The assembly of a rotating HeLa cell/gold rod aggregate at an acoustic nodal line in xy plane.

The assembly of a rotating HeLa cell/gold rod aggregate at an acoustic nodal line in xy plane.

The assembly of a rotating HeLa cell/gold rod aggregate at an acoustic nodal line in the xy plane. The video was taken under 500X overall magnification except for 00:23 - 00:32 and 01:16 - 01:42, where a 200X overall magnification was used. 

Mallouk Lab, Penn State