Liquid handling tool having porous plunger

摘要: A robotically manipulable sample handling tool, such as a colony picking head or robotic pipetting includes needles arranged on the tool. Actuators are associated with each needle to control flow for needle. plurality of plungers needle, and movement can actuate corresponding Each has passageway that may be opened closed, e.g., move and/or draw fluid into/expel from when plunger is moved in tool body. The actuators so passageways individually controlled by controller.