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Local Clays from China as Alternative Hemostatic Agents
Changjiao Gan1,2, Hongjie Hu3, Zhiyun Meng1
1Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China.
Molecules (Basel, Switzerland)
|December 9, 2023
Summary
Natural kaolin and halloysite clays from China demonstrate effective blood coagulation properties. These promising hemostatic materials show potential as alternatives to synthetic zeolite for wound care applications.
Area of Science:
- Materials Science
- Biomedical Engineering
- Geology
Background:
- Inorganic minerals like kaolin and zeolite have shown hemostatic capabilities.
- Local clays represent a potential source of novel hemostatic agents.
Purpose of the Study:
- To evaluate the hemostatic potential of three Chinese clays: kaolin, halloysite, and synthesized zeolite.
- To characterize their physical, chemical, and biocompatibility properties.
Main Methods:
- Materials characterization using SEM, FTIR, XRD, XRF, TGA, and DSC.
- Assessment of blood coagulation performance and cytotoxicity assays with L929 mouse fibroblasts.
Main Results:
- Kaolin exhibited the highest water absorption capacity (~93.8%).
- All tested clays demonstrated non-cytotoxicity towards L929 fibroblasts.
- Kaolin and halloysite displayed blood coagulation effects comparable to zeolite.
Conclusions:
- Natural kaolin and halloysite are identified as promising alternative hemostatic materials.
- Their physical and chemical properties support their potential use in wound management.
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