Polyacrylamide gels and method for the preparation of polyacrylamide gels
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United States of America Patent
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Jan 22, 1991
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N/A
app pub date -
Mar 15, 1989
filing date -
Apr 9, 1988
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Expired
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Abstract
Polyacrylamide gels containing bound dye indicator molecules being sensitive to pH variation are treated with an aqueous solution for a period of time until the shifting of the pK value of the gel, due to the treatment, has finished.
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