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Report of
FNCA 2025 Workshop on Radiation Processing and Polymer Modification
for Agricultural, Environmental and Medical Applications
December 16 - 19, 2025
Bangkok, Thailand

The FNCA 2025 Workshop on Radiation Processing and Polymer Modification (RPPM) was held on December 16th - 19th 2025, at Avani Ratchada Bangkok Hotel, Thailand. The workshop was hosted by the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan with cooperation of Thailand Institute of Nuclear Technology (TINT). 28 representatives involved in radiation processing and polymer modification from 10 FNCA member countries attended the workshop, namely Bangladesh, China, Indonesia, Japan, Kazakhstan, Malaysia, Mongolia, The Philippines, Thailand and Vietnam.
[ Workshop ]
In the Opening Session, Dr. Kanokporn Boonsirichai, Deputy Executive Director of TINT, and Mr. NAKAJIMA Shogo, MEXT, gave welcoming remarks, and Mr. WADA Tomoaki, FNCA Adviser of Japan, expressed opening remarks. Prof. OKAZAKI Shin, FNCA RPPM Project Leader (PL) of Japan outlined FNCA RPPM Project and explained the purpose of the workshop.For the progress report on biofertilizer and polymer modification, 9 reports for the biofertilizer and 10 reports for the polymer modification were presented individually. Following the progress reports, Dr. PHUA CHOO KWAI HOE introduced the progress of guideline development on the Guideline of FNCA Biofertilizer Development and Irradiation Mutagenesis of Microorganisms. In the discussion on new research activities, 3 groups conducted discussions according to subjects, and group leaders presented on achievements, obstacles and planning. Prof. OKAZAKI gave a presentation on future plans, encouraging the following 4 points. Mr. NAKAJIMA from MEXT explained about Researchers Exchange Program, in relation to the item 3 above. Although the possibility of holding online meeting was discussed, in-person meetings was encouraged with regard to this project. Then Prof. OKAZAKI summarized the major activities and achievements of the workshop, and Mr. WADA gave closing remarks.

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[ Technical Visit ]
Technical Visit to TINT's Irradiation center at Technopolis was held on December 18th. Participants visited Electron Beam Irradiation Facility, Gamma Ray Irradiation Facility and X ray facility.
Minutes of
FNCA 2025 Workshop on Radiation Processing and Polymer Modification for Agricultural, Environmental and Medical Applications
December 16 - 19, 2025
Bangkok, Thailand
1) Outline of Workshop
| ⅰ) Date |
December 16th - 19th, 2025 |
| ⅱ) Venue |
Avani Ratchada Bangkok Hotel and Thailand Institute of Nuclear Technology (TINT) |
| ⅲ) Host Organization |
Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT) |
| iv) Cooperation |
Thailand Institute of Nuclear Technology (TINT) |
| v) Participants |
28 participants from 10 FNCA member countries: Bangladesh, China, Indonesia, Japan, Kazakhstan, Malaysia, Mongolia, The Philippines, Thailand and Vietnam. |
| vi) Programme |
Annex 1 |
2) Workshop Programme
The FNCA 2025 Workshop on Radiation Processing and Polymer Modification (RPPM) was held on December 16th - 19th 2025, at Avani Ratchada Bangkok Hotel, Thailand. The workshop was hosted by the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan with cooperation of Thailand Institute of Nuclear Technology (TINT).
The experts involved in radiation processing and polymer modification from 10 FNCA member countries attended the workshop, namely Bangladesh, China, Indonesia, Japan, Kazakhstan, Malaysia, Mongolia, the Philippines, Thailand and Vietnam. The programme of the workshop is attached in Annex 1. The list of participants is attached in Annex 2.
Open Session
Dr. Kanokporn Boonsirichai, Deputy Executive Director of TINT, and Mr. NAKAJIMA Shogo, MEXT, gave welcoming remarks, and Mr. WADA Tomoaki, FNCA Adviser of Japan, expressed opening remarks.
Prof. OKAZAKI Shin, FNCA RPPM Project Leader (PL) of Japan outlined FNCA RPPM Project and explained the purpose of the workshop.
Session 1: Progress Report on Biofertilizer
9 reports on the progress and future plan for biofertilizer research were presented.
The summary of each report is attached in Annex 3.
Session 2: Progress Report on Polymer Modification
10 reports on the progress and future plan for radiation processing and polymer modification were presented.
The summary of each report is attached in Annex 3.
