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In situ preparation of film and hydrogel bio-nanocomposites of chitosan/fluorescein-copper with catalytic activity

Saldías, César ; Díaz, David Díaz ; Bonardd, Sebastián ; Soto-Marfull, Cristián ; Cordoba, Alexander ; Saldías, Soledad ; Quezada, Caterina ; Radic, Deodato ; Leiva, Ángel



Abstract

Copper nanoparticles were introduced into chitosan/fluorescein (Ch/f) film and hydrogel matrices by immersion of the respective matrix into an aqueous solution containing the precursor metallic salt and further reduction in aqueous medium at 75 degrees C for 3 h under nitrogen (N-2) atmosphere. TGA was used to estimate the metallic content of Ch/f-Cu film and hydrogel nanocomposites. The prepared ...

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