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Is dextran still used?

Yes, dextran is still used in various applications today. It is a complex polysaccharide made from glucose and is produced by certain bacteria, particularly Leuconostoc mesenteroides. Here are some common uses of dextran:

1. Medical Applications:

   - Volume Expanders: Dextran solutions are used as plasma volume expanders in medical settings, particularly during surgery or trauma to help increase blood volume.
   - Drug Delivery: Dextran is utilized in drug delivery systems, where it can enhance the solubility and stability of certain medications.
   - Blood Plasma Substitutes: Used in blood transfusions for patients who need fluid replacement.

2. Laboratory and Research:

   - Separation Techniques: Dextran is often used in gel filtration chromatography for separating molecules based on size.
   - Culture Media: It can be included in culture media as a source of carbon for certain bacterial growth.

3. Food Industry:

   - Stabilizer and Thickener: In some food products, dextran is used as a thickening agent and stabilizer.

4. Cosmetics and Personal Care:

   - Hydration: It is occasionally found in cosmetic formulations for its hydrating properties.

Dextran remains valuable in these fields due to its biocompatibility and versatility, although specific applications may vary based on advancements in technology and alternative materials.