Session 3: Guideline of FNCA Biofertilizer Development and Irradiation Mutagenesis of Microorganisms
Dr. PHUA CHOO KWAI HOE, Research Officer, Malaysia Nuclear Agency introduced progress of guideline development. Malaysia, Japan and Vietnam have been involved in drafting the guidelines. Japan encouraged to other country to contribute to the guideline, and to explore means to disseminate the guideline after completion, beyond the FNCA website.
Session 4: Discussion on New Research Activities
First, Dr. NAGASAWA Naotsugu gave instruction on how to conduct group discussion. Then following 3 groups conducted discussions according to subject, and group leaders presented on achievements, obstacles and planning as Annex 4.
- Group A: Agricultural Bio-stimulant
- Prof. RUIFU ZHANG, Dr. Rumella Simarmata, Dr. PHUA CHOO KWAI HOE, Ms. SUNJIDMAA Otgonbayar, Dr. Jean Louise C. Damo, Dr. Kasinee Hemvichian, Dr. Theeranan Tangthong, Dr. Thitirat Rattanawongwiboon, Ms. Pattra Lertsarawut, Dr. Dang Van PHU, Mr. Le Xuan Vinh, Prof. OKAZAKI Shin, Mr. WADA Tomoaki
- Group B: Environmental Remediation
- Dr. Salma Sultana, Dr. Hongjuan MA, Dr. Jirawat Trakulmututa, Prof. Zhanat Baigazinov, Dr. NAGASAWA Naotsugu, Dr. Farah Nurlidar
- Group C: Medical and Biological Application
- Dr. Farah Nurlidar, Ms. MAZNAH BINTI MAHMUD, Dr.Radnaabazar Chinzorig, Dr. Charito T. Aranilla, Dr. Sakchai Laksee, Mr SADYKOV ADLET ALTAEVICH, Dr. Tabassum Mumtaz, Mr. NAKAJIMA Shogo
Session 5: Future Plan
Prof. OKAZAKI gave presentation on future plan, encouraging following four points.
- More focus on the research that can be commercialized and or have social significance
- Look for funding opportunities
- Exchange of researchers and students
- Discuss on guideline/standard of Bio-stimulant
Mr. NAKAJIMA Shogo from MEXT explained about Researchers Exchange Program, in relation to the item 3 above.
Although Possibility of holding online meeting was discussed, in-person meetings was encouraged with regard to this project.
Session 6: Summary
Minutes of the workshop were discussed and agreed by all participants.
Session 7: Closing Session
Mr. WADA summarized the major activities and achievements of the workshop and gave closing remarks.
Technical Visit
Technical Visit to TINT's Irradiation center at Technopolis was held on December 18th. Participants visited Electron Beam Irradiation Facility, Gamma Ray Irradiation Facility and X ray facility.
Program of
FNCA 2025 Workshop on Radiation Processing and Polymer Modification for Agricultural, Environmental and Medical Applications Project
December 16 - 19, 2025
Bangkok, Thailand
December 16 (Tue), 2025 (Day 1)
| 09:00 - 10:00 |
Opening Session
Chair: Prof. OKAZAKI Shin, Japan
1. Welcoming Remarks
- Dr. Kanokporn Boonsirichai (Deputy Executive Director, TINT)
- Mr. NAKAJIMA Shogo, MEXT
2. Opening Remarks
- Mr.WADA Tomoaki, FNCA Advisor of Japan
3. Overview Lectures (15min. including Q&A)
- Overview and progress of FNCA activities in 2025
Mr.WADA Tomoaki, FNCA Advisor of Japan
- Outline of FNCA RPPM Project and purpose of the workshop
Prof. OKAZAKI Shin, FNCA RPPM Project Leader (PL) of Japan
4. Introduction of Participants
5. Confirmation of Agenda |
| 10:00 - 10:20 |
Group Photo and Break |
| 10:20 - 12:20 |
Session 1 Progress Report on Biofertilizer
Chair: Dr. PHUA CHOO KWAI HOE (Malaysia)
- Dr. Tabassum Mumtaz, Bangladesh
- Prof. RUIFU ZHANG, China
- Dr. Rumella Simarmata, Indonesia
- Prof. OKAZAKI Shin, Japan
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| 12:20 - 13:30 |
Lunch Break |
