Method and device for capsulating microbial, plant and animal cells or biological and chemical substances
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 1, 2002
Grant Date -
N/A
app pub date -
Oct 26, 2000
filing date -
Mar 7, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for capsulating microbial, plant and animal cells or biological and chemical substances, using a nozzle to obtain small, especially spherical particles by vibrating an immobilisation mixture. According to said method, the immobilisation mixture, especially a laminar fluid jet taking the form of an immobilisation mixture, is divided into equal parts by superimposition of an external vibration. In a device especially well suited to carry out this method a metallic counter-element (18) which is mounted down-stream from the nozzle (16) at a distance (a) to, and on the outside of, the nozzle axis (A) is connected to a high-voltage source (30). The counter-element is to be embodied by a metal ring (18) through whose through hole (20) the nozzle axis (A) extends. The metal ring (18) is radially connected to an insulated support (22, 24).
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