Dextran is widely used in the medical and pharmaceutical fields due to its biocompatibility and unique properties. It serves as a plasma volume expander in emergency situations to treat shock or severe blood loss by maintaining blood volume and pressure. In laboratory settings, dextran is employed as a stabilizer and carrier in various biochemical applications, including cell culture and protein purification. It is also utilized in the production of drug delivery systems, where it helps in the controlled release of therapeutic agents. Additionally, dextran is a key component in certain diagnostic tests and imaging techniques, enhancing the accuracy of results. Its ability to form gels and films makes it valuable in wound healing and tissue engineering applications.