A recent article in the St. Louis Post-Dispatch examines research from Hong Chen, assistant professor of biomedical engineering at Washington University’s McKelvey School of Engineering and assistant professor of radiation oncology at the School of Medicine.

Chen, an ultrasound innovator, uses the technology paired with microscopic bubbles to briefly open the blood-brain barrier. While it’s still being tested, it’s hoped that the method can someday diagnose brain cancer patients without invasive procedures or surgeries.

Read more about Chen’s lab and doctoral candidate Christopher Pacia.