Dextran is widely used in the medical field as a plasma volume expander. It is administered intravenously to treat or prevent shock following severe blood loss, surgery, or trauma. It helps retain fluid in the blood vessels, improving circulation. In laboratory settings, dextran is utilized in chromatography for separating molecules based on size. It is also employed in the preparation of microcarriers for cell culture, aiding in the growth of cells for research and biotechnological applications. Additionally, dextran serves as a stabilizer and cryoprotectant in the preservation of cells and tissues during freezing processes. It is used as a viscosity modifier in pharmaceutical and cosmetic products, helping with moisture retention and enhancing product efficacy. Furthermore, in the food industry, it acts as a thickener and stabilizer in various products.