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Ulvan dialdehyde-gelatin hydrogels for removal of heavy metals and methylene blue from aqueous solution
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Hydrogels based on the polysaccharide ulvan from the green macroalgae Ulva fenestrata were synthesized and evaluated as an adsorbent for heavy metals ions and methylene blue. Ulvan was extracted from Ulva fenestrata using diluted hydrochloric acid and recovered by precipitation with EtOH.
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