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Published on: September 18, 2018
Pluronic/chitosan shell cross-linked nanocapsules encapsulating magnetic nanoparticles.
Ki Hyun Bae1, Young Jin Ha, Chunsoo Kim
1Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 305-701, South Korea.
Journal of Biomaterials Science. Polymer Edition
|November 20, 2008
Summary
Novel Pluronic/chitosan nanocapsules encapsulate iron oxide nanoparticles for targeted cancer therapy and diagnosis. These magnetic nanocarriers show efficient cellular uptake, enabling dual use in drug delivery and magnetic resonance imaging.
Area of Science:
- Materials Science
- Nanotechnology
- Biomedical Engineering
Background:
- Developing targeted drug delivery systems is crucial for effective cancer therapy.
- Iron oxide nanoparticles offer magnetic properties for targeted applications.
- Pluronic and chitosan are biocompatible polymers with potential in nanomedicine.
Purpose of the Study:
- To develop novel Pluronic/chitosan nanocapsules encapsulating iron oxide nanoparticles.
- To investigate the structure and properties of these nanocapsules.
- To evaluate their potential for magnetically-triggered drug delivery and cancer diagnosis.
Main Methods:
- Synthesis of Pluronic/chitosan nanocapsules encapsulating iron oxide nanoparticles via emulsification and ultrasonication.
- Characterization using thermogravimetric analysis and transmission electron microscopy.
- Cellular uptake studies using confocal laser scanning microscopy with rhodamine-labeled nanocapsules and an external magnetic field.
Main Results:
- Successfully developed core/shell nanocapsules with an inner core of magnetic nanoparticles and a Pluronic/chitosan shell.
- Confirmed nanocapsule architecture and encapsulation via TGA and TEM.
- Demonstrated efficient internalization of nanocapsules by human lung carcinoma cells under magnetic field guidance.
Conclusions:
- The developed Pluronic/chitosan nanocapsules represent a novel nanomaterial for biomedical applications.
- These nanocapsules exhibit potential for magnetically-triggered delivery of anti-cancer agents.
- The magnetic properties also suggest utility in cancer diagnosis via magnetic resonance imaging.
