SCHEDULED MAINTENANCE
Bioinspired adenine–dopamine immobilized polymer hydrogel adhesives for tissue engineering†
Sandeep
Verma 
*b
and
Suresh
Valiyaveettil
*a
*b
and
Suresh
Valiyaveettil
*a
Abstract
Nontoxic adhesive hydrogels are of great importance in tissue engineering. Herein, we report a simple synthesis of a few biocompatible hydrogels from adenine and dopamine immobilized polyacrylic acid (PAA) and alginic acid (Alg) polymers. The adenine–dopamine adduct incorporated hydrogels showed enhanced adhesiveness, transparency and biocompatibility, and induced cell proliferation in 2D and 3D-cell culture models within 24 h. Moreover, blending the modified PAA and Alg polymers (P2P4) further increased the stability and bioactivity of the hydrogel. Such biogels can be developed as smart materials for biomedical applications.
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