A gel in which the liquid component is water.
- The material, called a hydrogel, contains a polymer that senses and binds to glucose in bodily fluids.
- Although dressings such as films, foams, hydrocolloids, hydrogels, collagen, and alginates, may be more expensive per dressing than gauze dressings, they are less expensive to use.
- The films are in a class of materials known as hydrogels, which are networks of polymers that swell in water.
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