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1) Sodium alginate was oxidized with sodium periodate to introduce aldehyde groups onto the polymer chain. The degree of oxidation was varied from 5-75% to study its effects. 2) The molar mass of the oxidized alginate decreased rapidly with oxidation up to 10% and then remained constant. Polymers with over 10% oxidation could no longer form gels with calcium ions. 3) Both the elastic modulus and swelling of alginate gels decreased with increasing oxidation degree, due to decreases in molar mass and unre

Author

mvillarcampos

Language

EN