Research progress in application of alginate gel as tumor drug delivery carrier, for tumor localization and 3D tumor cell model

As one of the hot materials in biomedical research, alginate gel shows great potential in tumor therapy with its unique physical and chemical properties. In order to better meet the complex needs of cancer treatment, alginate brine gel composite system has come into being. This system not only inherits many advantages of single alginate brine gel, but also significantly improves the mechanical properties of the material through compounding, and effectively overcomes the limitations of application. These composites have been applied to drug delivery carriers, tumor targeting systems and three-dimensional tumor cell models in various forms, showing a wide range of application prospects. This paper aims to review the basic structure and properties of alginate gel and analyze the research progress of alginate gel composite systems in the field of cancer in recent years, to provide a valuable reference for the further expansion of the application of this material in tumor therapy.