pH RESPONSIVE POLYMERS AND RELATED METHODS OF SYNTHESIZING, FABRICATING, AND DEPLOYING pH RESPONSIVE POLYMERS
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Feb 14, 2023
filing date -
Feb 14, 2023
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Abstract
Aspects of pH responsive polymers are described. One exemplary aspect is a pH responsive GelMA polymer comprising a gelatin type A with selectively modified and unmodified functional groups. For example, this polymer may comprise: modified carboxyl groups, modified hydroxyl groups, unmodified carboxyl groups, unmodified hydroxyl groups, and unmodified amine groups; carboxyl and hydroxyl groups that have been methacrylated; or carboxyl, hydroxyl, and amine groups that were not methacrylated, wherein the modified and unmodified functional groups of Polymer A may be selected by controlling a pH level of its synthesizing reaction. Another exemplary aspect is a pH responsive GelMA polymer comprising a gelatin type B with selectively modified amine groups, modified hydroxyl groups, unmodified carboxyl groups, unmodified, hydroxyl groups, and unmodified amine groups. Related apparatus, compositions, methods, polymers, and systems are described.
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