Nanostructured Hydrogels of Carboxylated Cellulose Nanocrystals Crosslinked by Calcium Ions
2024
Hydrogels Made from Cellulose Nanocrystals and Calcium Ions
publication
10 minutes
Evidence: high
Author Information
Author(s): Ospennikov Alexander S., Chesnokov Yuri M., Shibaev Andrey V., Lokshin Boris V., Philippova Olga E.
Primary Institution: Lomonosov Moscow State University
Hypothesis
How do calcium ions affect the properties of hydrogels made from cellulose nanocrystals?
Conclusion
The study shows that calcium ions not only help cellulose nanocrystals to form a gel but also strengthen the gel structure through crosslinking.
Supporting Evidence
- Calcium ions help to crosslink cellulose nanocrystals, enhancing the gel's strength.
- The hydrogels can recover their viscosity quickly after being disrupted by shear forces.
- Different concentrations of calcium ions affect the recovery time of the gel structure.
Takeaway
This research is about how tiny pieces of plant material can turn into a gel when mixed with calcium, making it useful for things like 3D printing.
Methodology
The study used various techniques including rheometry, isothermal titration calorimetry, and cryo-electron microscopy to analyze the hydrogels.
Digital Object Identifier (DOI)
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