An apparatus for extracting and concentrating bioagents within a continuously flowing fluid medium includes a flow channel fluid inlet, in which bioagents are concentrated from three dimensions to a two-dimensional transport layer in a preconcentration area. A traction motor controller controls a torque output signal of the motor to effectively to dampen driveline oscillations during an ABS operation. Each electronic-ink shipping label displays graphical indicia representative of information relating to the status of the shipping container within the shipping system.