Dextran is widely used in the medical and biotechnological fields due to its unique properties. In medicine, it serves as a plasma volume expander, helping to treat shock or severe blood loss by maintaining blood volume. It is also employed in intravenous therapy to improve blood flow and prevent clotting. In biotechnology, dextran is utilized as a stabilizer and carrier in drug delivery systems, enhancing the solubility and efficacy of therapeutic agents. Additionally, it is a key component in chromatographic techniques for protein separation and purification. Its biocompatibility and versatility make it a valuable material in various scientific and medical applications.