| 13:30 -15:00 |
Cont. of Session 1 Progress Report on Biofertilizer
Chair: Dr. Jean Louise C. Damo (The Philippines)
- Mr. SADYKOV ADLET ALTAEVICH, Kazakhstan
- Dr. PHUA CHOO KWAI HOE, Malaysia
- Ms. SUNJIDMAA Otgonbayar, Mongolia
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| 15:30 - 15:45 |
Coffee Break |
| 15:45 - 17:15 |
Cont. of Session 1 Progress Report on Biofertilizer
Chair: Dr. Tabassum Mumtaz (Bangladesh)
- Dr. Jean Louise C. Damo, The Philippines
- Mr. Le Xuan Vinh, Vietnam
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December 17 (Wed), 2025 (Day 2)
| 09:00 - 10:30 |
Session 2 Progress Report on Polymer Modification
Chair: Dr. Salma Sultana (Bangladesh)
- Dr. Salma Sultana, Bangladesh
- Dr. Hongjuan MA, China
- Dr. Farah Nurlidar , Indonesia
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| 10:30 - 10:45 |
Coffee Break |
| 10:45 - 12:15 |
Cont. of Session 2 Progress Report on Polymer Modification
Chair: Dr. Dang Van PHU (Vietnam)
- Dr. NAGASAWA Naotsugu, Japan
- Prof. Zhanat Baigazinov, Kazakhstan
- Ms. MAZNAH BINTI MAHMUD, Malaysia
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| 12:20 - 13:30 |
Lunch Break |
| 13:30 - 15:30 |
Cont. of Session 2 Progress Report on Polymer Modification
Chair: Prof. Zhanat Baigazinov (Kazakhstan)
- Dr. Radnaabazar Chinzorig, Mongolia
- Dr. Charito T. Aranilla, The Philippines
- Dr. Thitirat RATTANAWONGWIBOON,Thailand
- Dr. Dang Van PHU, Vietnam
|
| 15:30 - 15:45 |
Coffee Break |
| 15:45 - 17:00 |
Session 3 Guideline of FNCA Biofertilizer Development and Irradiation Mutagenesis of Microorganisms
Chair: Prof. RUIFU ZHANG (China)
Dr. PHUA CHOO KWAI HOE, Malaysia |
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December 18 (Thu), 2025 (Day 3)
| Morning |
Technical visit to TINT's Irradiation center at Technopolis |
| 13:30 – 15:00 |
Session 4 Discussion on New Research Activities
Chair: Dr. Hongjuan MA (China)
- Instruction for Group Discussion, Dr. NAGASAWA Naotsugu (P), Japan
- Group Discussion
- Group A: Agricultural Bio-stimulant
(Prof. RUIFU ZHANG, Dr. Rumella Simarmata, Dr. PHUA CHOO KWAI HOE, Ms. SUNJIDMAA Otgonbayar, Dr. Jean Louise C. Damo, Dr. Kasinee Hemvichian, Dr. Theeranan Tangthong, Dr. Thitirat Rattanawongwiboon, Ms. Pattra Lertsarawut, Dr. Dang Van PHU, Mr. Le Xuan Vinh, Prof. OKAZAKI Shin, Mr. WADA Tomoaki)
- Group B: Environmental Remediation
- (Dr. Salma Sultana, Dr. Hongjuan MA, Dr. Jirawat Trakulmututa, Prof. Zhanat Baigazinov, Dr. NAGASAWA Naotsugu, Dr. Farah Nurlidar)
- Group C: Medical and Biological Application
- (Dr. Farah Nurlidar, Ms. MAZNAH BINTI MAHMUD, Dr.Radnaabazar Chinzorig, Dr. Charito T. Aranilla, Dr. Sakchai Laksee, Mr SADYKOV ADLET ALTAEVICH, Dr. Tabassum Mumtaz, Mr. NAKAJIMA Shogo)
|
| 15:00 - 15:15 |
Coffee Break |
| 15:15 - 17:15 |
Cont. of Session 4 Group Discussion on New Research Activities
Chair: Dr. Radnaabazar Chinzorig (Mongolia)
- Group Discussion
- Agricultural Bio-stimulant
- Environmental Remediation
- Medical and Biological Application
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December 19 (Fri), 2025 (Day 4)
| 09:00 - 10:30 |
Cont. of Session 4 Group Discussion on New Research Activities
Chair: Dr. Farah Nurlidar (Indonesia)
- Group Discussion
- Agricultural Bio-stimulant
- Environmental Remediation
- Medical and Biological Application
|
| 10:30 - 10:45 |
Coffee Break |
| 10:45 - 12:15 |
Cont. of Session 4 Group Discussion on New Research Activities
Chair: Dr. Kasinee Hemvichian (Thailand)
- Summary of Group Discussion (Preparation for Presentation, 60 min.)
