100. Soohee Kim, Hyemin Kwon, Eunji Kim, Buhyun Youn, Sungkyun Park, Kang Hyun Park “Preparation of Polymer Based Au-Fe3O4Nanoparticles and Catalytic Application for Reduction of 4-Nitrophenol” The 11th SPSJ International Polymer Conference, Fukuoka, Japan, December 13-16, 2016