PARTICLES WITH INDUCIBLE CHANGE OF SHAPE
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jun 24, 2010
filing date -
Jun 24, 2009
priority date (Note) -
Abandoned
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Abstract
The invention relates to particles which exhibit a stimulable shape change and allow control of their uptake in active cells. The particles can be used as carrier systems for bioactive molecules or as diagnostic agents, and the spherical shape thereof has a size permitting uptake in a cell. Each particle assumes a temporary, non-spherical and thus non-uptakeable or only slightly uptakeable shape which can be transformed into a spherical and thus uptakeable shape by a suitable stimulus.
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