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Multifunctional Polymeric Nanogels for Biomedical Applications

2021; Multidisciplinary Digital Publishing Institute; Volume: 7; Issue: 4 Linguagem: Inglês

10.3390/gels7040228

2310-2861

Tisana Kaewruethai, Chavee Laomeephol, Yue Pan, Jittima Amie Luckanagul,

Advanced Drug Delivery Systems

Currently, research in nanoparticles as a drug delivery system has broadened to include their use as a delivery system for bioactive substances and a diagnostic or theranostic system. Nanogels, nanoparticles containing a high amount of water, have gained attention due to their advantages of colloidal stability, core-shell structure, and adjustable structural components. These advantages provide the potential to design and fabricate multifunctional nanosystems for various biomedical applications. Modified or functionalized polymers and some metals are components that markedly enhance the features of the nanogels, such as tunable amphiphilicity, biocompatibility, stimuli-responsiveness, or sensing moieties, leading to specificity, stability, and tracking abilities. Here, we review the diverse designs of core-shell structure nanogels along with studies on the fabrication and demonstration of the responsiveness of nanogels to different stimuli, temperature, pH, reductive environment, or radiation. Furthermore, additional biomedical applications are presented to illustrate the versatility of the nanogels.