Hydrogels, which are soft materials made of water-filled, crosslinked polymer networks, have a wide range of uses, from wound ...

Hydrogels created using carbon dioxide (CO₂) offer a safer alternative to those formed with acidic agents. While most research has focused on pre-gelation conditions affecting hydrogel properties, ...

However, the sequence features and mechanisms underlying gel formation and the necessity of gelation for protection have not been demonstrated. Here, we report a mechanism of fibrillization and ...

We demonstrate that progressive gelation initiates along an annular front, isolating a central pool that briefly remains open to particulate advection before gelation completes across the droplet ...

The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.chemmater.4c02460.