Self-Assembled Hydrogel from Chitosan and Gelatin
Author Information
Author(s): Aleksandr Kashurin, Mikhail Litvinov, Aleksandr Podshivalov
Primary Institution: Center for Chemical Engineering, ITMO University, Saint-Petersburg, Russia
Hypothesis
The study investigates how the ratio of ionized functional groups in chitosan and gelatin affects the self-assembly and properties of hydrogels.
Conclusion
The hydrogels showed increased stability and mechanical properties when the ratio of ionized functional groups was balanced.
Supporting Evidence
- Hydrogels with a ratio of ionized groups z ≥ 1 showed a four-fold increase in elastic modulus compared to gelatin-based hydrogels.
- Hydrogels at z ≈ 1 had increased sorption capacity and resistance to simulated gastric fluid.
- At z ≥ 1, the stability of (bio)PEC hydrogels was significantly improved compared to those with z < 1.
Takeaway
This study looks at how mixing two natural materials, chitosan and gelatin, can create a gel that is stronger and better for medical uses.
Methodology
The study used dynamic mechanical analysis, scanning electron microscopy, and infrared spectroscopy to analyze the hydrogels.
Limitations
The study primarily focuses on specific ratios of chitosan and gelatin, which may limit the generalizability of the findings.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website