Clear Standard American for corporate /technology/medical
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EnglishVoice Age
Middle Aged (35-54)Accents
North American (General) North American (US General American - GenAM)Transcript
Note: Transcripts are generated using speech recognition software and may contain errors.
ultrasound scans have changed the nature of pregnancy, allowing parents to be to carry pictures of their unborn babies in their wallets. But the possibilities of ultrasound don't end there. INVENTORS air finding ever more diverse uses for it M. I T, for instance, is now using ultrasound to get large doses of drugs through the tough outer layers of skin and deep into flesh without injections. Ultrasound just above 20 kilohertz can improve fluid absorption through the pores but prolonged exposure to the acoustic energy convert Joseph Cost and colleagues at M I. T. Found that by pulsing low energy ultrasound two megahertz wants a second while applying a low voltage to the skin encourages drugs to pass into the pores via osmosis.