- Presentation of the result of Group Discussion (10 min. Group A,B, C)
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| 12:15 - 13:15 |
Lunch Break |
| 13:15 - 14:45 |
Session 5 Future Plan
Chair: Dr. Charito T. Aranilla (The Philippines)
- Presentation from Prof. OKAZAKI Shin
- Discussion
|
| 14:50 - 16:00 |
Session 6 Summary
Chair: Dr. Thitirat Rattanawongwiboon (Thailand)
- Wrap-up of Meeting Summary
- Adoption of Meeting Summary
|
| 16:00 - 16:15 |
Session 7 Closing
Chair: Ms. SUNJIDMAA Otgonbayar (Mongolia)
Closing Remarks by Dr. WADA Tomoaki |
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List of Participants
FNCA 2025 Workshop on Radiation Processing and Polymer Modification for Agricultural, Environmental and Medical Applications Project
December 16 - 19, 2025
Bangkok, Thailand
Bangladesh
Dr. Salma SULTANA
Chief Scientific Officer
Institute of Nuclear Science and Technology
Bangladesh Atomic Energy Commission
Dr. Tabassum Mumtaz
Chief Scientific Officer
Bangladesh Atomic Energy Commission
China
Dr. Hongjuan MA
Shanghai University
Dr. Ruifu ZHANG
Dean
Nanjing Agricultural University,
Indonesia
Dr. Farah Nurlidar (PL)
Senior Researcher
Research Center for Radiation Processing Technology,
National Research and Innovation Agency (BRIN)
Dr. Rumella Simarmata
Senior Researcher
National Research and Innovation Agency (BRIN)
Kazakhstan
Mr. SADYKOV ADLET ALTAEVICH
Head of the Production and Technology Department
JSC “Park of Nuclear Technologies”
Prof. Zhanat Baigazinov
Deputy Chairman of the Board
JSC “Park of Nuclear Technologies”
Malaysia
Ms. Maznah Binti MAHMUD
Research Officer
Malaysian Nuclear Agency
Dr. PHUA CHOO Kwai Hoe
Research Officer
Malaysian Nuclear Agency
Mongolia
Dr. Chinzorig RADNAABAZAR (PL)
Associate professor
National University of Mongolia
Ms. SUNJIDMAA Otgonbayar
Head of soil microbiology laboratory
Institute of Plant and Agricultural Science, Mongolia
The Philippines
Dr. Charito T. ARANILLA (PL)
Scientist 1 / Senior Science Research Specialist
Philippine Nuclear Research Institute
Dr. Jean Louise C. Damo
University of the Philippines Los Baños
Thailand
Dr. Kanokporn Boonsirichai
Deputy Executive Director
Thailand Institute of Nuclear Technology (Public Organization)
Dr. Kasinee HEMVICHIAN (PL)
Thailand Institute of Nuclear Technology (Public Organization)
Dr. Theeranan Tangthong
Thailand Institute of Nuclear Technology (Public Organization)
Dr. Thitirat Rattanawongwiboon
Thailand Institute of Nuclear Technology (Public Organization)
Ms. Pattra Lertsarawut
Thailand Institute of Nuclear Technology (Public Organization)
Dr. Sakchai Laksee
Thailand Institute of Nuclear Technology (Public Organization)
Dr. Jirawat Trakulmututa
Thailand Institute of Nuclear Technology (Public Organization)
Vietnam
Dr. Dang Van Phu
Deputy Head and Acting Head of R&D Department
Research and Development Center for Radiation Technology
Vietnam Atomic Energy Institute
Mr. Le Xuan Vinh
Researcher
Hanoi Irradiation Center
Vietnam Atomic Energy Institute
Japan
Mr. NAKAJIMA Shogo
Researcher
International Nuclear and Fusion Energy Affairs Division
Research and Development Bureau
Ministry of Education, Culture, Sports, Science and Technology (MEXT)
Mr. WADA Tomoaki
FNCA Advisor of Japan
Prof. OKAZAKI Shin(PL)
Professor
Department of International Environmental and Agricultural Science
Graduate School of Agriculture
Tokyo University of Agriculture and Technology
Dr. NAGASAWA Naotsugu
Section Manager
Irradiation Facilities Section
Department of Administrative Services & Senior Principal Researcher
Department of Advanced Functional Materials Research
Takasaki Institute for Advanced Quantum Science
National Institutes for Quantum Science and Technology (QST)
Ms. NAGAI Aiko
Nuclear Safety Research Association (NSRA)
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