Comparing Right-side-up and Upside-down Cellular Uptakes (IMAGE)

Washington University in St. Louis

Comparing Right-side-up and Upside-down Cellular Uptakes

Caption

The experiments in Xia's lab compared the usual experimental setup (top) to an upside-down setup (bottom). Nanoparticle uptake in the two setups differs only if the ratio of the forces driving sedimentation (S) to those driving diffusion (D) are different. In the situation shown here the upright cells have taken up more nanoparticles than the upside-down ones because there is sedimentation.

Credit

Younan Xia/WUSTL

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