Two views in a microfluidic Y-cell as a function of introducing a particle to the cell. One image shows the straight laser beam fefore the particle is introduced, and the second image shows the deflected laser beam at an angle

FIGURE 3-11

In a microfluidic Y-cell, a laser beam shows no deflection prior to the admission of nanoparticles into the channel (top). Once nanoparticles are introduced into the channel, the laser beam is deflected with a slope that reflects the size of the nanoparticles.

SOURCE: Qiao, 2010.

From: 3, Analysis and Imaging of Small Particles

Cover of Challenges in Characterizing Small Particles
Challenges in Characterizing Small Particles: Exploring Particles from the Nano- to Microscale: A Workshop Summary.
National Research Council (US) Chemical Sciences Roundtable.
Washington (DC): National Academies Press (US); 2012.
Copyright © 2012, National Academy of Sciences.

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