* Currency conversion rate: 1000 KRW = US 1$

30. Development and Demonstration of the System for Radioactivity Measurement at the Decommissioning Site of Nuclear Power Plant, April 2023 – December 2026 (4 years), Principal Investigator, Korea Institute of Energy Technology Evaluation and Planning, US $518,000 /$11,100,000

29. User-friendly Monte Carlo dose calculation code for radiation workers and public members, April 2022 – December 2024 (3 years), Principal Investigator, Korea Foundation of Nuclear Safety, US $547,000

28. Development of exposure dose database based on radiation worker behavior, April 2022 – December 2026 (5 years), Principal Investigator, National Research Foundation, US $330,000 /$4,230,000

27. Development of 3D multi-function radiation measurement system for Korea Customs Service, July 2021 – January 2024 (4 years), Principal Investigator, National Research Foundation, US $1,000,000 /$3,500,000

26. Development of technology for clinical application of proton beam range measurement device, January 2021 – December 2023 (3 years), Principal Investigator, National Cancer Center, US $81,000

25. Development of high-performance large-area hybrid gamma imaging technology, April 2019 – December 2023 (4 years 10 months), Principal Investigator, National Research Foundation, US $550,000

24. Development of 3D imaging system for NPP concrete internal activation, May 2019 – April 2022 (3 years), Principal Investigator, Korea Institute of Energy Technology Evaluation and Planning, US $900,000

23. Development of technologies for optimum accident countermeasures and contamination imaging, March 2017 – December 2021 (4 years 10 months), Principal Investigator, National Research Foundation of Korea (through Korea Atomic Energy Research Institute), US $375,0000

22. Development of computational human models to improve accuracy of dose assessment considering exposure scenarios, April 2017- December 2021 (4 years 9 months), Principal Investigator, Korea Foundation of Nuclear Safety, US $1,500,000

21. Development of updated version of ICRP reference computational phantoms and dose calculation technique, December 2014 – September 2017 (2 years 10 months), Principal Investigator, Korea Foundation of Nuclear Safety, US $360,000

20. Development of a PMT-based large-scale Compton imaging device and its core technologies for detection of radiation contamination, August 2015 – July 2018 (3 years), National Research Foundation of Korea, US $450,000

19. Environment radioactivity survey data in Seoul, January 2016 – current (every year), Principal Investigator, Nuclear Safety and Security Commission (through Korea Institute of Nuclear Safety), US $90,000 (per year)

18. Development of in-situ PET system for RAON heavy ion beam, 1 August 2013 – 28 February 2015 (3 years), Principal Investigator, Institute for Basic Science, US $180,000 (+ materials)

17. Development of tetrahedron phantoms for ICRP Reference Male and Female and establishment of effective dose calculation system, 1 May 2012 – 30 April 2013 (1 year), Principal Investigator, Ministry of Education, Science and Technology (through Korea Institute of Nuclear Safety), US $30,000

16. Development of detector system for GEVI imaging system, 1 April 2012 – 31 March 2015 (3 years), Principal Investigator, Ministry of Education, Science and Technology (through Korea Institute of Radiological & Medical Sciences), US $134,000 (+ materials)

15. Development of prototype Compton imaging system for nuclear material surveillance and monitoring at pyroprocessing facility, 1 March 2012 – 30 February 2015 (3 years), Principal Investigator, Ministry of Education, Science and Technology (through Korea Atomic Energy Research Institute), US $108,000

14. Characteristics modeling of energy response for photon counting detector (PCD) and developing a dedicated simulator, 16 January 2012- 14 September 2012 (8 months), Samsung Advanced Institute of Technology, US $45,000

13. Development of 4D Monte Carlo simulation technology based on deformable polygon mesh human model, 1 September 2011 – 31 August 2016 (5 years), Principal Investigator, National Research Foundation of Korea, US $156,000

12. Development of a high-performance and multi-purpose Compton imaging device for 3-D detection of radioactivity, 16 July 2010 – 30 June 2013 (3 years), Principal Investigator, National Research Foundation of Korea, US $730,000

11. Measurement of high-energy prompt gammas based on 2D photo sensor and multi-channel digitizer, 16 July 2010 – 30 June 2013 (3 years), Principal Investigator, Ministry of Education, Science and Technology (through National Cancer Center), US $95,000

10. Development of in vivo proton dose imaging technology based on two-dimensional measurement of prompt gamma distribution, 1 April 2010 – 31 March 2012 (2 years), Principal Investigator, National Research Foundation of Korea, US $54,000

9. Development and characterization of a proof-of-principle double-scattering Compton camera, 1 April 2009 – 31 March 2010 (2 years), Principal Investigator, National Research Foundation of Korea, US $100,000

8. Determination of proton beam range in patient with a linear array of scintillation detectors, 1 June 2008 – 3 March 2010 (1 year 10 months), Principal Investigator, Ministry of Education, Science and Technology (through Proton Engineering Frontier Project), US $50,000

7. Determination of distal dose edge location in patient in proton therapy based on prompt-gamma measurement, 1 October 2007 – 30 September 2008 (1 year), Principal Investigator, Hanyang University, US $10,000

6. Development of Reference Korean voxel models based on color photographic slice images and determination of radiation protection quantities for Koreans, 1 March 2007 – 28 February 2012 (5 years), Principal Investigator, Ministry of Education, Science and Technology (through Korea Institute of Nuclear Safety), US $190,000

5. Accurate Monte Carlo simulation for Compton camera design and optimization, 1 June 2005 – 30 March 2011 (5 years 10 months), Principal Investigator, Ministry of Education, Science and Technology, US $425,000

4. Developing tissue/organ dose assessment technology considering domestic radiation environment, 1 March 2005 – 28 February 2007 (2 years), Principal Investigator, Ministry of Education, Science and Technology (through Korea Institute of Nuclear Safety), US $80,000

3. Organ/tissue radiation dose determination in non-uniform radiation fields for multiple dosimeter approach, 1 April 2004 – 29 February 2006 (1 year 11 months), Principal Investigator, Ministry of Education, Science and Technology (through Korea Institute of Nuclear Safety), US $80,000

2. Study on radiological characteristics of radiation detectors based on Monte Carlo simulation, 1 October 2003 – 30 September 2004 (1 year), Principal Investigator, Hanyang University, $3,000

1. Development of effective dose measurement system, 1 September 2003 – 28 February 2009 (5 years 6 months), Principal Investigator, Ministry of Education, Science and Technology (through Engineering Research Center – Innovative Technology Center for Radiation Safety), US $165,000