Electromagnetically triggered, responsive gel based drug delivery device
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United States of America Patent
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Jul 1, 1997
Grant Date -
N/A
app pub date -
Feb 24, 1995
filing date -
Feb 24, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for remotely inducing a phase transition in a gel is provided. The system includes a gel capable of volume change in response to an environmental stimulus, a seed material in contact with the gel, and generating a time-varying magnetic or a time-varying electric or electromagnetic field in the proximity of the gel to produce the environmental stimulus. In a preferred embodiment, the environmental stimulus is temperature.
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