Hydrogels and graphene oxide are materials that have recently attracted a lot of
interest. Due to the properties of both materials, they complement each other well when used for
the adsorption of certain substances. In particular, hydrogels with the addition of graphene oxide
have found their use in the removal of various dyes from water systems that have a harmful effect
on the environment and ecosystems. In my thesis, we researched graphene oxide and
polysaccharide hydrogels. First, we described the research history of both materials, and then
their structure, use, extraction, adsorptive properties of individual materials and adsorptive
properties of combined materials. Due to new possibilities of using both materials, research in
both areas is ongoing and complements what is already known.
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