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Free radical production in amniotic fluid and blood plasma by medical ultrasound
L A Crum1, A J Walton, A Mortimer
1Division of Anatomy, United Medical School, London, England.
Abstract:
Evidence is reported that continuous wave and long pulse ultrasonic systems can induce relatively large amounts of free radicals in biological fluids in vitro under conditions similar to those currently in use for therapeutic applications. The operating conditions and approximate threshold intensities under which these instruments can produce free radicals are described.