Colloquium: Leilei Peng

    Thursday, October 26, 2017 - 3:30pm - 5:00pm
    Meinel 307

    Shedding light on 3D living systems


    Fluorescence microscopy allows targeted observation of structures and molecular processes in living systems. It provides essential information for understanding how biological systems function.  3D imaging the dynamics of a living system is challenging due to tissue scattering, a limited number of photons available and risks of photo-toxicity and damage. These challenges call for new microscopic methods that are more efficient on photon collection, can penetrate deeper into biological tissue and require less illumination intensity. Fluorescence optical projection tomography and light-sheet imaging has emerged as two powerful 3D imaging mode for biological systems. This presentation will review both imaging modes and discuss our advancements in developing new techniques for deep tissue imaging.

    Speaker Bio(s): 

    Leilei Peng, PhD is Associate Professor of Optical Sciences at the University of Arizona. She received her PhD in physics from Purdue University in 2005 and her postdoctoral training in Wellman Center for Photomedicine, Harvard Medical School and Massachusetts General Hospital from 2005 to 2009. Since joining OSC, her research has been focused on developing new microscopic techniques for biomedical research, including fluorescence lifetime imaging, superresolution imaging, and deep tissue imaging. Her research group maintains close collaborations with research groups in system biology, developmental biology, genetics and neuroscience. Through these collaborations, she works on applying unique advanced imaging techniques in solving questions remaining in the biomedical research field.