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, ...

Calcium carbonate supplements contain much more calcium, about 40% by weight. These supplements should be taken with food, since your body uses stomach acid to absorb them. Calcium citrate supplements ...

This study presents an effective method for the quantification of nitric acid (0.1–9 M) and the temperature (20 ... Statistical design of experiments was used to build training sets for partial ...

Sodium polyacrylate can absorb 800 times its weight in distilled water, but only 300 times its weight in tap water, since tap water contains some sodium, calcium and other mineral salts. The ...