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The material, called a hydrogel , contains a polymer that senses and binds to glucose in bodily fluids.
hydrogel contact lenses
These charges cause attraction between neighbouring peptides and result in the formation a hydrogel that swells in the presence of water.
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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