Electrophoresis-2005-Musyimi-3

A schematic diagram showing the top view of the chip to ball direct contact deposition: (A) sample reservoir, (B) waste reservoir, (C) buffer reservoir, (D) fluidic channel exit tip, (E) (E) ball. Panels on the right show two scanning electron micros- copy (SEM) images of (1) the brass mold insert and (2) an embossed microchip tip.