Cationic dextran derivatives for drug delivery systems
Introducing cationic dextran derivatives designed for enhanced drug delivery. These modified polymers offer tunable cationic properties and rapid biodegradation, making them ideal for medical applications, particularly in nanoparticles for targeted drug delivery.
Overview
Cationic dextran derivatives represent a breakthrough in polymer modification for medical applications, particularly in the field of drug delivery. By altering dextran, a naturally derived polymer, through processes such as oxidation and amination, we can create derivatives with specific cationic charges and amphiphilic properties. These modifications enable the development of nanoparticles that can effectively deliver drugs to target areas, with the added benefit of being biodegradable and non-toxic.
Technical specifications
Key features include:
- Modification through oxidation followed by amination with aliphatic amines.
- Tunable cationic properties ranging from low to high based on the type of amine groups used (imine, primary, secondary, tertiary).
- Amphiphilic properties can be customized to include or exclude lipophilic domains.
- Proven non-toxicity in cellular and animal models.
- Rapid biodegradation ensures minimal long-term environmental impact.
Technology readiness level
Currently at a Technology Readiness Level (TRL) of 4, the cationic dextran derivatives have been validated through laboratory research and initial animal testing. Future validation steps include the creation of a library of derivatives, thorough testing of cytotoxicity, surface activity, and biodegradation properties, paving the way towards clinical applications.
About Warsaw University of Technology
Warsaw University of Technology is a large public institute of technology and a leading Polish technical university. Industry partners access co‑located advanced facilities at CEZAMAT—cleanrooms and semiconductor pilot‑line activity—alongside shared prototyping and measurement labs. Engagement is streamlined by the Centre for Innovation and Technology Transfer Management (CZIiTT), which provides industry liaison, IP services, and an entrepreneurship incubator, and by a 100% university‑owned applied research company that structures contracts and accelerates spin‑outs. Research is supported by competitive European and national programs, including EU structural and framework funding.
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