATIONS ON ELEMENTARY BODIES OF VACCINIA.
Thoroughly washed elementary bodies of vaccinia were inactivated by sonic vibrations with a frequency of about 8900 cycles per second; the inactivation was not accompanied by a disruption of the bodies. Adventitious substances, notably protein, prevented or hindered the inactivation. There is some evidence that oxidation might have played a rôle in the inactivation.
Hospital of The Rockefeller Institute for Medical Research, New York, and The Johnson Foundation for Medical Physics, University of Pennsylvania, Philadelphia.
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Rivers
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Smadel
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Chambers