▷ Associate Professor, Department of Chemical Engineering Education, College of Education,

     Chungnam National University, Korea

     

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▷ Senior Researcher, Korea Institute of Ceramic Engineering and Technology, Korea           

     

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▷ Postdoctoral Researcher, Departments of Bioengineering and Materials Science and Engineering,

     University of California, Berkeley, USA

  

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▷ Postdoctoral Researcher, Department of Polymer Engineering, National Institute of Advanced Industrial

     Science and Technology (AIST), Tsukuba, JAPAN

    

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