Multiple-layer immune barrier for donor cells
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United States of America Patent
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Feb 14, 2017
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N/A
app pub date -
Aug 10, 2016
filing date -
Sep 17, 2008
priority date (Note) -
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Abstract
A system is provided, including a plurality of donor cells and a first alginate structure that encapsulates the plurality of donor cells. The first alginate structure has a guluronic acid concentration of between 64% and 74%. The system additionally includes a second alginate structure that surrounds the first alginate structure, the second alginate structure having a mannuronic acid concentration of between 52% and 60%. A selectively-permeable membrane is coupled at least in part to the second alginate structure. Other embodiments are also described.
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International Classification(s)
- A61J:CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMA....
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
- C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
- A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
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