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Hydrogels are among the favored
biomaterials because of their biocompatibility and non-toxic
properties. Hydrogels are known as smart polymers or smart materials
because they are sensitive to environmental stimuli. The fundamental
feature of this method is the ability to vary their mechanical
properties, swelling capacity, hydrophilicity, bioactive molecules
porousness, etc., influenced by varied stimuli such as temperature,
time, pH, electromagnetic wave, field, and biological factors. The
characterization studies of polyacrylamide (PAM) composite hydrogel
disclosed that partial polyaniline chains have grafted on the
nitrogen atom of PAM. These are usually prepared by polymer
crosslinking. In this review, we have focused on the field of tissue
engineering and biomedical applications of PAM hydrogel that has
been used as controlled drug delivery systems in various fields such
as agricultural fields, prescription drugs, medical specialty, and
cosmetic business. |
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Key words: Antimicrobial, Conducting hydrogels,
Cross-linked, Free radical polymerization, Polyacrylamide.
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