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Gelatin methacrylamide was prepared by reaction of
gelatin with methacrylic anhydride. After dissolution of
gelatin in phosphate buffer (pH 7.5) at 50 ¡ãC, methacrylic
anhydride was added while vigorously stirring. After 1 h of
reaction, the reaction mixture was diluted and dialyzed for
24 h against distilled water at 40 ¡ãC. The reaction product
was then freeze-dried leading to a white solid. The degree
of substitution (DS) is defined as the percentage of -amino
groups that are modified and is determined by the Habeeb
method
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2Â¥: Originally posted by aircraftvip at 2011-12-02 20:42:50
Gelatin methacrylamide was prepared by reaction of
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gelatin in phosphate buffer (pH 7.5) at 50 ¡ãC, methacrylic
anhydride was added while vi ...

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