A research team from north China's Tianjin University has developed a new type of injectable hydrogel that can regulate ...

More information: Juho Lee et al, On-site sol-gel-sol transition of alginate enables reversible shielding/deshielding of ...

Cut and mixed with water to make a thick gel. Diluted with more water and filtered. Mixture evaporated and further processed to make sodium alginate powder.

The alginate matrix undergoes a sol-gel-sol transition in the gastrointestinal tract, protecting the drug from premature loss and enabling targeted release in the colorectum.