Decontamination and treatment of radioactive wastes, Technology development for immobilizing radionuclides and waste form, Geological disposal and environmental safety analysis
2017.3~present, Professor, POSTECH
2004.3~2017.2, Staff Scientist (V)/ Senior Scientist(II-IV), Pacific Northwest National Laboratory (PNNL), USA
2002.3~2004.2, Postdoctoral researcher, PNNL, USA
2001.6~2002.2, Postdoctoral researcher, Desert Research Institute (DRI), USA
1998.9~2001.5, Graduate researcher, University of Nevada, Reno (UNR), USA
Recipient of Best Research Safety Laboratory by the Ministry of Education, ROK, 2018
Recipient of 2010 PNNL Outstanding Performance Award
Recipient of the 2009 DOE Outstanding Mentor Award
Hyojoo Kim, Hongdoo Kim, Bhupendra Kumar Singh, Jonghoon Park, Juhwan Ahn, Hyung Gyu Park, and Wooyong Um, 2025, “Hydrogen isotopes (1H/2H/3H) separation in solution using graphene transferred on PTFE-reinfored Nafion”, ACS Applied Materials and Interfaces,17, 40527-40538.
Jaeeun Kang, Ina Park, Ji Hoon Shim, Duck Young Kim, and Wooyong Um, 2025, “Mechanistic insights into radium adsorption on montmorillonite: DFT and experimental studies”, Applied surface science, 703, 163406.
Seokju Hong and Wooyong Um, 2025, “Risks of nanoscale byproducts generated during the interzeolite transformation for cesium sequestration”, Chemistry of Materials, 37, 1001-1012.
John S. McCloy, Brian J. Riley, M. C. Dixon Wilkins, Jonathan Evarts, John Bussey, JohnVienna, Paul A. Bingham, Dan Gregg, Michael Ojovan, Sophie Schuller, Kazuyoshi, Uruga, Damien Perret, Elise Regnier, Isabelle Giboire, Wooyong Um, Kai Xu, Ashutosh,Goel, Albert Kruger, 2024, “International Perspectives on Glass Waste Form Development for Low and Intermediate Level Radioactive Waste”, Materials Today, 80, 594-618, https://doi.org/10.1016/j.mattod.2024.08.025
Bhupendra Kumar Singh, Nurul Syiffa Mahzan, Nur Shahidah Abdul Rashid, Samiratu Atibun Isa, Muhammad Aamir Hafeez, Sarah Saslow, Guohui Wang, and Wooyong Um, 2023, “Design and Application of Materials for Sequestration and Immobilization of 99Tc Originating from the Nuclear Waste Industry”, Environmental Science and Technology, 57, 6776-6798.