Anomaly in Rotational Diffusion of Photophysical Probe Near Volume Phase Transition of Copoly(Acrylamide-Acrylic Acid) Gels: Steady State and Time-Resolved Fluorescence Study
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概要
- 論文の詳細を見る
Changes in the microenvironment of pyrene-labeled copoly(acrylamide-acrylic acid) gels are investigated by means of fluorescence spectroscopy. An anomaly in the microscopic motion of a pyrenyl probe was observed in the vicinity of the phase transition: the average lifetime of monomer emission approached zero, and the rotational diffusion constant of pyrenyl probe became infinite. Density fluctuation and the nonequilibrium situation near the phase transition are considered to cause the rapid microscopic fluctuation of the network and solvent molecule.
- 社団法人応用物理学会の論文
- 1999-12-01
著者
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ANNAKA Masahiko
Department of Chemistry, Kyushu University
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安中 雅彦
九大院理
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TAKAGI Hiroyuki
Department of Electrical and Electronic Engineering, Toyohashi University of Technology
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NAKAHIRA Takayuki
Department of Materials Technology, Chiba University
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Annaka Masahiko
Department Of Chemistry Kyushu University
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Nakahira Takayuki
Department Of Materials Technology Chiba University
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Takagi Hiroyuki
Department Of Materials Technology Chiba University
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Takagi Hiroyuki
Department Of Applied Physics Tokyo Institute Of Technology
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安中 雅彦
Department of Chemistry, Kyushu University
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Nakahira Takayuki
Department of Applied Chemistry, Faculty of Engineering Chiba University
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Annaka Masahiko
Department of Applied Chemistry, Faculty of Science and Technology, Keio University
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