[Illinois]: Beckman Director's Seminar - Quantitative Phase Imaging
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Quantifying the optical phase shifts associated with cells gives access to information about morphology and dynamics at the nanometer scale. Scanning electron microscopy can produce quantitative images of cellular components with nanometer scale accuracy. However, this method requires heavy preparation, which prevents its applicability to live cells.
In order to obtain nanometer scale information from unperturbed live cells, we employed the principle of optical interferometry, where a probe light beam is compared (interfered) with a reference beam. Quantifying the phase difference between the imaging and the reference beams, detailed knowledge about cell motions is obtained."
-Taken from the MIT Spectroscopy Lab website. Retrieved 12-30-12 at 8:00 AM.
University of Illinois at Urbana-Champaign
"Dr. Gabriel Popescu is an Assistant Professor in the Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign and holds a full faculty appointment with the Beckman Institute for Advance Science and Technology. He is also an affiliate faculty in the Bioengineering Department. Prof. Popescu received the B.S. and M.S. in Physics from University of Bucharest, in 1995 and 1996, respectively. He obtained his M.S. in Optics in 1999 and the Ph.D. in Optics in 2002 from the School of Optics/ CREOL (now the College of Optics and Photonics), University of Central; Florida. Dr. Popescu continued his training with the G. R. Harrison Spectroscopy Laboratory at M.I.T., working as a postdoctoral associate. He joined UIUC in August 2007."
-Taken from the QLI Labs website.
Researchers should cite this work as follows:
Gabriel Popescu; William Edward Nixon; Obaid Sarvana; George Michael Daley; NanoBio Node (2012), "[Illinois]: Beckman Director's Seminar - Quantitative Phase Imaging," https://nanohub.org/resources/16007.