Deactivation of microorganisms by an oscillating magnetic field
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United States of America Patent
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Jun 18, 1985
Grant Date -
N/A
app pub date -
Nov 10, 1983
filing date -
Nov 10, 1983
priority date (Note) -
Expired
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Abstract
Material having relatively high electrical resistivity, such as food products and containers, is disposed within a magnetic coil and subjected to one or more pulses of an oscillating magnetic field having an intensity of between about 2 and about 100 Tesla and a frequency of between about 5 and about 500 kHz. A single pulse of the magnetic field generally decreases the microorganism population by at least about two orders of magnitude, and substantially complete sterility is more closely approached by subjecting the material to additional pulses.
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