Preparation of protein films
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United States of America Patent
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Oct 22, 1985
Grant Date -
N/A
app pub date -
Aug 29, 1983
filing date -
Aug 29, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method to prepare protein films from protein gels is disclosed which utilizes the process of osmosis to remove excess fluid from protein gels without destroying the structural integrity of the protein. The method is conducted by first preparing a protein gel in a solvent, then contacting the gel with one side of a semipermeable membrane permeable to the solvent in which the gel was prepared, next adding a concentrated polymer solution to the other side of the membrane which membrane is impermeable to the polymer so as to cause movement of solvent from the gel, through the membrane, and into the polymer solution, and thus removing solvent from the gel for a period of time sufficient to contract the gel to a desired thickness.
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