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Adjunct Professor Medical Physicist


  • Radiation therapy, medical physics, multidisciplinary research


  • PhD (Solid State Physics): Clark University, Massachusetts, USA
  • Medical Physics Residency: The Joint Center for Radiotherapy, Harvard Medical School, Massachusetts, USA
  • BS (Physics): Nanking University, Nanking, China

Research Interests

  • Microbeam and spatially-fractionated radiation therapy preclinical research
  • Carbon nanotube field emission based radiation technology development
  • Early treatment outcome detection using acoustic angiography
  • Enhancement of NP drug tumor delivery using microbeam radiation
  • IMRT dose optimization and delivery
  • Recyclable compensator-IMRT solution
  • Radiotherapy treatment planning system development
  • Radiotherapy physics education

Board Certifications

  • American Board of Radiology (1996)

Academic Honors/Awards

  • Fellow of American Association of Physics in Medicine (2012)
  • Fellow of Academy of Educators of UNC School of Medicine (2011)
  • President of Southeast Chapter of American Association of Physics in Medicine (2008)

Grants (Active)

  • Center of Cancer Nanotechnology Excellence Pilot Grant (2015-2016) ($50,000.00)
    Enhance Tumor Delivery of Carrier-Mediated Agents Using Microbeam Radiation Therapy
    PI: S Chang
  • UNC Eshelman Institute for Innovation Grant (2015-2016) ($50,000.00)
    Enhancing tumor delivery of nanoparticle anticancer agents using microbeam radiation therapy
    PI: W Zamboni
    Co-PI: S Chang
  • UNC-UIH PLUNC 2.0 Development Grant (2013-2017) ($550,000.00)
    UIH is an emerging Chinese medical device company. The grant supports the collaboration between UNC and UIH to develop and commercialize a treatment planning system based on the PLUNC software used in UNC.
    PI: S. Chang

Book Chapters

  • S. Chang, Chapter 93 Compensator-based IMRT, Quality and Safety in Radiation Oncology,
    Editors T. Pawlicki, P. Dunscombe, A. Mundt, and P. Scalliet, (2010). P 565-569
  • S. Wang, O. Zhou, S. Chang, Chapter 19: Carbon-nanotube field emission electron and x-ray
    technology for medical research and clinical applications, The Oxford Handbook of Nanoscience and
    Technology, p.673-696 (2010).