An injectable thermogel with high radiopacity.
Kewen Lei1, Wenjia Shen, Luping Cao
1State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China. yu_lin@fudan.edu.cn.
Researchers developed an injectable thermogel with enhanced X-ray visibility. This novel material, a PEG/polyester, uses triiodobenzoic acid for improved imaging capabilities.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Radiology
Background:
- Injectable hydrogels are promising for biomedical applications.
- X-ray opacity is crucial for medical imaging contrast.
- Current contrast agents have limitations.
Purpose of the Study:
- To design and synthesize a novel injectable thermogel with inherent X-ray opacity.
- To functionalize a diblock copolymer with an iodinated compound for radiopacity.
Main Methods:
- Conjugation of 2,3,5-triiodobenzoic acid to the hydrophobic end of mPEG-PLA.
- Synthesis of a PEG/polyester thermogel.
- Characterization of the thermogel's properties, including X-ray opacity.
Main Results:
- Successful synthesis of an injectable PEG/polyester thermogel.
- The thermogel exhibited strong X-ray opacity.
- Demonstrated potential as an X-ray contrast agent.
Conclusions:
- A novel injectable thermogel with significant X-ray opacity was created.
- This material offers a new platform for X-ray contrast applications.
- The synthesis method provides a route for developing advanced radiopaque biomaterials.
More Related Videos
07:47Custom-designed Laser-based Heating Apparatus for Triggered Release of Cisplatin from Thermosensitive Liposomes with Magnetic Resonance Image Guidance
Published on: December 13, 2015
11:05Tissue-simulating Phantoms for Assessing Potential Near-infrared Fluorescence Imaging Applications in Breast Cancer Surgery
Published on: September 19, 2014