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Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles
Published on: August 28, 2015
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Functional Polyion Complex Micelles for Potential Targeted Hydrophobic Drug Delivery
Radostina Kalinova1, Ivaylo Dimitrov1
1Institute of Polymers, Bulgarian Academy of Sciences, Akad. G. Bonchev St., Bl. 103-A, 1113 Sofia, Bulgaria.
Molecules (Basel, Switzerland)
|April 12, 2022
Summary
Novel polyion complex (PIC) micelles were developed as nanocarriers for hydrophobic drugs. These functional PIC micelles show promise for targeted drug delivery and nanomedicine applications.
Area of Science:
- Biotechnology
- Materials Science
- Nanomedicine
Background:
- Polyion complex (PIC) micelles are emerging as effective nano-vehicles for delivering hydrophilic charged molecules.
- Their potential for encapsulating hydrophobic drugs remains an area of active research.
Purpose of the Study:
- To create novel functional PIC micelles with cell-targeting ligands.
- To assess the feasibility of encapsulating hydrophobic drugs within these micelles.
Main Methods:
- Synthesis and characterization of peptide-based hybrid diblock copolymers.
- Spontaneous co-assembly of copolymers into PIC micelles with a polyelectrolyte complex core and mixed shell.
- Loading of hydrophobic drug curcumin into PIC micelles with varying surface charges.
Main Results:
- PIC micelles were successfully formed with tunable surface charges.
- Efficient encapsulation of the hydrophobic drug curcumin was achieved.
- In vitro studies demonstrated drug release profiles and antioxidant activity of the loaded micelles.
Conclusions:
- Functional PIC micelles can effectively encapsulate hydrophobic drugs.
- These findings expand the potential applications of PIC micelles in nanomedicine.

