Core Viewpoint - The successful clinical application of the first domestic Boron Neutron Capture Therapy (BNCT) device in Dongguan marks a significant advancement in nuclear medicine, driven by the efforts of Chen Hesheng and his team at the China Spallation Neutron Source [1][6] Group 1: Project Development and Achievements - The BNCT project, derived from the core technology of the China Spallation Neutron Source, has completed its first full-process treatment for a recurrent nasopharyngeal cancer patient [1] - The China Spallation Neutron Source is recognized as the first in China and the fourth in the world, serving as a "super microscope" for exploring the microscopic world [1][2] - The project has received significant funding, with over 1 billion yuan invested by Guangdong and Hong Kong to enhance its capabilities, increasing the number of experimental terminals from 3 to 11 [3][6] Group 2: Technical Innovations and Applications - BNCT utilizes nuclear reactions between neutrons and boron elements in tumors to destroy cancer cells, representing a targeted, dual approach to treatment [4][5] - The development of high-flux, miniaturized neutron sources through the China Spallation Neutron Source has addressed challenges associated with traditional nuclear reactors, making BNCT more accessible [5][6] - The RFQ-BNCT system, developed with independent intellectual property rights, integrates key technologies for precise positioning and controlled dosage, enhancing treatment efficiency [6] Group 3: Future Prospects and Expansion - The second phase of the China Spallation Neutron Source project has been approved, aiming to increase neutron spectrometers and experimental terminals, with completion expected by fall 2029 [7] - There is a vision to establish a cluster of large scientific devices in the Guangdong-Hong Kong-Macao Greater Bay Area, promoting deeper technological collaboration [7]

Core Viewpoint - The article highlights the contributions of Chen Hesheng, a prominent particle physicist in China, who has been instrumental in developing major scientific infrastructure, particularly in the field of cancer treatment using neutron capture therapy [1][3][19]. Group 1: Contributions to Cancer Treatment - Chen Hesheng has pioneered the use of boron neutron capture therapy, which is a new method for treating tumors that is more convenient and cost-effective for patients [3][5]. - The Chinese Spallation Neutron Source, under Chen's leadership, is recognized for its potential in cancer treatment, emphasizing the integration of scientific research and medical applications [3][15]. Group 2: Development of Scientific Infrastructure - The Chinese Spallation Neutron Source is the first of its kind in China and the fourth in the world, serving as a "super microscope" for exploring the microscopic world [15]. - This facility has completed over 2,000 experimental projects and has more than 8,000 registered users, providing critical support for national strategic needs and fundamental research [15][19]. Group 3: Personal Journey and Legacy - Chen Hesheng's journey began in 1978 when he first engaged with particle physics, leading to significant advancements in China's high-energy physics capabilities [11][19]. - Despite being nearly 80 years old, Chen continues to work actively in the field, mentoring young researchers and contributing to ongoing projects, viewing the Spallation Neutron Source as his new home [23][24].