Method of preparing micro-and nanometric particles with labile Products
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United States of America Patent
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Issued Date -
Aug 27, 2009
app pub date -
May 3, 2006
filing date -
May 4, 2005
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method of obtaining micro- and nanometric polymeric particles in a controlled, reproducible manner. The aforementioned particles have a spherical shape and a very narrow, uniform size distribution. The invention comprises the use of an easy particle-forming method consisting in using hydrodynamic forces to focus a composite microjet formed by two concentric fluids and can be used in the encapsulation of fragile compounds of biological interest, from peptides and proteins to cells and micro-organisms.
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