Movie S1.
Colloids (particle diameter 0.19 μm) migrating along a dead-end channel in the presence of a solute gradient (NaCl: ci = 2 mM, co = 0.02 mM). Play speed is 100×.
Size-dependent control of colloid transport via solute gradients in dead-end channels
PNAS. 2015. 113:257-261 DOI: 10.1073/pnas.1511484112