Investigation of the states of water in water-swollen hydrogels by liquid chromatography and differential scanning calorimetry.

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概要

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• A new liquid chromatographic method was proposed for the estimation of the amount of water which exhibits selectivity to solutes in water-swollen hydrogels based on the model regarding the retention of ions on the column packed with the hydrogels. The estimated amount of the water in polyacrylamide, dextran, and poly(vinyl alcohol) gels corresponds to the sum of the amount of freezable bound water and that of nonfreezing water determined by means of differential scanning calorimetry. This means that the freezable bound water takes an important role in the separation process using water-swollen hydrogels contrary to the conventional view of the freezable water.

• 公益社団法人 日本化学会の論文

著者

• Onda Nobuhiko

  Perkinelmer Japan

• Shibukawa Masami

  Department Of Applied Molecular Chemistry College Of Industrial Technology Nihon University

• Ohta Naoichi

  Department Of Chemistry St. Marianna University School Of Medicine

• Onda Nobuhiko

  Perkin-Elmer Japan Co., Ltd.

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