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A Facile and Efficient Approach for the Production of Reversible Disulfide Cross-linked Micelles
Published on: December 23, 2016
Self-assembled micelles based on hydrophobically modified quaternized cellulose for drug delivery
Yongbo Song1, Lingzhi Zhang, Weiping Gan
1Department of Chemistry, Wuhan University, Luojia Hill, Wuhan 430072, China.
Colloids and Surfaces. B, Biointerfaces
|December 31, 2010
Summary
Novel amphiphilic cationic cellulose derivatives form micelles for drug delivery. These cellulose-based micelles effectively encapsulate and control the release of poorly water-soluble drugs like prednisone acetate, showing low cytotoxicity.
Area of Science:
- Materials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Cellulose derivatives are versatile biomaterials with tunable properties.
- Developing efficient drug delivery systems for poorly water-soluble drugs remains a challenge.
- Amphiphilic polymers can self-assemble into nanostructures for drug encapsulation.
Purpose of the Study:
- To synthesize and characterize novel amphiphilic cationic cellulose (HMQC) derivatives.
- To investigate the self-assembly behavior of HMQCs in aqueous solutions.
- To evaluate the potential of HMQC micelles as carriers for water-insoluble drugs.
Main Methods:
- Synthesis of amphiphilic cationic cellulose derivatives.
- Characterization using elemental analysis, FT-IR, 1H NMR, ζ-potential, DLS, fluorescence spectroscopy, and TEM.
- Cytotoxicity assessment.
- Drug loading and controlled release studies using prednisone acetate.
Main Results:
- HMQCs successfully self-assembled into cationic micelles with hydrodynamic radii of 320-430 nm.
- The synthesized HMQCs demonstrated low cytotoxicity.
- Prednisone acetate was effectively incorporated into the HMQC micelles.
- Controlled release of prednisone acetate from the micelles was observed.
Conclusions:
- Novel amphiphilic cationic cellulose derivatives can form stable micelles in water.
- These HMQC micelles show promise as effective carriers for poorly water-soluble drugs.
- The developed system offers potential for controlled drug delivery applications.
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