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Monday, January 01, 2007

Eye on Cells

New cell imaging technology could give researchers an insight into complicated diseases

By Jennifer Chu

Quantitative phase imaging can depict red blood cells (shown above) with 0.2-nanometer resolution.
Credit: Courtesy of Gabriel Popescu

In physicist Michael Feld's MIT lab, researchers watch red blood cells vibrating and undulating in real time, thanks to a technology known as quantitative phase imaging. The technology splits a light wave in two, passes one wave through a cell, and then recombines it with the other wave.

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