To connect students with the forefront of global science at an early stage of their academic careers, the Aerosol Science Research Center (ASRC) at National Sun Yat-sen University (NSYSU), led by Director Professor Chia C. Wang, brought postdoctoral researchers and graduate students to the SLAC National Accelerator Laboratory in the United States for hands-on experimental research. The program also included academic visits to Lawrence Berkeley National Laboratory, the University of California, Berkeley, and Stanford University—three of the world's leading research institutions. Students operated world-leading ultrafast electron diffraction facilities, participated in photochemical studies of key aerosol-related molecules, and engaged in face-to-face discussions with internationally renowned scientists, strengthening their experimental skills, scientific thinking, and global perspective.
Aerosols are closely linked to air quality, profoundly affecting human health while also playing a critical role in climate change and ecosystem dynamics. The ASRC at NSYSU is the only research center in Asia dedicated exclusively to aerosol science. Supported by the Ministry of Education's Higher Education Sprout Project, the center has long been committed to international collaboration and talent development, extending learning beyond the classroom into the world's leading scientific environments.
At SLAC National Accelerator Laboratory, the team conducted a week-long bilateral experiment in collaboration with researcher Ming-Fu Lin's group. Using the world-leading MeV ultrafast electron diffraction (MeV-UED) facility, they investigated the photochemical reactions of key atmospheric organic molecules, including alpha- and beta-pinene. These compounds are closely associated with natural odor sources and serve as important precursors in aerosol formation. Through ultrafast dynamics techniques, researchers were able to capture molecular transformations on extremely short timescales, providing deeper insights into aerosol formation mechanisms and their links to climate change.
For the students, this experience marked an intensive learning journey from theory to practice. Master's student Xue-Qing Liu noted that hands-on operation and real-time observation made previously abstract molecular dynamics tangible, leading to clear advances in both theoretical understanding and experimental techniques. Postdoctoral researcher Zhi-Hong Huang added that conducting experiments at world-class facilities and engaging in in-depth discussions with leading scientists enhanced research capabilities while broadening perspectives on scientific inquiry.
Following the experimental phase, the team continued to deepen academic exchanges. At Stanford University, they explored applications of machine learning in atmospheric and environmental research, gaining insights into how artificial intelligence supports aerosol science and air quality analysis. At the University of California, Berkeley, they learned advanced flat liquid jet photoelectron spectroscopy techniques from U.S. National Academy of Sciences member Professor Daniel Neumark. The team also visited Lawrence Berkeley National Laboratory, where they exchanged ideas with senior scientists Musa Ahmed and Oliver Gessner, toured advanced light source facilities, and examined how synchrotron radiation techniques can probe the microscopic properties of aerosols and connect them to global climate issues.
Beyond academic growth, students also built confidence in a cross-cultural environment. Master's student Zhi-Yan Wu, visiting the United States for the first time, admitted that he initially worried about his language ability. With support from the host team, he integrated smoothly and found inspiration through interactions with leading scientists. "I not only learned how to conduct research, but also how to think and communicate in an international context," he said.
"Providing students with direct access to world-class research environments is one of the most effective ways to cultivate talent," emphasized Professor Wang. Through collaboration with leading global institutions, students strengthen both experimental capabilities and international teamwork experience, while developing a broader vision early in their academic journeys—understanding how science connects from molecular-level mechanisms to global environmental challenges, and building a solid foundation for future engagement in international research.
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Media Coverage
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