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In the realm of promising drug delivery systems and regenerative medicine, hydrogel polymeric matrices have emerged as a promising solution owing to their biocompatibility, high water retention, and ability to mimic natural tissues. However, conventional hydrogels face critical limitations, including poor mechanical strength, limited targetability, and lack of responsiveness. Nanocomposite hydrogels (NCHs), which integrate nanoscale materials into hydrogel matrices, have emerged as next-generation solutions with improved physicochemical and biomedical attributes. By incorporating diverse nanomaterials—ranging from carbon-based (e.g., graphene oxide, carbon nanotubes) to inorganic (e.g., clays, silica, hydroxyapatite) and metallic (e.g., silver, gold, Fe3O4) nanoparticles—these functionalized scaffolds achieve enhanced mechanical strength, drug-loading capacity, stimuli responsiveness, and targeted therapeutic delivery. Advances in synthesis strategies, including in situ nanoparticle formation, suspension incorporation, and surface-functionalization, have enabled the precise engineering of hydrogels with dynamic bio interfaces. Additionally, computational and theoretical models now provide a mechanistic understanding of nanoparticle-polymer interactions, guiding the rational design of structurally robust and functional hydrogels. Beyond structural reinforcement, NCHs are now tailored to meet specific biomedical challenges such as wound healing, regenerative medicine, biosensing, and neural tissue engineering, with emerging trends focusing on injectable, self-healing, and smart bio responsive systems. Despite challenges related to biocompatibility, scalability, and long-term stability, the interdisciplinary nature of NCH research promises new frontiers in precision medicine and soft tissue therapeutics. This chapter provides an integrated overview of the classification, molecular design, synthesis methods, and biomedical utilities of NCHs, outlining their transformative potential across future healthcare applications.

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Introduction to Functionalized Nanocomposite Hydrogels and Their Applications

  • 章节

  • 发表日期：

    2025年

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  • Debjyoti Paul,
  • Kankana Das

摘要

In the realm of promising drug delivery systems and regenerative medicine, hydrogel polymeric matrices have emerged as a promising solution owing to their biocompatibility, high water retention, and ability to mimic natural tissues. However, conventional hydrogels face critical limitations, including poor mechanical strength, limited targetability, and lack of responsiveness. Nanocomposite hydrogels (NCHs), which integrate nanoscale materials into hydrogel matrices, have emerged as next-generation solutions with improved physicochemical and biomedical attributes. By incorporating diverse nanomaterials—ranging from carbon-based (e.g., graphene oxide, carbon nanotubes) to inorganic (e.g., clays, silica, hydroxyapatite) and metallic (e.g., silver, gold, Fe3O4) nanoparticles—these functionalized scaffolds achieve enhanced mechanical strength, drug-loading capacity, stimuli responsiveness, and targeted therapeutic delivery. Advances in synthesis strategies, including in situ nanoparticle formation, suspension incorporation, and surface-functionalization, have enabled the precise engineering of hydrogels with dynamic bio interfaces. Additionally, computational and theoretical models now provide a mechanistic understanding of nanoparticle-polymer interactions, guiding the rational design of structurally robust and functional hydrogels. Beyond structural reinforcement, NCHs are now tailored to meet specific biomedical challenges such as wound healing, regenerative medicine, biosensing, and neural tissue engineering, with emerging trends focusing on injectable, self-healing, and smart bio responsive systems. Despite challenges related to biocompatibility, scalability, and long-term stability, the interdisciplinary nature of NCH research promises new frontiers in precision medicine and soft tissue therapeutics. This chapter provides an integrated overview of the classification, molecular design, synthesis methods, and biomedical utilities of NCHs, outlining their transformative potential across future healthcare applications.