Guang-Zhao Li - Redox-Responsive Gel−Sol/Sol−Gel Transition in Poly(acrylic acid) Aqueous Solution Containing Fe(III) Ions Switched by Light

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      Publication Details (including relevant citation   information):

      J. Am. Chem. Soc., 2008, 130 (48), pp 16166–16167
      DOI: 10.1021/ja807087z


      Redox-responsive gel−sol/sol−gel transition in aqueous PAA system   containing Fe(III)−citrate complex was realized by switching the   redox states of Fe(III)/F(II) ions conjugated with photoreduction   and oxidation. This reversible transition can be indicated   chromatically by the Fe(III) ions and repeated many times as long   as there is sufficient citric acid.

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